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authorPiotr Esden-Tempski2012-02-21 16:12:29 -0800
committerPiotr Esden-Tempski2012-02-21 16:12:29 -0800
commit1c5dfd9d224c5baa259edafeaa130b4094dbde2c (patch)
tree955b2224b535900455b707fa1ecb28e73183552b /examples/stm32/f1/lisa-m-2
parentc654b2199a076da59e5cc71009c9d26ba9dbdeae (diff)
Added fancyblink for lisa/m V2
Diffstat (limited to 'examples/stm32/f1/lisa-m-2')
-rw-r--r--examples/stm32/f1/lisa-m-2/fancyblink/Makefile25
-rw-r--r--examples/stm32/f1/lisa-m-2/fancyblink/fancyblink.c148
-rw-r--r--examples/stm32/f1/lisa-m-2/lisa-m.ld31
3 files changed, 204 insertions, 0 deletions
diff --git a/examples/stm32/f1/lisa-m-2/fancyblink/Makefile b/examples/stm32/f1/lisa-m-2/fancyblink/Makefile
new file mode 100644
index 0000000..52f5d95
--- /dev/null
+++ b/examples/stm32/f1/lisa-m-2/fancyblink/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 = fancyblink
+
+LDSCRIPT = ../lisa-m.ld
+
+include ../../Makefile.include
+
diff --git a/examples/stm32/f1/lisa-m-2/fancyblink/fancyblink.c b/examples/stm32/f1/lisa-m-2/fancyblink/fancyblink.c
new file mode 100644
index 0000000..730850d
--- /dev/null
+++ b/examples/stm32/f1/lisa-m-2/fancyblink/fancyblink.c
@@ -0,0 +1,148 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2011 Piotr Esden-Tempski <piotr@esden.net>
+ *
+ * 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>
+
+/* Set STM32 to 72 MHz. */
+void clock_setup(void)
+{
+ rcc_clock_setup_in_hse_12mhz_out_72mhz();
+
+ /* Enable GPIOA, GPIOB, GPIOC, and AFIO clocks. */
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
+ rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
+}
+
+void gpio_setup(void)
+{
+ /* LED1 */
+ /* Set GPIO8 (in GPIO port A) to 'output push-pull'. */
+ gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO8);
+
+ /* LED2 */
+ /* Set GPIO15 (in GPIO port C) to 'output push-pull'. */
+ gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO15);
+
+ /* JTAG_TRST */
+ /* Set GPIO4 (in GPIO port B) to 'output push-pull'. */
+ gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO4);
+
+ AFIO_MAPR |= AFIO_MAPR_SWJ_CFG_FULL_SWJ_NO_JNTRST;
+
+ /* ADC4 */
+ /* Set GPIO5 (in GPIO port C) to 'output push-pull'. */
+ gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO5);
+
+ /* ADC6 */
+ /* Set GPIO2 (in GPIO port C) to 'output push-pull'. */
+ gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
+ GPIO_CNF_OUTPUT_PUSHPULL, GPIO2);
+
+ /* Preconfigure the LEDs. */
+ gpio_set(GPIOA, GPIO8);
+ gpio_set(GPIOC, GPIO15);
+ gpio_set(GPIOB, GPIO4);
+ gpio_set(GPIOC, GPIO5);
+ gpio_set(GPIOC, GPIO2);
+}
+
+void led_set(int id, int on)
+{
+ if (on) {
+ switch (id) {
+ case 0:
+ gpio_clear(GPIOA, GPIO8); /* LED1 On */
+ break;
+ case 1:
+ gpio_clear(GPIOB, GPIO4); /* JTAG_TRST On */
+ break;
+ case 2:
+ gpio_clear(GPIOC, GPIO2); /* ADC6 On */
+ break;
+ case 3:
+ gpio_clear(GPIOC, GPIO5); /* ADC4 On */
+ break;
+ case 4:
+ gpio_clear(GPIOC, GPIO15); /* LED2 On */
+ break;
+ }
+ } else {
+ switch (id) {
+ case 0:
+ gpio_set(GPIOA, GPIO8); /* LED1 On */
+ break;
+ case 1:
+ gpio_set(GPIOB, GPIO4); /* JTAG_TRST On */
+ break;
+ case 2:
+ gpio_set(GPIOC, GPIO2); /* ADC6 On */
+ break;
+ case 3:
+ gpio_set(GPIOC, GPIO5); /* ADC4 On */
+ break;
+ case 4:
+ gpio_set(GPIOC, GPIO15); /* LED2 On */
+ break;
+ }
+ }
+}
+
+void led_advance(void)
+{
+ static int state = 0;
+
+ if (state < 5) {
+ led_set(state, 1);
+ } else if (state < 10) {
+ led_set(state - 5, 0);
+ } else if (state < 15) {
+ led_set(14 - state, 1);
+ } else if (state < 20) {
+ led_set(19 - state, 0);
+ }
+
+ state++;
+ if(state == 20) state = 0;
+
+}
+
+int main(void)
+{
+ int i;
+
+ clock_setup();
+ gpio_setup();
+
+ /* Blink the LEDs (PC13 and PB4) on the board. */
+ while (1) {
+ led_advance();
+ for (i = 0; i < 800000; i++) /* Wait a bit. */
+ __asm__("nop");
+ }
+
+ return 0;
+}
diff --git a/examples/stm32/f1/lisa-m-2/lisa-m.ld b/examples/stm32/f1/lisa-m-2/lisa-m.ld
new file mode 100644
index 0000000..5630c9b
--- /dev/null
+++ b/examples/stm32/f1/lisa-m-2/lisa-m.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 Lisa-M (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
+