From 580d25a84baaa160b0afdc096e9aa1e8ca1c2d2b Mon Sep 17 00:00:00 2001 From: Stephen Caudle Date: Mon, 31 Oct 2011 00:16:37 -0400 Subject: Move STM32 example projects in family specific folders --- examples/stm32f1/obldc/systick/systick.c | 90 -------------------------------- 1 file changed, 90 deletions(-) delete mode 100644 examples/stm32f1/obldc/systick/systick.c (limited to 'examples/stm32f1/obldc/systick/systick.c') diff --git a/examples/stm32f1/obldc/systick/systick.c b/examples/stm32f1/obldc/systick/systick.c deleted file mode 100644 index 263230f..0000000 --- a/examples/stm32f1/obldc/systick/systick.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * This file is part of the libopencm3 project. - * - * Copyright (C) 2010 Thomas Otto - * Copyright (C) 2010 Piotr Esden-Tempski - * - * 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 . - */ - -#include -#include -#include -#include -#include - -u32 temp32; - -void gpio_setup(void) -{ - /* Enable GPIOA clock. */ - rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN); - - /* Enable GPIOB clock. */ - rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN); - - gpio_set(GPIOA, GPIO6); /* LED0 off */ - gpio_set(GPIOA, GPIO7); /* LED1 off */ - gpio_set(GPIOB, GPIO0); /* LED2 off */ - gpio_set(GPIOB, GPIO1); /* LED3 off */ - - /* Set GPIO6/7 (in GPIO port A) to 'output push-pull' for the LEDs. */ - gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ, - GPIO_CNF_OUTPUT_PUSHPULL, GPIO6); - gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ, - GPIO_CNF_OUTPUT_PUSHPULL, GPIO7); - - /* Set GPIO6/7 (in GPIO port B) to 'output push-pull' for the LEDs. */ - gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ, - GPIO_CNF_OUTPUT_PUSHPULL, GPIO0); - gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ, - GPIO_CNF_OUTPUT_PUSHPULL, GPIO1); -} - -void sys_tick_handler(void) -{ - temp32++; - - /* We call this handler every 1ms so 1000ms = 1s on/off. */ - if (temp32 == 1000) { - gpio_toggle(GPIOA, GPIO6); /* LED2 on/off */ - temp32 = 0; - } -} - -int main(void) -{ - rcc_clock_setup_in_hse_8mhz_out_72mhz(); - gpio_setup(); - - gpio_clear(GPIOA, GPIO7); /* LED1 on */ - gpio_set(GPIOA, 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; -} -- cgit v1.2.3