Jack Hansdampf
/
TIM2_IRQ_F401
Testprogramm für Hardwaretimer TIM2 und TIM3 mit Nucleo-F401RE
Revision 3:b0716d14c3bf, committed 2021-10-14
- Comitter:
- jack1930
- Date:
- Thu Oct 14 10:10:33 2021 +0000
- Parent:
- 2:a5ee88ab46b2
- Commit message:
- F401
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Thu Nov 12 13:28:29 2020 +0000 +++ b/main.cpp Thu Oct 14 10:10:33 2021 +0000 @@ -10,62 +10,69 @@ PC2=!PC2; } -void TIM6_IRQHandler(void) +void TIM2_IRQHandler(void) { myled=!myled; - TIM6->SR=0; - HAL_NVIC_ClearPendingIRQ(TIM6_IRQn); + TIM2->SR=0; + HAL_NVIC_ClearPendingIRQ(TIM2_IRQn); } -void TIM7_IRQHandler(void) +void TIM3_IRQHandler(void) { myled2=!myled2; - TIM7->SR=0; - HAL_NVIC_ClearPendingIRQ(TIM7_IRQn); + TIM3->SR=0; + HAL_NVIC_ClearPendingIRQ(TIM3_IRQn); } InterruptIn PA1(PA_1); +void EX1init(void); + + +void NVIC_Init(void) +{ + /* TIM2_IRQn interrupt configuration */ + NVIC_SetVector(TIM2_IRQn, (uint32_t)&TIM2_IRQHandler); + HAL_NVIC_EnableIRQ(TIM2_IRQn); + /* TIM3_IRQn interrupt configuration */ + NVIC_SetVector(TIM3_IRQn, (uint32_t)&TIM3_IRQHandler); + HAL_NVIC_EnableIRQ(TIM3_IRQn); +} + +/* TIM2 init function */ +void TIM2_Init(void) +{ + RCC->APB1ENR|=0b00001; //Clock Enable + TIM2->PSC=3199; //Prescaler 100µs + TIM2->ARR=5000; //Autoreload 5000*100µs = 0,5s + TIM2->DIER=1; //UIE = 1 (Update Interrupt Enable) + TIM2->SR=0; //UIF =0 (Update Interrupt Flag) + TIM2->CR1=1; //CEN=1 (Counter Enable) +} +void TIM3_Init(void); + + + +int main() +{ + TIM2_Init(); + TIM3_Init(); + EX1init(); + NVIC_Init(); + while(1) { + } + +} + void EX1init(void) { PA1.rise(&EX1IRQhandler); PA1.mode(PullDown); } -void NVIC_Init(void) -{ - /* TIM6_IRQn interrupt configuration */ - NVIC_SetVector(TIM6_IRQn, (uint32_t)&TIM6_IRQHandler); - HAL_NVIC_EnableIRQ(TIM6_IRQn); - /* TIM7_IRQn interrupt configuration */ - NVIC_SetVector(TIM7_IRQn, (uint32_t)&TIM7_IRQHandler); - HAL_NVIC_EnableIRQ(TIM7_IRQn); -} - -/* TIM6 init function */ -void TIM6_Init(void) +void TIM3_Init(void) { - RCC->APB1ENR|=0b10000; //Clock Enable - TIM6->PSC=3199; //Prescaler 100µs - TIM6->ARR=5000; //Autoreload 5000*100µs = 0,5s - TIM6->DIER=1; //UIE = 1 (Update Interrupt Enable) - TIM6->SR=0; //UIF =0 (Update Interrupt Flag) - TIM6->CR1=1; //CEN=1 (Counter Enable) -} -void TIM7_Init(void) -{ - RCC->APB1ENR|=0b100000; //Clock Enable - TIM7->PSC=3199; //Prescaler 100µs - TIM7->ARR=15000; //Autoreload 15000*100µs = 1,5s - TIM7->DIER=1; //UIE = 1 (Update Interrupt Enable) - TIM7->SR=0; //UIF =0 (Update Interrupt Flag) - TIM7->CR1=1; //CEN=1 (Counter Enable) -} - -int main() -{ - TIM6_Init(); - TIM7_Init(); - EX1init(); - NVIC_Init(); - while(1) { - } - + RCC->APB1ENR|=0b000010; //Clock Enable + TIM3->PSC=3199; //Prescaler 100µs + TIM3->ARR=15000; //Autoreload 15000*100µs = 1,5s + TIM3->DIER=1; //UIE = 1 (Update Interrupt Enable) + TIM3->SR=0; //UIF =0 (Update Interrupt Flag) + TIM3->CR1=1; //CEN=1 (Counter Enable) } \ No newline at end of file