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authoriperry <iperry@749a229e-a60e-11de-b98f-4500b42dc123>2009-12-17 02:46:08 +0000
committeriperry <iperry@749a229e-a60e-11de-b98f-4500b42dc123>2009-12-17 02:46:08 +0000
commita8aaabae4c1cc64a01d740a436336ca31c1f79ba (patch)
tree4d51c5bdfb180771adad613851f08e4931a26fd9 /src/stm32lib/examples/WWDG/main.c
parent32e57dac2e61e79b029593eb4d34d727bcc10678 (diff)
downloadlibrambutan-a8aaabae4c1cc64a01d740a436336ca31c1f79ba.tar.gz
librambutan-a8aaabae4c1cc64a01d740a436336ca31c1f79ba.zip
removed extraneous files, stm32lib examples
git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@70 749a229e-a60e-11de-b98f-4500b42dc123
Diffstat (limited to 'src/stm32lib/examples/WWDG/main.c')
-rwxr-xr-xsrc/stm32lib/examples/WWDG/main.c257
1 files changed, 0 insertions, 257 deletions
diff --git a/src/stm32lib/examples/WWDG/main.c b/src/stm32lib/examples/WWDG/main.c
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--- a/src/stm32lib/examples/WWDG/main.c
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-/******************** (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 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 WWDG reset */
- if (RCC_GetFlagStatus(RCC_FLAG_WWDGRST) != RESET)
- { /* WWDGRST flag set */
- /* Set GPIO_LED pin 6 */
- GPIO_SetBits(GPIO_LED, GPIO_Pin_6);
-
- /* Clear reset flags */
- RCC_ClearFlag();
- }
- else
- { /* WWDGRST 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();
-
- /* WWDG configuration */
- /* Enable WWDG clock */
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_WWDG, ENABLE);
-
- /* WWDG clock counter = (PCLK1/4096)/8 = 244 Hz (~4 ms) */
- WWDG_SetPrescaler(WWDG_Prescaler_8);
-
- /* Set Window value to 65 */
- WWDG_SetWindowValue(65);
-
- /* Enable WWDG and set counter value to 127, WWDG timeout = ~4 ms * 64 = 262 ms */
- WWDG_Enable(127);
-
- /* Clear EWI flag */
- WWDG_ClearFlag();
-
- /* Enable EW interrupt */
- WWDG_EnableIT();
-
- 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 */
- 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 : Configures NVIC and Vector Table base location.
-* 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
-
- /* 2 bits for Preemption Priority and 2 bits for Sub Priority */
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
-
- 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);
-
- NVIC_InitStructure.NVIC_IRQChannel = WWDG_IRQChannel;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
- NVIC_Init(&NVIC_InitStructure);
-}
-
-/*******************************************************************************
-* 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
-
-/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/