Edge trigger works
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@ -1,2 +1,2 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<module classpath="CIDR" type="CPP_MODULE" version="4" />
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<module classpath="CMake" type="CPP_MODULE" version="4" />
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@ -57,6 +57,9 @@ void Error_Handler(void);
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/* USER CODE END EFP */
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/* Private defines -----------------------------------------------------------*/
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#define PIN_Pin GPIO_PIN_1
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#define PIN_GPIO_Port GPIOA
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#define PIN_EXTI_IRQn EXTI1_IRQn
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/* USER CODE BEGIN Private defines */
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@ -55,6 +55,7 @@ void SVC_Handler(void);
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void DebugMon_Handler(void);
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void PendSV_Handler(void);
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void SysTick_Handler(void);
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void EXTI1_IRQHandler(void);
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void USB_LP_IRQHandler(void);
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void TIM1_UP_TIM16_IRQHandler(void);
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/* USER CODE BEGIN EFP */
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@ -66,11 +66,7 @@ int _write(int file, char *ptr, int len) {
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void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
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{
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uint32_t current_count = EXT_TIMER.Instance->CNT;
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uint32_t difference = current_count-last_count;
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last_count = current_count;
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printf("%d\n", difference);
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}
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void USB_CDC_RxHandler(uint8_t* Buf, uint32_t Len)
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@ -85,6 +81,34 @@ void USB_CDC_RxHandler(uint8_t* Buf, uint32_t Len)
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}
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uint32_t check_pin_state()
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{
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return HAL_GPIO_ReadPin(PIN_GPIO_Port, PIN_Pin);
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}
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void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
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{
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uint32_t current_count = EXT_TIMER.Instance->CNT;
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if (check_pin_state() )
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{
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// printf("RISING\n");
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//Reset
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last_count = current_count;
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}
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else
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{
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// printf("FALLING\n");
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//Send
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uint32_t difference = current_count-last_count;
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printf("%d\n", difference);
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}
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}
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void receive_handler();
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/* USER CODE END PFP */
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@ -295,6 +319,7 @@ static void MX_TIM2_Init(void)
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*/
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static void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* USER CODE BEGIN MX_GPIO_Init_1 */
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/* USER CODE END MX_GPIO_Init_1 */
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@ -302,6 +327,16 @@ static void MX_GPIO_Init(void)
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__HAL_RCC_GPIOF_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/*Configure GPIO pin : PIN_Pin */
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GPIO_InitStruct.Pin = PIN_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(PIN_GPIO_Port, &GPIO_InitStruct);
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/* EXTI interrupt init*/
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HAL_NVIC_SetPriority(EXTI1_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(EXTI1_IRQn);
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/* USER CODE BEGIN MX_GPIO_Init_2 */
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/* USER CODE END MX_GPIO_Init_2 */
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}
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@ -199,6 +199,20 @@ void SysTick_Handler(void)
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/* please refer to the startup file (startup_stm32g4xx.s). */
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/******************************************************************************/
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/**
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* @brief This function handles EXTI line1 interrupt.
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*/
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void EXTI1_IRQHandler(void)
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{
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/* USER CODE BEGIN EXTI1_IRQn 0 */
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/* USER CODE END EXTI1_IRQn 0 */
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HAL_GPIO_EXTI_IRQHandler(PIN_Pin);
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/* USER CODE BEGIN EXTI1_IRQn 1 */
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/* USER CODE END EXTI1_IRQn 1 */
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}
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/**
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* @brief This function handles USB low priority interrupt remap.
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*/
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24
jakub.ioc
24
jakub.ioc
@ -20,13 +20,14 @@ Mcu.Package=LQFP64
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Mcu.Pin0=PF0-OSC_IN
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Mcu.Pin1=PF1-OSC_OUT
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Mcu.Pin2=PA0
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Mcu.Pin3=PA11
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Mcu.Pin4=PA12
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Mcu.Pin5=VP_SYS_VS_Systick
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Mcu.Pin6=VP_SYS_VS_DBSignals
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Mcu.Pin7=VP_TIM1_VS_ClockSourceINT
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Mcu.Pin8=VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS
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Mcu.PinsNb=9
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Mcu.Pin3=PA1
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Mcu.Pin4=PA11
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Mcu.Pin5=PA12
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Mcu.Pin6=VP_SYS_VS_Systick
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Mcu.Pin7=VP_SYS_VS_DBSignals
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Mcu.Pin8=VP_TIM1_VS_ClockSourceINT
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Mcu.Pin9=VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS
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Mcu.PinsNb=10
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Mcu.ThirdPartyNb=0
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Mcu.UserConstants=
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Mcu.UserName=STM32G474RETx
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@ -34,6 +35,7 @@ MxCube.Version=6.9.1
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MxDb.Version=DB.6.0.91
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NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
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NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
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NVIC.EXTI1_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
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NVIC.ForceEnableDMAVector=true
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NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
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NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
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@ -47,6 +49,12 @@ NVIC.USB_LP_IRQn=true\:2\:0\:true\:false\:true\:false\:true\:true
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NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
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PA0.Locked=true
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PA0.Signal=S_TIM2_ETR
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PA1.GPIOParameters=GPIO_PuPd,GPIO_Label,GPIO_ModeDefaultEXTI
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PA1.GPIO_Label=PIN
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PA1.GPIO_ModeDefaultEXTI=GPIO_MODE_IT_RISING_FALLING
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PA1.GPIO_PuPd=GPIO_PULLUP
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PA1.Locked=true
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PA1.Signal=GPXTI1
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PA11.Mode=Device
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PA11.Signal=USB_DM
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PA12.Mode=Device
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@ -139,6 +147,8 @@ RCC.USART3Freq_Value=150000000
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RCC.USBFreq_Value=48000000
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RCC.VCOInputFreq_Value=12500000
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RCC.VCOOutputFreq_Value=300000000
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SH.GPXTI1.0=GPIO_EXTI1
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SH.GPXTI1.ConfNb=1
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SH.S_TIM2_ETR.0=TIM2_ETR,ClockSourceETR_Mode2
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SH.S_TIM2_ETR.ConfNb=1
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TIM1.ClockDivision=TIM_CLOCKDIVISION_DIV1
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