/**
******************************************************************************
* @file GPIO/JTAG_Remap/main.c
* @author MCD Application Team
* @version V3.5.0
* @date 08-April-2011
* @brief Main program body
******************************************************************************
* @attention
*
* 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.
*
*
© COPYRIGHT 2011 STMicroelectronics
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stm32_eval.h"
/** @addtogroup STM32F10x_StdPeriph_Examples
* @{
*/
/** @addtogroup GPIO_JTAG_Remap
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
GPIO_InitTypeDef GPIO_InitStructure;
/* Private function prototypes -----------------------------------------------*/
void RCC_Configuration(void);
void Delay(__IO uint32_t nCount);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f10x_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f10x.c file
*/
/* Configure the system clocks */
RCC_Configuration();
/* Initialize LEDs and Key Button mounted on STM3210X-EVAL board */
STM_EVAL_LEDInit(LED1);
STM_EVAL_LEDInit(LED2);
STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_GPIO);
/* Test if Key Button GPIO Pin level is low (Key push-button on Eval Board pressed) */
if (STM_EVAL_PBGetState(BUTTON_KEY) == 0x00)
{ /* Key is pressed */
/* Turn on LED1 */
STM_EVAL_LEDOn(LED1);
/* Disable the Serial Wire Jtag Debug Port SWJ-DP */
GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable, ENABLE);
/* Configure PA.13 (JTMS/SWDAT), PA.14 (JTCK/SWCLK) and PA.15 (JTDI) as
output push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* Configure PB.03 (JTDO) and PB.04 (JTRST) as output push-pull */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4;
GPIO_Init(GPIOB, &GPIO_InitStructure);
while (1)
{
/* Toggle JTMS/SWDAT pin */
GPIO_WriteBit(GPIOA, GPIO_Pin_13, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOA, GPIO_Pin_13)));
/* Insert delay */
Delay(0x5FFFF);
/* Toggle JTCK/SWCLK pin */
GPIO_WriteBit(GPIOA, GPIO_Pin_14, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOA, GPIO_Pin_14)));
/* Insert delay */
Delay(0x5FFFF);
/* Toggle JTDI pin */
GPIO_WriteBit(GPIOA, GPIO_Pin_15, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOA, GPIO_Pin_15)));
/* Insert delay */
Delay(0x5FFFF);
/* Toggle JTDO pin */
GPIO_WriteBit(GPIOB, GPIO_Pin_3, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOB, GPIO_Pin_3)));
/* Insert delay */
Delay(0x5FFFF);
/* Toggle JTRST pin */
GPIO_WriteBit(GPIOB, GPIO_Pin_4, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOB, GPIO_Pin_4)));
/* Insert delay */
Delay(0x5FFFF);
}
}
else
{
/* Turn on LED2 */
STM_EVAL_LEDOn(LED2);
while (1)
{
}
}
}
/**
* @brief Configures the different system clocks.
* @param None
* @retval None
*/
void RCC_Configuration(void)
{
/* Enable GPIOA, GPIOB, RCC_APB2Periph_GPIO_KEY_BUTTON and AFIO clocks */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
RCC_APB2Periph_AFIO, ENABLE);
}
/**
* @brief Inserts a delay time.
* @param nCount: specifies the delay time length.
* @retval None
*/
void Delay(__IO uint32_t nCount)
{
for(; nCount != 0; nCount--);
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t 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 2011 STMicroelectronics *****END OF FILE****/