From a8aaabae4c1cc64a01d740a436336ca31c1f79ba Mon Sep 17 00:00:00 2001 From: iperry Date: Thu, 17 Dec 2009 02:46:08 +0000 Subject: removed extraneous files, stm32lib examples git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@70 749a229e-a60e-11de-b98f-4500b42dc123 --- src/stm32lib/examples/IWDG/main.c | 281 -------------------------------------- 1 file changed, 281 deletions(-) delete mode 100755 src/stm32lib/examples/IWDG/main.c (limited to 'src/stm32lib/examples/IWDG/main.c') diff --git a/src/stm32lib/examples/IWDG/main.c b/src/stm32lib/examples/IWDG/main.c deleted file mode 100755 index d2bc6c8..0000000 --- a/src/stm32lib/examples/IWDG/main.c +++ /dev/null @@ -1,281 +0,0 @@ -/******************** (C) COPYRIGHT 2008 STMicroelectronics ******************** -* File Name : main.c -* Author : MCD Application Team -* Version : V2.0.1 -* Date : 06/13/2008 -* Description : Main program body. -******************************************************************************** -* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS -* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. -* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, -* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE -* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING -* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. -*******************************************************************************/ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f10x_lib.h" -#include "platform_config.h" - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -ErrorStatus HSEStartUpStatus; - -/* Private function prototypes -----------------------------------------------*/ -void RCC_Configuration(void); -void NVIC_Configuration(void); -void GPIO_Configuration(void); -void EXTI_Configuration(void); -void SysTick_Configuration(void); -void Delay(vu32 nCount); - -/* Private functions ---------------------------------------------------------*/ -/******************************************************************************* -* Function Name : main -* Description : Main program. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -int main(void) -{ -#ifdef DEBUG - debug(); -#endif - - /* System Clocks Configuration */ - RCC_Configuration(); - - /* GPIO configuration */ - GPIO_Configuration(); - - /* Check if the system has resumed from IWDG reset */ - if (RCC_GetFlagStatus(RCC_FLAG_IWDGRST) != RESET) - {/* IWDGRST flag set */ - /* Set GPIO_LED pin 6 */ - GPIO_SetBits(GPIO_LED, GPIO_Pin_6); - - /* Clear reset flags */ - RCC_ClearFlag(); - } - else - {/* IWDGRST flag is not set */ - /* Reset GPIO_LED pin 6 */ - GPIO_ResetBits(GPIO_LED, GPIO_Pin_6); - } - - /* Configure Key Button EXTI Line to generate an interrupt on falling edge */ - EXTI_Configuration(); - - /* NVIC configuration */ - NVIC_Configuration(); - - /* Configure SysTick to generate an interrupt each 250ms */ - SysTick_Configuration(); - - /* IWDG timeout equal to 280 ms (the timeout may varies due to LSI frequency - dispersion) */ - /* Enable write access to IWDG_PR and IWDG_RLR registers */ - IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable); - - /* IWDG counter clock: 40KHz(LSI) / 32 = 1.25 KHz */ - IWDG_SetPrescaler(IWDG_Prescaler_32); - - /* Set counter reload value to 349 */ - IWDG_SetReload(349); - - /* Reload IWDG counter */ - IWDG_ReloadCounter(); - - /* Enable IWDG (the LSI oscillator will be enabled by hardware) */ - IWDG_Enable(); - - while (1) - {} -} - -/******************************************************************************* -* Function Name : RCC_Configuration -* Description : Configures the different system clocks. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -void RCC_Configuration(void) -{ - /* RCC system reset(for debug purpose) */ - RCC_DeInit(); - - /* Enable HSE */ - RCC_HSEConfig(RCC_HSE_ON); - - /* Wait till HSE is ready */ - HSEStartUpStatus = RCC_WaitForHSEStartUp(); - - if (HSEStartUpStatus == SUCCESS) - { - /* Enable Prefetch Buffer */ - FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); - - /* Flash 0 wait state */ - FLASH_SetLatency(FLASH_Latency_0); - - /* HCLK = SYSCLK */ - RCC_HCLKConfig(RCC_SYSCLK_Div1); - - /* PCLK2 = HCLK */ - RCC_PCLK2Config(RCC_HCLK_Div1); - - /* PCLK1 = HCLK */ - RCC_PCLK1Config(RCC_HCLK_Div1); - - /* Select HSE as system clock source */ - RCC_SYSCLKConfig(RCC_SYSCLKSource_HSE); - - /* Wait till HSE is used as system clock source */ - while (RCC_GetSYSCLKSource() != 0x04) - {} - } - - /* Enable Key Button GPIO Port, GPIO_LED and AFIO clock */ - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_KEY_BUTTON | RCC_APB2Periph_GPIO_LED - | RCC_APB2Periph_AFIO, ENABLE); -} - -/******************************************************************************* -* Function Name : GPIO_Configuration -* Description : Configures the different GPIO ports. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -void GPIO_Configuration(void) -{ - GPIO_InitTypeDef GPIO_InitStructure; - - /* Configure GPIO_LED pin 6 and pin 7 as Output push-pull */ - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; - GPIO_Init(GPIO_LED, &GPIO_InitStructure); - - /* Configure Key Button GPIO Pin as input floating (Key Button EXTI Line) */ - GPIO_InitStructure.GPIO_Pin = GPIO_PIN_KEY_BUTTON; - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; - GPIO_Init(GPIO_KEY_BUTTON, &GPIO_InitStructure); -} - -/******************************************************************************* -* Function Name : EXTI_Configuration -* Description : Configures EXTI Line9. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -void EXTI_Configuration(void) -{ - EXTI_InitTypeDef EXTI_InitStructure; - - /* Connect Key Button EXTI Line to Key Button GPIO Pin */ - GPIO_EXTILineConfig(GPIO_PORT_SOURCE_KEY_BUTTON, GPIO_PIN_SOURCE_KEY_BUTTON); - - /* Configure Key Button EXTI Line to generate an interrupt on falling edge */ - EXTI_ClearITPendingBit(EXTI_LINE_KEY_BUTTON); - EXTI_InitStructure.EXTI_Line = EXTI_LINE_KEY_BUTTON; - EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; - EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; - EXTI_InitStructure.EXTI_LineCmd = ENABLE; - EXTI_Init(&EXTI_InitStructure); -} - -/******************************************************************************* -* Function Name : NVIC_Configuration -* Description : Configure the nested vectored interrupt controller. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -void NVIC_Configuration(void) -{ - NVIC_InitTypeDef NVIC_InitStructure; - -#ifdef VECT_TAB_RAM - /* Set the Vector Table base location at 0x20000000 */ - NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0); -#else /* VECT_TAB_FLASH */ - /* Set the Vector Table base location at 0x08000000 */ - NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0); -#endif - - /* Configure one bit for preemption priority */ - NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1); - - /* Enable the EXTI9_5 Interrupt */ - NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQChannel; - NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; - NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; - NVIC_Init(&NVIC_InitStructure); - - /* Set SysTick interrupt vector Preemption Priority to 1 */ - NVIC_SystemHandlerPriorityConfig(SystemHandler_SysTick, 1, 0); -} - -/******************************************************************************* -* Function Name : Delay -* Description : Inserts a delay time. -* Input : nCount: specifies the delay time length. -* Output : None -* Return : None -*******************************************************************************/ -void Delay(vu32 nCount) -{ - for (; nCount != 0; nCount--); -} - -#ifdef DEBUG -/******************************************************************************* -* Function Name : assert_failed -* Description : Reports the name of the source file and the source line number -* where the assert_param error has occurred. -* Input : - file: pointer to the source file name -* - line: assert_param error line source number -* Output : None -* Return : None -*******************************************************************************/ -void assert_failed(u8* file, u32 line) -{ - /* User can add his own implementation to report the file name and line number, - ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ - - /* Infinite loop */ - while (1) - {} -} -#endif - -/******************************************************************************* -* Function Name : SysTick_Configuration -* Description : Configures SysTick to generate an interrupt each 250ms. -* Input : None -* Output : None -* Return : None -*******************************************************************************/ -void SysTick_Configuration(void) -{ - /* Select HCLK/8 as SysTick clock source */ - SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK_Div8); - - /* SysTick interrupt each 250ms with counter clock equal to 1MHz */ - SysTick_SetReload(250000); - - /* Enable the SysTick Counter */ - SysTick_CounterCmd(SysTick_Counter_Enable); - - /* Enable the SysTick Interrupt */ - SysTick_ITConfig(ENABLE); -} - -/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3