HI,
I am using STM32L152 on IAR V8.11.2
setup an interrupt IRQ but it does not seem compile since it do not exist in the map file.
once NVIC_EnableIRQ execute, program will halt into BusFault_Handler
Thanks!
/* Includes ------------------------------------------------------------------*/
#include <stddef.h>
#include "stm32l1xx.h"
#include "stdarg.h"
#include "stdlib.h"
#include "stdio.h"
#include "stm32l1xx_rcc.h"
#include "stm32l1xx_gpio.h"
#include "stm32l1xx_tim.h"
#include "stm32l1xx_syscfg.h"
#include "stm32l1xx_usart.h"
#include "stm32l1xx_pwr.h"
#include "misc.h"
#ifdef __cplusplus
extern "C" {
#endif
void TIM3_IRQHandler(void);
#ifdef __cplusplus
}
#endif
//=============================================================================
// TIM3 Interrupt Handler
//=============================================================================
void TIM3_IRQHandler(void)
{
if(TIM3->SR & TIM_SR_UIF) // if UIF flag is set
{
TIM3->SR &= ~TIM_SR_UIF; // clear UIF flag
}
}
/* Includes ------------------------------------------------------------------*/
#include <stddef.h>
#include "stm32l1xx.h"
#include "stdarg.h"
#include "stdlib.h"
#include "stdio.h"
#include "stm32l1xx_rcc.h"
#include "stm32l1xx_gpio.h"
#include "stm32l1xx_tim.h"
#include "stm32l1xx_syscfg.h"
#include "stm32l1xx_usart.h"
#include "stm32l1xx_pwr.h"
#include "misc.h"
int main()
{
/* reset rcc */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
// RCC->APB1ENR |= RCC_APB1ENR_TIM3EN;
TIM3->PSC = 23999; // Set prescaler to 24 000 (PSC + 1)
TIM3->ARR = 1000; // Auto reload value 1000
TIM3->DIER = TIM_DIER_UIE; // Enable update interrupt (timer level)
TIM3->CR1 = TIM_CR1_CEN; // Enable timer
NVIC_EnableIRQ(TIM3_IRQn); // Enable interrupt from TIM3 (NVIC level
while(1)
{
}
}
