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- #include "stm32f4xx.h"
- #include "stm32f4_discovery.h"
- int a = 0;
- int b = 0;
- int c = 0;
- void TIM5_IRQHandler(void) {
- if(TIM_GetITStatus(TIM5, TIM_IT_Update) != RESET) {
- if(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_1) == 1 && a == 0) {
- a = 1;
- TIM_Cmd(TIM3, ENABLE);
- for(int i = 0;i<100000;i++);
- }
- if(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_1) == 1 && a == 1) {
- a = 0;
- TIM_Cmd(TIM3, DISABLE);
- for(int i = 0;i<100000;i++);
- }
- if(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_2) == 1 && b == 0) {
- b = 1;
- TIM_Cmd(TIM2, ENABLE);
- for(int i = 0;i<100000;i++);
- }
- if(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_2) == 1 && b == 1) {
- b = 0;
- TIM_Cmd(TIM2, DISABLE);
- for(int i = 0;i<100000;i++);
- }
- if(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_3) == 1 && c == 0) {
- c = 1;
- TIM_Cmd(TIM4, ENABLE);
- for(int i = 0;i<100000;i++);
- }
- if(GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_3) == 1 && c == 1) {
- c = 0;
- TIM_Cmd(TIM4, DISABLE);
- for(int i = 0;i<100000;i++);
- }
- TIM_ClearITPendingBit(TIM5, TIM_IT_Update);
- }
- }
- void TIM3_IRQHandler(void) {
- if(TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET) {
- GPIO_ToggleBits(GPIOE, GPIO_Pin_8);
- for(int i = 0;i<100000;i++);
- TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
- }
- }
- void TIM2_IRQHandler(void) {
- if(TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET) {
- GPIO_ToggleBits(GPIOE, GPIO_Pin_10);
- for(int i = 0;i<100000;i++);
- TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
- }
- }
- void TIM4_IRQHandler(void) {
- if(TIM_GetITStatus(TIM4, TIM_IT_Update) != RESET) {
- GPIO_ToggleBits(GPIOE, GPIO_Pin_11);
- for(int i = 0;i<100000;i++);
- TIM_ClearITPendingBit(TIM4, TIM_IT_Update);
- }
- }
- int main(void) {
- RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE); // buttons
- RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE); // buttons
- GPIO_InitTypeDef GPIO_BUTTONS;
- GPIO_BUTTONS.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;
- GPIO_BUTTONS.GPIO_Mode = GPIO_Mode_IN;
- GPIO_BUTTONS.GPIO_OType = GPIO_OType_PP;
- GPIO_BUTTONS.GPIO_Speed = GPIO_Speed_100MHz;
- GPIO_BUTTONS.GPIO_PuPd = GPIO_PuPd_DOWN;
- GPIO_Init(GPIOA, &GPIO_BUTTONS);
- //tim3
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
- TIM_TimeBaseStructure.TIM_Period = 9999;
- TIM_TimeBaseStructure.TIM_Prescaler = 2099;
- TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
- TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
- TIM_Cmd(TIM3, DISABLE);
- //przerwania tim3
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
- NVIC_InitTypeDef NVIC_InitStructure3;
- NVIC_InitStructure3.NVIC_IRQChannel = TIM3_IRQn;
- NVIC_InitStructure3.NVIC_IRQChannelPreemptionPriority = 0x00;
- NVIC_InitStructure3.NVIC_IRQChannelSubPriority = 0x00;
- NVIC_InitStructure3.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure3);
- TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
- TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
- //tim5
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE);
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure9;
- TIM_TimeBaseStructure9.TIM_Period = 99;
- TIM_TimeBaseStructure9.TIM_Prescaler = 84;
- TIM_TimeBaseStructure9.TIM_ClockDivision = TIM_CKD_DIV1;
- TIM_TimeBaseStructure9.TIM_CounterMode = TIM_CounterMode_Up;
- TIM_TimeBaseInit(TIM5, &TIM_TimeBaseStructure9);
- TIM_Cmd(TIM5, ENABLE);
- //przerwania tim5
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
- NVIC_InitTypeDef NVIC_InitStructure9;
- NVIC_InitStructure9.NVIC_IRQChannel = TIM5_IRQn;
- NVIC_InitStructure9.NVIC_IRQChannelPreemptionPriority = 0x00;
- NVIC_InitStructure9.NVIC_IRQChannelSubPriority = 0x00;
- NVIC_InitStructure9.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure9);
- TIM_ClearITPendingBit(TIM5, TIM_IT_Update);
- TIM_ITConfig(TIM5, TIM_IT_Update, ENABLE);
- //tim3
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure2;
- TIM_TimeBaseStructure2.TIM_Period = 9999;
- TIM_TimeBaseStructure2.TIM_Prescaler = 2099;
- TIM_TimeBaseStructure2.TIM_ClockDivision = TIM_CKD_DIV1;
- TIM_TimeBaseStructure2.TIM_CounterMode = TIM_CounterMode_Up;
- TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure2);
- TIM_Cmd(TIM3, DISABLE);
- //przerwania tim3
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); // timer 3
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
- NVIC_InitTypeDef NVIC_InitStructure2;
- NVIC_InitStructure2.NVIC_IRQChannel = TIM3_IRQn;
- NVIC_InitStructure2.NVIC_IRQChannelPreemptionPriority = 0x00;
- NVIC_InitStructure2.NVIC_IRQChannelSubPriority = 0x00;
- NVIC_InitStructure2.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure2);
- TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
- TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
- //TIM2
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure3;
- TIM_TimeBaseStructure3.TIM_Period = 9999;
- TIM_TimeBaseStructure3.TIM_Prescaler = 2099;
- TIM_TimeBaseStructure3.TIM_ClockDivision = TIM_CKD_DIV1;
- TIM_TimeBaseStructure3.TIM_CounterMode = TIM_CounterMode_Up;
- TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure2);
- TIM_Cmd(TIM2, DISABLE);
- //przerwania tim3
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); // timer 3
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
- NVIC_InitTypeDef NVIC_InitStructure6;
- NVIC_InitStructure6.NVIC_IRQChannel = TIM2_IRQn;
- NVIC_InitStructure6.NVIC_IRQChannelPreemptionPriority = 0x00;
- NVIC_InitStructure6.NVIC_IRQChannelSubPriority = 0x00;
- NVIC_InitStructure6.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure6);
- TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
- TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
- //tim4
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure4;
- TIM_TimeBaseStructure4.TIM_Period = 9999;
- TIM_TimeBaseStructure4.TIM_Prescaler = 2099;
- TIM_TimeBaseStructure4.TIM_ClockDivision = TIM_CKD_DIV1;
- TIM_TimeBaseStructure4.TIM_CounterMode = TIM_CounterMode_Up;
- TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure4);
- TIM_Cmd(TIM4, DISABLE);
- //przerwania tim3
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE); // timer 3
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
- NVIC_InitTypeDef NVIC_InitStructure4;
- NVIC_InitStructure4.NVIC_IRQChannel = TIM4_IRQn;
- NVIC_InitStructure4.NVIC_IRQChannelPreemptionPriority = 0x00;
- NVIC_InitStructure4.NVIC_IRQChannelSubPriority = 0x00;
- NVIC_InitStructure4.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure4);
- TIM_ClearITPendingBit(TIM4, TIM_IT_Update);
- TIM_ITConfig(TIM4, TIM_IT_Update, ENABLE);
- GPIO_InitTypeDef GPIO_InitStructure;
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
- GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
- GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
- GPIO_Init(GPIOE, &GPIO_InitStructure);
- GPIO_SetBits(GPIOE, GPIO_Pin_4);
- GPIO_SetBits(GPIOE, GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10);
- for(;;) {
- }
- }
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