Experiment 1; Looks good

Wider Triac pulse; PID parameters are tuned
generated schematic in PDF; Readme.md update
2023-08-09 04:38:55 +03:00 · 2023-08-09 02:07:22 +03:00 · 2023-08-03 13:03:18 +03:00 · 2023-08-03 12:44:46 +03:00 · 2023-08-03 12:32:48 +03:00 · 2023-07-19 01:15:18 +03:00
20 changed files with 431 additions and 175 deletions
--- a/README.md
+++ b/README.md
@@ -1 +1,26 @@
 # PCB-Heater
+
+PCB reflow station based on a heater plate.
+
+- STM32 MCU
+- Color TFT display
+- Display Touch control
+- Heats the PCB acording to a solder profile
+
+Schematic:
+[PDF](kicad/pcb-heater/pcb-heater.pdf)
+
+**Firmware is in WIP stage!**
+
+
+#### PCB renders
+
+![TOP](/images/pcb-heater-PCB1.png)
+
+![BOTTOM](/images/pcb-heater-PCB2.png)
+
+#### Assembly renders
+
+![CAD](/images/CAD1.png)
+
+![Render](/images/PCB-Heater_render1.png)
--- a/firmware/PCB-Heater/.cproject
+++ b/firmware/PCB-Heater/.cproject
@@ -21,7 +21,9 @@
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@@ -99,26 +101,27 @@
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 									<listOptionValue builtIn="false" value="USE_HAL_DRIVER"/>
 									<listOptionValue builtIn="false" value="STM32G070xx"/>
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@@ -131,11 +134,11 @@
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 							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.1774295902" name="MCU GCC Linker" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker">
-								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.option.script.1410337642" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.option.script" value="${workspace_loc:/${ProjName}/STM32G070RBTX_FLASH.ld}" valueType="string"/>
+								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.option.script.1410337642" name="Linker Script (-T)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.option.script" value="${workspace_loc:/${ProjName}/STM32G070RBTX_FLASH.ld}" valueType="string"/>
 								<inputType id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.input.113680125" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.input">
 									<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
 									<additionalInput kind="additionalinput" paths="$(LIBS)"/>
@@ -177,5 +180,12 @@
 		</scannerConfigBuildInfo>
 	</storageModule>
 	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
-	<storageModule moduleId="refreshScope"/>
+	<storageModule moduleId="refreshScope" versionNumber="2">
+		<configuration configurationName="Debug">
+			<resource resourceType="PROJECT" workspacePath="/PCB-Heater"/>
+		</configuration>
+		<configuration configurationName="Release">
+			<resource resourceType="PROJECT" workspacePath="/PCB-Heater"/>
+		</configuration>
+	</storageModule>
 </cproject>
--- a/firmware/PCB-Heater/.settings/language.settings.xml
+++ b/firmware/PCB-Heater/.settings/language.settings.xml
@@ -5,7 +5,7 @@
 			<provider-reference id="org.eclipse.cdt.ui.UserLanguageSettingsProvider" ref="shared-provider"/>
 			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="596919080754294639" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="-690114333473919073" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -17,7 +17,7 @@
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 			<provider copy-of="extension" id="org.eclipse.cdt.managedbuilder.core.GCCBuildCommandParser"/>
-			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="596919080754294639" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="-690114333473919073" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
--- a/firmware/PCB-Heater/Core/Inc/main.h
+++ b/firmware/PCB-Heater/Core/Inc/main.h
@@ -105,6 +105,7 @@ void Error_Handler(void);
 #define TIM1_GC_GPIO_Port GPIOA
 #define BUZZER_Pin GPIO_PIN_9
 #define BUZZER_GPIO_Port GPIOB
+
 /* USER CODE BEGIN Private defines */

 /* USER CODE END Private defines */
--- a/firmware/PCB-Heater/Core/Inc/stm32g0xx_it.h
+++ b/firmware/PCB-Heater/Core/Inc/stm32g0xx_it.h
@@ -49,6 +49,7 @@
 void NMI_Handler(void);
 void HardFault_Handler(void);
 void TIM6_IRQHandler(void);
+void TIM16_IRQHandler(void);
 void TIM17_IRQHandler(void);
 /* USER CODE BEGIN EFP */

--- a/firmware/PCB-Heater/Core/Inc/tim.h
+++ b/firmware/PCB-Heater/Core/Inc/tim.h
@@ -38,6 +38,8 @@ extern TIM_HandleTypeDef htim14;

 extern TIM_HandleTypeDef htim15;

+extern TIM_HandleTypeDef htim16;
+
 extern TIM_HandleTypeDef htim17;

 /* USER CODE BEGIN Private defines */
@@ -47,6 +49,7 @@ extern TIM_HandleTypeDef htim17;
 void MX_TIM1_Init(void);
 void MX_TIM14_Init(void);
 void MX_TIM15_Init(void);
+void MX_TIM16_Init(void);
 void MX_TIM17_Init(void);

 void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
--- a/firmware/PCB-Heater/Core/Src/app_freertos.c
+++ b/firmware/PCB-Heater/Core/Src/app_freertos.c
@@ -103,6 +103,10 @@ typedef struct {
 #define SCR_DIALOG		3
 #define SCR_BOOT			99

+//Pulses
+#define P_WIDTH				40        // Triac gate Pulse width
+#define P_DELAY        5				// Minimum delay before gate pulse
+
 /* USER CODE END PD */

 /* Private macro -------------------------------------------------------------*/
@@ -160,10 +164,13 @@ static uint8_t	Stage = 0;									//current stage of a profile
 static float		spp;												//Seconds per pixel (horizontal)
 static float		dpp;												//Degrees per pixel (vertical)
 uint16_t				Timer = 0;									//Time counter
+uint16_t				Timer10 = 0;								//Time x10 counter
+static uint8_t  fanActive = 0;							//Fans are active flag
+static uint8_t  Running = 0;								//Running program flag
 settings_t 			settings = {								//settings structure
 									20,							//	uint8_t temp_offset
 									0,							//	uint8_t color_scheme
-									0,							//	uint8_t btn_clicks
+									1,							//	uint8_t btn_clicks
 									100,						//	uint8_t brightness
 									0,							//	uint8_t language
 									1								//	uint8_t boot_screen
@@ -183,13 +190,13 @@ const presets_t presets[4] = {
 };

 PIDController pid = {
-		.Kp  = 40.0f,
-		.Ki  = 20.0f,
-		.Kd  = 5.0f,
-		.T   = 0.5f,			//2 times per second
+		.Kp  = 8.0f,
+		.Ki  = 0.2f,
+		.Kd  = 0.5f,
+		.T   = 0.25f,			//2 times per second
 		.tau = 0.2f,			//Low-pass filter (0 - no filter)
-		.limMin = 0.0f,
-		.limMax = 969.0f
+		.limMin = -100.0f,
+		.limMax =  100.0f
 };

 /* USER CODE END Variables */
@@ -238,14 +245,18 @@ const osMutexAttr_t mutScreen_attributes = {
 /* Private function prototypes -----------------------------------------------*/
 /* USER CODE BEGIN FunctionPrototypes */
 void btnPressed(uint8_t id);									//buttons actions
-void updateTInfo(void);
+void updateTInfo(uint16_t lvl);
 void drawBootScreen(void);
 void drawMainScreen(void);
 void drawRunningScreen(void);
 void drawSettingsScreen(void);
 void drawPlan(uint8_t use_mutex, uint8_t numbers, uint8_t wide);
-void playSound(uint8_t sound);			//Play one of the beeps
+void playSound(uint8_t sound, uint8_t note);	//Play one of the beeps
+void playTestSound();													//Play a test sound
+void setSoundPitch(uint8_t note);							//Set sound pitch (note) 0-6 - A2-A8
 void drawButton(uint8_t id, uint8_t func);		//Draw a button by ID
+void setFansSpeed(uint8_t speed);							//Set fans speed
+void stopHeater(void);												//Stop the heater and reset the PID

 /* USER CODE END FunctionPrototypes */

@@ -376,7 +387,7 @@ void svc_display(void *argument)
 						) {

 					lastPressed = id;
-					playSound(S_CLICK);
+					playSound(S_CLICK, 2);

 					osMutexAcquire(mutScreenHandle, osWaitForever);
 					if (id < 4) {
@@ -441,9 +452,6 @@ void svc_sensor(void *argument)
  /* Infinite loop */
  float temp, res, res_old;
  uint8_t i;
-  uint16_t pulse;
-	int in, fr;
-	static char str[12] = {0};

  PID_Init(&pid);

@@ -457,17 +465,9 @@ void svc_sensor(void *argument)
 	}
 	if (temp >= 0.0f) {
 		res = res / 3;
-		//PID
-		if (Preset == 2) {
-			PID_Update(&pid, 35.0f, res);
-			pulse = (uint16_t)(pid.limMax - pid.out)+20;
-			TIM1->ARR = pulse+10;
-			TIM1->CCR2 = pulse;
-		}
 	} else {
 		res = temp;
-		PID_Init(&pid);
-		TIM1->CCR2 = 1020;
+		stopHeater();
 	}
 	Temperature = res;
 	if (res != res_old) {
@@ -475,19 +475,11 @@ void svc_sensor(void *argument)
 		osMessageQueuePut(tempUpdateHandle, &res, 0, 50);
 	}

-	//Draw PID value
-	if (Screen == SCR_RUNNING) {
-		in = (int)(pid.out);
-		fr = (int)((pid.out-in)*100);
-		snprintf(str, 7, "%3d.%02d", in, fr);
-		osMutexAcquire(mutScreenHandle, osWaitForever);
-		ST7793_SetFontSize(1);
-		ST7793_FillRect(Darkergray, 11, 180, 27, 192);
-		ST7793_DrawString(Black, Darkergray, str, 11, 180);
-		osMutexRelease(mutScreenHandle);
-	}
+	//If no program is running and T is more than 45C - turn on Fans; else - turn them off
+	if (!Running && Temperature > 50.0f) setFansSpeed(100);
+	if (!Running && Temperature <= 44.0f && fanActive) setFansSpeed(0);

-	osDelay(500);
+	osDelay(250);
  }
  /* USER CODE END svc_sensor */
 }
@@ -533,18 +525,51 @@ void clockTick(void *argument)
 	uint16_t x, y;
 	static uint16_t stime, stemp; 	//starting time and temperature for a stage
 	static float dps;								//degrees per second
+  static uint16_t pulse;          //to calculate pulse for TIM1

 	if (Temperature < 0.0f) {
-		osTimerStop(secTimerHandle);
+		stopHeater();
 		return;
 	}

-	if (Timer == 0) {
+
+	//PID
+	PID_Update(&pid, aimTemperature, Temperature);
+	if (pid.out >= 0.0f) {
+		pulse = (uint16_t)pid.out;
+		if (fanActive) setFansSpeed(0);
+	}
+	else {
+		pulse = 0;
+		setFansSpeed((uint8_t)(pid.out * -1));
+	}
+	TIM1->CCR2 = pulse;
+
+	//Draw PID value
+	if (Screen == SCR_RUNNING) {
+		snprintf(str, 7, "%3.2f", pid.out);
+		//snprintf(str, 7, "%3d.%02d", (int)pid.out, (int)((pid.out-(int)pid.out)*100));
+		osMutexAcquire(mutScreenHandle, osWaitForever);
+		ST7793_SetFontSize(1);
+		ST7793_FillRect(Darkergray, 11, 180, 27, 192);
+		ST7793_DrawString(Black, Darkergray, str, 11, 180);
+
+		snprintf(str, 7, "P:%4d", pulse);
+		ST7793_FillRect(Lightgray, 100, 50, 116, 62);
+		ST7793_DrawString(Black, Lightgray, str, 100, 50);
+		osMutexRelease(mutScreenHandle);
+	}
+
+	if (Timer == 0 && Timer10 == 0) {
 		stime = 0;
 		stemp = 20;
 		dps = (presets[Preset].temperature[Stage] - stemp) / (float)(presets[Preset].time[Stage]);
+		Running = 1;
 	}

+	Timer10++;
+	if (Timer10%4 != 0) return;
+
 	Timer++;
 	osMutexAcquire(mutScreenHandle, osWaitForever);

@@ -553,7 +578,8 @@ void clockTick(void *argument)
 		ST7793_SetFontSize(2);
 		ST7793_DrawStringC(Yellow, Darkergray, "Done!", 210, 5);
 		osMutexRelease(mutScreenHandle);
-		osTimerStop(secTimerHandle);
+		stopHeater();
+		setFansSpeed(100);
 		return;
 	}

@@ -580,63 +606,49 @@ void clockTick(void *argument)

 	//Calculate new aim temperature
 	aimTemperature = (Timer - stime) * dps + stemp;
-	snprintf(str, 8, "%3d.%02d", (int)aimTemperature, (int)((aimTemperature - (int)aimTemperature)*100));
+	snprintf(str, 8, "%3.2f", aimTemperature);
+	//snprintf(str, 8, "%3d.%02d", (int)aimTemperature, (int)((aimTemperature - (int)aimTemperature)*100));
 	ST7793_SetFontSize(1);
 	ST7793_DrawString(Black, Darkergray, str, 10, 140);

 	osMutexRelease(mutScreenHandle);
+
+
+
  /* USER CODE END clockTick */
 }

 /* Private application code --------------------------------------------------*/
 /* USER CODE BEGIN Application */
 char str[10] = {0};
-uint16_t lvl = 989;
+//uint16_t lvl = 989;
 void btnPressed(uint8_t id) {

 	switch (id) {
 	case BTN_PRE1:								// PRE1
-		PID_Init(&pid);
-		TIM1->CCR2 = 1020;
-		ST7793_Brightness(99);
+
 		break;
 	case BTN_PRE2:								// PRE2
-		lvl -= 50;
-		if (lvl < 60) lvl = 989;
-		TIM1->ARR = lvl+10;
-		TIM1->CCR2 = lvl;
-		//htim1.Instance->EGR |= 1;

-		updateTInfo();
-		ST7793_Brightness(75);
 		break;
 	case BTN_PRE3:								// PRE3
-		PID_Init(&pid);

-		ST7793_Brightness(50);
 		break;
 	case BTN_PRE4:								// PRE4
-		lvl += 50;
-		if (lvl > 930) lvl = 60;
-		TIM1->ARR = lvl+10;
-		TIM1->CCR2 = lvl;
-		updateTInfo();
-		ST7793_Brightness(25);
+
 		break;
 	case BTN_START:								// START
 		Timer = 0;
+		Timer10 = 0;
 		Stage = 0;
 		drawRunningScreen();
-		osTimerStart(secTimerHandle, 1000);
+		osTimerStart(secTimerHandle, 250);
 		break;
 	case BTN_COG:								// COG (Settings)
-//		drawBootScreen();
-//		osDelay(10000);
-//		drawMainScreen();
 		drawSettingsScreen();
 		break;
 	case BTN_STOP:
-		osTimerStop(secTimerHandle);
+		stopHeater();
 		drawMainScreen();
 		break;
 	case BTN_OK:
@@ -645,7 +657,7 @@ void btnPressed(uint8_t id) {
 	}
 }

-void updateTInfo(void) {
+void updateTInfo(uint16_t lvl) {
 	osMutexAcquire(mutScreenHandle, osWaitForever);
 	ST7793_SetFontSize(1);
 	snprintf(str, 8, "T:%d", lvl);
@@ -818,7 +830,7 @@ void drawPlan(uint8_t use_mutex, uint8_t numbers, uint8_t wide) {
 }

 //Play one of the beeps
-void playSound(uint8_t sound) {
+void playSound(uint8_t sound, uint8_t note) {
 	uint16_t time;
 	uint8_t enabled = 1;

@@ -831,15 +843,52 @@ void playSound(uint8_t sound) {
 			break;
 		case S_CLICK:
 			if (!settings.btn_clicks) enabled = 0;
-			else time = 10;
+			else time = 5;
 			break;
 	}
 	if (enabled) {
-		TIM17->ARR = time;
-		HAL_GPIO_WritePin(BUZZER_GPIO_Port, BUZZER_Pin, GPIO_PIN_SET);
-		HAL_TIM_Base_Start_IT(&htim17);
+		setSoundPitch(note);
+		TIM16->ARR = time;
+		//HAL_GPIO_WritePin(BUZZER_GPIO_Port, BUZZER_Pin, GPIO_PIN_SET);
+		HAL_TIM_PWM_Start(&htim17, TIM_CHANNEL_1);
+		HAL_TIM_Base_Start_IT(&htim16);
 	}
+}

+//Play a test sound
+void playTestSound() {
+	static uint8_t i;
+
+	for (i=0; i<6; i++) {
+		setSoundPitch(i);
+		HAL_TIM_PWM_Start(&htim17, TIM_CHANNEL_1);
+		osDelay(500);
+	}
+	HAL_TIM_PWM_Stop(&htim17, TIM_CHANNEL_1);
+
+}
+
+//Set sound pitch
+void setSoundPitch(uint8_t note) {
+	static const uint16_t notes[] = {
+			58182, //A2
+			29091, //A3
+			14545, //A4
+			7273,  //A5
+			3636,  //A6
+			1818,  //A7
+			909    //A8
+	};
+
+	if (note > 6) note = 0;
+	htim17.Init.Period = notes[note];
+	HAL_TIM_Base_Init(&htim17);
+	TIM_OC_InitTypeDef conf = {0};
+	conf.OCMode = TIM_OCMODE_PWM1;
+	conf.Pulse = notes[note] >> 1;
+	conf.OCPolarity = TIM_OCPOLARITY_HIGH;
+	conf.OCFastMode = TIM_OCFAST_DISABLE;
+	HAL_TIM_PWM_ConfigChannel(&htim17, &conf, TIM_CHANNEL_1);
 }

 //Draw a button by ID
@@ -857,5 +906,31 @@ void drawButton(uint8_t id, uint8_t func) {
 		func
 	);
 }
+
+//Set fans speed
+void setFansSpeed(uint8_t speed) {
+	if (speed == 0) {
+		if (fanActive) {
+			HAL_TIM_PWM_Stop(&htim14, TIM_CHANNEL_1);
+			fanActive = 0;
+		}
+	} else {
+		if (speed > 100) speed = 100;
+		TIM14->CCR1 = speed;
+		if (!fanActive) {
+			fanActive = 1;
+			HAL_TIM_PWM_Start(&htim14, TIM_CHANNEL_1);
+		}
+	}
+}
+
+//Stop the heater and reset the PID
+void stopHeater(void) {
+	if (osTimerIsRunning(secTimerHandle))	osTimerStop(secTimerHandle);
+	aimTemperature = 0.0f;
+	PID_Init(&pid);
+	TIM1->CCR2 = 0;
+	Running = 0;
+}
 /* USER CODE END Application */

--- a/firmware/PCB-Heater/Core/Src/gpio.c
+++ b/firmware/PCB-Heater/Core/Src/gpio.c
@@ -58,7 +58,7 @@ void MX_GPIO_Init(void)
                          |LCD_D4_Pin|LCD_D5_Pin|LCD_D6_Pin|LCD_D7_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(GPIOB, LCD_RS_Pin|LCD_WR_Pin|BUZZER_Pin, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOB, LCD_RS_Pin|LCD_WR_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(MAX_CS_GPIO_Port, MAX_CS_Pin, GPIO_PIN_SET);
@@ -99,12 +99,12 @@ void MX_GPIO_Init(void)
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

-  /*Configure GPIO pins : PBPin PBPin */
-  GPIO_InitStruct.Pin = MAX_CS_Pin|BUZZER_Pin;
+  /*Configure GPIO pin : PtPin */
+  GPIO_InitStruct.Pin = MAX_CS_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
-  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+  HAL_GPIO_Init(MAX_CS_GPIO_Port, &GPIO_InitStruct);

 }

--- a/firmware/PCB-Heater/Core/Src/main.c
+++ b/firmware/PCB-Heater/Core/Src/main.c
@@ -98,8 +98,16 @@ int main(void)
  MX_TIM15_Init();
  MX_TIM14_Init();
  MX_USART1_UART_Init();
+  MX_TIM16_Init();
  /* USER CODE BEGIN 2 */
-  __HAL_TIM_CLEAR_FLAG(&htim17, TIM_SR_UIF);	//clear the update flag so it wont trigger right away;
+
+  // TIM1  - Zero crossing and Triac duty
+  // TIM14 - Cooling fans PWM
+  // TIM15 - LCD backlight PWM
+  // TIM16 - Count beep duration
+  // TIM17 - PWM for passive buzzer
+
+  __HAL_TIM_CLEAR_FLAG(&htim16, TIM_SR_UIF);	//clear the update flag so it wont trigger right away;
  if (ST7793_Init() != 0) {
 	  HAL_GPIO_WritePin(LED_Status_GPIO_Port, LED_Status_Pin, GPIO_PIN_SET);
 	  while (1) {;}
@@ -109,6 +117,14 @@ int main(void)
  HAL_TIM_OnePulse_Start(&htim1, 2);
  //TIM1->CR1 |= TIM_CR1_CEN;
  HAL_TIM_PWM_Start(&htim15, TIM_CHANNEL_1);
+
+  HAL_TIM_Base_Start(&htim14);
+  //HAL_TIM_Base_Start(&htim17);
+
+  // Boot beep
+  HAL_TIM_PWM_Start(&htim17, TIM_CHANNEL_1);
+  HAL_Delay(70);
+  HAL_TIM_PWM_Stop(&htim17, TIM_CHANNEL_1);
  /* USER CODE END 2 */

  /* Init scheduler */
@@ -198,9 +214,10 @@ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
  }
  /* USER CODE BEGIN Callback 1 */

-  if (htim->Instance == TIM17) {
-  	HAL_TIM_Base_Stop_IT(&htim17);
-  	HAL_GPIO_WritePin(BUZZER_GPIO_Port, BUZZER_Pin, GPIO_PIN_RESET);
+  if (htim->Instance == TIM16) {
+  	HAL_TIM_Base_Stop_IT(&htim16);
+  	HAL_TIM_PWM_Stop(&htim17, TIM_CHANNEL_1);
+  	//HAL_GPIO_WritePin(BUZZER_GPIO_Port, BUZZER_Pin, GPIO_PIN_RESET);
  }

  /* USER CODE END Callback 1 */
--- a/firmware/PCB-Heater/Core/Src/pid.c
+++ b/firmware/PCB-Heater/Core/Src/pid.c
@@ -22,7 +22,7 @@ void PID_Init(PIDController *pid) {
 float PID_Update(PIDController *pid, float setpoint, float measurement) {
 	// PID = Kp + Ki * 1/s + Kd * s/(s*tau+1)

-	// e = error tothe setpoint
+	// e = error to the setpoint
 	// p[n] = Kp * e[n]
 	// i[n] = Ki*T/2 * (e[n]+e[n-1]) + i[n-1]
 	// d[n] = 2*Kd/(2*tau+T) * (e[n]-e[n-1]) + (2*tau-T)/(2*tau+T) * d[n-1]
--- a/firmware/PCB-Heater/Core/Src/stm32g0xx_hal_msp.c
+++ b/firmware/PCB-Heater/Core/Src/stm32g0xx_hal_msp.c
@@ -20,6 +20,7 @@

 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
+
 /* USER CODE BEGIN Includes */

 /* USER CODE END Includes */
--- a/firmware/PCB-Heater/Core/Src/stm32g0xx_hal_timebase_tim.c
+++ b/firmware/PCB-Heater/Core/Src/stm32g0xx_hal_timebase_tim.c
@@ -72,6 +72,7 @@ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
  htim6.Instance = TIM6;

  /* Initialize TIMx peripheral as follow:
+
  + Period = [(TIM6CLK/1000) - 1]. to have a (1/1000) s time base.
  + Prescaler = (uwTimclock/1000000 - 1) to have a 1MHz counter clock.
  + ClockDivision = 0
--- a/firmware/PCB-Heater/Core/Src/stm32g0xx_it.c
+++ b/firmware/PCB-Heater/Core/Src/stm32g0xx_it.c
@@ -55,6 +55,7 @@
 /* USER CODE END 0 */

 /* External variables --------------------------------------------------------*/
+extern TIM_HandleTypeDef htim16;
 extern TIM_HandleTypeDef htim17;
 extern TIM_HandleTypeDef htim6;

@@ -116,6 +117,20 @@ void TIM6_IRQHandler(void)
  /* USER CODE END TIM6_IRQn 1 */
 }

+/**
+  * @brief This function handles TIM16 global interrupt.
+  */
+void TIM16_IRQHandler(void)
+{
+  /* USER CODE BEGIN TIM16_IRQn 0 */
+
+  /* USER CODE END TIM16_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim16);
+  /* USER CODE BEGIN TIM16_IRQn 1 */
+
+  /* USER CODE END TIM16_IRQn 1 */
+}
+
 /**
  * @brief This function handles TIM17 global interrupt.
  */
--- a/firmware/PCB-Heater/Core/Src/tim.c
+++ b/firmware/PCB-Heater/Core/Src/tim.c
@@ -27,6 +27,7 @@
 TIM_HandleTypeDef htim1;
 TIM_HandleTypeDef htim14;
 TIM_HandleTypeDef htim15;
+TIM_HandleTypeDef htim16;
 TIM_HandleTypeDef htim17;

 /* TIM1 init function */
@@ -37,10 +38,8 @@ void MX_TIM1_Init(void)

  /* USER CODE END TIM1_Init 0 */

-  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
  TIM_SlaveConfigTypeDef sSlaveConfig = {0};
  TIM_MasterConfigTypeDef sMasterConfig = {0};
-  TIM_IC_InitTypeDef sConfigIC = {0};
  TIM_OC_InitTypeDef sConfigOC = {0};
  TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};

@@ -48,36 +47,23 @@ void MX_TIM1_Init(void)

  /* USER CODE END TIM1_Init 1 */
  htim1.Instance = TIM1;
-  htim1.Init.Prescaler = 640-1;
+  htim1.Init.Prescaler = 1;
  htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim1.Init.Period = 999;
+  htim1.Init.Period = 100-1;
  htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  htim1.Init.RepetitionCounter = 0;
-  htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
  if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
  {
    Error_Handler();
  }
-  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
-  if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  if (HAL_TIM_IC_Init(&htim1) != HAL_OK)
-  {
-    Error_Handler();
-  }
  if (HAL_TIM_PWM_Init(&htim1) != HAL_OK)
  {
    Error_Handler();
  }
-  if (HAL_TIM_OnePulse_Init(&htim1, TIM_OPMODE_SINGLE) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sSlaveConfig.SlaveMode = TIM_SLAVEMODE_COMBINED_RESETTRIGGER;
+  sSlaveConfig.SlaveMode = TIM_SLAVEMODE_EXTERNAL1;
  sSlaveConfig.InputTrigger = TIM_TS_TI1FP1;
-  sSlaveConfig.TriggerPolarity = TIM_INPUTCHANNELPOLARITY_RISING;
+  sSlaveConfig.TriggerPolarity = TIM_TRIGGERPOLARITY_RISING;
  sSlaveConfig.TriggerFilter = 0;
  if (HAL_TIM_SlaveConfigSynchro(&htim1, &sSlaveConfig) != HAL_OK)
  {
@@ -90,16 +76,8 @@ void MX_TIM1_Init(void)
  {
    Error_Handler();
  }
-  sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING;
-  sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI;
-  sConfigIC.ICPrescaler = TIM_ICPSC_DIV1;
-  sConfigIC.ICFilter = 0;
-  if (HAL_TIM_IC_ConfigChannel(&htim1, &sConfigIC, TIM_CHANNEL_1) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sConfigOC.OCMode = TIM_OCMODE_PWM2;
-  sConfigOC.Pulse = 1020;
+  sConfigOC.OCMode = TIM_OCMODE_PWM1;
+  sConfigOC.Pulse = 0;
  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
  sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
@@ -147,9 +125,9 @@ void MX_TIM14_Init(void)

  /* USER CODE END TIM14_Init 1 */
  htim14.Instance = TIM14;
-  htim14.Init.Prescaler = 0;
+  htim14.Init.Prescaler = 10-1;
  htim14.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim14.Init.Period = 65535;
+  htim14.Init.Period = 100-1;
  htim14.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  htim14.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  if (HAL_TIM_Base_Init(&htim14) != HAL_OK)
@@ -161,7 +139,7 @@ void MX_TIM14_Init(void)
    Error_Handler();
  }
  sConfigOC.OCMode = TIM_OCMODE_PWM1;
-  sConfigOC.Pulse = 0;
+  sConfigOC.Pulse = 100;
  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
  if (HAL_TIM_PWM_ConfigChannel(&htim14, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
@@ -191,7 +169,7 @@ void MX_TIM15_Init(void)

  /* USER CODE END TIM15_Init 1 */
  htim15.Instance = TIM15;
-  htim15.Init.Prescaler = 320-1;
+  htim15.Init.Prescaler = 640-1;
  htim15.Init.CounterMode = TIM_COUNTERMODE_UP;
  htim15.Init.Period = 100-1;
  htim15.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
@@ -244,6 +222,37 @@ void MX_TIM15_Init(void)
  /* USER CODE END TIM15_Init 2 */
  HAL_TIM_MspPostInit(&htim15);

+}
+/* TIM16 init function */
+void MX_TIM16_Init(void)
+{
+
+  /* USER CODE BEGIN TIM16_Init 0 */
+
+  /* USER CODE END TIM16_Init 0 */
+
+  /* USER CODE BEGIN TIM16_Init 1 */
+
+  /* USER CODE END TIM16_Init 1 */
+  htim16.Instance = TIM16;
+  htim16.Init.Prescaler = 64000-1;
+  htim16.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim16.Init.Period = 999;
+  htim16.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim16.Init.RepetitionCounter = 0;
+  htim16.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  if (HAL_TIM_Base_Init(&htim16) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_TIM_OnePulse_Init(&htim16, TIM_OPMODE_SINGLE) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM16_Init 2 */
+
+  /* USER CODE END TIM16_Init 2 */
+
 }
 /* TIM17 init function */
 void MX_TIM17_Init(void)
@@ -253,13 +262,16 @@ void MX_TIM17_Init(void)

  /* USER CODE END TIM17_Init 0 */

+  TIM_OC_InitTypeDef sConfigOC = {0};
+  TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};
+
  /* USER CODE BEGIN TIM17_Init 1 */

  /* USER CODE END TIM17_Init 1 */
  htim17.Instance = TIM17;
-  htim17.Init.Prescaler = 64000-1;
+  htim17.Init.Prescaler = 10-1;
  htim17.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim17.Init.Period = 999;
+  htim17.Init.Period = 14545-1;
  htim17.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  htim17.Init.RepetitionCounter = 0;
  htim17.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
@@ -267,13 +279,37 @@ void MX_TIM17_Init(void)
  {
    Error_Handler();
  }
-  if (HAL_TIM_OnePulse_Init(&htim17, TIM_OPMODE_SINGLE) != HAL_OK)
+  if (HAL_TIM_PWM_Init(&htim17) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sConfigOC.OCMode = TIM_OCMODE_PWM1;
+  sConfigOC.Pulse = 7272;
+  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
+  sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
+  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
+  sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
+  sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
+  if (HAL_TIM_PWM_ConfigChannel(&htim17, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;
+  sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
+  sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
+  sBreakDeadTimeConfig.DeadTime = 0;
+  sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
+  sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
+  sBreakDeadTimeConfig.BreakFilter = 0;
+  sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
+  if (HAL_TIMEx_ConfigBreakDeadTime(&htim17, &sBreakDeadTimeConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN TIM17_Init 2 */

  /* USER CODE END TIM17_Init 2 */
+  HAL_TIM_MspPostInit(&htim17);

 }

@@ -326,6 +362,21 @@ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)

  /* USER CODE END TIM15_MspInit 1 */
  }
+  else if(tim_baseHandle->Instance==TIM16)
+  {
+  /* USER CODE BEGIN TIM16_MspInit 0 */
+
+  /* USER CODE END TIM16_MspInit 0 */
+    /* TIM16 clock enable */
+    __HAL_RCC_TIM16_CLK_ENABLE();
+
+    /* TIM16 interrupt Init */
+    HAL_NVIC_SetPriority(TIM16_IRQn, 3, 0);
+    HAL_NVIC_EnableIRQ(TIM16_IRQn);
+  /* USER CODE BEGIN TIM16_MspInit 1 */
+
+  /* USER CODE END TIM16_MspInit 1 */
+  }
  else if(tim_baseHandle->Instance==TIM17)
  {
  /* USER CODE BEGIN TIM17_MspInit 0 */
@@ -408,6 +459,27 @@ void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)

  /* USER CODE END TIM15_MspPostInit 1 */
  }
+  else if(timHandle->Instance==TIM17)
+  {
+  /* USER CODE BEGIN TIM17_MspPostInit 0 */
+
+  /* USER CODE END TIM17_MspPostInit 0 */
+
+    __HAL_RCC_GPIOB_CLK_ENABLE();
+    /**TIM17 GPIO Configuration
+    PB9     ------> TIM17_CH1
+    */
+    GPIO_InitStruct.Pin = BUZZER_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF2_TIM17;
+    HAL_GPIO_Init(BUZZER_GPIO_Port, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN TIM17_MspPostInit 1 */
+
+  /* USER CODE END TIM17_MspPostInit 1 */
+  }

 }

@@ -454,6 +526,20 @@ void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)

  /* USER CODE END TIM15_MspDeInit 1 */
  }
+  else if(tim_baseHandle->Instance==TIM16)
+  {
+  /* USER CODE BEGIN TIM16_MspDeInit 0 */
+
+  /* USER CODE END TIM16_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM16_CLK_DISABLE();
+
+    /* TIM16 interrupt Deinit */
+    HAL_NVIC_DisableIRQ(TIM16_IRQn);
+  /* USER CODE BEGIN TIM16_MspDeInit 1 */
+
+  /* USER CODE END TIM16_MspDeInit 1 */
+  }
  else if(tim_baseHandle->Instance==TIM17)
  {
  /* USER CODE BEGIN TIM17_MspDeInit 0 */
--- a/firmware/PCB-Heater/PCB-Heater.ioc
+++ b/firmware/PCB-Heater/PCB-Heater.ioc
@@ -28,7 +28,8 @@ Mcu.CPN=STM32G070RBT6
 Mcu.Family=STM32G0
 Mcu.IP0=ADC1
 Mcu.IP1=FREERTOS
-Mcu.IP10=USART1
+Mcu.IP10=TIM17
+Mcu.IP11=USART1
 Mcu.IP2=NVIC
 Mcu.IP3=RCC
 Mcu.IP4=SPI2
@@ -36,8 +37,8 @@ Mcu.IP5=SYS
 Mcu.IP6=TIM1
 Mcu.IP7=TIM14
 Mcu.IP8=TIM15
-Mcu.IP9=TIM17
-Mcu.IPNb=11
+Mcu.IP9=TIM16
+Mcu.IPNb=12
 Mcu.Name=STM32G070RBTx
 Mcu.Package=LQFP64
 Mcu.Pin0=PC12
@@ -68,25 +69,24 @@ Mcu.Pin30=PB9
 Mcu.Pin31=VP_FREERTOS_VS_CMSIS_V2
 Mcu.Pin32=VP_SYS_VS_tim6
 Mcu.Pin33=VP_SYS_VS_DBSignals
-Mcu.Pin34=VP_TIM1_VS_ControllerModeCombinedResetTrigger
-Mcu.Pin35=VP_TIM1_VS_ClockSourceINT
-Mcu.Pin36=VP_TIM1_VS_OPM
-Mcu.Pin37=VP_TIM14_VS_ClockSourceINT
-Mcu.Pin38=VP_TIM15_VS_ClockSourceINT
+Mcu.Pin34=VP_TIM1_VS_ControllerModeClock
+Mcu.Pin35=VP_TIM14_VS_ClockSourceINT
+Mcu.Pin36=VP_TIM15_VS_ClockSourceINT
+Mcu.Pin37=VP_TIM16_VS_ClockSourceINT
+Mcu.Pin38=VP_TIM16_VS_OPM
 Mcu.Pin39=VP_TIM17_VS_ClockSourceINT
 Mcu.Pin4=PC1
-Mcu.Pin40=VP_TIM17_VS_OPM
 Mcu.Pin5=PC2
 Mcu.Pin6=PC3
 Mcu.Pin7=PA0
 Mcu.Pin8=PA1
 Mcu.Pin9=PA2
-Mcu.PinsNb=41
+Mcu.PinsNb=40
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32G070RBTx
-MxCube.Version=6.6.1
-MxDb.Version=DB.6.0.60
+MxCube.Version=6.9.1
+MxDb.Version=DB.6.0.91
 NVIC.ForceEnableDMAVector=true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
 NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
@@ -96,6 +96,7 @@ NVIC.SavedPendsvIrqHandlerGenerated=true
 NVIC.SavedSvcallIrqHandlerGenerated=true
 NVIC.SavedSystickIrqHandlerGenerated=true
 NVIC.SysTick_IRQn=true\:3\:0\:false\:false\:false\:true\:false\:true\:false
+NVIC.TIM16_IRQn=true\:3\:0\:false\:false\:true\:true\:true\:true\:true
 NVIC.TIM17_IRQn=true\:3\:0\:false\:false\:true\:true\:true\:true\:true
 NVIC.TIM6_IRQn=true\:3\:0\:false\:false\:true\:false\:false\:true\:true
 NVIC.TimeBase=TIM6_IRQn
@@ -189,11 +190,10 @@ PB6.Signal=USART1_TX
 PB7.Locked=true
 PB7.Mode=Asynchronous
 PB7.Signal=USART1_RX
-PB9.GPIOParameters=GPIO_Speed,GPIO_Label
+PB9.GPIOParameters=GPIO_Label
 PB9.GPIO_Label=BUZZER
-PB9.GPIO_Speed=GPIO_SPEED_FREQ_HIGH
 PB9.Locked=true
-PB9.Signal=GPIO_Output
+PB9.Signal=S_TIM17_CH1
 PC1.GPIOParameters=GPIO_Label
 PC1.GPIO_Label=LCD_LED
 PC1.Signal=S_TIM15_CH1
@@ -252,12 +252,15 @@ ProjectManager.PreviousToolchain=STM32CubeIDE
 ProjectManager.ProjectBuild=false
 ProjectManager.ProjectFileName=PCB-Heater.ioc
 ProjectManager.ProjectName=PCB-Heater
+ProjectManager.ProjectStructure=
 ProjectManager.RegisterCallBack=
 ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=STM32CubeIDE
 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_TIM1_Init-TIM1-false-HAL-true,4-MX_ADC1_Init-ADC1-false-HAL-true,5-MX_SPI2_Init-SPI2-false-HAL-true,6-MX_TIM17_Init-TIM17-false-HAL-true,7-MX_TIM15_Init-TIM15-false-HAL-true,8-MX_TIM14_Init-TIM14-false-HAL-true,9-MX_USART1_UART_Init-USART1-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_TIM1_Init-TIM1-false-HAL-true,4-MX_ADC1_Init-ADC1-false-HAL-true,5-MX_SPI2_Init-SPI2-false-HAL-true,6-MX_TIM17_Init-TIM17-false-HAL-true,7-MX_TIM15_Init-TIM15-false-HAL-true,8-MX_TIM14_Init-TIM14-false-HAL-true,9-MX_USART1_UART_Init-USART1-false-HAL-true,10-MX_TIM16_Init-TIM16-false-HAL-true
 RCC.ADCFreq_Value=64000000
 RCC.AHBFreq_Value=64000000
 RCC.APBFreq_Value=64000000
@@ -289,9 +292,10 @@ SH.S_TIM14_CH1.0=TIM14_CH1,PWM Generation1 CH1
 SH.S_TIM14_CH1.ConfNb=1
 SH.S_TIM15_CH1.0=TIM15_CH1,PWM Generation1 CH1
 SH.S_TIM15_CH1.ConfNb=1
-SH.S_TIM1_CH1.0=TIM1_CH1,Input_Capture1_from_TI1
-SH.S_TIM1_CH1.1=TIM1_CH1,TriggerSource_TI1FP1
-SH.S_TIM1_CH1.ConfNb=2
+SH.S_TIM17_CH1.0=TIM17_CH1,PWM Generation1 CH1
+SH.S_TIM17_CH1.ConfNb=1
+SH.S_TIM1_CH1.0=TIM1_CH1,TriggerSource_TI1FP1
+SH.S_TIM1_CH1.ConfNb=1
 SH.S_TIM1_CH2.0=TIM1_CH2,PWM Generation2 CH2
 SH.S_TIM1_CH2.ConfNb=1
 SPI2.BaudRatePrescaler=SPI_BAUDRATEPRESCALER_16
@@ -301,29 +305,35 @@ SPI2.Direction=SPI_DIRECTION_2LINES_RXONLY
 SPI2.IPParameters=VirtualType,Mode,Direction,CalculateBaudRate,DataSize,BaudRatePrescaler
 SPI2.Mode=SPI_MODE_MASTER
 SPI2.VirtualType=VM_MASTER
-TIM1.AutoReloadPreload=TIM_AUTORELOAD_PRELOAD_DISABLE
+TIM1.AutoReloadPreload=TIM_AUTORELOAD_PRELOAD_ENABLE
 TIM1.AutomaticOutput=TIM_AUTOMATICOUTPUT_DISABLE
 TIM1.BreakState=TIM_BREAK_DISABLE
-TIM1.Channel-Input_Capture1_from_TI1=TIM_CHANNEL_1
 TIM1.Channel-PWM\ Generation2\ CH2=TIM_CHANNEL_2
-TIM1.ICPolarity_CH1=TIM_INPUTCHANNELPOLARITY_RISING
-TIM1.IPParameters=AutoReloadPreload,Prescaler,Period,BreakState,AutomaticOutput,Channel-Input_Capture1_from_TI1,ICPolarity_CH1,OCPolarity_2,Channel-PWM Generation2 CH2,OCMode_PWM-PWM Generation2 CH2,Pulse-PWM Generation2 CH2,OC2Preload_PWM
+TIM1.IPParameters=AutoReloadPreload,Prescaler,Period,BreakState,AutomaticOutput,OCPolarity_2,Channel-PWM Generation2 CH2,OCMode_PWM-PWM Generation2 CH2,Pulse-PWM Generation2 CH2,OC2Preload_PWM
 TIM1.OC2Preload_PWM=DISABLE
-TIM1.OCMode_PWM-PWM\ Generation2\ CH2=TIM_OCMODE_PWM2
+TIM1.OCMode_PWM-PWM\ Generation2\ CH2=TIM_OCMODE_PWM1
 TIM1.OCPolarity_2=TIM_OCPOLARITY_HIGH
-TIM1.Period=999
-TIM1.Prescaler=640-1
-TIM1.Pulse-PWM\ Generation2\ CH2=1020
+TIM1.Period=100-1
+TIM1.Prescaler=1
+TIM1.Pulse-PWM\ Generation2\ CH2=0
 TIM14.Channel=TIM_CHANNEL_1
-TIM14.IPParameters=Channel
+TIM14.IPParameters=Channel,Prescaler,Period,Pulse
+TIM14.Period=100-1
+TIM14.Prescaler=10-1
+TIM14.Pulse=100
 TIM15.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1
 TIM15.IPParameters=Channel-PWM Generation1 CH1,Prescaler,Period
 TIM15.Period=100-1
-TIM15.Prescaler=320-1
+TIM15.Prescaler=640-1
+TIM16.IPParameters=Prescaler,Period
+TIM16.Period=999
+TIM16.Prescaler=64000-1
 TIM17.AutoReloadPreload=TIM_AUTORELOAD_PRELOAD_DISABLE
-TIM17.IPParameters=Prescaler,Period,AutoReloadPreload
-TIM17.Period=999
-TIM17.Prescaler=64000-1
+TIM17.Channel=TIM_CHANNEL_1
+TIM17.IPParameters=Prescaler,Period,AutoReloadPreload,Channel,Pulse
+TIM17.Period=14545-1
+TIM17.Prescaler=10-1
+TIM17.Pulse=7272
 USART1.IPParameters=VirtualMode-Asynchronous
 USART1.VirtualMode-Asynchronous=VM_ASYNC
 VP_FREERTOS_VS_CMSIS_V2.Mode=CMSIS_V2
@@ -336,15 +346,14 @@ VP_TIM14_VS_ClockSourceINT.Mode=Enable_Timer
 VP_TIM14_VS_ClockSourceINT.Signal=TIM14_VS_ClockSourceINT
 VP_TIM15_VS_ClockSourceINT.Mode=Internal
 VP_TIM15_VS_ClockSourceINT.Signal=TIM15_VS_ClockSourceINT
+VP_TIM16_VS_ClockSourceINT.Mode=Enable_Timer
+VP_TIM16_VS_ClockSourceINT.Signal=TIM16_VS_ClockSourceINT
+VP_TIM16_VS_OPM.Mode=OPM_bit
+VP_TIM16_VS_OPM.Signal=TIM16_VS_OPM
 VP_TIM17_VS_ClockSourceINT.Mode=Enable_Timer
 VP_TIM17_VS_ClockSourceINT.Signal=TIM17_VS_ClockSourceINT
-VP_TIM17_VS_OPM.Mode=OPM_bit
-VP_TIM17_VS_OPM.Signal=TIM17_VS_OPM
-VP_TIM1_VS_ClockSourceINT.Mode=Internal
-VP_TIM1_VS_ClockSourceINT.Signal=TIM1_VS_ClockSourceINT
-VP_TIM1_VS_ControllerModeCombinedResetTrigger.Mode=Combined_Reset_Trigger_Mode
-VP_TIM1_VS_ControllerModeCombinedResetTrigger.Signal=TIM1_VS_ControllerModeCombinedResetTrigger
-VP_TIM1_VS_OPM.Mode=OPM_bit
-VP_TIM1_VS_OPM.Signal=TIM1_VS_OPM
+VP_TIM1_VS_ControllerModeClock.Mode=Clock Mode
+VP_TIM1_VS_ControllerModeClock.Signal=TIM1_VS_ControllerModeClock
 board=custom
+rtos.0.ip=FREERTOS
 isbadioc=false
--- a/images/CAD1.png
+++ b/images/CAD1.png
--- a/kicad/pcb-heater/BOM.xlsx
+++ b/kicad/pcb-heater/BOM.xlsx
--- a/kicad/pcb-heater/pcb-heater.kicad_pro
+++ b/kicad/pcb-heater/pcb-heater.kicad_pro
@@ -391,18 +391,23 @@
    "rule_severities": {
      "bus_definition_conflict": "error",
      "bus_entry_needed": "error",
-      "bus_label_syntax": "error",
      "bus_to_bus_conflict": "error",
      "bus_to_net_conflict": "error",
+      "conflicting_netclasses": "error",
      "different_unit_footprint": "error",
      "different_unit_net": "error",
      "duplicate_reference": "error",
      "duplicate_sheet_names": "error",
+      "endpoint_off_grid": "warning",
      "extra_units": "error",
      "global_label_dangling": "warning",
      "hier_label_mismatch": "error",
      "label_dangling": "error",
      "lib_symbol_issues": "warning",
+      "missing_bidi_pin": "warning",
+      "missing_input_pin": "warning",
+      "missing_power_pin": "error",
+      "missing_unit": "warning",
      "multiple_net_names": "warning",
      "net_not_bus_member": "warning",
      "no_connect_connected": "warning",
@@ -412,6 +417,7 @@
      "pin_to_pin": "warning",
      "power_pin_not_driven": "error",
      "similar_labels": "warning",
+      "simulation_model_issue": "error",
      "unannotated": "error",
      "unit_value_mismatch": "error",
      "unresolved_variable": "error",
@@ -467,6 +473,8 @@
  "schematic": {
    "annotate_start_num": 0,
    "drawing": {
+      "dashed_lines_dash_length_ratio": 12.0,
+      "dashed_lines_gap_length_ratio": 3.0,
      "default_line_thickness": 6.0,
      "default_text_size": 50.0,
      "field_names": [],
@@ -498,7 +506,11 @@
    "page_layout_descr_file": "",
    "plot_directory": "",
    "spice_adjust_passive_values": false,
+    "spice_current_sheet_as_root": false,
    "spice_external_command": "spice \"%I\"",
+    "spice_model_current_sheet_as_root": true,
+    "spice_save_all_currents": false,
+    "spice_save_all_voltages": false,
    "subpart_first_id": 65,
    "subpart_id_separator": 0
  },
--- a/kicad/pcb-heater/pcb-heater.kicad_sch
+++ b/kicad/pcb-heater/pcb-heater.kicad_sch
@@ -6901,7 +6901,7 @@
    (property "Reference" "F1" (at 143.51 32.385 90)
      (effects (font (size 1.27 1.27)))
    )
-    (property "Value" "0.5A" (at 144.145 35.56 90)
+    (property "Value" "5A" (at 144.145 35.56 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "my_additions:Fuse_1808_0451_Holder_HandSolder" (at 149.86 32.385 0)
--- a/kicad/pcb-heater/pcb-heater.pdf
+++ b/kicad/pcb-heater/pcb-heater.pdf
Author	SHA1	Message	Date
Anton Mukhin	aa440d63a1	Experiment 1; Looks good	2023-08-09 04:38:55 +03:00
Anton Mukhin	01c8f289ea	Wider Triac pulse; PID parameters are tuned	2023-08-09 02:07:22 +03:00
Anton Mukhin	fe65e6c97c	generated schematic in PDF; Readme.md update	2023-08-03 13:03:18 +03:00
Anton Mukhin	e627d77f91	Readme.md update	2023-08-03 12:44:46 +03:00
Anton Mukhin	f5ccc129f6	One more image	2023-08-03 12:32:48 +03:00
Anton Mukhin	67ad9e697c	Removed test stuff; fan cooling after end pf a program;	2023-07-19 01:15:18 +03:00
Anton Mukhin	69889f740e	Firmware: migrated to CubeMX 6.8.1	2023-07-07 02:19:21 +03:00
Anton Mukhin	248086f80b	Firmware: Fans; PID; Removed testing stuff; many small amends	2023-07-07 02:17:24 +03:00
Anton Mukhin	bcc34cae8b	Merge branch 'hardware-rev2'	2023-02-22 23:10:44 +03:00