Edge trigger works

This commit is contained in:
Zychlix 2026-03-31 14:50:44 +02:00
parent 2511ea07ba
commit e96cff0d10
6 changed files with 75 additions and 12 deletions

View File

@ -1,2 +1,2 @@
<?xml version="1.0" encoding="UTF-8"?>
<module classpath="CIDR" type="CPP_MODULE" version="4" />
<module classpath="CMake" type="CPP_MODULE" version="4" />

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@ -57,6 +57,9 @@ void Error_Handler(void);
/* USER CODE END EFP */
/* Private defines -----------------------------------------------------------*/
#define PIN_Pin GPIO_PIN_1
#define PIN_GPIO_Port GPIOA
#define PIN_EXTI_IRQn EXTI1_IRQn
/* USER CODE BEGIN Private defines */

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@ -55,6 +55,7 @@ void SVC_Handler(void);
void DebugMon_Handler(void);
void PendSV_Handler(void);
void SysTick_Handler(void);
void EXTI1_IRQHandler(void);
void USB_LP_IRQHandler(void);
void TIM1_UP_TIM16_IRQHandler(void);
/* USER CODE BEGIN EFP */

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@ -66,11 +66,7 @@ int _write(int file, char *ptr, int len) {
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
uint32_t current_count = EXT_TIMER.Instance->CNT;
uint32_t difference = current_count-last_count;
last_count = current_count;
printf("%d\n", difference);
}
void USB_CDC_RxHandler(uint8_t* Buf, uint32_t Len)
@ -85,6 +81,34 @@ void USB_CDC_RxHandler(uint8_t* Buf, uint32_t Len)
}
uint32_t check_pin_state()
{
return HAL_GPIO_ReadPin(PIN_GPIO_Port, PIN_Pin);
}
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
uint32_t current_count = EXT_TIMER.Instance->CNT;
if (check_pin_state() )
{
// printf("RISING\n");
//Reset
last_count = current_count;
}
else
{
// printf("FALLING\n");
//Send
uint32_t difference = current_count-last_count;
printf("%d\n", difference);
}
}
void receive_handler();
/* USER CODE END PFP */
@ -295,6 +319,7 @@ static void MX_TIM2_Init(void)
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* USER CODE BEGIN MX_GPIO_Init_1 */
/* USER CODE END MX_GPIO_Init_1 */
@ -302,6 +327,16 @@ static void MX_GPIO_Init(void)
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/*Configure GPIO pin : PIN_Pin */
GPIO_InitStruct.Pin = PIN_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(PIN_GPIO_Port, &GPIO_InitStruct);
/* EXTI interrupt init*/
HAL_NVIC_SetPriority(EXTI1_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(EXTI1_IRQn);
/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
}

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@ -199,6 +199,20 @@ void SysTick_Handler(void)
/* please refer to the startup file (startup_stm32g4xx.s). */
/******************************************************************************/
/**
* @brief This function handles EXTI line1 interrupt.
*/
void EXTI1_IRQHandler(void)
{
/* USER CODE BEGIN EXTI1_IRQn 0 */
/* USER CODE END EXTI1_IRQn 0 */
HAL_GPIO_EXTI_IRQHandler(PIN_Pin);
/* USER CODE BEGIN EXTI1_IRQn 1 */
/* USER CODE END EXTI1_IRQn 1 */
}
/**
* @brief This function handles USB low priority interrupt remap.
*/

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@ -20,13 +20,14 @@ Mcu.Package=LQFP64
Mcu.Pin0=PF0-OSC_IN
Mcu.Pin1=PF1-OSC_OUT
Mcu.Pin2=PA0
Mcu.Pin3=PA11
Mcu.Pin4=PA12
Mcu.Pin5=VP_SYS_VS_Systick
Mcu.Pin6=VP_SYS_VS_DBSignals
Mcu.Pin7=VP_TIM1_VS_ClockSourceINT
Mcu.Pin8=VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS
Mcu.PinsNb=9
Mcu.Pin3=PA1
Mcu.Pin4=PA11
Mcu.Pin5=PA12
Mcu.Pin6=VP_SYS_VS_Systick
Mcu.Pin7=VP_SYS_VS_DBSignals
Mcu.Pin8=VP_TIM1_VS_ClockSourceINT
Mcu.Pin9=VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS
Mcu.PinsNb=10
Mcu.ThirdPartyNb=0
Mcu.UserConstants=
Mcu.UserName=STM32G474RETx
@ -34,6 +35,7 @@ MxCube.Version=6.9.1
MxDb.Version=DB.6.0.91
NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
NVIC.EXTI1_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
NVIC.ForceEnableDMAVector=true
NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
@ -47,6 +49,12 @@ NVIC.USB_LP_IRQn=true\:2\:0\:true\:false\:true\:false\:true\:true
NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
PA0.Locked=true
PA0.Signal=S_TIM2_ETR
PA1.GPIOParameters=GPIO_PuPd,GPIO_Label,GPIO_ModeDefaultEXTI
PA1.GPIO_Label=PIN
PA1.GPIO_ModeDefaultEXTI=GPIO_MODE_IT_RISING_FALLING
PA1.GPIO_PuPd=GPIO_PULLUP
PA1.Locked=true
PA1.Signal=GPXTI1
PA11.Mode=Device
PA11.Signal=USB_DM
PA12.Mode=Device
@ -139,6 +147,8 @@ RCC.USART3Freq_Value=150000000
RCC.USBFreq_Value=48000000
RCC.VCOInputFreq_Value=12500000
RCC.VCOOutputFreq_Value=300000000
SH.GPXTI1.0=GPIO_EXTI1
SH.GPXTI1.ConfNb=1
SH.S_TIM2_ETR.0=TIM2_ETR,ClockSourceETR_Mode2
SH.S_TIM2_ETR.ConfNb=1
TIM1.ClockDivision=TIM_CLOCKDIVISION_DIV1