Merge branch 'V2R1-board'

.project

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>Relay_RS485</name>
+	<name>Relay_RS485_V2</name>
 	<comment></comment>
 	<projects>
 	</projects>

Core/Inc/board_logic.h

@@ -6,17 +6,24 @@
 #ifndef BOARD_LOGIC_H_
 #define BOARD_LOGIC_H_
 
-#define MODBUS_FIRMWARE_VERSION ( /*major*/ 10 + /*minor*/ 1 * 0x100)
+#define MODBUS_FIRMWARE_VERSION ( /*major*/ 11 + /*minor*/ 0 * 0x100)
 #define MODBUS_BOARD_TYPE (8)   //Relay Module board ID
 
-#define REL_MAIN_BIT      	(1u<<0)
+#define REL_MAIN_BIT    (1u<<0)
-#define REL_AUX_BIT    		(1u<<1)
+#define REL_AUX_BIT     (1u<<1)
 
-#define MOTOR_MIN   		0
+#define PWM_DUTY_MIN    0
-#define MOTOR_MAX   		255
+#define PWM_DUTY_MAX    255
+#define PWM_LIGHTS_STEP 20      // Time step in ms between LED light PWM updates
+#define LIGHTS_TIME     600    // Time in ms to spend for smooth lights level change
 
 
+void estop_reset(void);
+void board_init(void);
+uint16_t clamp_duty(uint16_t duty);
+void set_pwm(uint8_t unit, uint16_t duty);
+void set_light(uint16_t duty);
 void loop_iterate();
-void timer1_ovf_isr(void);
+void update_service_indication(void);
 
 #endif 

Core/Inc/main.h

@@ -59,6 +59,16 @@ void Error_Handler(void);
 /* USER CODE END EFP */
 
 /* Private defines -----------------------------------------------------------*/
+#define WATER_Pin GPIO_PIN_0
+#define WATER_GPIO_Port GPIOA
+#define WATER_EXTI_IRQn EXTI0_1_IRQn
+#define ESTOP_Pin GPIO_PIN_1
+#define ESTOP_GPIO_Port GPIOA
+#define ESTOP_EXTI_IRQn EXTI0_1_IRQn
+#define LIGHTS_Pin GPIO_PIN_4
+#define LIGHTS_GPIO_Port GPIOA
+#define RL_EN_Pin GPIO_PIN_5
+#define RL_EN_GPIO_Port GPIOA
 #define LED_AUX_Pin GPIO_PIN_6
 #define LED_AUX_GPIO_Port GPIOA
 #define LED_MAIN_Pin GPIO_PIN_7
@@ -67,6 +77,9 @@ void Error_Handler(void);
 #define LED_ERR_GPIO_Port GPIOB
 #define LED_ACT_Pin GPIO_PIN_1
 #define LED_ACT_GPIO_Port GPIOB
+#define LIGHTS_SW_Pin GPIO_PIN_8
+#define LIGHTS_SW_GPIO_Port GPIOA
+#define LIGHTS_SW_EXTI_IRQn EXTI4_15_IRQn
 #define TXEN_Pin GPIO_PIN_11
 #define TXEN_GPIO_Port GPIOA
 #define RL_AUX_Pin GPIO_PIN_15

Core/Inc/stm32f0xx_it.h

@@ -51,6 +51,8 @@ void HardFault_Handler(void);
 void SVC_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void EXTI0_1_IRQHandler(void);
+void EXTI4_15_IRQHandler(void);
 void DMA1_Channel2_3_IRQHandler(void);
 void TIM1_BRK_UP_TRG_COM_IRQHandler(void);
 void TIM1_CC_IRQHandler(void);

Core/Src/board_logic.c

@@ -5,6 +5,7 @@
 
 #include <stdint.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #include "main.h"
 #include "modbus_logic.h"
@@ -12,10 +13,11 @@
 
 #define BOARD_DESC_LEN (16)
 
+extern TIM_HandleTypeDef htim1;
 extern TIM_HandleTypeDef htim3;
-static const char board_description[BOARD_DESC_LEN] = "RS485_Relay V1R1";
+extern TIM_HandleTypeDef htim14;
+static const char board_description[BOARD_DESC_LEN] = "RS485_Relay V2R1";
 extern uint16_t tranfer_errors_count;
-extern uint16_t last_rx_time;
 
 #define REL_MAIN_ON		HAL_GPIO_WritePin(RL_MAIN_GPIO_Port, RL_MAIN_Pin, GPIO_PIN_SET)
 #define REL_MAIN_OFF	HAL_GPIO_WritePin(RL_MAIN_GPIO_Port, RL_MAIN_Pin, GPIO_PIN_RESET)
@@ -28,11 +30,82 @@ extern uint16_t last_rx_time;
 #define LED_ACT_ON		HAL_GPIO_WritePin(LED_ACT_GPIO_Port, LED_ACT_Pin, GPIO_PIN_SET)
 #define LED_ACT_OFF		HAL_GPIO_WritePin(LED_ACT_GPIO_Port, LED_ACT_Pin, GPIO_PIN_RESET)
 
-uint16_t relays=0;
-uint16_t motor_pwm=0;
-uint16_t led_time_act=0;
 
-void update_service_indication(void);
+uint16_t relays = 0;
+uint16_t status = 0;
+uint16_t motor1_pwm = 0;
+uint16_t motor2_pwm = 0;
+uint16_t lights_pwm = 0;
+uint16_t lights_pwm_target = 0;
+int16_t  lights_pwm_delta = 0;
+uint16_t led_time_act = 0;
+
+void estop_reset(void) {
+  HAL_GPIO_WritePin(RL_EN_GPIO_Port, RL_EN_Pin, GPIO_PIN_RESET);
+  HAL_Delay(1);
+  HAL_GPIO_WritePin(RL_EN_GPIO_Port, RL_EN_Pin, GPIO_PIN_SET);
+}
+
+void board_init(void) {
+  // Activate (normalize) E-STOP trigger
+  estop_reset();
+
+  // Check if E-STOP is not shorted
+  if (HAL_GPIO_ReadPin(ESTOP_GPIO_Port, ESTOP_Pin) == GPIO_PIN_RESET)
+    status = status | 0b010;
+
+  // 1ms timer start
+  HAL_TIM_Base_Start_IT(&htim1);
+}
+
+
+uint16_t clamp_duty(uint16_t duty) {
+  if (duty > PWM_DUTY_MAX) return PWM_DUTY_MAX;
+  if (duty < PWM_DUTY_MIN) return PWM_DUTY_MIN;
+  return duty;
+}
+
+void set_pwm(uint8_t unit, uint16_t duty) {
+  uint32_t channel;
+  TIM_HandleTypeDef* tim;
+
+  switch (unit) {
+    case 1: // motor 1
+      tim = &htim3;
+      channel = TIM_CHANNEL_1;
+      break;
+    case 2: // motor 2
+      tim = &htim3;
+      channel = TIM_CHANNEL_2;
+      break;
+    case 3: // lights
+      tim = &htim14;
+      channel = TIM_CHANNEL_1;
+      break;
+    default:
+      return;
+  }
+
+  duty = clamp_duty(duty);
+  if (duty == 0)
+    HAL_TIM_PWM_Stop(tim, channel);
+  else {
+    HAL_TIM_PWM_Start(tim, channel);
+    __HAL_TIM_SetCompare(tim, channel, duty);
+    HAL_Delay(5);
+  }
+}
+
+void set_light(uint16_t duty) {
+  lights_pwm_target = clamp_duty(duty);
+  if (lights_pwm_target != lights_pwm) {
+    lights_pwm_delta = (lights_pwm_target - lights_pwm) / (LIGHTS_TIME / PWM_LIGHTS_STEP);
+    if (lights_pwm_delta == 0) {
+      if (lights_pwm_target - lights_pwm > 0) lights_pwm_delta = 1;
+      else lights_pwm_delta = -1;
+    }
+  }
+}
 
 void loop_iterate()
 {
@@ -64,40 +137,15 @@ void loop_iterate()
   HAL_Delay(1);
 }
 
-// Timer1 overflow interrupt service routine
-void timer1_ovf_isr(void) //1 ms
-{
-	static uint32_t count_1sec=0;
-    if(last_rx_time<0xFFFF)last_rx_time++;
-
-    update_service_indication();
-
-    if(++count_1sec==1000)
-	{
-		count_1sec = 0;
-		//led_time_g += 10;
-	}
-
-}
-
 void update_service_indication(void)
 {
-	if(led_time_act)
+	if (led_time_act) {
-    {
     	LED_ACT_ON;
     	led_time_act--;
-    }
+  } else
-    else
     	LED_ACT_OFF;
-/*
+
-    if(led_time_g)
+
-    {
-    	LED_G_ON;
-    	led_time_g--;
-    }
-    else
-    	LED_G_OFF;
-    	*/
 }
 
 
@@ -125,9 +173,22 @@ uint8_t read_register(uint16_t address, uint16_t* value)
     {
         *value = relays;
     }
-    else if (address == 0x2002)  //Read motor pwm
+    else if (address == 0x2002)  //Read motor 1 pwm
     {
-        *value = motor_pwm;
+        *value = motor1_pwm;
+    }
+    else if (address == 0x2003)  //Read motor 2 pwm
+    {
+        *value = motor2_pwm;
+    }
+    else if (address == 0x2004)  //Read Lights pwm
+    {
+        *value = lights_pwm;
+    }
+    else if (address == 0x2010)  //Read status
+    {
+        *value = status;
+        status &= 0b011; // Reset light button press event status
     }
 	else
 		return 1;
@@ -137,24 +198,30 @@ uint8_t read_register(uint16_t address, uint16_t* value)
 uint8_t write_register(uint16_t address, uint16_t value)
 {
   uint8_t ret;
-  ret=0;
+  ret = 0;
   #ifdef UART_DEBUG
   printf("Write A=0x%X D=0x%X\n\r",address,value);
   #endif
   switch (address) {
     case 0x2001:
+      if (status & 0b010) break;    // Check if we are in emergency stop mode
       relays = value;
       break;
     case 0x2002:
-      motor_pwm = value;
+      motor1_pwm = value;
-      if(motor_pwm>MOTOR_MAX)motor_pwm=MOTOR_MAX;
+      set_pwm(1, motor1_pwm);
-      if(motor_pwm<MOTOR_MIN)motor_pwm=MOTOR_MIN;
+      break;
-      if(motor_pwm==0)
+    case 0x2003:
-        HAL_TIM_PWM_Stop(&htim3, TIM_CHANNEL_1);
+      motor2_pwm = value;
-      else {
+      set_pwm(2, motor2_pwm);
-        HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_1);
+      break;
-        __HAL_TIM_SetCompare(&htim3, TIM_CHANNEL_1, motor_pwm);
+    case 0x2004:
-        HAL_Delay(5);
+      set_light(value);
+      break;
+    case 0x2020:
+      if (value == 1) {
+        estop_reset();
+        status &= 0b101;
       }
       break;
     default:
@@ -163,3 +230,47 @@ uint8_t write_register(uint16_t address, uint16_t value)
 	return ret;
 }
 
+// Pin external interrupts handler
+void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
+{
+  if(GPIO_Pin == ESTOP_Pin) {
+    status = status | 0b010;
+    relays = 0;
+  }
+  if(GPIO_Pin == LIGHTS_SW_Pin) {
+    // Set "lights switch pressed" status bit
+    status |= 0b100;
+    if (lights_pwm_target > 0) set_light(0);
+    else set_light(255);
+  }
+  if(GPIO_Pin == WATER_Pin) {
+    // Set or reset "water" status bit
+    status |= HAL_GPIO_ReadPin(WATER_GPIO_Port, WATER_Pin);
+    if (HAL_GPIO_ReadPin(WATER_GPIO_Port, WATER_Pin)) status |= 1;
+    else status &= ~1;
+  }
+}
+
+// Timers overflow interrupt
+void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) {
+  // check if the interrupt comes from TIM1
+  if(htim->Instance == TIM1) {
+    static uint32_t count_ms = 0;
+
+    update_service_indication();
+
+    // Check if we should change lights pwm for smooth transition
+    if (lights_pwm != lights_pwm_target) {
+      // Change pwm only every 20ms (PWM_LIGHTS_STEP)
+      if(++count_ms == PWM_LIGHTS_STEP) {
+        count_ms = 0;
+
+        lights_pwm += lights_pwm_delta;
+        // Set lights pwm to target if the difference is less than the delta
+        if (abs(lights_pwm_target - lights_pwm) < abs(lights_pwm_delta))
+          lights_pwm = lights_pwm_target;
+        set_pwm(3, lights_pwm);
+      }
+    }
+  }
+}

Core/Src/main.c

@@ -45,6 +45,7 @@
 /* Private variables ---------------------------------------------------------*/
 TIM_HandleTypeDef htim1;
 TIM_HandleTypeDef htim3;
+TIM_HandleTypeDef htim14;
 
 UART_HandleTypeDef huart1;
 DMA_HandleTypeDef hdma_usart1_rx;
@@ -61,6 +62,7 @@ static void MX_DMA_Init(void);
 static void MX_TIM3_Init(void);
 static void MX_USART1_UART_Init(void);
 static void MX_TIM1_Init(void);
+static void MX_TIM14_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -102,8 +104,9 @@ int main(void)
   MX_TIM3_Init();
   MX_USART1_UART_Init();
   MX_TIM1_Init();
+  MX_TIM14_Init();
   /* USER CODE BEGIN 2 */
-  HAL_TIM_Base_Start_IT(&htim1);
+  board_init();
 
   /* USER CODE END 2 */
 
@@ -183,9 +186,9 @@ static void MX_TIM1_Init(void)
 
   /* USER CODE END TIM1_Init 1 */
   htim1.Instance = TIM1;
-  htim1.Init.Prescaler = 479;
+  htim1.Init.Prescaler = 480-1;
   htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim1.Init.Period = 100;
+  htim1.Init.Period = 100-1;
   htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
   htim1.Init.RepetitionCounter = 0;
   htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
@@ -229,7 +232,7 @@ static void MX_TIM3_Init(void)
 
   /* USER CODE END TIM3_Init 1 */
   htim3.Instance = TIM3;
-  htim3.Init.Prescaler = 239;
+  htim3.Init.Prescaler = 240-1;
   htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
   htim3.Init.Period = 255;
   htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
@@ -252,6 +255,10 @@ static void MX_TIM3_Init(void)
   {
     Error_Handler();
   }
+  if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
+  {
+    Error_Handler();
+  }
   /* USER CODE BEGIN TIM3_Init 2 */
 
   /* USER CODE END TIM3_Init 2 */
@@ -259,6 +266,52 @@ static void MX_TIM3_Init(void)
 
 }
 
+/**
+  * @brief TIM14 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_TIM14_Init(void)
+{
+
+  /* USER CODE BEGIN TIM14_Init 0 */
+
+  /* USER CODE END TIM14_Init 0 */
+
+  TIM_OC_InitTypeDef sConfigOC = {0};
+
+  /* USER CODE BEGIN TIM14_Init 1 */
+
+  /* USER CODE END TIM14_Init 1 */
+  htim14.Instance = TIM14;
+  htim14.Init.Prescaler = 6-1;
+  htim14.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim14.Init.Period = 255;
+  htim14.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim14.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  if (HAL_TIM_Base_Init(&htim14) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_TIM_PWM_Init(&htim14) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sConfigOC.OCMode = TIM_OCMODE_PWM1;
+  sConfigOC.Pulse = 0;
+  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
+  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
+  if (HAL_TIM_PWM_ConfigChannel(&htim14, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM14_Init 2 */
+
+  /* USER CODE END TIM14_Init 2 */
+  HAL_TIM_MspPostInit(&htim14);
+
+}
+
 /**
   * @brief USART1 Initialization Function
   * @param None
@@ -326,14 +379,31 @@ static void MX_GPIO_Init(void)
   __HAL_RCC_GPIOA_CLK_ENABLE();
   __HAL_RCC_GPIOB_CLK_ENABLE();
 
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(RL_EN_GPIO_Port, RL_EN_Pin, GPIO_PIN_SET);
+
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOA, LED_AUX_Pin|LED_MAIN_Pin|TXEN_Pin|RL_AUX_Pin, GPIO_PIN_RESET);
 
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOB, LED_ERR_Pin|LED_ACT_Pin|RL_MAIN_Pin, GPIO_PIN_RESET);
 
-  /*Configure GPIO pins : LED_AUX_Pin LED_MAIN_Pin TXEN_Pin RL_AUX_Pin */
+  /*Configure GPIO pin : WATER_Pin */
-  GPIO_InitStruct.Pin = LED_AUX_Pin|LED_MAIN_Pin|TXEN_Pin|RL_AUX_Pin;
+  GPIO_InitStruct.Pin = WATER_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  HAL_GPIO_Init(WATER_GPIO_Port, &GPIO_InitStruct);
+
+  /*Configure GPIO pins : ESTOP_Pin LIGHTS_SW_Pin */
+  GPIO_InitStruct.Pin = ESTOP_Pin|LIGHTS_SW_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+  /*Configure GPIO pins : RL_EN_Pin LED_AUX_Pin LED_MAIN_Pin TXEN_Pin
+                           RL_AUX_Pin */
+  GPIO_InitStruct.Pin = RL_EN_Pin|LED_AUX_Pin|LED_MAIN_Pin|TXEN_Pin
+                          |RL_AUX_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
@@ -346,18 +416,19 @@ static void MX_GPIO_Init(void)
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
+  /* EXTI interrupt init*/
+  HAL_NVIC_SetPriority(EXTI0_1_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(EXTI0_1_IRQn);
+
+  HAL_NVIC_SetPriority(EXTI4_15_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(EXTI4_15_IRQn);
+
 /* USER CODE BEGIN MX_GPIO_Init_2 */
 /* USER CODE END MX_GPIO_Init_2 */
 }
 
 /* USER CODE BEGIN 4 */
-void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
+
-{
-        if(htim->Instance == TIM1) //check if the interrupt comes from TIM1
-        {
-        	timer1_ovf_isr();
-        }
-}
 /* USER CODE END 4 */
 
 /**

Core/Src/modbus_logic.c

@@ -15,7 +15,7 @@ uint8_t recv_buffer[BUFFERS_SIZE];
 uint8_t send_buffer[BUFFERS_SIZE];
 
 uint16_t bytes_to_send = 0;
-uint16_t last_rx_time = 0xFFFF;
+//uint16_t last_rx_time = 0xFFFF;
 enum recv_state cmd_receiving = RECV_IDLE;
 enum send_state cmd_sending = SEND_IDLE;
 uint16_t tranfer_errors_count;
@@ -79,14 +79,7 @@ void modbus_loop_iterate()
 	{
 		if (cmd_receiving == RECV_ERROR)
 		{
-			// poor man's way to synchronize packets
+      cmd_receiving = RECV_IDLE;
-            //if(last_rx_time>=BUS_IDLE_TIME)
-            //{
-                cmd_receiving = RECV_IDLE;
-                //TXEN_485 = 1;
-                //delay_us(10);
-                //TXEN_485 = 0;
-            //}
 		}
 		if (cmd_receiving == RECV_IDLE)
 		{

Core/Src/stm32f0xx_hal_msp.c

@@ -63,7 +63,7 @@ extern DMA_HandleTypeDef hdma_usart1_tx;
 /* USER CODE END 0 */
 
 void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
-                    /**
+                                        /**
   * Initializes the Global MSP.
   */
 void HAL_MspInit(void)
@@ -106,6 +106,17 @@ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
 
   /* USER CODE END TIM1_MspInit 1 */
   }
+  else if(htim_base->Instance==TIM14)
+  {
+  /* USER CODE BEGIN TIM14_MspInit 0 */
+
+  /* USER CODE END TIM14_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_TIM14_CLK_ENABLE();
+  /* USER CODE BEGIN TIM14_MspInit 1 */
+
+  /* USER CODE END TIM14_MspInit 1 */
+  }
 
 }
 
@@ -139,12 +150,12 @@ void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
   /* USER CODE BEGIN TIM3_MspPostInit 0 */
 
   /* USER CODE END TIM3_MspPostInit 0 */
-
     __HAL_RCC_GPIOB_CLK_ENABLE();
     /**TIM3 GPIO Configuration
     PB4     ------> TIM3_CH1
+    PB5     ------> TIM3_CH2
     */
-    GPIO_InitStruct.Pin = GPIO_PIN_4;
+    GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
@@ -155,6 +166,27 @@ void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
 
   /* USER CODE END TIM3_MspPostInit 1 */
   }
+  else if(htim->Instance==TIM14)
+  {
+  /* USER CODE BEGIN TIM14_MspPostInit 0 */
+
+  /* USER CODE END TIM14_MspPostInit 0 */
+
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    /**TIM14 GPIO Configuration
+    PA4     ------> TIM14_CH1
+    */
+    GPIO_InitStruct.Pin = LIGHTS_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF4_TIM14;
+    HAL_GPIO_Init(LIGHTS_GPIO_Port, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN TIM14_MspPostInit 1 */
+
+  /* USER CODE END TIM14_MspPostInit 1 */
+  }
 
 }
 /**
@@ -180,6 +212,17 @@ void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
 
   /* USER CODE END TIM1_MspDeInit 1 */
   }
+  else if(htim_base->Instance==TIM14)
+  {
+  /* USER CODE BEGIN TIM14_MspDeInit 0 */
+
+  /* USER CODE END TIM14_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM14_CLK_DISABLE();
+  /* USER CODE BEGIN TIM14_MspDeInit 1 */
+
+  /* USER CODE END TIM14_MspDeInit 1 */
+  }
 
 }
 

Core/Src/stm32f0xx_it.c

@@ -143,6 +143,35 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32f0xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles EXTI line 0 and 1 interrupts.
+  */
+void EXTI0_1_IRQHandler(void)
+{
+  /* USER CODE BEGIN EXTI0_1_IRQn 0 */
+
+  /* USER CODE END EXTI0_1_IRQn 0 */
+  HAL_GPIO_EXTI_IRQHandler(WATER_Pin);
+  HAL_GPIO_EXTI_IRQHandler(ESTOP_Pin);
+  /* USER CODE BEGIN EXTI0_1_IRQn 1 */
+
+  /* USER CODE END EXTI0_1_IRQn 1 */
+}
+
+/**
+  * @brief This function handles EXTI line 4 to 15 interrupts.
+  */
+void EXTI4_15_IRQHandler(void)
+{
+  /* USER CODE BEGIN EXTI4_15_IRQn 0 */
+
+  /* USER CODE END EXTI4_15_IRQn 0 */
+  HAL_GPIO_EXTI_IRQHandler(LIGHTS_SW_Pin);
+  /* USER CODE BEGIN EXTI4_15_IRQn 1 */
+
+  /* USER CODE END EXTI4_15_IRQn 1 */
+}
+
 /**
   * @brief This function handles DMA1 channel 2 and 3 interrupts.
   */

Relay_RS485_V2 Debug.launch

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="com.st.stm32cube.ide.mcu.debug.launch.launchConfigurationType">
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.access_port_id" value="0"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.cubeprog_external_loaders" value="[]"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.debug_auth_certif_path" value=""/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.debug_auth_check_enable" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.debug_auth_key_path" value=""/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.debug_auth_permission" value=""/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.enable_live_expr" value="true"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.enable_swv" value="false"/>
+    <intAttribute key="com.st.stm32cube.ide.mcu.debug.launch.formatVersion" value="2"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.ip_address_local" value="localhost"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.limit_swo_clock.enabled" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.limit_swo_clock.value" value=""/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.loadList" value="{&quot;fItems&quot;:[{&quot;fIsFromMainTab&quot;:true,&quot;fPath&quot;:&quot;Debug/Relay_RS485_V2.elf&quot;,&quot;fProjectName&quot;:&quot;Relay_RS485_V2&quot;,&quot;fPerformBuild&quot;:true,&quot;fDownload&quot;:true,&quot;fLoadSymbols&quot;:true}]}"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.override_start_address_mode" value="default"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.remoteCommand" value="target remote"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.startServer" value="true"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.startuptab.exception.divby0" value="true"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.startuptab.exception.unaligned" value="false"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.startuptab.haltonexception" value="true"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.swd_mode" value="true"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.swv_port" value="61235"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.swv_trace_hclk" value="48000000"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.useRemoteTarget" value="true"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.launch.vector_table" value=""/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.launch.verify_flash_download" value="true"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.cti_allow_halt" value="false"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.cti_signal_halt" value="false"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.enable_logging" value="false"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.enable_max_halt_delay" value="false"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.enable_shared_stlink" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.frequency" value="0"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.halt_all_on_reset" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.log_file" value="D:\bitbucket\RS485_Relay\RS485_Relay2_fw\Debug\st-link_gdbserver_log.txt"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.low_power_debug" value="enable"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.max_halt_delay" value="2"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.reset_strategy" value="connect_under_reset"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.stlink_check_serial_number" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.stlink_txt_serial_number" value=""/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.watchdog_config" value="none"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlinkenable_rtos" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlinkrestart_configurations" value="{&quot;fVersion&quot;:1,&quot;fItems&quot;:[{&quot;fDisplayName&quot;:&quot;Reset&quot;,&quot;fIsSuppressible&quot;:false,&quot;fResetAttribute&quot;:&quot;Software system reset&quot;,&quot;fResetStrategies&quot;:[{&quot;fDisplayName&quot;:&quot;Software system reset&quot;,&quot;fLaunchAttribute&quot;:&quot;system_reset&quot;,&quot;fGdbCommands&quot;:[&quot;monitor reset\r\n&quot;],&quot;fCmdOptions&quot;:[&quot;-g&quot;]},{&quot;fDisplayName&quot;:&quot;Hardware reset&quot;,&quot;fLaunchAttribute&quot;:&quot;hardware_reset&quot;,&quot;fGdbCommands&quot;:[&quot;monitor reset hardware\r\n&quot;],&quot;fCmdOptions&quot;:[&quot;-g&quot;]},{&quot;fDisplayName&quot;:&quot;Core reset&quot;,&quot;fLaunchAttribute&quot;:&quot;core_reset&quot;,&quot;fGdbCommands&quot;:[&quot;monitor reset core\r\n&quot;],&quot;fCmdOptions&quot;:[&quot;-g&quot;]},{&quot;fDisplayName&quot;:&quot;None&quot;,&quot;fLaunchAttribute&quot;:&quot;no_reset&quot;,&quot;fGdbCommands&quot;:[],&quot;fCmdOptions&quot;:[&quot;-g&quot;]}],&quot;fGdbCommandGroup&quot;:{&quot;name&quot;:&quot;Additional commands&quot;,&quot;commands&quot;:[]},&quot;fStartApplication&quot;:true}]}"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.enableRtosProxy" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyCustomProperties" value=""/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyDriver" value="threadx"/>
+    <booleanAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyDriverAuto" value="false"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyDriverPort" value="cortex_m0"/>
+    <intAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyPort" value="60000"/>
+    <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.doHalt" value="false"/>
+    <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.doReset" value="false"/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.initCommands" value=""/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.ipAddress" value="localhost"/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.jtagDeviceId" value="com.st.stm32cube.ide.mcu.debug.stlink"/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.pcRegister" value=""/>
+    <intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.portNumber" value="61234"/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.runCommands" value=""/>
+    <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setPcRegister" value="false"/>
+    <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setResume" value="true"/>
+    <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="true"/>
+    <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.stopAt" value="main"/>
+    <stringAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_NAME" value="arm-none-eabi-gdb"/>
+    <booleanAttribute key="org.eclipse.cdt.dsf.gdb.NON_STOP" value="false"/>
+    <booleanAttribute key="org.eclipse.cdt.dsf.gdb.UPDATE_THREADLIST_ON_SUSPEND" value="false"/>
+    <intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
+    <stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
+    <stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_START_MODE" value="remote"/>
+    <booleanAttribute key="org.eclipse.cdt.launch.DEBUGGER_STOP_AT_MAIN" value="true"/>
+    <stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_STOP_AT_MAIN_SYMBOL" value="main"/>
+    <stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="Debug/Relay_RS485_V2.elf"/>
+    <stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="Relay_RS485_V2"/>
+    <booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="true"/>
+    <stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.107351323"/>
+    <booleanAttribute key="org.eclipse.debug.core.ATTR_FORCE_SYSTEM_CONSOLE_ENCODING" value="false"/>
+    <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+        <listEntry value="/Relay_RS485_V2"/>
+    </listAttribute>
+    <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
+        <listEntry value="4"/>
+    </listAttribute>
+    <stringAttribute key="process_factory_id" value="com.st.stm32cube.ide.mcu.debug.launch.HardwareDebugProcessFactory"/>
+</launchConfiguration>

Relay_RS485_V2.ioc

@@ -24,7 +24,7 @@ Dma.USART1_TX.1.PeriphInc=DMA_PINC_DISABLE
 Dma.USART1_TX.1.Priority=DMA_PRIORITY_LOW
 Dma.USART1_TX.1.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority
 File.Version=6
-GPIO.groupedBy=
+GPIO.groupedBy=Group By Peripherals
 KeepUserPlacement=false
 Mcu.CPN=STM32F030K6T6
 Mcu.Family=STM32F0
@@ -34,33 +34,43 @@ Mcu.IP2=RCC
 Mcu.IP3=SYS
 Mcu.IP4=TIM1
 Mcu.IP5=TIM3
-Mcu.IP6=USART1
+Mcu.IP6=TIM14
-Mcu.IPNb=7
+Mcu.IP7=USART1
+Mcu.IPNb=8
 Mcu.Name=STM32F030K6Tx
 Mcu.Package=LQFP32
 Mcu.Pin0=PF0-OSC_IN
 Mcu.Pin1=PF1-OSC_OUT
-Mcu.Pin10=PA14
+Mcu.Pin10=PA8
-Mcu.Pin11=PA15
+Mcu.Pin11=PA9
-Mcu.Pin12=PB3
+Mcu.Pin12=PA10
-Mcu.Pin13=PB4
+Mcu.Pin13=PA11
-Mcu.Pin14=VP_SYS_VS_Systick
+Mcu.Pin14=PA13
-Mcu.Pin15=VP_TIM1_VS_ClockSourceINT
+Mcu.Pin15=PA14
-Mcu.Pin2=PA6
+Mcu.Pin16=PA15
-Mcu.Pin3=PA7
+Mcu.Pin17=PB3
-Mcu.Pin4=PB0
+Mcu.Pin18=PB4
-Mcu.Pin5=PB1
+Mcu.Pin19=PB5
-Mcu.Pin6=PA9
+Mcu.Pin2=PA0
-Mcu.Pin7=PA10
+Mcu.Pin20=VP_SYS_VS_Systick
-Mcu.Pin8=PA11
+Mcu.Pin21=VP_TIM1_VS_ClockSourceINT
-Mcu.Pin9=PA13
+Mcu.Pin22=VP_TIM14_VS_ClockSourceINT
-Mcu.PinsNb=16
+Mcu.Pin3=PA1
+Mcu.Pin4=PA4
+Mcu.Pin5=PA5
+Mcu.Pin6=PA6
+Mcu.Pin7=PA7
+Mcu.Pin8=PB0
+Mcu.Pin9=PB1
+Mcu.PinsNb=23
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F030K6Tx
-MxCube.Version=6.9.2
+MxCube.Version=6.10.0
-MxDb.Version=DB.6.0.92
+MxDb.Version=DB.6.0.100
 NVIC.DMA1_Channel2_3_IRQn=true\:2\:0\:true\:false\:true\:false\:true\:true
+NVIC.EXTI0_1_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
+NVIC.EXTI4_15_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.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
@@ -70,6 +80,16 @@ NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:false
 NVIC.TIM1_BRK_UP_TRG_COM_IRQn=true\:3\:0\:true\:false\:true\:true\:true\:true
 NVIC.TIM1_CC_IRQn=true\:3\:0\:true\:false\:true\:true\:true\:true
 NVIC.USART1_IRQn=true\:1\:0\:true\:false\:true\:true\:true\:true
+PA0.GPIOParameters=GPIO_Label,GPIO_ModeDefaultEXTI
+PA0.GPIO_Label=WATER
+PA0.GPIO_ModeDefaultEXTI=GPIO_MODE_IT_RISING_FALLING
+PA0.Locked=true
+PA0.Signal=GPXTI0
+PA1.GPIOParameters=GPIO_Label,GPIO_ModeDefaultEXTI
+PA1.GPIO_Label=ESTOP
+PA1.GPIO_ModeDefaultEXTI=GPIO_MODE_IT_FALLING
+PA1.Locked=true
+PA1.Signal=GPXTI1
 PA10.Locked=true
 PA10.Mode=Asynchronous
 PA10.Signal=USART1_RX
@@ -85,6 +105,14 @@ PA15.GPIOParameters=GPIO_Label
 PA15.GPIO_Label=RL_AUX
 PA15.Locked=true
 PA15.Signal=GPIO_Output
+PA4.GPIOParameters=GPIO_Label
+PA4.GPIO_Label=LIGHTS
+PA4.Signal=S_TIM14_CH1
+PA5.GPIOParameters=PinState,GPIO_Label
+PA5.GPIO_Label=RL_EN
+PA5.Locked=true
+PA5.PinState=GPIO_PIN_SET
+PA5.Signal=GPIO_Output
 PA6.GPIOParameters=GPIO_Label
 PA6.GPIO_Label=LED_AUX
 PA6.Locked=true
@@ -93,6 +121,11 @@ PA7.GPIOParameters=GPIO_Label
 PA7.GPIO_Label=LED_MAIN
 PA7.Locked=true
 PA7.Signal=GPIO_Output
+PA8.GPIOParameters=GPIO_Label,GPIO_ModeDefaultEXTI
+PA8.GPIO_Label=LIGHTS_SW
+PA8.GPIO_ModeDefaultEXTI=GPIO_MODE_IT_FALLING
+PA8.Locked=true
+PA8.Signal=GPXTI8
 PA9.Locked=true
 PA9.Mode=Asynchronous
 PA9.Signal=USART1_TX
@@ -110,6 +143,7 @@ PB3.Locked=true
 PB3.Signal=GPIO_Output
 PB4.Locked=true
 PB4.Signal=S_TIM3_CH1
+PB5.Signal=S_TIM3_CH2
 PF0-OSC_IN.Mode=HSE-External-Oscillator
 PF0-OSC_IN.Signal=RCC_OSC_IN
 PF1-OSC_OUT.Mode=HSE-External-Oscillator
@@ -135,8 +169,8 @@ ProjectManager.MainLocation=Core/Src
 ProjectManager.NoMain=false
 ProjectManager.PreviousToolchain=STM32CubeIDE
 ProjectManager.ProjectBuild=false
-ProjectManager.ProjectFileName=Relay_RS485.ioc
+ProjectManager.ProjectFileName=Relay_RS485_V2.ioc
-ProjectManager.ProjectName=Relay_RS485
+ProjectManager.ProjectName=Relay_RS485_V2
 ProjectManager.ProjectStructure=
 ProjectManager.RegisterCallBack=
 ProjectManager.StackSize=0x400
@@ -145,7 +179,7 @@ ProjectManager.ToolChainLocation=
 ProjectManager.UAScriptAfterPath=
 ProjectManager.UAScriptBeforePath=
 ProjectManager.UnderRoot=true
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_TIM3_Init-TIM3-false-HAL-true,5-MX_USART1_UART_Init-USART1-false-HAL-true,6-MX_TIM1_Init-TIM1-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_TIM3_Init-TIM3-false-HAL-true,5-MX_USART1_UART_Init-USART1-false-HAL-true,6-MX_TIM1_Init-TIM1-false-HAL-true,7-MX_TIM14_Init-TIM14-false-HAL-true
 RCC.AHBFreq_Value=48000000
 RCC.APB1Freq_Value=48000000
 RCC.APB1TimFreq_Value=48000000
@@ -163,20 +197,38 @@ RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
 RCC.TimSysFreq_Value=48000000
 RCC.USART1Freq_Value=48000000
 RCC.VCOOutput2Freq_Value=8000000
+SH.GPXTI0.0=GPIO_EXTI0
+SH.GPXTI0.ConfNb=1
+SH.GPXTI1.0=GPIO_EXTI1
+SH.GPXTI1.ConfNb=1
+SH.GPXTI8.0=GPIO_EXTI8
+SH.GPXTI8.ConfNb=1
+SH.S_TIM14_CH1.0=TIM14_CH1,PWM Generation1 CH1
+SH.S_TIM14_CH1.ConfNb=1
 SH.S_TIM3_CH1.0=TIM3_CH1,PWM Generation1 CH1
 SH.S_TIM3_CH1.ConfNb=1
+SH.S_TIM3_CH2.0=TIM3_CH2,PWM Generation2 CH2
+SH.S_TIM3_CH2.ConfNb=1
 TIM1.IPParameters=Prescaler,Period
-TIM1.Period=100
+TIM1.Period=100-1
-TIM1.Prescaler=479
+TIM1.Prescaler=480-1
+TIM14.Channel=TIM_CHANNEL_1
+TIM14.IPParameters=Channel,Prescaler,Period,OCMode_PWM
+TIM14.OCMode_PWM=TIM_OCMODE_PWM1
+TIM14.Period=255
+TIM14.Prescaler=6-1
 TIM3.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1
-TIM3.IPParameters=Channel-PWM Generation1 CH1,Prescaler,Period
+TIM3.Channel-PWM\ Generation2\ CH2=TIM_CHANNEL_2
+TIM3.IPParameters=Channel-PWM Generation1 CH1,Prescaler,Period,Channel-PWM Generation2 CH2
 TIM3.Period=255
-TIM3.Prescaler=239
+TIM3.Prescaler=240-1
 USART1.BaudRate=9600
 USART1.IPParameters=VirtualMode-Asynchronous,BaudRate
 USART1.VirtualMode-Asynchronous=VM_ASYNC
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
+VP_TIM14_VS_ClockSourceINT.Mode=Enable_Timer
+VP_TIM14_VS_ClockSourceINT.Signal=TIM14_VS_ClockSourceINT
 VP_TIM1_VS_ClockSourceINT.Mode=Internal
 VP_TIM1_VS_ClockSourceINT.Signal=TIM1_VS_ClockSourceINT
 board=custom

V1-V2_HW_changes.txt

@@ -0,0 +1,12 @@
+New in Relay_V2 MCU:
+
+PA0 - INPUT  - Water level (HIGH - we have water)
+PA1 - INPUT  - E-STOP button (HIGH - normal state. should be interrupt-driven on falling edge detection)
+PA2 \
+PA3 ---------- Test points TP4, TP5 (ADC / USART1 / GPIO)
+PA4 - OUTPUT - LED Lights TIM14 CH1 PWM output
+PA5 - OUTPUT - RL_EN. Sets E-STOP trigger to controllable state (resets to normal state). LOW to activate. Should be HIGH by default.
+PA8 - INPUT  - LED Lights switch
+PB5 - OUTPUT - Second DC motor channel. TIM3 CH2 PWM
+PB6 \
+PB7 ---------- Test points TP1, TP2 (USART1, I2C1, GPIO)