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First try exti, falied...
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@TheKK
TheKK committed Apr 13, 2014
1 parent b3b0398 commit 7eb2ffe
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Showing 3 changed files with 22 additions and 302 deletions.
310 changes: 16 additions & 294 deletions CORTEX_M4F_STM32F407ZG-SK/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -36,245 +36,26 @@
* @{
*/

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
extern uint8_t demoMode;

void RCC_Configuration(void)
{
/* --------------------------- System Clocks Configuration -----------------*/
/* USART1 clock enable */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
/* GPIOA clock enable */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
}

/**************************************************************************************/

void GPIO_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;

/*-------------------------- GPIO Configuration ----------------------------*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);

/* Connect USART pins to AF */
GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_USART1); // USART1_TX
GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_USART1); // USART1_RX
}

/**************************************************************************************/

void USART1_Configuration(void)
{
USART_InitTypeDef USART_InitStructure;

/* USARTx configuration ------------------------------------------------------*/
/* USARTx configured as follow:
* - BaudRate = 9600 baud
* - Word Length = 8 Bits
* - One Stop Bit
* - No parity
* - Hardware flow control disabled (RTS and CTS signals)
* - Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = 9600;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART1, &USART_InitStructure);
USART_Cmd(USART1, ENABLE);
}

void USART1_puts(char* s)
{
while(*s) {
while(USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);
USART_SendData(USART1, *s);
s++;
}
}

void itoa(uint32_t n, uint32_t base) {
volatile portCHAR buf[33] = {0};
volatile portCHAR *p = &buf[32];

if (n == 0)
*--p = '0';
else {
portCHAR *q;
volatile uint32_t num = n;

*--p = '\r';
*--p = '\n';

for (; num; num/=base)
*--p = "0123456789ABCDEF" [num % base];
}

USART1_puts( p );
}


/**************************************************************************************/
volatile uint32_t* i = 0;

void add (uint8_t mode)
{
static uint32_t num = 0;

if(mode == 1)
num = num + 1;
else{
itoa( num, 10 );
num = 0;
}

}

static void main1( void *pvParameters )
{
while( 1 ){
add( 1 );
add( 0 );
}
}

static void main2( void *pvParameters )
{

while( 1 ){
vTaskDelay( 1000 );


STM_EVAL_LEDToggle( LED4 );
add( 1 );
add( 0 );

}
}

static void main3( void *pvParameters )
{
vTaskDelay( 60000 );

STM_EVAL_LEDToggle( LED3 );
while( 1 ){

}
}

static void main4( void *pvParameters )
{
while( 1 ){
}
}


/*int main (void)*/
/*{*/
/*RCC_Configuration();*/
/*GPIO_Configuration();*/
/*USART1_Configuration();*/

/*STM_EVAL_PBInit( BUTTON_USER );*/
/*STM_EVAL_LEDInit( LED3 );*/
/*STM_EVAL_LEDInit( LED4 );*/
/*SysTick_Config( configCPU_CLOCK_HZ/1000 );*/

/*xTaskCreate( main1, (signed char*) "main1", 128, NULL, tskIDLE_PRIORITY + 1, NULL );*/
/*xTaskCreate( main2, (signed char*) "main2", 128, NULL, tskIDLE_PRIORITY + 2, NULL );*/
/*xTaskCreate( main3, (signed char*) "main3", 128, NULL, tskIDLE_PRIORITY + 3, NULL );*/
/*vTaskStartScheduler();*/
/*}*/

#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 STMicroelectronics *****END OF FILE****/

EXTI_InitTypeDef EXTI_InitStructure;
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
__IO uint32_t TimingDelay;
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void EXTILine0_Config(void);
static void EXTILine13_Config(void);

int main(void)
void Init()
{
/*!< At this stage the microcontroller clock setting is already configured,
* this is done through SystemInit() function which is called from startup
* files (startup_stm32f429_439xx.s) before to branch to application main.
* To reconfigure the default setting of SystemInit() function, refer to
* system_stm32f4xx.c file
* */

RCC_ClocksTypeDef RCC_Clocks;
/* SysTick end of count event each 1ms */
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 1000);
STM_EVAL_PBInit( BUTTON_USER, BUTTON_MODE_GPIO );

/* Initialize LEDs mounted on EVAL board */
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);

/* Put LED3 on */
STM_EVAL_LEDOn(LED3);

/* Configure EXTI Line0 (connected to PA0 pin) in interrupt mode */
EXTILine0_Config();

/* Configure EXTI Line13 (connected to PC13 pin) in interrupt mode */
EXTILine13_Config();

STM_EVAL_PBInit( BUTTON_USER, BUTTON_MODE_GPIO );

while (1)
{
/* Generate software interrupt: simulate a falling edge applied on EXTI0 line */
if( STM_EVAL_PBGetState( BUTTON_USER ) ){
EXTI_GenerateSWInterrupt(EXTI_Line13);
while( STM_EVAL_PBGetState( BUTTON_USER ) );
}

/*Delay(500);*/
}
/*USARTConfig();*/
}
static void EXTILine0_Config(void)

void EXTILine0_Config(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
Expand All @@ -297,7 +78,7 @@ static void EXTILine0_Config(void)
/* Configure EXTI Line0 */
EXTI_InitStructure.EXTI_Line = EXTI_Line0;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);

Expand All @@ -308,80 +89,21 @@ static void EXTILine0_Config(void)
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
static void EXTILine13_Config(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;

/* Enable GPIOC clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);

/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);

/* Configure PC13 pin as input floating */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_Init(GPIOC, &GPIO_InitStructure);

/* Connect EXTI Line15 to PC13 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource13);

/* Configure EXTI Line13 */
EXTI_InitStructure.EXTI_Line = EXTI_Line4;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);

/* Enable and set EXTI15_10 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

NVIC_Init(&NVIC_InitStructure);
}

/**
* * @brief Inserts a delay time.
* * @param nTime: specifies the delay time length, in 10 ms.
* * @retval None
* */
void Delay(__IO uint32_t nTime)
{
TimingDelay = nTime;

while(TimingDelay != 0);
}
void TimingDelay_Decrement(void)
static void Task1( void* pvParameters )
{
if (TimingDelay != 0x00)
{
TimingDelay--;
while( 1 ){
STM_EVAL_LEDToggle( LED3 );
vTaskDelay( 500 );
}
}

#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)
int
main( void )
{
/* 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) */
Init();

/* Infinite loop */
while (1)
{
}
}
#endif
xTaskCreate( Task1, (signed char*)"Task1", 128, NULL, tskIDLE_PRIORITY+1, NULL );

vTaskStartScheduler();
}
2 changes: 0 additions & 2 deletions CORTEX_M4F_STM32F407ZG-SK/main.h
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Original file line number Diff line number Diff line change
Expand Up @@ -34,11 +34,9 @@
#include "FreeRTOS.h"
#include "task.h"


/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */

#endif /* __MAIN_H */

Expand Down
12 changes: 6 additions & 6 deletions CORTEX_M4F_STM32F407ZG-SK/stm32f4xx_it.c
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Original file line number Diff line number Diff line change
Expand Up @@ -143,14 +143,14 @@ void SysTick_Handler(void)
{
}

void EXTI4_IRQHandler(void)
void EXTI0_IRQHandler(void)
{
STM_EVAL_LEDInit( LED3 )
if( EXTI_GetITStatus( EXTI_Line0 ) != RESET ){

for( uint8_t i = 0; i < 5; i++ ){
STM_EVAL_LEDToggle( LED3 );
vTaskDelay( 200 );
STM_EVAL_LEDToggl( LED4 );
}

EXTI_ClearITPendingBit( EXTI_Line0 );
}
/******************************************************************************/
/* STM32F4xx Peripherals Interrupt Handlers */
Expand All @@ -174,4 +174,4 @@ void EXTI4_IRQHandler(void)
*/


/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
/************************ (C) COPY(EXTI_Line15)IGHT STMicroelectronics *****END OF FILE****/

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