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authorStephen Caudle2011-10-31 00:16:37 -0400
committerStephen Caudle2011-10-31 00:16:37 -0400
commit580d25a84baaa160b0afdc096e9aa1e8ca1c2d2b (patch)
treed3df10cb7a99745eafabe15a0ec286dc9923b4e8 /examples/stm32/f1/other
parent68d2e0d1e3c587e18eef6a6ef9c40b3549b2f9e7 (diff)
Move STM32 example projects in family specific folders
Diffstat (limited to 'examples/stm32/f1/other')
-rw-r--r--examples/stm32/f1/other/adc_temperature_sensor/Makefile23
-rw-r--r--examples/stm32/f1/other/adc_temperature_sensor/README10
-rw-r--r--examples/stm32/f1/other/adc_temperature_sensor/adc.c155
-rw-r--r--examples/stm32/f1/other/adc_temperature_sensor/adc.ld31
-rw-r--r--examples/stm32/f1/other/dma_mem2mem/Makefile23
-rw-r--r--examples/stm32/f1/other/dma_mem2mem/README11
-rw-r--r--examples/stm32/f1/other/dma_mem2mem/dma.c133
-rw-r--r--examples/stm32/f1/other/dma_mem2mem/dma.ld31
-rw-r--r--examples/stm32/f1/other/dogm128/Makefile25
-rw-r--r--examples/stm32/f1/other/dogm128/README7
-rw-r--r--examples/stm32/f1/other/dogm128/dogm128.c291
-rw-r--r--examples/stm32/f1/other/dogm128/dogm128.h86
-rw-r--r--examples/stm32/f1/other/dogm128/main.c110
-rw-r--r--examples/stm32/f1/other/dogm128/main.ld31
-rw-r--r--examples/stm32/f1/other/i2c_stts75_sensor/Makefile25
-rw-r--r--examples/stm32/f1/other/i2c_stts75_sensor/README13
-rw-r--r--examples/stm32/f1/other/i2c_stts75_sensor/i2c_stts75_sensor.c146
-rw-r--r--examples/stm32/f1/other/i2c_stts75_sensor/i2c_stts75_sensor.ld31
-rw-r--r--examples/stm32/f1/other/i2c_stts75_sensor/stts75.c186
-rw-r--r--examples/stm32/f1/other/i2c_stts75_sensor/stts75.h39
-rw-r--r--examples/stm32/f1/other/rtc/Makefile23
-rw-r--r--examples/stm32/f1/other/rtc/README6
-rw-r--r--examples/stm32/f1/other/rtc/rtc.c116
-rw-r--r--examples/stm32/f1/other/rtc/rtc.ld31
-rw-r--r--examples/stm32/f1/other/systick/Makefile23
-rw-r--r--examples/stm32/f1/other/systick/README7
-rw-r--r--examples/stm32/f1/other/systick/systick.c75
-rw-r--r--examples/stm32/f1/other/systick/systick.ld31
-rw-r--r--examples/stm32/f1/other/timer_interrupt/Makefile23
-rw-r--r--examples/stm32/f1/other/timer_interrupt/README7
-rw-r--r--examples/stm32/f1/other/timer_interrupt/timer.c85
-rw-r--r--examples/stm32/f1/other/timer_interrupt/timer.ld31
-rw-r--r--examples/stm32/f1/other/usb_cdcacm/Makefile23
-rw-r--r--examples/stm32/f1/other/usb_cdcacm/README7
-rw-r--r--examples/stm32/f1/other/usb_cdcacm/cdcacm.c245
-rw-r--r--examples/stm32/f1/other/usb_cdcacm/cdcacm.ld29
-rw-r--r--examples/stm32/f1/other/usb_dfu/Makefile23
-rw-r--r--examples/stm32/f1/other/usb_dfu/README7
-rw-r--r--examples/stm32/f1/other/usb_dfu/usbdfu.c270
-rw-r--r--examples/stm32/f1/other/usb_dfu/usbdfu.ld29
-rw-r--r--examples/stm32/f1/other/usb_hid/Makefile23
-rw-r--r--examples/stm32/f1/other/usb_hid/README7
-rw-r--r--examples/stm32/f1/other/usb_hid/usbhid.c272
-rw-r--r--examples/stm32/f1/other/usb_hid/usbhid.ld29
44 files changed, 2829 insertions, 0 deletions
diff --git a/examples/stm32/f1/other/adc_temperature_sensor/Makefile b/examples/stm32/f1/other/adc_temperature_sensor/Makefile
new file mode 100644
index 0000000..f3f65c4
--- /dev/null
+++ b/examples/stm32/f1/other/adc_temperature_sensor/Makefile
@@ -0,0 +1,23 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+
+BINARY = adc
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/other/adc_temperature_sensor/README b/examples/stm32/f1/other/adc_temperature_sensor/README
new file mode 100644
index 0000000..aa00ef0
--- /dev/null
+++ b/examples/stm32/f1/other/adc_temperature_sensor/README
@@ -0,0 +1,10 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This example program sends some characters on USART1.
+Afterwards it read out the internal temperature sensor of the STM32 and
+sends the value read out from the ADC to the USART1.
+
+The terminal settings for the receiving device/PC are 115200 8n1.
+
diff --git a/examples/stm32/f1/other/adc_temperature_sensor/adc.c b/examples/stm32/f1/other/adc_temperature_sensor/adc.c
new file mode 100644
index 0000000..a87909c
--- /dev/null
+++ b/examples/stm32/f1/other/adc_temperature_sensor/adc.c
@@ -0,0 +1,155 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/f1/flash.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/stm32/f1/adc.h>
+#include <libopencm3/stm32/usart.h>
+
+void usart_setup(void)
+{
+ /* Enable clocks for GPIO port A (for GPIO_USART1_TX) and USART1. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_USART1EN);
+
+ /* Setup GPIO pin GPIO_USART1_TX/GPIO9 on GPIO port A for transmit. */
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART1_TX);
+
+ /* Setup UART parameters. */
+ usart_set_baudrate(USART1, 115200, rcc_ppre2_frequency);
+ usart_set_databits(USART1, 8);
+ usart_set_stopbits(USART1, USART_STOPBITS_1);
+ usart_set_mode(USART1, USART_MODE_TX_RX);
+ usart_set_parity(USART1, USART_PARITY_NONE);
+ usart_set_flow_control(USART1, USART_FLOWCONTROL_NONE);
+
+ /* Finally enable the USART. */
+ usart_enable(USART1);
+}
+
+void gpio_setup(void)
+{
+ /* Enable GPIOB clock. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
+
+ /* Set GPIO6/7 (in GPIO port B) to 'output push-pull' for the LEDs. */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO6);
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO7);
+}
+
+void adc_setup(void)
+{
+ int i;
+
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_ADC1EN);
+
+ /* Make shure it doesn't run during config. */
+ adc_off(ADC1);
+
+ /* We configure everything for one single conversion. */
+ adc_disable_scan_mode(ADC1);
+ adc_set_single_conversion_mode(ADC1);
+ adc_enable_discontinous_mode_regular(ADC1);
+ adc_disable_external_trigger_regular(ADC1);
+ adc_set_right_aligned(ADC1);
+ /* We want to read the temperature sensor, so we have to enable it. */
+ adc_enable_temperature_sensor(ADC1);
+ adc_set_conversion_time_on_all_channels(ADC1, ADC_SMPR_SMP_28DOT5CYC);
+
+ adc_on(ADC1);
+
+ /* Wait for ADC starting up. */
+ for (i = 0; i < 800000; i++) /* Wait a bit. */
+ __asm__("nop");
+
+ adc_reset_calibration(ADC1);
+ adc_calibration(ADC1);
+}
+
+void my_usart_print_int(u32 usart, int value)
+{
+ s8 i;
+ u8 nr_digits = 0;
+ char buffer[25];
+
+ if (value < 0) {
+ usart_send(usart, '-');
+ value = value * -1;
+ }
+
+ while (value > 0) {
+ buffer[nr_digits++] = "0123456789"[value % 10];
+ value /= 10;
+ }
+
+ for (i = nr_digits; i >= 0; i--)
+ usart_send(usart, buffer[i]);
+}
+
+int main(void)
+{
+ u8 channel_array[16];
+ u16 temperature;
+
+ rcc_clock_setup_in_hse_16mhz_out_72mhz();
+ gpio_setup();
+ usart_setup();
+ adc_setup();
+
+ gpio_clear(GPIOB, GPIO7); /* LED1 on */
+ gpio_set(GPIOB, GPIO6); /* LED2 off */
+
+ /* Send a message on USART1. */
+ usart_send(USART1, 's');
+ usart_send(USART1, 't');
+ usart_send(USART1, 'm');
+ usart_send(USART1, '\r');
+ usart_send(USART1, '\n');
+
+ /* Select the channel we want to convert. 16=temperature_sensor. */
+ channel_array[0] = 16;
+ adc_set_regular_sequence(ADC1, 1, channel_array);
+
+ /*
+ * If the ADC_CR2_ON bit is already set -> setting it another time
+ * starts the conversion.
+ */
+ adc_on(ADC1);
+
+ /* Wait for end of conversion. */
+ while (!(ADC_SR(ADC1) & ADC_SR_EOC));
+
+ temperature = ADC_DR(ADC1);
+
+ /*
+ * That's actually not the real temperature - you have to compute it
+ * as described in the datasheet.
+ */
+ my_usart_print_int(USART1, temperature);
+
+ gpio_clear(GPIOB, GPIO6); /* LED2 on */
+
+ while(1); /* Halt. */
+
+ return 0;
+}
diff --git a/examples/stm32/f1/other/adc_temperature_sensor/adc.ld b/examples/stm32/f1/other/adc_temperature_sensor/adc.ld
new file mode 100644
index 0000000..4f609a8
--- /dev/null
+++ b/examples/stm32/f1/other/adc_temperature_sensor/adc.ld
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Linker script for an STM32F103RBT6 board (128K flash, 20K RAM). */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+}
+
+/* Include the common ld script. */
+INCLUDE libopencm3_stm32f1.ld
+
diff --git a/examples/stm32/f1/other/dma_mem2mem/Makefile b/examples/stm32/f1/other/dma_mem2mem/Makefile
new file mode 100644
index 0000000..c43650d
--- /dev/null
+++ b/examples/stm32/f1/other/dma_mem2mem/Makefile
@@ -0,0 +1,23 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+
+BINARY = dma
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/other/dma_mem2mem/README b/examples/stm32/f1/other/dma_mem2mem/README
new file mode 100644
index 0000000..2e61e5a
--- /dev/null
+++ b/examples/stm32/f1/other/dma_mem2mem/README
@@ -0,0 +1,11 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This program demonstrates a little DMA MEM2MEM transfer. A string is send out
+to USART1 and afterwards copied by DMA to another memory location. To check
+if the transfer was successful we send the destination string also out to
+USART1.
+
+The terminal settings for the receiving device/PC are 115200 8n1.
+
diff --git a/examples/stm32/f1/other/dma_mem2mem/dma.c b/examples/stm32/f1/other/dma_mem2mem/dma.c
new file mode 100644
index 0000000..0389412
--- /dev/null
+++ b/examples/stm32/f1/other/dma_mem2mem/dma.c
@@ -0,0 +1,133 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/f1/flash.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/stm32/f1/dma.h>
+#include <libopencm3/stm32/usart.h>
+
+void usart_setup(void)
+{
+ /* Enable clocks for GPIO port A (for GPIO_USART1_TX) and USART1. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_USART1EN);
+
+ /* Setup GPIO pin GPIO_USART1_TX/GPIO9 on GPIO port A for transmit. */
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART1_TX);
+
+ /* Setup UART parameters. */
+ usart_set_baudrate(USART1, 115200, rcc_ppre2_frequency);
+ usart_set_databits(USART1, 8);
+ usart_set_stopbits(USART1, USART_STOPBITS_1);
+ usart_set_mode(USART1, USART_MODE_TX_RX);
+ usart_set_parity(USART1, USART_PARITY_NONE);
+ usart_set_flow_control(USART1, USART_FLOWCONTROL_NONE);
+
+ /* Finally enable the USART. */
+ usart_enable(USART1);
+}
+
+void gpio_setup(void)
+{
+ /* Enable GPIOB clock. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
+
+ /* Set GPIO6/7 (in GPIO port B) to 'output push-pull' for the LEDs. */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO6);
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO7);
+}
+
+void my_usart_print_string(u32 usart, char * s)
+{
+ while (*s != 0) {
+ usart_send(usart, *s);
+ s++;
+ }
+}
+
+int main(void)
+{
+ /* Exactly 20 bytes including '0' at the end.
+ We want to transfer 32bit * 5 so it should fit */
+ char s1[20] = "Hello STM MEM2MEM\r\n";
+ char s2[20];
+
+ rcc_clock_setup_in_hse_16mhz_out_72mhz();
+ gpio_setup();
+ usart_setup();
+
+ gpio_clear(GPIOB, GPIO7); /* LED1 on */
+ gpio_set(GPIOB, GPIO6); /* LED2 off */
+
+ my_usart_print_string(USART1, "s1 ");
+ my_usart_print_string(USART1, s1);
+
+ rcc_peripheral_enable_clock(&RCC_AHBENR, RCC_AHBENR_DMA1EN);
+
+ /* MEM2MEM mode for channel 1. */
+ dma_enable_mem2mem_mode(DMA1, DMA_CHANNEL1);
+
+ /* Highest priority. */
+ dma_set_priority(DMA1, DMA_CHANNEL1, DMA_CCR1_PL_VERY_HIGH);
+
+ /* 32Bit wide transfer for source and destination. */
+ dma_set_memory_size(DMA1, DMA_CHANNEL1, DMA_CCR1_MSIZE_32BIT);
+ dma_set_peripheral_size(DMA1, DMA_CHANNEL1, DMA_CCR1_PSIZE_32BIT);
+
+ /* After each 32Bit we have to increase the addres because we use RAM. */
+ dma_enable_memory_increment_mode(DMA1, DMA_CHANNEL1);
+ dma_enable_peripheral_increment_mode(DMA1, DMA_CHANNEL1);
+
+ /* We define the source as peripheral. */
+ dma_set_read_from_peripheral(DMA1, DMA_CHANNEL1);
+
+ /* We want to transfer string s1. */
+ dma_set_peripheral_address(DMA1, DMA_CHANNEL1, (u32) &s1);
+
+ /* Destination should be string s2. */
+ dma_set_memory_address(DMA1, DMA_CHANNEL1, (u32) &s2);
+
+ /* Set number of DATA to transfer.
+ Remember that this means not necessary bytes but MSIZE or PSIZE
+ depending from your source device. */
+ dma_set_number_of_data(DMA1, DMA_CHANNEL1, 5);
+
+ /* Start DMA transfer. */
+ dma_enable_channel(DMA1, DMA_CHANNEL1);
+
+ /* TODO: write a function to get the interrupt flags. */
+ while(!(DMA_ISR(DMA1) & 0x0000001))
+ {
+ }
+
+ dma_disable_channel(DMA1, DMA_CHANNEL1);
+
+ /* String s1 should now already be transferred to s2. */
+ my_usart_print_string(USART1, "s2 ");
+ my_usart_print_string(USART1, s2);
+
+ gpio_clear(GPIOB, GPIO6); /* LED2 on */
+ while(1); /* Halt. */
+
+ return 0;
+}
diff --git a/examples/stm32/f1/other/dma_mem2mem/dma.ld b/examples/stm32/f1/other/dma_mem2mem/dma.ld
new file mode 100644
index 0000000..4f609a8
--- /dev/null
+++ b/examples/stm32/f1/other/dma_mem2mem/dma.ld
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Linker script for an STM32F103RBT6 board (128K flash, 20K RAM). */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+}
+
+/* Include the common ld script. */
+INCLUDE libopencm3_stm32f1.ld
+
diff --git a/examples/stm32/f1/other/dogm128/Makefile b/examples/stm32/f1/other/dogm128/Makefile
new file mode 100644
index 0000000..97a012e
--- /dev/null
+++ b/examples/stm32/f1/other/dogm128/Makefile
@@ -0,0 +1,25 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+
+BINARY = main
+
+OBJS = dogm128.o
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/other/dogm128/README b/examples/stm32/f1/other/dogm128/README
new file mode 100644
index 0000000..dbf82a0
--- /dev/null
+++ b/examples/stm32/f1/other/dogm128/README
@@ -0,0 +1,7 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This example program writes some text on an DOGM128 LCD display connected
+to SPI2.
+
diff --git a/examples/stm32/f1/other/dogm128/dogm128.c b/examples/stm32/f1/other/dogm128/dogm128.c
new file mode 100644
index 0000000..c78a275
--- /dev/null
+++ b/examples/stm32/f1/other/dogm128/dogm128.c
@@ -0,0 +1,291 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "./dogm128.h"
+
+u8 dogm128_ram[1024];
+u8 dogm128_cursor_x;
+u8 dogm128_cursor_y;
+
+void dogm128_send_command(u8 command)
+{
+ u32 counter;
+
+ gpio_clear(DOGM128_A0_PORT, DOGM128_A0_PIN); /* A0 low for commands */
+ spi_send(DOGM128_SPI, command);
+
+ for (counter = 0; counter<=500; counter++) /* wait */
+ {}
+}
+
+void dogm128_send_data(u8 data)
+{
+ u32 counter;
+
+ gpio_set(DOGM128_A0_PORT, DOGM128_A0_PIN); /* A0 high for data */
+ spi_send(DOGM128_SPI, data);
+
+ for (counter = 0; counter<=500; counter++) /* wait */
+ {}
+}
+
+void dogm128_init()
+{
+ u32 counter;
+
+ /* reset the display */
+ gpio_clear(DOGM128_RESET_PORT, DOGM128_RESET_PIN); /* reset low for dogm128 */
+ for (counter = 0; counter<=60000; counter++) /* wait */
+ {}
+ gpio_set(DOGM128_RESET_PORT, DOGM128_RESET_PIN); /* reset high for dogm128 */
+
+ for (counter = 0; counter<=60000; counter++) /* wait */
+ {}
+
+ gpio_clear(DOGM128_A0_PORT, DOGM128_A0_PIN); /* A0 low for init */
+
+ /* tell the display that we want to start */
+ spi_set_nss_low(DOGM128_SPI);
+
+ /* init sequence */
+ dogm128_send_command(DOGM128_DISPLAY_START_ADDRESS_BASE + 0);
+ dogm128_send_command(DOGM128_ADC_REVERSE);
+ dogm128_send_command(DOGM128_COM_OUTPUT_SCAN_NORMAL);
+ dogm128_send_command(DOGM128_DISPLAY_NORMAL);
+ dogm128_send_command(DOGM128_BIAS_19);
+ dogm128_send_command(DOGM128_POWER_CONTROL_BASE + 0x07);
+ dogm128_send_command(DOGM128_BOOSTER_RATIO_SET);
+ dogm128_send_command(0x00); /* Booster x4 */
+ dogm128_send_command(DOGM128_V0_OUTPUT_RESISTOR_BASE + 0x07);
+ dogm128_send_command(DOGM128_ELECTRONIC_VOLUME_MODE_SET);
+ dogm128_send_command(0x16); /* Contrast */
+ dogm128_send_command(DOGM128_STATIC_INDICATOR_OFF);
+ dogm128_send_command(0x00); /* Flashing OFF */
+ dogm128_send_command(DOGM128_DISPLAY_ON);
+
+ /* end transfer */
+ spi_set_nss_high(DOGM128_SPI);
+}
+
+void dogm128_print_char(u8 data)
+{
+ u8 i;
+ u8 page;
+ u8 shift;
+ u8 xcoord;
+ u8 ycoord;
+
+ xcoord = dogm128_cursor_x;
+ ycoord = dogm128_cursor_y;
+
+ page = (63 - ycoord) / 8; /* the display consists of 8 lines a 8 dots each. */
+ shift = (7 -((63 - ycoord) % 8)); /* vertical shift */
+
+ /* font is 8x5 so iterate each column of the character */
+ for (i = 0; i <= 5; i++) {
+ /* right border reached? */
+ if ((xcoord + i) > 127)
+ return;
+ dogm128_cursor_x++;
+
+ /* 0xAA = end of character - no dots in this line */
+ if (dogm128_font[data - 0x20][i] == 0xAA) {
+ dogm128_ram[(page * 128) + xcoord + i] &= ~(0xFF >> shift); /* clear area */
+ if ((shift > 0) && (page > 0))
+ dogm128_ram[((page - 1) * 128) + xcoord + i] &= ~(0xFF << (8 - shift)); /* clear area */
+ return;
+ }
+
+ /* lower part */
+ dogm128_ram[(page * 128) + xcoord + i] &= ~(0xFF >> shift); /* clear area */
+ dogm128_ram[(page * 128) + xcoord + i] = (dogm128_font[data - 0x20][i] >> shift);
+ /* higher part if needed */
+ if ((shift > 0) && (page > 0)) {
+ dogm128_ram[((page - 1) * 128) + xcoord + i] &= ~(0xFF << (8 - shift)); /* clear area */
+ dogm128_ram[((page - 1) * 128) + xcoord + i] = (dogm128_font[data - 0x20][i] << (8 - shift));
+ }
+ }
+}
+
+void dogm128_set_cursor(u8 xcoord, u8 ycoord)
+{
+ dogm128_cursor_x = xcoord;
+ dogm128_cursor_y = ycoord;
+}
+
+void dogm128_print_string(char * s)
+{
+ while (*s != 0) {
+ dogm128_print_char(*s);
+ s++;
+ }
+}
+
+void dogm128_set_dot(u8 xcoord, u8 ycoord)
+{
+ dogm128_ram[(((63 - ycoord) / 8) * 128) + xcoord] |= (1 << ((63 - ycoord) % 8));
+}
+
+void dogm128_clear_dot(u8 xcoord, u8 ycoord)
+{
+ dogm128_ram[(((63 - ycoord) / 8) * 128) + xcoord] &= ~(1 << ((63 - ycoord) % 8));
+}
+
+void dogm128_update_display()
+{
+ u8 page;
+ u8 column;
+
+ /* tell the display that we want to start */
+ spi_set_nss_low(DOGM128_SPI);
+
+ for (page = 0; page <= 7; page++) {
+ dogm128_send_command(0xB0 + page); /* set page */
+ dogm128_send_command(0x10); /* set column upper address to 0 */
+ dogm128_send_command(0x00); /* set column lower address to 0 */
+
+ for (column = 0; column <= 127; column++) {
+ dogm128_send_data(dogm128_ram[(page * 128) + column]);
+ }
+ }
+
+ spi_set_nss_high(DOGM128_SPI);
+}
+
+void dogm128_clear()
+{
+ u16 i;
+
+ for (i = 0; i<=1023; i++) {
+ dogm128_ram[i] = 0;
+ }
+ dogm128_update_display();
+}
+
+/* This is a non-monospace font definition (upside down for better handling).
+ * 0xAA is the end of the character so its not space efficient in your memory, but on your display.
+ * We are starting with " " as the first printable character at 0x20, so we have to substract 0x20 later.
+ * Its the only defined to 127/0x7F so if you have german umlauts or other special characters from above
+ * you have to expand this definition a little bit. */
+
+const u8 dogm128_font[96][6] = {
+
+ /* 20 SPACE */ {0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA},
+ /* 21 ! */ {0x5E, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 22 " */ {0x66, 0x00, 0x66, 0xAA, 0xAA, 0xAA},
+ /* 23 # */ {0x28, 0x7C, 0x28, 0x7C, 0x28, 0xAA},
+ /* 24 $ */ {0x24, 0x2A, 0x7F, 0x2A, 0x10, 0xAA},
+ /* 25 % */ {0x62, 0x18, 0x46, 0xAA, 0xAA, 0xAA},
+ /* 26 & */ {0x30, 0x4C, 0x5A, 0x24, 0x50, 0xAA},
+ /* 27 ' */ {0x06, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 28 ( */ {0x3E, 0x41, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 29 ) */ {0x41, 0x3E, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 2A * */ {0x28, 0x10, 0x7C, 0x10, 0x28, 0xAA},
+ /* 2B + */ {0x10, 0x38, 0x10, 0xAA, 0xAA, 0xAA},
+ /* 2C , */ {0xC0, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 2D - */ {0x10, 0x10, 0x10, 0xAA, 0xAA, 0xAA},
+ /* 2E . */ {0x40, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 2F / */ {0x60, 0x18, 0x06, 0xAA, 0xAA, 0xAA},
+
+ /* 30 0 */ {0x3C, 0x42, 0x42, 0x3C, 0xAA, 0xAA},
+ /* 31 1 */ {0x44, 0x7E, 0x40, 0xAA, 0xAA, 0xAA},
+ /* 32 2 */ {0x44, 0x62, 0x52, 0x4C, 0xAA, 0xAA},
+ /* 33 3 */ {0x4A, 0x4A, 0x34, 0xAA, 0xAA, 0xAA},
+ /* 34 4 */ {0x1E, 0x10, 0x78, 0x10, 0xAA, 0xAA},
+ /* 35 5 */ {0x4E, 0x4A, 0x32, 0xAA, 0xAA, 0xAA},
+ /* 36 6 */ {0x3C, 0x4A, 0x4A, 0x30, 0xAA, 0xAA},
+ /* 37 7 */ {0x62, 0x12, 0x0E, 0xAA, 0xAA, 0xAA},
+ /* 38 8 */ {0x34, 0x4A, 0x4A, 0x34, 0xAA, 0xAA},
+ /* 39 9 */ {0x0C, 0x52, 0x52, 0x3C, 0xAA, 0xAA},
+ /* 3A : */ {0x28, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 3B ; */ {0xC8, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 3C < */ {0x10, 0x28, 0x44, 0xAA, 0xAA, 0xAA},
+ /* 3D = */ {0x28, 0x28, 0x28, 0xAA, 0xAA, 0xAA},
+ /* 3E > */ {0x44, 0x28, 0x10, 0xAA, 0xAA, 0xAA},
+ /* 3F ? */ {0x02, 0x52, 0x0C, 0xAA, 0xAA, 0xAA},
+
+ /* 40 @ */ {0x3C, 0x42, 0x12, 0x2A, 0x3C, 0xAA},
+ /* 41 A */ {0x7C, 0x12, 0x12, 0x7C, 0xAA, 0xAA},
+ /* 42 B */ {0x7E, 0x4A, 0x4A, 0x34, 0xAA, 0xAA},
+ /* 43 C */ {0x3C, 0x42, 0x42, 0x24, 0xAA, 0xAA},
+ /* 44 D */ {0x7E, 0x42, 0x42, 0x3C, 0xAA, 0xAA},
+ /* 45 E */ {0x7E, 0x4A, 0x4A, 0xAA, 0xAA, 0xAA},
+ /* 46 F */ {0x7E, 0x0A, 0x0A, 0xAA, 0xAA, 0xAA},
+ /* 47 G */ {0x3C, 0x42, 0x52, 0x34, 0xAA, 0xAA},
+ /* 48 H */ {0x7E, 0x08, 0x08, 0x7E, 0xAA, 0xAA},
+ /* 49 I */ {0x42, 0x7E, 0x42, 0xAA, 0xAA, 0xAA},
+ /* 4A J */ {0x42, 0x42, 0x3E, 0xAA, 0xAA, 0xAA},
+ /* 4B K */ {0x7E, 0x08, 0x14, 0x62, 0xAA, 0xAA},
+ /* 4C L */ {0x7E, 0x40, 0x40, 0xAA, 0xAA, 0xAA},
+ /* 4D M */ {0x7E, 0x04, 0x08, 0x04, 0x7E, 0xAA},
+ /* 4E N */ {0x7E, 0x04, 0x18, 0x20, 0x7E, 0xAA},
+ /* 4F O */ {0x3C, 0x42, 0x42, 0x3C, 0xAA, 0xAA},
+
+ /* 50 P */ {0x7E, 0x12, 0x12, 0x0C, 0xAA, 0xAA},
+ /* 51 Q */ {0x3C, 0x42, 0x42, 0xBC, 0xAA, 0xAA},
+ /* 52 R */ {0x7E, 0x12, 0x12, 0x6C, 0xAA, 0xAA},
+ /* 53 S */ {0x44, 0x4A, 0x4A, 0x30, 0xAA, 0xAA},
+ /* 54 T */ {0x02, 0x7E, 0x02, 0xAA, 0xAA, 0xAA},
+ /* 55 U */ {0x3E, 0x40, 0x40, 0x3E, 0xAA, 0xAA},
+ /* 56 V */ {0x06, 0x18, 0x60, 0x18, 0x06, 0xAA},
+ /* 57 W */ {0x3E, 0x40, 0x3E, 0x40, 0x3E, 0xAA},
+ /* 58 X */ {0x42, 0x24, 0x18, 0x24, 0x42, 0xAA},
+ /* 59 Y */ {0x9E, 0xA0, 0xA0, 0x7E, 0xAA, 0xAA},
+ /* 5A Z */ {0x62, 0x52, 0x4A, 0x46, 0xAA, 0xAA},
+ /* 5B [ */ {0x7E, 0x42, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 5C \ */ {0x06, 0x18, 0x60, 0xAA, 0xAA, 0xAA},
+ /* 5D ] */ {0x42, 0x7E, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 5E ^ */ {0x04, 0x02, 0x04, 0xAA, 0xAA, 0xAA},
+ /* 5F _ */ {0x40, 0x40, 0x40, 0xAA, 0xAA, 0xAA},
+
+ /* 60 ` */ {0x02, 0x04, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 61 a */ {0x20, 0x54, 0x54, 0x78, 0xAA, 0xAA},
+ /* 62 b */ {0x7E, 0x44, 0x44, 0x38, 0xAA, 0xAA},
+ /* 63 c */ {0x38, 0x44, 0x44, 0x28, 0xAA, 0xAA},
+ /* 64 d */ {0x38, 0x44, 0x44, 0x7E, 0xAA, 0xAA},
+ /* 65 e */ {0x38, 0x54, 0x54, 0x58, 0xAA, 0xAA},
+ /* 66 f */ {0x7C, 0x0A, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 67 g */ {0x98, 0xA4, 0xA4, 0x7C, 0xAA, 0xAA},
+ /* 68 h */ {0x7E, 0x04, 0x04, 0x78, 0xAA, 0xAA},
+ /* 69 i */ {0x7A, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 6A j */ {0x40, 0x3A, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 6B k */ {0x7E, 0x10, 0x28, 0x44, 0xAA, 0xAA},
+ /* 6C l */ {0x7E, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 6D m */ {0x7C, 0x04, 0x78, 0x04, 0x78, 0xAA},
+ /* 6E n */ {0x7C, 0x04, 0x04, 0x78, 0xAA, 0xAA},
+ /* 6F o */ {0x38, 0x44, 0x44, 0x38, 0xAA, 0xAA},
+
+ /* 70 p */ {0xFC, 0x24, 0x24, 0x18, 0xAA, 0xAA},
+ /* 71 q */ {0x18, 0x24, 0x24, 0xFC, 0xAA, 0xAA},
+ /* 72 r */ {0x78, 0x04, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 73 s */ {0x48, 0x54, 0x54, 0x20, 0xAA, 0xAA},
+ /* 74 t */ {0x04, 0x3E, 0x44, 0xAA, 0xAA, 0xAA},
+ /* 75 u */ {0x3C, 0x40, 0x40, 0x3C, 0xAA, 0xAA},
+ /* 76 v */ {0x0C, 0x30, 0x40, 0x30, 0x0C, 0xAA},
+ /* 77 w */ {0x3C, 0x40, 0x3C, 0x40, 0x3C, 0xAA},
+ /* 78 x */ {0x44, 0x28, 0x10, 0x28, 0x44, 0xAA},
+ /* 79 y */ {0x1C, 0xA0, 0xA0, 0x7C, 0xAA, 0xAA},
+ /* 7A z */ {0x64, 0x54, 0x4C, 0xAA, 0xAA, 0xAA},
+ /* 7B { */ {0x08, 0x36, 0x41, 0xAA, 0xAA, 0xAA},
+ /* 7C | */ {0x7E, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA},
+ /* 7D } */ {0x41, 0x36, 0x08, 0xAA, 0xAA, 0xAA},
+ /* 7E ~ */ {0x20, 0x10, 0x20, 0x10, 0xAA, 0xAA},
+ /* 7F DEL */ {0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA}
+};
+
diff --git a/examples/stm32/f1/other/dogm128/dogm128.h b/examples/stm32/f1/other/dogm128/dogm128.h
new file mode 100644
index 0000000..de43225
--- /dev/null
+++ b/examples/stm32/f1/other/dogm128/dogm128.h
@@ -0,0 +1,86 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef DOGM128_H
+#define DOGM128_H
+
+#include <libopencm3/cm3/common.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/stm32/spi.h>
+
+/* PB10 GPIO - ~RESET
+ * PB12 SPI2_NSS - ~CS1
+ * PB13 SPI2_SCK - SCL
+ * PB14 SPI2_MISO - A0
+ * PB15 SPI2_MOSI - SI */
+
+#define DOGM128_SPI SPI2
+#define DOGM128_RESET_PIN GPIO10
+#define DOGM128_RESET_PORT GPIOB
+#define DOGM128_A0_PIN GPIO14
+#define DOGM128_A0_PORT GPIOB
+
+/* DOGM128 display commands */
+#define DOGM128_PAGE_BASE 0xB0
+#define DOGM128_PAGE0 0xB0
+#define DOGM128_PAGE1 0xB1
+#define DOGM128_PAGE2 0xB2
+#define DOGM128_PAGE3 0xB3
+#define DOGM128_PAGE4 0xB4
+#define DOGM128_PAGE5 0xB5
+#define DOGM128_PAGE6 0xB6
+#define DOGM128_PAGE7 0xB7
+#define DOGM128_DISPLAY_ON 0xAF
+#define DOGM128_DISPLAY_OFF 0xAE
+#define DOGM128_DISPLAY_START_ADDRESS_BASE 0x40
+#define DOGM128_ADC_NORMAL 0xA0
+#define DOGM128_ADC_REVERSE 0xA1
+#define DOGM128_DISPLAY_NORMAL 0xA6
+#define DOGM128_DISPLAY_REVERSE 0xA7
+#define DOGM128_ALL_POINTS_ON 0xA5
+#define DOGM128_ALL_POINTS_OFF 0xA4
+#define DOGM128_BIAS_19 0xA2
+#define DOGM128_BIAS_17 0xA3
+#define DOGM128_INTERNAL_RESET 0xE2
+#define DOGM128_COM_OUTPUT_SCAN_NORMAL 0xC0
+#define DOGM128_COM_OUTPUT_SCAN_REVERSE 0xC8
+#define DOGM128_POWER_CONTROL_BASE 0x28
+#define DOGM128_V0_OUTPUT_RESISTOR_BASE 0x20
+#define DOGM128_ELECTRONIC_VOLUME_MODE_SET 0x81
+#define DOGM128_STATIC_INDICATOR_OFF 0xAC
+#define DOGM128_STATIC_INDICATOR_ON 0xAD
+#define DOGM128_BOOSTER_RATIO_SET 0xF8
+
+extern const u8 dogm128_font[96][6];
+extern u8 dogm128_ram[1024];
+extern u8 dogm128_cursor_x;
+extern u8 dogm128_cursor_y;
+
+void dogm128_send_command(u8 command);
+void dogm128_set_cursor(u8 xcoord, u8 ycoord);
+void dogm128_print_char(u8 data);
+void dogm128_print_string(char * s);
+void dogm128_set_dot(u8 xcoord, u8 ycoord);
+void dogm128_clear_dot(u8 xcoord, u8 ycoord);
+void dogm128_send_data(u8 data);
+void dogm128_init();
+void dogm128_update_display();
+void dogm128_clear();
+
+#endif
diff --git a/examples/stm32/f1/other/dogm128/main.c b/examples/stm32/f1/other/dogm128/main.c
new file mode 100644
index 0000000..508971e
--- /dev/null
+++ b/examples/stm32/f1/other/dogm128/main.c
@@ -0,0 +1,110 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/f1/flash.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/stm32/usart.h>
+#include <libopencm3/stm32/timer.h>
+#include <libopencm3/stm32/nvic.h>
+#include <libopencm3/stm32/spi.h>
+#include "./dogm128.h"
+
+void gpio_setup(void)
+{
+ /* Enable GPIOB clock. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
+
+ /* Set GPIO6/7 (in GPIO port B) to 'output push-pull' for the LEDs. */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO6);
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO7);
+
+ /* A0 of DOGM128 */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO14);
+ /*reset of DOGM128 */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO10);
+
+ /* DOGM128/SPI2 clock and MOSI and NSS(CS1) */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO12);
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO13);
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO15);
+}
+
+void spi_setup()
+{
+ /* the DOGM128 display is connected to SPI2, so initialise it correctly */
+
+ rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_SPI2EN);
+
+ spi_set_unidirectional_mode(DOGM128_SPI); /* we want to send only */
+ spi_disable_crc(DOGM128_SPI); /* no CRC for this slave */
+ spi_set_dff_8bit(DOGM128_SPI); /* 8-bit dataword-length */
+ spi_set_full_duplex_mode(DOGM128_SPI); /* not receive-only */
+ spi_enable_software_slave_management(DOGM128_SPI); /* we want to handle the CS signal in software */
+ spi_set_nss_high(DOGM128_SPI);
+ spi_set_baudrate_prescaler(DOGM128_SPI, SPI_CR1_BR_FPCLK_DIV_256); /* PCLOCK/256 as clock */
+ spi_set_master_mode(DOGM128_SPI); /* we want to control everything and generate the clock -> master */
+ spi_set_clock_polarity_1(DOGM128_SPI); /* sck idle state high */
+ spi_set_clock_phase_1(DOGM128_SPI); /* bit is taken on the second (rising edge) of sck */
+ spi_enable_ss_output(DOGM128_SPI);
+ spi_enable(DOGM128_SPI);
+}
+
+int main(void)
+{
+ rcc_clock_setup_in_hse_16mhz_out_72mhz();
+ gpio_setup();
+ spi_setup();
+
+ gpio_clear(GPIOB, GPIO7); /* LED1 on */
+ gpio_set(GPIOB, GPIO6); /* LED2 off */
+
+ dogm128_init();
+ dogm128_clear();
+
+ dogm128_set_cursor(0, 56);
+ dogm128_print_string("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+ dogm128_set_cursor(0, 48);
+ dogm128_print_string("abcdefghijklmnopqrstuvwxyz");
+ dogm128_set_cursor(0, 40);
+ dogm128_print_string(" !#$%&'()*+,-./0123456789");
+ dogm128_set_cursor(0, 32);
+ dogm128_print_string(":;<=>?@[\\]^_`{|}~");
+
+ dogm128_set_dot(10, 10);
+ dogm128_set_dot(20, 10);
+ dogm128_set_dot(30, 10);
+ dogm128_set_dot(40, 10);
+ dogm128_set_dot(50, 10);
+
+ dogm128_update_display();
+
+ gpio_set(GPIOB, GPIO7); /* LED1 off */
+ while(1); /* Halt. */
+
+ return 0;
+}
+
diff --git a/examples/stm32/f1/other/dogm128/main.ld b/examples/stm32/f1/other/dogm128/main.ld
new file mode 100644
index 0000000..4f609a8
--- /dev/null
+++ b/examples/stm32/f1/other/dogm128/main.ld
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Linker script for an STM32F103RBT6 board (128K flash, 20K RAM). */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+}
+
+/* Include the common ld script. */
+INCLUDE libopencm3_stm32f1.ld
+
diff --git a/examples/stm32/f1/other/i2c_stts75_sensor/Makefile b/examples/stm32/f1/other/i2c_stts75_sensor/Makefile
new file mode 100644
index 0000000..d0f6ddf
--- /dev/null
+++ b/examples/stm32/f1/other/i2c_stts75_sensor/Makefile
@@ -0,0 +1,25 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+
+BINARY = i2c_stts75_sensor
+
+OBJS = stts75.o
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/other/i2c_stts75_sensor/README b/examples/stm32/f1/other/i2c_stts75_sensor/README
new file mode 100644
index 0000000..91e3ff6
--- /dev/null
+++ b/examples/stm32/f1/other/i2c_stts75_sensor/README
@@ -0,0 +1,13 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This example program sends some characters on USART1.
+Afterwards it connects to an STTS75 sensor (ST LM75 compatible)
+at adress A0/1/2=0 and sets reverse polarity, 26 degree Tos and Thyst.
+
+It reads out the temperature and submits the temperature over USART1 in
+binary format (ASCII 0/1).
+
+The terminal settings for the receiving device/PC are 115200 8n1.
+
diff --git a/examples/stm32/f1/other/i2c_stts75_sensor/i2c_stts75_sensor.c b/examples/stm32/f1/other/i2c_stts75_sensor/i2c_stts75_sensor.c
new file mode 100644
index 0000000..d8f2404
--- /dev/null
+++ b/examples/stm32/f1/other/i2c_stts75_sensor/i2c_stts75_sensor.c
@@ -0,0 +1,146 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/f1/flash.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/stm32/usart.h>
+#include <libopencm3/stm32/i2c.h>
+#include "stts75.h"
+
+void usart_setup(void)
+{
+ /* Enable clocks for GPIO port A (for GPIO_USART1_TX) and USART1. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_USART1EN);
+
+ /* Setup GPIO pin GPIO_USART1_TX/GPIO9 on GPIO port A for transmit. */
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART1_TX);
+
+ /* Setup UART parameters. */
+ usart_set_baudrate(USART1, 115200, rcc_ppre2_frequency);
+ usart_set_databits(USART1, 8);
+ usart_set_stopbits(USART1, USART_STOPBITS_1);
+ usart_set_mode(USART1, USART_MODE_TX_RX);
+ usart_set_parity(USART1, USART_PARITY_NONE);
+ usart_set_flow_control(USART1, USART_FLOWCONTROL_NONE);
+
+ /* Finally enable the USART. */
+ usart_enable(USART1);
+}
+
+void gpio_setup(void)
+{
+ /* Enable GPIOB clock. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
+
+ /* Set GPIO6/7 (in GPIO port B) to 'output push-pull' for the LEDs. */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO6);
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO7);
+}
+
+void i2c_setup(void)
+{
+ /* Enable clocks for I2C2 and AFIO. */
+ rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_I2C2EN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
+
+ /* Set alternate functions for the SCL and SDA pins of I2C2. */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_ALTFN_OPENDRAIN,
+ GPIO_I2C2_SCL | GPIO_I2C2_SDA);
+
+ /* Disable the I2C before changing any configuration. */
+ i2c_peripheral_disable(I2C2);
+
+ /* APB1 is running at 36MHz. */
+ i2c_set_clock_frequency(I2C2, I2C_CR2_FREQ_36MHZ);
+
+ /* 400KHz - I2C Fast Mode */
+ i2c_set_fast_mode(I2C2);
+
+ /*
+ * fclock for I2C is 36MHz APB2 -> cycle time 28ns, low time at 400KHz
+ * incl trise -> Thigh= 1600ns; CCR= tlow/tcycle= 0x1C,9;
+ * datasheet suggests 0x1e.
+ */
+ i2c_set_ccr(I2C2, 0x1e);
+
+ /*
+ * fclock for I2C is 36MHz -> cycle time 28ns, rise time for
+ * 400KHz => 300ns and 100KHz => 1000ns; 300ns/28ns = 10;
+ * incremented by 1 -> 11.
+ */
+ i2c_set_trise(I2C2, 0x0b);
+
+ /*
+ * This is our slave address - needed only if we want to receive from
+ * other masters.
+ */
+ i2c_set_own_7bit_slave_address(I2C2, 0x32);
+
+ /* If everything is configured -> enable the peripheral. */
+ i2c_peripheral_enable(I2C2);
+}
+
+int main(void)
+{
+ int i = 0;
+ u16 temperature;
+
+ rcc_clock_setup_in_hse_16mhz_out_72mhz();
+ gpio_setup();
+ usart_setup();
+ i2c_setup();
+
+ gpio_clear(GPIOB, GPIO7); /* LED1 on */
+ gpio_set(GPIOB, GPIO6); /* LED2 off */
+
+ /* Send a message on USART1. */
+ usart_send(USART1, 's');
+ usart_send(USART1, 't');
+ usart_send(USART1, 'm');
+ usart_send(USART1, '\r');
+ usart_send(USART1, '\n');
+
+ stts75_write_config(I2C2, STTS75_SENSOR0);
+ stts75_write_temp_os(I2C2, STTS75_SENSOR0, 0x1a00); /* 26 degrees */
+ stts75_write_temp_hyst(I2C2, STTS75_SENSOR0, 0x1a00);
+ temperature = stts75_read_temperature(I2C2, STTS75_SENSOR0);
+
+ /* Send the temperature as binary over USART1. */
+ for (i = 15; i >= 0 ; i--) {
+ if (temperature & (1 << i))
+ usart_send(USART1, '1');
+ else
+ usart_send(USART1, '0');
+ }
+
+ usart_send(USART1, '\r');
+ usart_send(USART1, '\n');
+
+ gpio_clear(GPIOB, GPIO6); /* LED2 on */
+
+ while(1); /* Halt. */
+
+ return 0;
+}
diff --git a/examples/stm32/f1/other/i2c_stts75_sensor/i2c_stts75_sensor.ld b/examples/stm32/f1/other/i2c_stts75_sensor/i2c_stts75_sensor.ld
new file mode 100644
index 0000000..4f609a8
--- /dev/null
+++ b/examples/stm32/f1/other/i2c_stts75_sensor/i2c_stts75_sensor.ld
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Linker script for an STM32F103RBT6 board (128K flash, 20K RAM). */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+}
+
+/* Include the common ld script. */
+INCLUDE libopencm3_stm32f1.ld
+
diff --git a/examples/stm32/f1/other/i2c_stts75_sensor/stts75.c b/examples/stm32/f1/other/i2c_stts75_sensor/stts75.c
new file mode 100644
index 0000000..f28019c
--- /dev/null
+++ b/examples/stm32/f1/other/i2c_stts75_sensor/stts75.c
@@ -0,0 +1,186 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/i2c.h>
+#include "stts75.h"
+
+void stts75_write_config(u32 i2c, u8 sensor)
+{
+ u32 reg32;
+
+ /* Send START condition. */
+ i2c_send_start(i2c);
+
+ /* Waiting for START is send and switched to master mode. */
+ while (!((I2C_SR1(i2c) & I2C_SR1_SB)
+ & (I2C_SR2(i2c) & (I2C_SR2_MSL | I2C_SR2_BUSY))));
+
+ /* Send destination address. */
+ i2c_send_7bit_address(i2c, sensor, I2C_WRITE);
+
+ /* Waiting for address is transferred. */
+ while (!(I2C_SR1(i2c) & I2C_SR1_ADDR));
+
+ /* Cleaning ADDR condition sequence. */
+ reg32 = I2C_SR2(i2c);
+
+ /* Sending the data. */
+ i2c_send_data(i2c, 0x1); /* stts75 config register */
+ while (!(I2C_SR1(i2c) & I2C_SR1_BTF)); /* Await ByteTransferedFlag. */
+ i2c_send_data(i2c, 0x4); /* pol reverse - LED glows if temp is below Tos/Thyst */
+ while (!(I2C_SR1(i2c) & (I2C_SR1_BTF | I2C_SR1_TxE)));
+
+ /* Send STOP condition. */
+ i2c_send_stop(i2c);
+}
+
+void stts75_write_temp_os(u32 i2c, u8 sensor, u16 temp_os)
+{
+ u32 reg32;
+
+ /* Send START condition. */
+ i2c_send_start(i2c);
+
+ /* Waiting for START is send and switched to master mode. */
+ while (!((I2C_SR1(i2c) & I2C_SR1_SB)
+ & (I2C_SR2(i2c) & (I2C_SR2_MSL | I2C_SR2_BUSY))));
+
+ /* Send destination address. */
+ i2c_send_7bit_address(i2c, sensor, I2C_WRITE);
+
+ /* Waiting for address is transferred. */
+ while (!(I2C_SR1(i2c) & I2C_SR1_ADDR));
+
+ /* Cleaning ADDR condition sequence. */
+ reg32 = I2C_SR2(i2c);
+
+ /* Sending the data. */
+ i2c_send_data(i2c, 0x3); /* OvertemperatureShutdown register */
+ while (!(I2C_SR1(i2c) & I2C_SR1_BTF));
+ i2c_send_data(i2c, (u8)(temp_os >> 8)); /* MSB */
+ while (!(I2C_SR1(i2c) & I2C_SR1_BTF));
+ i2c_send_data(i2c, (u8)(temp_os & 0xff00)); /* LSB */
+ while (!(I2C_SR1(i2c) & (I2C_SR1_BTF | I2C_SR1_TxE))); /* After the last byte we have to wait for TxE too. */
+
+ /* Send STOP condition. */
+ i2c_send_stop(i2c);
+}
+
+void stts75_write_temp_hyst(u32 i2c, u8 sensor, u16 temp_hyst)
+{
+ u32 reg32;
+
+ /* Send START condition. */
+ i2c_send_start(i2c);
+
+ /* Waiting for START is send and therefore switched to master mode. */
+ while (!((I2C_SR1(i2c) & I2C_SR1_SB)
+ & (I2C_SR2(i2c) & (I2C_SR2_MSL | I2C_SR2_BUSY))));
+
+ /* Say to what address we want to talk to. */
+ i2c_send_7bit_address(i2c, sensor, I2C_WRITE);
+
+ /* Waiting for address is transferred. */
+ while (!(I2C_SR1(i2c) & I2C_SR1_ADDR));
+
+ /* Cleaning ADDR condition sequence. */
+ reg32 = I2C_SR2(i2c);
+
+ /* Sending the data. */
+ i2c_send_data(i2c, 0x2); /* TemperatureHysteresis register */
+ while (!(I2C_SR1(i2c) & I2C_SR1_BTF));
+ i2c_send_data(i2c, (u8)(temp_hyst >> 8)); /* MSB */
+ while (!(I2C_SR1(i2c) & I2C_SR1_BTF));
+ i2c_send_data(i2c, (u8)(temp_hyst & 0xff00)); /* LSB */
+ while (!(I2C_SR1(i2c) & (I2C_SR1_BTF | I2C_SR1_TxE))); /* After the last byte we have to wait for TxE too. */
+
+ /* Send STOP condition. */
+ i2c_send_stop(i2c);
+}
+
+u16 stts75_read_temperature(u32 i2c, u8 sensor)
+{
+ u32 reg32;
+ u16 temperature;
+
+ /* Send START condition. */
+ i2c_send_start(i2c);
+
+ /* Waiting for START is send and switched to master mode. */
+ while (!((I2C_SR1(i2c) & I2C_SR1_SB)
+ & (I2C_SR2(i2c) & (I2C_SR2_MSL | I2C_SR2_BUSY))));
+
+ /* Say to what address we want to talk to. */
+ /* Yes, WRITE is correct - for selecting register in STTS75. */
+ i2c_send_7bit_address(i2c, sensor, I2C_WRITE);
+
+ /* Waiting for address is transferred. */
+ while (!(I2C_SR1(i2c) & I2C_SR1_ADDR));
+
+ /* Cleaning ADDR condition sequence. */
+ reg32 = I2C_SR2(i2c);
+
+ i2c_send_data(i2c, 0x0); /* temperature register */
+ while (!(I2C_SR1(i2c) & (I2C_SR1_BTF|I2C_SR1_TxE)));
+
+ /*
+ * Now we transferred that we want to ACCESS the temperature register.
+ * Now we send another START condition (repeated START) and then
+ * transfer the destination but with flag READ.
+ */
+
+ /* Send START condition. */
+ i2c_send_start(i2c);
+
+ /* Waiting for START is send and switched to master mode. */
+ while (!((I2C_SR1(i2c) & I2C_SR1_SB)
+ & (I2C_SR2(i2c) & (I2C_SR2_MSL | I2C_SR2_BUSY))));
+
+ /* Say to what address we want to talk to. */
+ i2c_send_7bit_address(i2c, sensor, I2C_READ);
+
+ /* 2-byte receive is a special case. See datasheet POS bit. */
+ I2C_CR1(i2c) |= (I2C_CR1_POS | I2C_CR1_ACK);
+
+ /* Waiting for address is transferred. */
+ while (!(I2C_SR1(i2c) & I2C_SR1_ADDR));
+
+ /* Cleaning ADDR condition sequence. */
+ reg32 = I2C_SR2(i2c);
+
+ /* Cleaning I2C_SR1_ACK. */
+ I2C_CR1(i2c) &= ~ I2C_CR1_ACK;
+
+ /* Now the slave should begin to send us the first byte. Await BTF. */
+ while (!(I2C_SR1(i2c) & I2C_SR1_BTF));
+ temperature = (u16)(I2C_DR(i2c) << 8); /* MSB */
+
+ /*
+ * Yes they mean it: we have to generate the STOP condition before
+ * saving the 1st byte.
+ */
+ I2C_CR1(i2c) |= I2C_CR1_STOP;
+
+ temperature |= I2C_DR(i2c); /* LSB */
+
+ /* Original state. */
+ I2C_CR1(i2c) &= ~I2C_CR1_POS;
+
+ return temperature;
+}
diff --git a/examples/stm32/f1/other/i2c_stts75_sensor/stts75.h b/examples/stm32/f1/other/i2c_stts75_sensor/stts75.h
new file mode 100644
index 0000000..57f6190
--- /dev/null
+++ b/examples/stm32/f1/other/i2c_stts75_sensor/stts75.h
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef STTS75_H
+#define STTS75_H
+
+#include <stdint.h>
+
+#define STTS75_SENSOR0 0x48
+#define STTS75_SENSOR1 0x49
+#define STTS75_SENSOR2 0x4a
+#define STTS75_SENSOR3 0x4b
+#define STTS75_SENSOR4 0x4c
+#define STTS75_SENSOR5 0x4d
+#define STTS75_SENSOR6 0x4e
+#define STTS75_SENSOR7 0x4f
+
+void stts75_write_config(u32 i2c, u8 sensor);
+void stts75_write_temp_os(u32 i2c, u8 sensor, u16 temp_os);
+void stts75_write_temp_hyst(u32 i2c, u8 sensor, u16 temp_hyst);
+u16 stts75_read_temperature(u32 i2c, u8 sensor);
+
+#endif
diff --git a/examples/stm32/f1/other/rtc/Makefile b/examples/stm32/f1/other/rtc/Makefile
new file mode 100644
index 0000000..1efa7ac
--- /dev/null
+++ b/examples/stm32/f1/other/rtc/Makefile
@@ -0,0 +1,23 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+
+BINARY = rtc
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/other/rtc/README b/examples/stm32/f1/other/rtc/README
new file mode 100644
index 0000000..f1e3975
--- /dev/null
+++ b/examples/stm32/f1/other/rtc/README
@@ -0,0 +1,6 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This is a small RTC example project.
+
diff --git a/examples/stm32/f1/other/rtc/rtc.c b/examples/stm32/f1/other/rtc/rtc.c
new file mode 100644
index 0000000..28ae24c
--- /dev/null
+++ b/examples/stm32/f1/other/rtc/rtc.c
@@ -0,0 +1,116 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Lord James <lordjames@y7mail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/stm32/f1/rtc.h>
+#include <libopencm3/stm32/usart.h>
+#include <libopencm3/stm32/pwr.h>
+#include <libopencm3/stm32/nvic.h>
+
+void clock_setup(void)
+{
+ rcc_clock_setup_in_hse_8mhz_out_72mhz();
+
+ /* Enable GPIOC clock. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
+
+ /* Enable clocks for GPIO port A (for GPIO_USART1_TX) and USART1. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_USART1EN);
+}
+
+void usart_setup(void)
+{
+ /* Setup GPIO pin GPIO_USART1_TX/GPIO9 on GPIO port A for transmit. */
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART1_TX);
+
+ /* Setup UART parameters. */
+ usart_set_baudrate(USART1, 38400, rcc_ppre2_frequency);
+ usart_set_databits(USART1, 8);
+ usart_set_stopbits(USART1, USART_STOPBITS_1);
+ usart_set_mode(USART1, USART_MODE_TX);
+ usart_set_parity(USART1, USART_PARITY_NONE);
+ usart_set_flow_control(USART1, USART_FLOWCONTROL_NONE);
+
+ /* Finally enable the USART. */
+ usart_enable(USART1);
+}
+
+void gpio_setup(void)
+{
+ /* Set GPIO12 (in GPIO port C) to 'output push-pull'. */
+ gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO12);
+}
+
+void nvic_setup(void)
+{
+ /* Without this the RTC interrupt routine will never be called. */
+ nvic_enable_irq(NVIC_RTC_IRQ);
+ nvic_set_priority(NVIC_RTC_IRQ, 1);
+}
+
+void rtc_isr(void)
+{
+ volatile u32 j = 0, c = 0;
+
+ /* The interrupt flag isn't cleared by hardware, we have to do it. */
+ rtc_clear_flag(RTC_SEC);
+
+ /* Visual output. */
+ gpio_toggle(GPIOC, GPIO12);
+
+ c = rtc_get_counter_val();
+
+ /* Display the current counter value in binary via USART1. */
+ for (j = 0; j < 32; j++) {
+ if ((c & (0x80000000 >> j)) != 0) {
+ usart_send(USART1, '1');
+ } else {
+ usart_send(USART1, '0');
+ }
+ }
+ usart_send(USART1, '\n');
+}
+
+int main(void)
+{
+ clock_setup();
+ gpio_setup();
+ usart_setup();
+
+ /*
+ * If the RTC is pre-configured just allow access, don't reconfigure.
+ * Otherwise enable it with the LSE as clock source and 0x7fff as
+ * prescale value.
+ */
+ rtc_auto_awake(LSE, 0x7fff);
+
+ /* Setup the RTC interrupt. */
+ nvic_setup();
+
+ /* Enable the RTC interrupt to occur off the SEC flag. */
+ rtc_interrupt_enable(RTC_SEC);
+
+ while(1);
+
+ return 0;
+}
diff --git a/examples/stm32/f1/other/rtc/rtc.ld b/examples/stm32/f1/other/rtc/rtc.ld
new file mode 100644
index 0000000..3409b98
--- /dev/null
+++ b/examples/stm32/f1/other/rtc/rtc.ld
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Linker script for Olimex STM32-H103 (STM32F103RBT6, 128K flash, 20K RAM). */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+}
+
+/* Include the common ld script. */
+INCLUDE libopencm3_stm32f1.ld
+
diff --git a/examples/stm32/f1/other/systick/Makefile b/examples/stm32/f1/other/systick/Makefile
new file mode 100644
index 0000000..91b5cb5
--- /dev/null
+++ b/examples/stm32/f1/other/systick/Makefile
@@ -0,0 +1,23 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+
+BINARY = systick
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/other/systick/README b/examples/stm32/f1/other/systick/README
new file mode 100644
index 0000000..affb4b8
--- /dev/null
+++ b/examples/stm32/f1/other/systick/README
@@ -0,0 +1,7 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This example program blinks a LED on PortB Pin 6. 1 second on / 1 second off.
+Blinking is done via the systick timer interrupt.
+
diff --git a/examples/stm32/f1/other/systick/systick.c b/examples/stm32/f1/other/systick/systick.c
new file mode 100644
index 0000000..173ff2a
--- /dev/null
+++ b/examples/stm32/f1/other/systick/systick.c
@@ -0,0 +1,75 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/f1/flash.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/stm32/nvic.h>
+#include <libopencm3/stm32/systick.h>
+
+u32 temp32;
+
+void gpio_setup(void)
+{
+ /* Enable GPIOB clock. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
+
+ /* Set GPIO6/7 (in GPIO port B) to 'output push-pull' for the LEDs. */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO6);
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO7);
+}
+
+void sys_tick_handler()
+{
+ temp32++;
+
+ /* we call this handler every 1ms so 1000ms = 1s on/off */
+ if (temp32 == 1000) {
+ gpio_toggle(GPIOB, GPIO6); /* LED2 on/off */
+ temp32 = 0;
+ }
+}
+
+int main(void)
+{
+ rcc_clock_setup_in_hse_16mhz_out_72mhz();
+ gpio_setup();
+
+ gpio_clear(GPIOB, GPIO7); /* LED1 on */
+ gpio_set(GPIOB, GPIO6); /* LED2 off */
+
+ temp32 = 0;
+
+ /* 72MHz / 8 => 9000000 counts per second */
+ systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
+
+ /* 9000000/9000 = 1000 overflows per second - every 1ms one interrupt */
+ systick_set_reload(9000);
+
+ systick_interrupt_enable();
+
+ /* start counting */
+ systick_counter_enable();
+
+ while(1); /* Halt. */
+
+ return 0;
+}
diff --git a/examples/stm32/f1/other/systick/systick.ld b/examples/stm32/f1/other/systick/systick.ld
new file mode 100644
index 0000000..4f609a8
--- /dev/null
+++ b/examples/stm32/f1/other/systick/systick.ld
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Linker script for an STM32F103RBT6 board (128K flash, 20K RAM). */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+}
+
+/* Include the common ld script. */
+INCLUDE libopencm3_stm32f1.ld
+
diff --git a/examples/stm32/f1/other/timer_interrupt/Makefile b/examples/stm32/f1/other/timer_interrupt/Makefile
new file mode 100644
index 0000000..86aced4
--- /dev/null
+++ b/examples/stm32/f1/other/timer_interrupt/Makefile
@@ -0,0 +1,23 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+
+BINARY = timer
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/other/timer_interrupt/README b/examples/stm32/f1/other/timer_interrupt/README
new file mode 100644
index 0000000..e6a22c4
--- /dev/null
+++ b/examples/stm32/f1/other/timer_interrupt/README
@@ -0,0 +1,7 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This example program blinks a LED on PortB Pin 6. 1 second on / 1 second off.
+Blinking is made only with the timer interrupt of the TIM2 timer.
+
diff --git a/examples/stm32/f1/other/timer_interrupt/timer.c b/examples/stm32/f1/other/timer_interrupt/timer.c
new file mode 100644
index 0000000..422df88
--- /dev/null
+++ b/examples/stm32/f1/other/timer_interrupt/timer.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/f1/flash.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/stm32/timer.h>
+#include <libopencm3/stm32/nvic.h>
+
+void gpio_setup(void)
+{
+ /* Enable GPIOB clock. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
+
+ /* Set GPIO6/7 (in GPIO port B) to 'output push-pull' for the LEDs. */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO6);
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO7);
+}
+
+void nvic_setup()
+{
+ /* without this the timer interrupt routine will never be called */
+ nvic_enable_irq(NVIC_TIM2_IRQ);
+ nvic_set_priority(NVIC_TIM2_IRQ, 1);
+}
+
+void tim2_isr()
+{
+ /* LED2 on/off */
+ gpio_toggle(GPIOB, GPIO6);
+
+ /* clear interrrupt flag */
+ TIM_SR(TIM2) &= ~TIM_SR_UIF;
+}
+
+int main(void)
+{
+ rcc_clock_setup_in_hse_16mhz_out_72mhz();
+ gpio_setup();
+ nvic_setup();
+
+ gpio_clear(GPIOB, GPIO7); /* LED1 on */
+ gpio_set(GPIOB, GPIO6); /* LED2 off */
+
+ rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_TIM2EN);
+
+ /* the goal is to let the LED2 glow for a second and then be off for a second */
+
+ /* Set timer start value */
+ TIM_CNT(TIM2) = 1;
+
+ /* Set timer prescaler. 72MHz/1440 => 50000 counts per second */
+ TIM_PSC(TIM2) = 1440;
+
+ /* End timer value. If this value is reached an interrupt is generated */
+ TIM_ARR(TIM2) = 50000;
+
+ /* Update interrupt enable */
+ TIM_DIER(TIM2) |= TIM_DIER_UIE;
+
+ /* Start timer */
+ TIM_CR1(TIM2) |= TIM_CR1_CEN;
+
+ while(1); /* Halt. */
+
+ return 0;
+}
diff --git a/examples/stm32/f1/other/timer_interrupt/timer.ld b/examples/stm32/f1/other/timer_interrupt/timer.ld
new file mode 100644
index 0000000..4f609a8
--- /dev/null
+++ b/examples/stm32/f1/other/timer_interrupt/timer.ld
@@ -0,0 +1,31 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Linker script for an STM32F103RBT6 board (128K flash, 20K RAM). */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+}
+
+/* Include the common ld script. */
+INCLUDE libopencm3_stm32f1.ld
+
diff --git a/examples/stm32/f1/other/usb_cdcacm/Makefile b/examples/stm32/f1/other/usb_cdcacm/Makefile
new file mode 100644
index 0000000..38179e3
--- /dev/null
+++ b/examples/stm32/f1/other/usb_cdcacm/Makefile
@@ -0,0 +1,23 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+
+BINARY = cdcacm
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/other/usb_cdcacm/README b/examples/stm32/f1/other/usb_cdcacm/README
new file mode 100644
index 0000000..2f1ee4b
--- /dev/null
+++ b/examples/stm32/f1/other/usb_cdcacm/README
@@ -0,0 +1,7 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This example implements a USB CDC-ACM device (aka Virtual Serial Port)
+to demonstrate the use of the USB device stack.
+
diff --git a/examples/stm32/f1/other/usb_cdcacm/cdcacm.c b/examples/stm32/f1/other/usb_cdcacm/cdcacm.c
new file mode 100644
index 0000000..d26b898
--- /dev/null
+++ b/examples/stm32/f1/other/usb_cdcacm/cdcacm.c
@@ -0,0 +1,245 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/usb/usbd.h>
+#include <libopencm3/usb/cdc.h>
+
+static const struct usb_device_descriptor dev = {
+ .bLength = USB_DT_DEVICE_SIZE,
+ .bDescriptorType = USB_DT_DEVICE,
+ .bcdUSB = 0x0200,
+ .bDeviceClass = USB_CLASS_CDC,
+ .bDeviceSubClass = 0,
+ .bDeviceProtocol = 0,
+ .bMaxPacketSize0 = 64,
+ .idVendor = 0x0483,
+ .idProduct = 0x5740,
+ .bcdDevice = 0x0200,
+ .iManufacturer = 1,
+ .iProduct = 2,
+ .iSerialNumber = 3,
+ .bNumConfigurations = 1,
+};
+
+/* This notification endpoint isn't implemented. According to CDC spec its
+ * optional, but its absence causes a NULL pointer dereference in Linux cdc_acm
+ * driver. */
+static const struct usb_endpoint_descriptor comm_endp[] = {{
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 0x83,
+ .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
+ .wMaxPacketSize = 16,
+ .bInterval = 255,
+}};
+
+static const struct usb_endpoint_descriptor data_endp[] = {{
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 0x01,
+ .bmAttributes = USB_ENDPOINT_ATTR_BULK,
+ .wMaxPacketSize = 64,
+ .bInterval = 1,
+}, {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 0x82,
+ .bmAttributes = USB_ENDPOINT_ATTR_BULK,
+ .wMaxPacketSize = 64,
+ .bInterval = 1,
+}};
+
+static const struct {
+ struct usb_cdc_header_descriptor header;
+ struct usb_cdc_call_management_descriptor call_mgmt;
+ struct usb_cdc_acm_descriptor acm;
+ struct usb_cdc_union_descriptor cdc_union;
+} __attribute__((packed)) cdcacm_functional_descriptors = {
+ .header = {
+ .bFunctionLength = sizeof(struct usb_cdc_header_descriptor),
+ .bDescriptorType = CS_INTERFACE,
+ .bDescriptorSubtype = USB_CDC_TYPE_HEADER,
+ .bcdCDC = 0x0110,
+ },
+ .call_mgmt = {
+ .bFunctionLength =
+ sizeof(struct usb_cdc_call_management_descriptor),
+ .bDescriptorType = CS_INTERFACE,
+ .bDescriptorSubtype = USB_CDC_TYPE_CALL_MANAGEMENT,
+ .bmCapabilities = 0,
+ .bDataInterface = 1,
+ },
+ .acm = {
+ .bFunctionLength = sizeof(struct usb_cdc_acm_descriptor),
+ .bDescriptorType = CS_INTERFACE,
+ .bDescriptorSubtype = USB_CDC_TYPE_ACM,
+ .bmCapabilities = 0,
+ },
+ .cdc_union = {
+ .bFunctionLength = sizeof(struct usb_cdc_union_descriptor),
+ .bDescriptorType = CS_INTERFACE,
+ .bDescriptorSubtype = USB_CDC_TYPE_UNION,
+ .bControlInterface = 0,
+ .bSubordinateInterface0 = 1,
+ }
+};
+
+static const struct usb_interface_descriptor comm_iface[] = {{
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bAlternateSetting = 0,
+ .bNumEndpoints = 1,
+ .bInterfaceClass = USB_CLASS_CDC,
+ .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
+ .bInterfaceProtocol = USB_CDC_PROTOCOL_AT,
+ .iInterface = 0,
+
+ .endpoint = comm_endp,
+
+ .extra = &cdcacm_functional_descriptors,
+ .extralen = sizeof(cdcacm_functional_descriptors)
+}};
+
+static const struct usb_interface_descriptor data_iface[] = {{
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 1,
+ .bAlternateSetting = 0,
+ .bNumEndpoints = 2,
+ .bInterfaceClass = USB_CLASS_DATA,
+ .bInterfaceSubClass = 0,
+ .bInterfaceProtocol = 0,
+ .iInterface = 0,
+
+ .endpoint = data_endp,
+}};
+
+static const struct usb_interface ifaces[] = {{
+ .num_altsetting = 1,
+ .altsetting = comm_iface,
+}, {
+ .num_altsetting = 1,
+ .altsetting = data_iface,
+}};
+
+static const struct usb_config_descriptor config = {
+ .bLength = USB_DT_CONFIGURATION_SIZE,
+ .bDescriptorType = USB_DT_CONFIGURATION,
+ .wTotalLength = 0,
+ .bNumInterfaces = 2,
+ .bConfigurationValue = 1,
+ .iConfiguration = 0,
+ .bmAttributes = 0x80,
+ .bMaxPower = 0x32,
+
+ .interface = ifaces,
+};
+
+static const char *usb_strings[] = {
+ "x",
+ "Black Sphere Technologies",
+ "CDC-ACM Demo",
+ "DEMO"
+};
+
+static int cdcacm_control_request(struct usb_setup_data *req, u8 **buf,
+ u16 *len, void (**complete)(struct usb_setup_data *req))
+{
+ (void)complete;
+ (void)buf;
+
+ switch(req->bRequest) {
+ case USB_CDC_REQ_SET_CONTROL_LINE_STATE: {
+ /* This Linux cdc_acm driver requires this to be implemented
+ * even though it's optional in the CDC spec, and we don't
+ * advertise it in the ACM functional descriptor. */
+ char buf[10];
+ struct usb_cdc_notification *notif = (void*)buf;
+
+ /* We echo signals back to host as notification */
+ notif->bmRequestType = 0xA1;
+ notif->bNotification = USB_CDC_NOTIFY_SERIAL_STATE;
+ notif->wValue = 0;
+ notif->wIndex = 0;
+ notif->wLength = 2;
+ buf[8] = req->wValue & 3;
+ buf[9] = 0;
+ //usbd_ep_write_packet(0x83, buf, 10);
+ return 1;
+ }
+ case USB_CDC_REQ_SET_LINE_CODING:
+ if(*len < sizeof(struct usb_cdc_line_coding))
+ return 0;
+
+ return 1;
+ }
+ return 0;
+}
+
+static void cdcacm_data_rx_cb(u8 ep)
+{
+ (void)ep;
+
+ char buf[64];
+ int len = usbd_ep_read_packet(0x01, buf, 64);
+ if(len) {
+ usbd_ep_write_packet(0x82, buf, len);
+ buf[len] = 0;
+ }
+}
+
+static void cdcacm_set_config(u16 wValue)
+{
+ (void)wValue;
+
+ usbd_ep_setup(0x01, USB_ENDPOINT_ATTR_BULK, 64, cdcacm_data_rx_cb);
+ usbd_ep_setup(0x82, USB_ENDPOINT_ATTR_BULK, 64, NULL);
+ usbd_ep_setup(0x83, USB_ENDPOINT_ATTR_INTERRUPT, 16, NULL);
+
+ usbd_register_control_callback(
+ USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
+ USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
+ cdcacm_control_request);
+}
+
+int main(void)
+{
+ rcc_clock_setup_in_hsi_out_48mhz();
+
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
+
+ AFIO_MAPR |= AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_ON;
+
+ gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO15);
+
+ usbd_init(&stm32f103_usb_driver, &dev, &config, usb_strings);
+ usbd_register_set_config_callback(cdcacm_set_config);
+
+ gpio_set(GPIOA, GPIO15);
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO15);
+
+ while (1)
+ usbd_poll();
+}
diff --git a/examples/stm32/f1/other/usb_cdcacm/cdcacm.ld b/examples/stm32/f1/other/usb_cdcacm/cdcacm.ld
new file mode 100644
index 0000000..3cd6316
--- /dev/null
+++ b/examples/stm32/f1/other/usb_cdcacm/cdcacm.ld
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 64K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+}
+
+/* Include the common ld script. */
+INCLUDE libopencm3_stm32f1.ld
+
diff --git a/examples/stm32/f1/other/usb_dfu/Makefile b/examples/stm32/f1/other/usb_dfu/Makefile
new file mode 100644
index 0000000..48e2d6b
--- /dev/null
+++ b/examples/stm32/f1/other/usb_dfu/Makefile
@@ -0,0 +1,23 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+
+BINARY = usbdfu
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/other/usb_dfu/README b/examples/stm32/f1/other/usb_dfu/README
new file mode 100644
index 0000000..9c0169a
--- /dev/null
+++ b/examples/stm32/f1/other/usb_dfu/README
@@ -0,0 +1,7 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This example implements a USB Device Firmware Upgrade (DFU) bootloader
+to demonstrate the use of the USB device stack.
+
diff --git a/examples/stm32/f1/other/usb_dfu/usbdfu.c b/examples/stm32/f1/other/usb_dfu/usbdfu.c
new file mode 100644
index 0000000..02d919f
--- /dev/null
+++ b/examples/stm32/f1/other/usb_dfu/usbdfu.c
@@ -0,0 +1,270 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/stm32/f1/flash.h>
+#include <libopencm3/stm32/f1/scb.h>
+#include <libopencm3/usb/usbd.h>
+#include <libopencm3/usb/dfu.h>
+
+#define APP_ADDRESS 0x08002000
+
+/* Commands sent with wBlockNum == 0 as per ST implementation. */
+#define CMD_SETADDR 0x21
+#define CMD_ERASE 0x41
+
+/* We need a special large control buffer for this device: */
+u8 usbd_control_buffer[1024];
+
+static enum dfu_state usbdfu_state = STATE_DFU_IDLE;
+
+static struct {
+ u8 buf[sizeof(usbd_control_buffer)];
+ u16 len;
+ u32 addr;
+ u16 blocknum;
+} prog;
+
+const struct usb_device_descriptor dev = {
+ .bLength = USB_DT_DEVICE_SIZE,
+ .bDescriptorType = USB_DT_DEVICE,
+ .bcdUSB = 0x0200,
+ .bDeviceClass = 0,
+ .bDeviceSubClass = 0,
+ .bDeviceProtocol = 0,
+ .bMaxPacketSize0 = 64,
+ .idVendor = 0x0483,
+ .idProduct = 0xDF11,
+ .bcdDevice = 0x0200,
+ .iManufacturer = 1,
+ .iProduct = 2,
+ .iSerialNumber = 3,
+ .bNumConfigurations = 1,
+};
+
+const struct usb_dfu_descriptor dfu_function = {
+ .bLength = sizeof(struct usb_dfu_descriptor),
+ .bDescriptorType = DFU_FUNCTIONAL,
+ .bmAttributes = USB_DFU_CAN_DOWNLOAD | USB_DFU_WILL_DETACH,
+ .wDetachTimeout = 255,
+ .wTransferSize = 1024,
+ .bcdDFUVersion = 0x011A,
+};
+
+const struct usb_interface_descriptor iface = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bAlternateSetting = 0,
+ .bNumEndpoints = 0,
+ .bInterfaceClass = 0xFE, /* Device Firmware Upgrade */
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 2,
+
+ /* The ST Microelectronics DfuSe application needs this string.
+ * The format isn't documented... */
+ .iInterface = 4,
+
+ .extra = &dfu_function,
+ .extralen = sizeof(dfu_function),
+};
+
+const struct usb_interface ifaces[] = {{
+ .num_altsetting = 1,
+ .altsetting = &iface,
+}};
+
+const struct usb_config_descriptor config = {
+ .bLength = USB_DT_CONFIGURATION_SIZE,
+ .bDescriptorType = USB_DT_CONFIGURATION,
+ .wTotalLength = 0,
+ .bNumInterfaces = 1,
+ .bConfigurationValue = 1,
+ .iConfiguration = 0,
+ .bmAttributes = 0xC0,
+ .bMaxPower = 0x32,
+
+ .interface = ifaces,
+};
+
+static const char *usb_strings[] = {
+ "x",
+ "Black Sphere Technologies",
+ "DFU Demo",
+ "DEMO",
+ /* This string is used by ST Microelectronics' DfuSe utility */
+ "@Internal Flash /0x08000000/8*001Ka,56*001Kg"
+};
+
+static u8 usbdfu_getstatus(u32 *bwPollTimeout)
+{
+ switch(usbdfu_state) {
+ case STATE_DFU_DNLOAD_SYNC:
+ usbdfu_state = STATE_DFU_DNBUSY;
+ *bwPollTimeout = 100;
+ return DFU_STATUS_OK;
+
+ case STATE_DFU_MANIFEST_SYNC:
+ /* Device will reset when read is complete */
+ usbdfu_state = STATE_DFU_MANIFEST;
+ return DFU_STATUS_OK;
+
+ default:
+ return DFU_STATUS_OK;
+ }
+}
+
+static void usbdfu_getstatus_complete(struct usb_setup_data *req)
+{
+ int i;
+ (void)req;
+
+ switch(usbdfu_state) {
+ case STATE_DFU_DNBUSY:
+
+ flash_unlock();
+ if(prog.blocknum == 0) {
+ switch(prog.buf[0]) {
+ case CMD_ERASE:
+ flash_erase_page(*(u32*)(prog.buf+1));
+ case CMD_SETADDR:
+ prog.addr = *(u32*)(prog.buf+1);
+ }
+ } else {
+ u32 baseaddr = prog.addr +
+ ((prog.blocknum - 2) *
+ dfu_function.wTransferSize);
+ for(i = 0; i < prog.len; i += 2)
+ flash_program_half_word(baseaddr + i,
+ *(u16*)(prog.buf+i));
+ }
+ flash_lock();
+
+ /* We jump straight to dfuDNLOAD-IDLE,
+ * skipping dfuDNLOAD-SYNC
+ */
+ usbdfu_state = STATE_DFU_DNLOAD_IDLE;
+ return;
+
+ case STATE_DFU_MANIFEST:
+ /* USB device must detach, we just reset... */
+ scb_reset_system();
+ return; /* Will never return */
+ default:
+ return;
+ }
+}
+
+static int usbdfu_control_request(struct usb_setup_data *req, u8 **buf,
+ u16 *len, void (**complete)(struct usb_setup_data *req))
+{
+
+ if((req->bmRequestType & 0x7F) != 0x21)
+ return 0; /* Only accept class request */
+
+ switch(req->bRequest) {
+ case DFU_DNLOAD:
+ if((len == NULL) || (*len == 0)) {
+ usbdfu_state = STATE_DFU_MANIFEST_SYNC;
+ return 1;
+ } else {
+ /* Copy download data for use on GET_STATUS */
+ prog.blocknum = req->wValue;
+ prog.len = *len;
+ memcpy(prog.buf, *buf, *len);
+ usbdfu_state = STATE_DFU_DNLOAD_SYNC;
+ return 1;
+ }
+ case DFU_CLRSTATUS:
+ /* Clear error and return to dfuIDLE */
+ if(usbdfu_state == STATE_DFU_ERROR)
+ usbdfu_state = STATE_DFU_IDLE;
+ return 1;
+ case DFU_ABORT:
+ /* Abort returns to dfuIDLE state */
+ usbdfu_state = STATE_DFU_IDLE;
+ return 1;
+ case DFU_UPLOAD:
+ /* Upload not supported for now */
+ return 0;
+ case DFU_GETSTATUS: {
+ u32 bwPollTimeout = 0; /* 24-bit integer in DFU class spec */
+
+ (*buf)[0] = usbdfu_getstatus(&bwPollTimeout);
+ (*buf)[1] = bwPollTimeout & 0xFF;
+ (*buf)[2] = (bwPollTimeout >> 8) & 0xFF;
+ (*buf)[3] = (bwPollTimeout >> 16) & 0xFF;
+ (*buf)[4] = usbdfu_state;
+ (*buf)[5] = 0; /* iString not used here */
+ *len = 6;
+
+ *complete = usbdfu_getstatus_complete;
+
+ return 1;
+ }
+ case DFU_GETSTATE:
+ /* Return state with no state transision */
+ *buf[0] = usbdfu_state;
+ *len = 1;
+ return 1;
+ }
+
+ return 0;
+}
+
+int main(void)
+{
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ if(!gpio_get(GPIOA, GPIO10)) {
+ /* Boot the application if it's valid */
+ if((*(volatile u32*)APP_ADDRESS & 0x2FFE0000) == 0x20000000) {
+ /* Set vector table base address */
+ SCB_VTOR = APP_ADDRESS & 0xFFFF;
+ /* Initialise master stack pointer */
+ asm volatile ("msr msp, %0"::"g"
+ (*(volatile u32*)APP_ADDRESS));
+ /* Jump to application */
+ (*(void(**)())(APP_ADDRESS + 4))();
+ }
+ }
+
+ rcc_clock_setup_in_hsi_out_48mhz();
+
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
+
+ AFIO_MAPR |= AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_ON;
+ gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO15);
+
+ usbd_init(&stm32f107_usb_driver, &dev, &config, usb_strings);
+ usbd_set_control_buffer_size(sizeof(usbd_control_buffer));
+ usbd_register_control_callback(
+ USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
+ USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
+ usbdfu_control_request);
+
+ gpio_set(GPIOA, GPIO15);
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO15);
+
+ while (1)
+ usbd_poll();
+}
diff --git a/examples/stm32/f1/other/usb_dfu/usbdfu.ld b/examples/stm32/f1/other/usb_dfu/usbdfu.ld
new file mode 100644
index 0000000..6a01797
--- /dev/null
+++ b/examples/stm32/f1/other/usb_dfu/usbdfu.ld
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 8K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 4K
+}
+
+/* Include the common ld script. */
+INCLUDE libopencm3_stm32f1.ld
+
diff --git a/examples/stm32/f1/other/usb_hid/Makefile b/examples/stm32/f1/other/usb_hid/Makefile
new file mode 100644
index 0000000..d831e9e
--- /dev/null
+++ b/examples/stm32/f1/other/usb_hid/Makefile
@@ -0,0 +1,23 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+
+BINARY = usbhid
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/other/usb_hid/README b/examples/stm32/f1/other/usb_hid/README
new file mode 100644
index 0000000..92645c9
--- /dev/null
+++ b/examples/stm32/f1/other/usb_hid/README
@@ -0,0 +1,7 @@
+------------------------------------------------------------------------------
+README
+------------------------------------------------------------------------------
+
+This example implements a USB Human Interface Device (HID)
+to demonstrate the use of the USB device stack.
+
diff --git a/examples/stm32/f1/other/usb_hid/usbhid.c b/examples/stm32/f1/other/usb_hid/usbhid.c
new file mode 100644
index 0000000..7c0186e
--- /dev/null
+++ b/examples/stm32/f1/other/usb_hid/usbhid.c
@@ -0,0 +1,272 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <libopencm3/stm32/f1/rcc.h>
+#include <libopencm3/stm32/f1/gpio.h>
+#include <libopencm3/stm32/systick.h>
+#include <libopencm3/usb/usbd.h>
+#include <libopencm3/usb/hid.h>
+
+/* Define this to include the DFU APP interface. */
+#define INCLUDE_DFU_INTERFACE
+
+#ifdef INCLUDE_DFU_INTERFACE
+#include <libopencm3/stm32/f1/scb.h>
+#include <libopencm3/usb/dfu.h>
+#endif
+
+const struct usb_device_descriptor dev = {
+ .bLength = USB_DT_DEVICE_SIZE,
+ .bDescriptorType = USB_DT_DEVICE,
+ .bcdUSB = 0x0200,
+ .bDeviceClass = 0,
+ .bDeviceSubClass = 0,
+ .bDeviceProtocol = 0,
+ .bMaxPacketSize0 = 64,
+ .idVendor = 0x0483,
+ .idProduct = 0x5710,
+ .bcdDevice = 0x0200,
+ .iManufacturer = 1,
+ .iProduct = 2,
+ .iSerialNumber = 3,
+ .bNumConfigurations = 1,
+};
+
+/* I have no idea what this means. I haven't read the HID spec. */
+static const u8 hid_report_descriptor[] = {
+ 0x05, 0x01, 0x09, 0x02, 0xA1, 0x01, 0x09, 0x01,
+ 0xA1, 0x00, 0x05, 0x09, 0x19, 0x01, 0x29, 0x03,
+ 0x15, 0x00, 0x25, 0x01, 0x95, 0x03, 0x75, 0x01,
+ 0x81, 0x02, 0x95, 0x01, 0x75, 0x05, 0x81, 0x01,
+ 0x05, 0x01, 0x09, 0x30, 0x09, 0x31, 0x09, 0x38,
+ 0x15, 0x81, 0x25, 0x7F, 0x75, 0x08, 0x95, 0x03,
+ 0x81, 0x06, 0xC0, 0x09, 0x3c, 0x05, 0xff, 0x09,
+ 0x01, 0x15, 0x00, 0x25, 0x01, 0x75, 0x01, 0x95,
+ 0x02, 0xb1, 0x22, 0x75, 0x06, 0x95, 0x01, 0xb1,
+ 0x01, 0xc0
+};
+
+static const struct {
+ struct usb_hid_descriptor hid_descriptor;
+ struct {
+ u8 bReportDescriptorType;
+ u16 wDescriptorLength;
+ } __attribute__((packed)) hid_report;
+} __attribute__((packed)) hid_function = {
+ .hid_descriptor = {
+ .bLength = sizeof(hid_function),
+ .bDescriptorType = USB_DT_HID,
+ .bcdHID = 0x0100,
+ .bCountryCode = 0,
+ .bNumDescriptors = 1,
+ },
+ .hid_report = {
+ .bReportDescriptorType = USB_DT_REPORT,
+ .wDescriptorLength = sizeof(hid_report_descriptor),
+ }
+};
+
+const struct usb_endpoint_descriptor hid_endpoint = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 0x81,
+ .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
+ .wMaxPacketSize = 4,
+ .bInterval = 0x20,
+};
+
+const struct usb_interface_descriptor hid_iface = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bAlternateSetting = 0,
+ .bNumEndpoints = 1,
+ .bInterfaceClass = USB_CLASS_HID,
+ .bInterfaceSubClass = 1, /* boot */
+ .bInterfaceProtocol = 2, /* mouse */
+ .iInterface = 0,
+
+ .endpoint = &hid_endpoint,
+
+ .extra = &hid_function,
+ .extralen = sizeof(hid_function),
+};
+
+#ifdef INCLUDE_DFU_INTERFACE
+const struct usb_dfu_descriptor dfu_function = {
+ .bLength = sizeof(struct usb_dfu_descriptor),
+ .bDescriptorType = DFU_FUNCTIONAL,
+ .bmAttributes = USB_DFU_CAN_DOWNLOAD | USB_DFU_WILL_DETACH,
+ .wDetachTimeout = 255,
+ .wTransferSize = 1024,
+ .bcdDFUVersion = 0x011A,
+};
+
+const struct usb_interface_descriptor dfu_iface = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 1,
+ .bAlternateSetting = 0,
+ .bNumEndpoints = 0,
+ .bInterfaceClass = 0xFE,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 1,
+ .iInterface = 0,
+
+ .extra = &dfu_function,
+ .extralen = sizeof(dfu_function),
+};
+#endif
+
+const struct usb_interface ifaces[] = {{
+ .num_altsetting = 1,
+ .altsetting = &hid_iface,
+#ifdef INCLUDE_DFU_INTERFACE
+}, {
+ .num_altsetting = 1,
+ .altsetting = &dfu_iface,
+#endif
+}};
+
+const struct usb_config_descriptor config = {
+ .bLength = USB_DT_CONFIGURATION_SIZE,
+ .bDescriptorType = USB_DT_CONFIGURATION,
+ .wTotalLength = 0,
+#ifdef INCLUDE_DFU_INTERFACE
+ .bNumInterfaces = 2,
+#else
+ .bNumInterfaces = 1,
+#endif
+ .bConfigurationValue = 1,
+ .iConfiguration = 0,
+ .bmAttributes = 0xC0,
+ .bMaxPower = 0x32,
+
+ .interface = ifaces,
+};
+
+static const char *usb_strings[] = {
+ "x",
+ "Black Sphere Technologies",
+ "HID Demo",
+ "DEMO",
+};
+
+static int hid_control_request(struct usb_setup_data *req, u8 **buf, u16 *len,
+ void (**complete)(struct usb_setup_data *req))
+{
+ (void)complete;
+
+ if((req->bmRequestType != 0x81) ||
+ (req->bRequest != USB_REQ_GET_DESCRIPTOR) ||
+ (req->wValue != 0x2200))
+ return 0;
+
+ /* Handle the HID report descriptor */
+ *buf = (u8*)hid_report_descriptor;
+ *len = sizeof(hid_report_descriptor);
+
+ return 1;
+}
+
+#ifdef INCLUDE_DFU_INTERFACE
+static void dfu_detach_complete(struct usb_setup_data *req)
+{
+ (void)req;
+
+ gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO15);
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO10);
+ gpio_set(GPIOA, GPIO10);
+ scb_reset_core();
+}
+
+static int dfu_control_request(struct usb_setup_data *req, u8 **buf, u16 *len,
+ void (**complete)(struct usb_setup_data *req))
+{
+ (void)buf;
+ (void)len;
+
+ if((req->bmRequestType != 0x21) || (req->bRequest != DFU_DETACH))
+ return 0; /* Only accept class request */
+
+ *complete = dfu_detach_complete;
+
+ return 1;
+}
+#endif
+
+static void hid_set_config(u16 wValue)
+{
+ (void)wValue;
+
+ usbd_ep_setup(0x81, USB_ENDPOINT_ATTR_INTERRUPT, 4, NULL);
+
+ usbd_register_control_callback(
+ USB_REQ_TYPE_STANDARD | USB_REQ_TYPE_INTERFACE,
+ USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
+ hid_control_request);
+#ifdef INCLUDE_DFU_INTERFACE
+ usbd_register_control_callback(
+ USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
+ USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
+ dfu_control_request);
+#endif
+
+ systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
+ systick_set_reload(100000);
+ systick_interrupt_enable();
+ systick_counter_enable();
+}
+
+int main(void)
+{
+ rcc_clock_setup_in_hsi_out_48mhz();
+
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
+
+ AFIO_MAPR |= AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_ON;
+ gpio_set_mode(GPIOA, GPIO_MODE_INPUT, 0, GPIO15);
+
+ usbd_init(&stm32f103_usb_driver, &dev, &config, usb_strings);
+ usbd_register_set_config_callback(hid_set_config);
+
+ gpio_set(GPIOA, GPIO15);
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO15);
+
+ while (1)
+ usbd_poll();
+}
+
+void sys_tick_handler(void)
+{
+ static int x = 0;
+ static int dir = 1;
+ u8 buf[4] = {0, 0, 0, 0};
+
+ buf[1] = dir;
+ x += dir;
+ if(x > 30) dir = -dir;
+ if(x < -30) dir = -dir;
+
+ usbd_ep_write_packet(0x81, buf, 4);
+}
diff --git a/examples/stm32/f1/other/usb_hid/usbhid.ld b/examples/stm32/f1/other/usb_hid/usbhid.ld
new file mode 100644
index 0000000..3cd6316
--- /dev/null
+++ b/examples/stm32/f1/other/usb_hid/usbhid.ld
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Define memory regions. */
+MEMORY
+{
+ rom (rx) : ORIGIN = 0x08000000, LENGTH = 64K
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
+}
+
+/* Include the common ld script. */
+INCLUDE libopencm3_stm32f1.ld
+