From 51e5fbce7389e57fd7aacc8a9d443db64f3f8f90 Mon Sep 17 00:00:00 2001
From: imi415 <imi415.public@gmail.com>
Date: Wed, 25 Aug 2021 03:11:43 +0800
Subject: [PATCH] Implemented sleep mode.

---
 CMakeLists.txt                   |   1 +
 Core/Inc/FreeRTOSConfig.h        |   5 +
 Core/Inc/main.h                  |   2 +
 Core/Inc/stm32f4xx_hal_conf.h    |   2 +-
 Core/Inc/stm32f4xx_it.h          |   1 +
 Core/Src/main.c                  |  85 +++++++++---
 Core/Src/stm32f4xx_hal_msp.c     |  50 +++++++
 Core/Src/stm32f4xx_it.c          |  15 +++
 Core/Src/user_freertos_support.c |  23 ++++
 Core/Src/user_power_mgmt.c       |  57 +++++++-
 Makefile                         |   2 +-
 STM32F407ZE_MRB.ioc              | 215 ++++++++++++++++++++-----------
 12 files changed, 356 insertions(+), 102 deletions(-)
 create mode 100644 Core/Src/user_freertos_support.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 400ad55..fac91e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,6 +22,7 @@ set(C_SOURCES
     "Core/Src/freertos.c"
     "Core/Src/stm32f4xx_hal_timebase_tim.c"
     "Core/Src/user_power_mgmt.c"
+    "Core/Src/user_freertos_support.c"
 )
 # Copy them from Makefile
 set(ASM_SOURCES
diff --git a/Core/Inc/FreeRTOSConfig.h b/Core/Inc/FreeRTOSConfig.h
index 3a44573..19af429 100644
--- a/Core/Inc/FreeRTOSConfig.h
+++ b/Core/Inc/FreeRTOSConfig.h
@@ -166,9 +166,14 @@ standard names. */
 /* USER CODE BEGIN Defines */
 /* Section where parameter definitions can be added (for instance, to override default ones in FreeRTOS.h) */
 
+void vApplicationSleep(uint32_t xExpectedIdleTime);
+
 /* Override CMSIS OS2 heap settings */
 #define configAPPLICATION_ALLOCATED_HEAP     1
 
+#define configUSE_TICKLESS_IDLE              2
+#define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vApplicationSleep(xExpectedIdleTime)
+
 /* USER CODE END Defines */
 
 #endif /* FREERTOS_CONFIG_H */
diff --git a/Core/Inc/main.h b/Core/Inc/main.h
index 9c56431..1a6eb96 100644
--- a/Core/Inc/main.h
+++ b/Core/Inc/main.h
@@ -58,6 +58,8 @@ void Error_Handler(void);
 /* USER CODE END EFP */
 
 /* Private defines -----------------------------------------------------------*/
+#define LED1_Pin GPIO_PIN_9
+#define LED1_GPIO_Port GPIOF
 /* USER CODE BEGIN Private defines */
 
 /* USER CODE END Private defines */
diff --git a/Core/Inc/stm32f4xx_hal_conf.h b/Core/Inc/stm32f4xx_hal_conf.h
index a9892fa..f837ad5 100644
--- a/Core/Inc/stm32f4xx_hal_conf.h
+++ b/Core/Inc/stm32f4xx_hal_conf.h
@@ -188,7 +188,7 @@
 #define  USE_HAL_SPDIFRX_REGISTER_CALLBACKS     0U /* SPDIFRX register callback disabled   */
 #define  USE_HAL_SMBUS_REGISTER_CALLBACKS       0U /* SMBUS register callback disabled     */
 #define  USE_HAL_SPI_REGISTER_CALLBACKS         0U /* SPI register callback disabled       */
-#define  USE_HAL_TIM_REGISTER_CALLBACKS         0U /* TIM register callback disabled       */
+#define  USE_HAL_TIM_REGISTER_CALLBACKS         1U /* TIM register callback enabled       */
 #define  USE_HAL_UART_REGISTER_CALLBACKS        0U /* UART register callback disabled      */
 #define  USE_HAL_USART_REGISTER_CALLBACKS       0U /* USART register callback disabled     */
 #define  USE_HAL_WWDG_REGISTER_CALLBACKS        0U /* WWDG register callback disabled      */
diff --git a/Core/Inc/stm32f4xx_it.h b/Core/Inc/stm32f4xx_it.h
index 239c07b..fd9b71c 100644
--- a/Core/Inc/stm32f4xx_it.h
+++ b/Core/Inc/stm32f4xx_it.h
@@ -53,6 +53,7 @@ void MemManage_Handler(void);
 void BusFault_Handler(void);
 void UsageFault_Handler(void);
 void DebugMon_Handler(void);
+void TIM6_DAC_IRQHandler(void);
 void TIM7_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
diff --git a/Core/Src/main.c b/Core/Src/main.c
index c9d93d0..2ccf21a 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -46,6 +46,8 @@
 /* Private variables ---------------------------------------------------------*/
 RTC_HandleTypeDef hrtc;
 
+TIM_HandleTypeDef htim6;
+
 UART_HandleTypeDef huart1;
 
 SRAM_HandleTypeDef hsram1;
@@ -75,6 +77,7 @@ static void MX_GPIO_Init(void);
 static void MX_RTC_Init(void);
 static void MX_USART1_UART_Init(void);
 static void MX_FSMC_Init(void);
+static void MX_TIM6_Init(void);
 void StartDefaultTask(void *argument);
 
 /* USER CODE BEGIN PFP */
@@ -117,6 +120,7 @@ int main(void)
   MX_RTC_Init();
   MX_USART1_UART_Init();
   MX_FSMC_Init();
+  MX_TIM6_Init();
   /* USER CODE BEGIN 2 */
 
   // Define heap region for heap_5.
@@ -279,6 +283,44 @@ static void MX_RTC_Init(void)
 
 }
 
+/**
+  * @brief TIM6 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_TIM6_Init(void)
+{
+
+  /* USER CODE BEGIN TIM6_Init 0 */
+
+  /* USER CODE END TIM6_Init 0 */
+
+  TIM_MasterConfigTypeDef sMasterConfig = {0};
+
+  /* USER CODE BEGIN TIM6_Init 1 */
+
+  /* USER CODE END TIM6_Init 1 */
+  htim6.Instance = TIM6;
+  htim6.Init.Prescaler = 4000 - 1;
+  htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim6.Init.Period = 1000;
+  htim6.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  if (HAL_TIM_Base_Init(&htim6) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM6_Init 2 */
+
+  /* USER CODE END TIM6_Init 2 */
+
+}
+
 /**
   * @brief USART1 Initialization Function
   * @param None
@@ -319,6 +361,7 @@ static void MX_USART1_UART_Init(void)
   */
 static void MX_GPIO_Init(void)
 {
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
 
   /* GPIO Ports Clock Enable */
   __HAL_RCC_GPIOC_CLK_ENABLE();
@@ -329,6 +372,16 @@ static void MX_GPIO_Init(void)
   __HAL_RCC_GPIOD_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
 
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_SET);
+
+  /*Configure GPIO pin : LED1_Pin */
+  GPIO_InitStruct.Pin = LED1_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+  HAL_GPIO_Init(LED1_GPIO_Port, &GPIO_InitStruct);
+
 }
 
 /* FSMC initialization function */
@@ -390,6 +443,15 @@ void _putchar(char character) {
   HAL_UART_Transmit(&huart1, (uint8_t *)&character, 1, 1000);
 }
 
+void user_pm_frequency_update_callback(void) {
+    // STM32Cube relies on the systick timer for FreeRTOS tick, update anyway.
+    // A timing jitter may occur.
+    SysTick_Config(configCPU_CLOCK_HZ / configTICK_RATE_HZ);
+
+    // Other peripherals also needs to be updated.
+    HAL_UART_Init(&huart1);
+}
+
 static void update_frequency_profile(user_pm_vfs_preset_t profile) {
 
     // Do not switch my context out.
@@ -397,22 +459,16 @@ static void update_frequency_profile(user_pm_vfs_preset_t profile) {
 
     // Scale frequency.
     user_pm_scale_vfs(profile);
-    // STM32Cube relies on the systick timer for FreeRTOS tick, update anyway.
-    // A timing jitter may occur.
-    SysTick_Config(configCPU_CLOCK_HZ / configTICK_RATE_HZ);
-
-    // Other peripherals also needs to be updated.
-    HAL_UART_Init(&huart1);
 
     taskEXIT_CRITICAL();
 }
 
 static void report_system_frequencies(void) {
   printf("======== Report System Clock Frequencies ========\r\n");
-  printf("[%012u] SYSCLK: %012uHz\r\n", xTaskGetTickCount(), HAL_RCC_GetSysClockFreq());
-  printf("[%012u]   HCLK: %012uHz\r\n", xTaskGetTickCount(), HAL_RCC_GetHCLKFreq());
-  printf("[%012u]  PCLK1: %012uHz\r\n", xTaskGetTickCount(), HAL_RCC_GetPCLK1Freq());
-  printf("[%012u]  PCLK2: %012uHz\r\n", xTaskGetTickCount(), HAL_RCC_GetPCLK2Freq());
+  printf("[%012u] SYSCLK: %uMHz\t", xTaskGetTickCount(), HAL_RCC_GetSysClockFreq() / 1000000);
+  printf("HCLK: %uMHz\t", HAL_RCC_GetHCLKFreq() / 1000000);
+  printf("PCLK1: %uMHz\t", HAL_RCC_GetPCLK1Freq() / 1000000);
+  printf("PCLK2: %uMHz\r\n", HAL_RCC_GetPCLK2Freq() / 1000000);
   printf("================== Report Done ==================\r\n");
 }
 
@@ -432,15 +488,14 @@ void StartDefaultTask(void *argument)
   HeapStats_t stats;
   vPortGetHeapStats(&stats);
   printf("Heap available: %d bytes.\r\n", stats.xAvailableHeapSpaceInBytes);
+  update_frequency_profile(USER_PM_VFS_LOW_1);
 
   /* Infinite loop */
   for(;;)
   {
-    for(uint8_t i = USER_PM_VFS_SAFE + 1; i < USER_PM_VFS_END; i++) {
-      update_frequency_profile(i);
-      report_system_frequencies();
-      osDelay(5000);
-    }
+    report_system_frequencies();
+    HAL_GPIO_TogglePin(LED1_GPIO_Port, LED1_Pin);
+    osDelay(1000);
   }
   /* USER CODE END 5 */
 }
diff --git a/Core/Src/stm32f4xx_hal_msp.c b/Core/Src/stm32f4xx_hal_msp.c
index fdac635..ace6826 100644
--- a/Core/Src/stm32f4xx_hal_msp.c
+++ b/Core/Src/stm32f4xx_hal_msp.c
@@ -133,6 +133,56 @@ void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc)
 
 }
 
+/**
+* @brief TIM_Base MSP Initialization
+* This function configures the hardware resources used in this example
+* @param htim_base: TIM_Base handle pointer
+* @retval None
+*/
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
+{
+  if(htim_base->Instance==TIM6)
+  {
+  /* USER CODE BEGIN TIM6_MspInit 0 */
+
+  /* USER CODE END TIM6_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_TIM6_CLK_ENABLE();
+    /* TIM6 interrupt Init */
+    HAL_NVIC_SetPriority(TIM6_DAC_IRQn, 5, 0);
+    HAL_NVIC_EnableIRQ(TIM6_DAC_IRQn);
+  /* USER CODE BEGIN TIM6_MspInit 1 */
+
+  /* USER CODE END TIM6_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief TIM_Base MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param htim_base: TIM_Base handle pointer
+* @retval None
+*/
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
+{
+  if(htim_base->Instance==TIM6)
+  {
+  /* USER CODE BEGIN TIM6_MspDeInit 0 */
+
+  /* USER CODE END TIM6_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM6_CLK_DISABLE();
+
+    /* TIM6 interrupt DeInit */
+    HAL_NVIC_DisableIRQ(TIM6_DAC_IRQn);
+  /* USER CODE BEGIN TIM6_MspDeInit 1 */
+
+  /* USER CODE END TIM6_MspDeInit 1 */
+  }
+
+}
+
 /**
 * @brief UART MSP Initialization
 * This function configures the hardware resources used in this example
diff --git a/Core/Src/stm32f4xx_it.c b/Core/Src/stm32f4xx_it.c
index 84be045..a7bfe28 100644
--- a/Core/Src/stm32f4xx_it.c
+++ b/Core/Src/stm32f4xx_it.c
@@ -56,6 +56,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
+extern TIM_HandleTypeDef htim6;
 extern TIM_HandleTypeDef htim7;
 
 /* USER CODE BEGIN EV */
@@ -161,6 +162,20 @@ void DebugMon_Handler(void)
 /* please refer to the startup file (startup_stm32f4xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles TIM6 global interrupt, DAC1 and DAC2 underrun error interrupts.
+  */
+void TIM6_DAC_IRQHandler(void)
+{
+  /* USER CODE BEGIN TIM6_DAC_IRQn 0 */
+
+  /* USER CODE END TIM6_DAC_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim6);
+  /* USER CODE BEGIN TIM6_DAC_IRQn 1 */
+
+  /* USER CODE END TIM6_DAC_IRQn 1 */
+}
+
 /**
   * @brief This function handles TIM7 global interrupt.
   */
diff --git a/Core/Src/user_freertos_support.c b/Core/Src/user_freertos_support.c
new file mode 100644
index 0000000..d6efc8a
--- /dev/null
+++ b/Core/Src/user_freertos_support.c
@@ -0,0 +1,23 @@
+#include "FreeRTOS.h"
+#include "task.h"
+
+#include "stm32f4xx_hal.h"
+
+#include "user_power_mgmt.h"
+
+void vApplicationSleep(uint32_t xExpectedIdleTime) {
+    // Enter a critical section
+    __disable_irq();
+
+    eSleepModeStatus eSleepStatus = eTaskConfirmSleepModeStatus();
+    if(eSleepStatus == eAbortSleep) {
+        // Do nothing, just return.
+    }
+    else {
+        uint32_t actual_ms = user_pm_idle_timeout(xExpectedIdleTime / portTICK_RATE_MS);
+        vTaskStepTick(actual_ms);
+    }
+
+    // Exit critical section
+    __enable_irq();
+}
\ No newline at end of file
diff --git a/Core/Src/user_power_mgmt.c b/Core/Src/user_power_mgmt.c
index 9558a36..c6c912e 100644
--- a/Core/Src/user_power_mgmt.c
+++ b/Core/Src/user_power_mgmt.c
@@ -1,6 +1,10 @@
 #include "stm32f4xx_hal.h"
 #include "user_power_mgmt.h"
 
+extern TIM_HandleTypeDef htim6;
+
+void user_pm_frequency_update_callback(void);
+
 typedef struct {
     RCC_OscInitTypeDef RCC_OscInitStruct;
     RCC_ClkInitTypeDef RCC_ClkInitStruct;
@@ -10,18 +14,16 @@ typedef struct {
 
 #include "user_power_mgmt_profiles.h"
 
+static user_pm_vfs_preset_t s_current_preset;
+
 static void user_pm_error_handler(void) {
     while(1) {
         //
     }
 }
 
-static void user_pm_enter_sleep(void) {
-    //
-}
-
-static void user_pm_exit_sleep(void) {
-    //
+static void user_pm_tim_callback(TIM_HandleTypeDef *htim) {
+    // No idea for now, just keep it.
 }
 
 /**
@@ -80,6 +82,12 @@ HAL_StatusTypeDef user_pm_scale_vfs(user_pm_vfs_preset_t preset) {
     // Update global variables
     SystemCoreClockUpdate();
 
+    // This will happen in a critical section, no context switch will occur.
+    s_current_preset = preset;
+
+    // Call user defined callbacks.
+    user_pm_frequency_update_callback();
+
     return HAL_OK;
 }
 
@@ -90,5 +98,40 @@ HAL_StatusTypeDef user_pm_scale_vfs(user_pm_vfs_preset_t preset) {
  * @return Time actually in sleep mode
  */
 uint32_t user_pm_idle_timeout(uint32_t sleep_msec) {
-    return 0;
+    user_pm_vfs_preset_t prev_preset = s_current_preset;
+
+    if(user_pm_scale_vfs(USER_PM_VFS_XLOW_2) != HAL_OK) {
+        user_pm_error_handler();
+    }
+
+    if(sleep_msec > 65535) sleep_msec = 65535; // Cap. Maximum to 65535ms.
+    if(sleep_msec == 0) sleep_msec = 1;
+
+    // Configure TIM6 period.
+    htim6.Init.Period = sleep_msec;
+    HAL_TIM_Base_Init(&htim6);
+    HAL_TIM_RegisterCallback(&htim6, HAL_TIM_PERIOD_ELAPSED_CB_ID, user_pm_tim_callback);
+
+    // SysTick uses TIM7, disable TIM7 interrupt.
+    HAL_SuspendTick();
+
+    HAL_TIM_Base_Start_IT(&htim6);
+
+    __WFI();
+
+    HAL_TIM_Base_Stop_IT(&htim6);
+
+    HAL_ResumeTick();
+
+    // Restore previous VFS profile
+    if(user_pm_scale_vfs(prev_preset) != HAL_OK) {
+        user_pm_error_handler();
+    }
+
+    // In case we woken up by another interrupt, return actual sleep'd time.
+    return __HAL_TIM_GET_COUNTER(&htim6);
+}
+
+__weak void user_pm_frequency_update_callback(void) {
+    // User application will implement this.
 }
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 4f20f66..04df8ed 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.14.1] date: [Tue Aug 24 20:18:03 CST 2021] 
+# File automatically-generated by tool: [projectgenerator] version: [3.14.1] date: [Wed Aug 25 02:18:49 CST 2021] 
 ##########################################################################################################################
 
 # ------------------------------------------------
diff --git a/STM32F407ZE_MRB.ioc b/STM32F407ZE_MRB.ioc
index 2d0299c..5e41727 100644
--- a/STM32F407ZE_MRB.ioc
+++ b/STM32F407ZE_MRB.ioc
@@ -20,63 +20,66 @@ Mcu.IP2=NVIC
 Mcu.IP3=RCC
 Mcu.IP4=RTC
 Mcu.IP5=SYS
-Mcu.IP6=USART1
-Mcu.IPNb=7
+Mcu.IP6=TIM6
+Mcu.IP7=USART1
+Mcu.IPNb=8
 Mcu.Name=STM32F407Z(E-G)Tx
 Mcu.Package=LQFP144
 Mcu.Pin0=PC14-OSC32_IN
 Mcu.Pin1=PC15-OSC32_OUT
-Mcu.Pin10=PF12
-Mcu.Pin11=PF13
-Mcu.Pin12=PF14
-Mcu.Pin13=PF15
-Mcu.Pin14=PG0
-Mcu.Pin15=PG1
-Mcu.Pin16=PE7
-Mcu.Pin17=PE8
-Mcu.Pin18=PE9
-Mcu.Pin19=PE10
+Mcu.Pin10=PH1-OSC_OUT
+Mcu.Pin11=PF12
+Mcu.Pin12=PF13
+Mcu.Pin13=PF14
+Mcu.Pin14=PF15
+Mcu.Pin15=PG0
+Mcu.Pin16=PG1
+Mcu.Pin17=PE7
+Mcu.Pin18=PE8
+Mcu.Pin19=PE9
 Mcu.Pin2=PF0
-Mcu.Pin20=PE11
-Mcu.Pin21=PE12
-Mcu.Pin22=PE13
-Mcu.Pin23=PE14
-Mcu.Pin24=PE15
-Mcu.Pin25=PD8
-Mcu.Pin26=PD9
-Mcu.Pin27=PD10
-Mcu.Pin28=PD11
-Mcu.Pin29=PD12
+Mcu.Pin20=PE10
+Mcu.Pin21=PE11
+Mcu.Pin22=PE12
+Mcu.Pin23=PE13
+Mcu.Pin24=PE14
+Mcu.Pin25=PE15
+Mcu.Pin26=PD8
+Mcu.Pin27=PD9
+Mcu.Pin28=PD10
+Mcu.Pin29=PD11
 Mcu.Pin3=PF1
-Mcu.Pin30=PD13
-Mcu.Pin31=PD14
-Mcu.Pin32=PD15
-Mcu.Pin33=PG2
-Mcu.Pin34=PG3
-Mcu.Pin35=PG4
-Mcu.Pin36=PG5
-Mcu.Pin37=PA9
-Mcu.Pin38=PA10
-Mcu.Pin39=PA13
+Mcu.Pin30=PD12
+Mcu.Pin31=PD13
+Mcu.Pin32=PD14
+Mcu.Pin33=PD15
+Mcu.Pin34=PG2
+Mcu.Pin35=PG3
+Mcu.Pin36=PG4
+Mcu.Pin37=PG5
+Mcu.Pin38=PA9
+Mcu.Pin39=PA10
 Mcu.Pin4=PF2
-Mcu.Pin40=PA14
-Mcu.Pin41=PD0
-Mcu.Pin42=PD1
-Mcu.Pin43=PD4
-Mcu.Pin44=PD5
-Mcu.Pin45=PG10
-Mcu.Pin46=PE0
-Mcu.Pin47=PE1
-Mcu.Pin48=VP_FREERTOS_VS_CMSIS_V2
-Mcu.Pin49=VP_RTC_VS_RTC_Activate
+Mcu.Pin40=PA13
+Mcu.Pin41=PA14
+Mcu.Pin42=PD0
+Mcu.Pin43=PD1
+Mcu.Pin44=PD4
+Mcu.Pin45=PD5
+Mcu.Pin46=PG10
+Mcu.Pin47=PE0
+Mcu.Pin48=PE1
+Mcu.Pin49=VP_FREERTOS_VS_CMSIS_V2
 Mcu.Pin5=PF3
-Mcu.Pin50=VP_RTC_VS_RTC_Calendar
-Mcu.Pin51=VP_SYS_VS_tim7
+Mcu.Pin50=VP_RTC_VS_RTC_Activate
+Mcu.Pin51=VP_RTC_VS_RTC_Calendar
+Mcu.Pin52=VP_SYS_VS_tim7
+Mcu.Pin53=VP_TIM6_VS_ClockSourceINT
 Mcu.Pin6=PF4
 Mcu.Pin7=PF5
-Mcu.Pin8=PH0-OSC_IN
-Mcu.Pin9=PH1-OSC_OUT
-Mcu.PinsNb=52
+Mcu.Pin8=PF9
+Mcu.Pin9=PH0-OSC_IN
+Mcu.PinsNb=54
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F407ZETx
@@ -95,6 +98,7 @@ NVIC.SavedPendsvIrqHandlerGenerated=true
 NVIC.SavedSvcallIrqHandlerGenerated=true
 NVIC.SavedSystickIrqHandlerGenerated=true
 NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:false\:true\:false\:true
+NVIC.TIM6_DAC_IRQn=true\:5\:0\:false\:false\:true\:true\:true\:true
 NVIC.TIM7_IRQn=true\:15\:0\:false\:false\:true\:false\:false\:true
 NVIC.TimeBase=TIM7_IRQn
 NVIC.TimeBaseIP=TIM7
@@ -115,23 +119,23 @@ PCC.Checker=false
 PCC.Line=STM32F407/417
 PCC.MCU=STM32F407Z(E-G)Tx
 PCC.PartNumber=STM32F407ZETx
-PCC.Seq0=7
-PCC.Seq0.Step0.Average_Current=46 mA
+PCC.Seq0=10
+PCC.Seq0.Step0.Average_Current=45.48 mA
 PCC.Seq0.Step0.CPU_Frequency=168 MHz
 PCC.Seq0.Step0.Category=In DS Table
 PCC.Seq0.Step0.DMIPS=210.0
 PCC.Seq0.Step0.Duration=10 ms
 PCC.Seq0.Step0.Frequency=4 MHz
-PCC.Seq0.Step0.Memory=FLASH
+PCC.Seq0.Step0.Memory=RAM/FLASH/ART
 PCC.Seq0.Step0.Mode=RUN
 PCC.Seq0.Step0.Oscillator=HSE PLL
-PCC.Seq0.Step0.Peripherals=
-PCC.Seq0.Step0.TaMax=98.93
+PCC.Seq0.Step0.Peripherals=FSMC GPIOA GPIOC GPIOD GPIOE GPIOF GPIOG GPIOH RTC SYS USART1
+PCC.Seq0.Step0.TaMax=99
 PCC.Seq0.Step0.User's_Consumption=0 mA
 PCC.Seq0.Step0.Vcore=Scale1-High
 PCC.Seq0.Step0.Vdd=3.3
 PCC.Seq0.Step0.Voltage_Source=Battery
-PCC.Seq0.Step1.Average_Current=31 mA
+PCC.Seq0.Step1.Average_Current=35.25 mA
 PCC.Seq0.Step1.CPU_Frequency=144 MHz
 PCC.Seq0.Step1.Category=In DS Table
 PCC.Seq0.Step1.DMIPS=180.0
@@ -140,13 +144,13 @@ PCC.Seq0.Step1.Frequency=4 MHz
 PCC.Seq0.Step1.Memory=RAM/FLASH/ART
 PCC.Seq0.Step1.Mode=RUN
 PCC.Seq0.Step1.Oscillator=HSE PLL
-PCC.Seq0.Step1.Peripherals=
-PCC.Seq0.Step1.TaMax=100.91
+PCC.Seq0.Step1.Peripherals=FSMC GPIOA GPIOC GPIOD GPIOE GPIOF GPIOG GPIOH RTC SYS USART1
+PCC.Seq0.Step1.TaMax=100.35
 PCC.Seq0.Step1.User's_Consumption=0 mA
 PCC.Seq0.Step1.Vcore=Scale2-Medium
 PCC.Seq0.Step1.Vdd=3.3
 PCC.Seq0.Step1.Voltage_Source=Battery
-PCC.Seq0.Step2.Average_Current=18.8 mA
+PCC.Seq0.Step2.Average_Current=21.28 mA
 PCC.Seq0.Step2.CPU_Frequency=84000000 Hz
 PCC.Seq0.Step2.Category=Interpolation
 PCC.Seq0.Step2.DMIPS=105.0
@@ -155,13 +159,13 @@ PCC.Seq0.Step2.Frequency=4 MHz
 PCC.Seq0.Step2.Memory=RAM/FLASH/ART
 PCC.Seq0.Step2.Mode=RUN
 PCC.Seq0.Step2.Oscillator=HSE PLL
-PCC.Seq0.Step2.Peripherals=
-PCC.Seq0.Step2.TaMax=102.52
+PCC.Seq0.Step2.Peripherals=FSMC GPIOA GPIOC GPIOD GPIOE GPIOF GPIOG GPIOH RTC SYS USART1
+PCC.Seq0.Step2.TaMax=102.19
 PCC.Seq0.Step2.User's_Consumption=0 mA
 PCC.Seq0.Step2.Vcore=Scale2-Medium
 PCC.Seq0.Step2.Vdd=3.3
 PCC.Seq0.Step2.Voltage_Source=Battery
-PCC.Seq0.Step3.Average_Current=14.8 mA
+PCC.Seq0.Step3.Average_Current=16.69 mA
 PCC.Seq0.Step3.CPU_Frequency=64000000 Hz
 PCC.Seq0.Step3.Category=Interpolation
 PCC.Seq0.Step3.DMIPS=80.0
@@ -170,13 +174,13 @@ PCC.Seq0.Step3.Frequency=4 MHz
 PCC.Seq0.Step3.Memory=RAM/FLASH/ART
 PCC.Seq0.Step3.Mode=RUN
 PCC.Seq0.Step3.Oscillator=HSE PLL
-PCC.Seq0.Step3.Peripherals=
-PCC.Seq0.Step3.TaMax=103.05
+PCC.Seq0.Step3.Peripherals=FSMC GPIOA GPIOC GPIOD GPIOE GPIOF GPIOG GPIOH RTC SYS USART1
+PCC.Seq0.Step3.TaMax=102.8
 PCC.Seq0.Step3.User's_Consumption=0 mA
 PCC.Seq0.Step3.Vcore=Scale2-Medium
 PCC.Seq0.Step3.Vdd=3.3
 PCC.Seq0.Step3.Voltage_Source=Battery
-PCC.Seq0.Step4.Average_Current=8.4 mA
+PCC.Seq0.Step4.Average_Current=9.34 mA
 PCC.Seq0.Step4.CPU_Frequency=32000000 Hz
 PCC.Seq0.Step4.Category=Interpolation
 PCC.Seq0.Step4.DMIPS=40.0
@@ -185,13 +189,13 @@ PCC.Seq0.Step4.Frequency=4 MHz
 PCC.Seq0.Step4.Memory=RAM/FLASH/ART
 PCC.Seq0.Step4.Mode=RUN
 PCC.Seq0.Step4.Oscillator=HSE PLL
-PCC.Seq0.Step4.Peripherals=
-PCC.Seq0.Step4.TaMax=103.89
+PCC.Seq0.Step4.Peripherals=FSMC GPIOA GPIOC GPIOD GPIOE GPIOF GPIOG GPIOH RTC SYS USART1
+PCC.Seq0.Step4.TaMax=103.77
 PCC.Seq0.Step4.User's_Consumption=0 mA
 PCC.Seq0.Step4.Vcore=Scale2-Medium
 PCC.Seq0.Step4.Vdd=3.3
 PCC.Seq0.Step4.Voltage_Source=Battery
-PCC.Seq0.Step5.Average_Current=2 mA
+PCC.Seq0.Step5.Average_Current=2.07 mA
 PCC.Seq0.Step5.CPU_Frequency=2400000 Hz
 PCC.Seq0.Step5.Category=Interpolation
 PCC.Seq0.Step5.DMIPS=3.0
@@ -200,27 +204,72 @@ PCC.Seq0.Step5.Frequency=2.4 MHz
 PCC.Seq0.Step5.Memory=RAM/FLASH/ART
 PCC.Seq0.Step5.Mode=RUN
 PCC.Seq0.Step5.Oscillator=HSE
-PCC.Seq0.Step5.Peripherals=
-PCC.Seq0.Step5.TaMax=104.74
+PCC.Seq0.Step5.Peripherals=FSMC GPIOA GPIOC GPIOD GPIOE GPIOF GPIOG GPIOH RTC SYS USART1
+PCC.Seq0.Step5.TaMax=104.73
 PCC.Seq0.Step5.User's_Consumption=0 mA
 PCC.Seq0.Step5.Vcore=Scale2-Medium
 PCC.Seq0.Step5.Vdd=3.3
 PCC.Seq0.Step5.Voltage_Source=Battery
-PCC.Seq0.Step6.Average_Current=2 mA
-PCC.Seq0.Step6.CPU_Frequency=16 MHz
+PCC.Seq0.Step6.Average_Current=3.24 mA
+PCC.Seq0.Step6.CPU_Frequency=8 MHz
 PCC.Seq0.Step6.Category=In DS Table
-PCC.Seq0.Step6.DMIPS=20.0
-PCC.Seq0.Step6.Duration=940 ms
-PCC.Seq0.Step6.Frequency=16 MHz
-PCC.Seq0.Step6.Memory=RAM/FLASH
-PCC.Seq0.Step6.Mode=SLEEP
+PCC.Seq0.Step6.DMIPS=10.0
+PCC.Seq0.Step6.Duration=10 ms
+PCC.Seq0.Step6.Frequency=8 MHz
+PCC.Seq0.Step6.Memory=RAM/FLASH/ART
+PCC.Seq0.Step6.Mode=RUN
 PCC.Seq0.Step6.Oscillator=HSE
-PCC.Seq0.Step6.Peripherals=
-PCC.Seq0.Step6.TaMax=104.74
+PCC.Seq0.Step6.Peripherals=FSMC GPIOA GPIOC GPIOD GPIOE GPIOF GPIOG GPIOH RTC SYS USART1
+PCC.Seq0.Step6.TaMax=104.57
 PCC.Seq0.Step6.User's_Consumption=0 mA
 PCC.Seq0.Step6.Vcore=Scale2-Medium
 PCC.Seq0.Step6.Vdd=3.3
 PCC.Seq0.Step6.Voltage_Source=Battery
+PCC.Seq0.Step7.Average_Current=2.12 mA
+PCC.Seq0.Step7.CPU_Frequency=4 MHz
+PCC.Seq0.Step7.Category=In DS Table
+PCC.Seq0.Step7.DMIPS=5.0
+PCC.Seq0.Step7.Duration=10 ms
+PCC.Seq0.Step7.Frequency=4 MHz
+PCC.Seq0.Step7.Memory=RAM/FLASH/ART
+PCC.Seq0.Step7.Mode=RUN
+PCC.Seq0.Step7.Oscillator=HSE
+PCC.Seq0.Step7.Peripherals=FSMC GPIOA GPIOC GPIOD GPIOE GPIOF GPIOG GPIOH RTC SYS USART1
+PCC.Seq0.Step7.TaMax=104.72
+PCC.Seq0.Step7.User's_Consumption=0 mA
+PCC.Seq0.Step7.Vcore=Scale2-Medium
+PCC.Seq0.Step7.Vdd=3.3
+PCC.Seq0.Step7.Voltage_Source=Battery
+PCC.Seq0.Step8.Average_Current=1.12 mA
+PCC.Seq0.Step8.CPU_Frequency=4 MHz
+PCC.Seq0.Step8.Category=In DS Table
+PCC.Seq0.Step8.DMIPS=5.0
+PCC.Seq0.Step8.Duration=920 ms
+PCC.Seq0.Step8.Frequency=4 MHz
+PCC.Seq0.Step8.Memory=RAM/FLASH
+PCC.Seq0.Step8.Mode=SLEEP
+PCC.Seq0.Step8.Oscillator=HSE
+PCC.Seq0.Step8.Peripherals=FSMC GPIOA GPIOC GPIOD GPIOE GPIOF GPIOG GPIOH RTC SYS USART1
+PCC.Seq0.Step8.TaMax=104.85
+PCC.Seq0.Step8.User's_Consumption=0 mA
+PCC.Seq0.Step8.Vcore=Scale2-Medium
+PCC.Seq0.Step8.Vdd=3.3
+PCC.Seq0.Step8.Voltage_Source=Battery
+PCC.Seq0.Step9.Average_Current=310 \u00B5A
+PCC.Seq0.Step9.CPU_Frequency=0 Hz
+PCC.Seq0.Step9.Category=In DS Table
+PCC.Seq0.Step9.DMIPS=0.0
+PCC.Seq0.Step9.Duration=59000 ms
+PCC.Seq0.Step9.Frequency=0 Hz
+PCC.Seq0.Step9.Memory=n/a
+PCC.Seq0.Step9.Mode=STOP
+PCC.Seq0.Step9.Oscillator=Regulator_LP
+PCC.Seq0.Step9.Peripherals=
+PCC.Seq0.Step9.TaMax=104.96
+PCC.Seq0.Step9.User's_Consumption=0 mA
+PCC.Seq0.Step9.Vcore=No Scale
+PCC.Seq0.Step9.Vdd=3.3
+PCC.Seq0.Step9.Voltage_Source=Battery
 PCC.Series=STM32F4
 PCC.Temperature=25
 PCC.Vdd=3.3
@@ -257,6 +306,11 @@ PF2.Signal=FSMC_A2
 PF3.Signal=FSMC_A3
 PF4.Signal=FSMC_A4
 PF5.Signal=FSMC_A5
+PF9.GPIOParameters=PinState,GPIO_Label
+PF9.GPIO_Label=LED1
+PF9.Locked=true
+PF9.PinState=GPIO_PIN_SET
+PF9.Signal=GPIO_Output
 PG0.Signal=FSMC_A10
 PG1.Signal=FSMC_A11
 PG10.Mode=NorPsramChipSelect3_1
@@ -292,12 +346,12 @@ ProjectManager.PreviousToolchain=
 ProjectManager.ProjectBuild=false
 ProjectManager.ProjectFileName=STM32F407ZE_MRB.ioc
 ProjectManager.ProjectName=STM32F407ZE_MRB
-ProjectManager.RegisterCallBack=
+ProjectManager.RegisterCallBack=TIM
 ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=Makefile
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_RTC_Init-RTC-false-HAL-true,4-MX_USART1_UART_Init-USART1-false-HAL-true,5-MX_FSMC_Init-FSMC-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_RTC_Init-RTC-false-HAL-true,4-MX_USART1_UART_Init-USART1-false-HAL-true,5-MX_FSMC_Init-FSMC-false-HAL-true,6-MX_TIM6_Init-TIM6-false-HAL-true
 RCC.48MHZClocksFreq_Value=84000000
 RCC.AHBFreq_Value=168000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV4
@@ -415,6 +469,9 @@ SH.FSMC_NOE.0=FSMC_NOE,Sram1
 SH.FSMC_NOE.ConfNb=1
 SH.FSMC_NWE.0=FSMC_NWE,Sram1
 SH.FSMC_NWE.ConfNb=1
+TIM6.IPParameters=Prescaler,Period
+TIM6.Period=1000
+TIM6.Prescaler=4000 - 1
 USART1.BaudRate=115200
 USART1.IPParameters=VirtualMode,BaudRate
 USART1.VirtualMode=VM_ASYNC
@@ -426,4 +483,6 @@ VP_RTC_VS_RTC_Calendar.Mode=RTC_Calendar
 VP_RTC_VS_RTC_Calendar.Signal=RTC_VS_RTC_Calendar
 VP_SYS_VS_tim7.Mode=TIM7
 VP_SYS_VS_tim7.Signal=SYS_VS_tim7
+VP_TIM6_VS_ClockSourceINT.Mode=Enable_Timer
+VP_TIM6_VS_ClockSourceINT.Signal=TIM6_VS_ClockSourceINT
 board=custom