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-rw-r--r--examples/stm32f1/stm32-discovery/rtc/Makefile23
-rw-r--r--examples/stm32f1/stm32-discovery/rtc/README9
-rw-r--r--examples/stm32f1/stm32-discovery/rtc/rtc.c129
-rw-r--r--examples/stm32f1/stm32-discovery/rtc/rtc.ld31
4 files changed, 0 insertions, 192 deletions
diff --git a/examples/stm32f1/stm32-discovery/rtc/Makefile b/examples/stm32f1/stm32-discovery/rtc/Makefile
deleted file mode 100644
index 1efa7ac..0000000
--- a/examples/stm32f1/stm32-discovery/rtc/Makefile
+++ /dev/null
@@ -1,23 +0,0 @@
-##
-## 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/stm32f1/stm32-discovery/rtc/README b/examples/stm32f1/stm32-discovery/rtc/README
deleted file mode 100644
index d4509e4..0000000
--- a/examples/stm32f1/stm32-discovery/rtc/README
+++ /dev/null
@@ -1,9 +0,0 @@
-------------------------------------------------------------------------------
-README
-------------------------------------------------------------------------------
-
-This is a small RTC example project.
-
-It blinks the ST STM32VLDISCOVERY's blue LED at 1Hz, and sends the value of
-the RTC counter register down the serial line (PA9) at 38400,8N1.
-
diff --git a/examples/stm32f1/stm32-discovery/rtc/rtc.c b/examples/stm32f1/stm32-discovery/rtc/rtc.c
deleted file mode 100644
index fa8a966..0000000
--- a/examples/stm32f1/stm32-discovery/rtc/rtc.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * This file is part of the libopencm3 project.
- *
- * Copyright (C) 2010 Lord James <lordjames@y7mail.com>
- * Copyright (C) 2011 Mark Panajotovic <marko@electrontube.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/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_24mhz();
-
- /* 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);
- /* TODO usart_set_baudrate() doesn't support 24MHz clock (yet). */
- /* This is the equivalent: */
- USART_BRR(USART1) = (u16)((24000000 << 4) / (38400 * 16));
-
- 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 GPIO8 (in GPIO port C) to 'output push-pull'. */
- /* This drives the blue LED on the STM32VLDISCOVERY. */
- gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
- GPIO_CNF_OUTPUT_PUSHPULL, GPIO8);
-}
-
-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, GPIO8);
-
- 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_blocking(USART1, '1');
- else
- usart_send_blocking(USART1, '0');
- }
- usart_send_blocking(USART1, '\n');
- usart_send_blocking(USART1, '\r');
-}
-
-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);
-
- /* The above mode will not reset the RTC when you press the RST button.
- * It will also continue to count while the MCU is held in reset. If
- * you want it to reset, comment out the above and use the following:
- */
- // rtc_awake_from_off(LSE);
- // rtc_set_prescale_val(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/stm32f1/stm32-discovery/rtc/rtc.ld b/examples/stm32f1/stm32-discovery/rtc/rtc.ld
deleted file mode 100644
index 157204a..0000000
--- a/examples/stm32f1/stm32-discovery/rtc/rtc.ld
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * 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 ST STM32VLDISCOVERY (STM32F100RB, 128K flash, 8K RAM). */
-
-/* Define memory regions. */
-MEMORY
-{
- rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
- ram (rwx) : ORIGIN = 0x20000000, LENGTH = 8K
-}
-
-/* Include the common ld script. */
-INCLUDE libopencm3_stm32f1.ld
-