/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file           : main.c
 * @brief          : Main program body
 ******************************************************************************
 * This notice applies to any and all portions of this file
 * that are not between comment pairs USER CODE BEGIN and
 * USER CODE END. Other portions of this file, whether
 * inserted by the user or by software development tools
 * are owned by their respective copyright owners.
 *
 * Copyright (c) 2019 STMicroelectronics International N.V.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted, provided that the following conditions are met:
 *
 * 1. Redistribution of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of STMicroelectronics nor the names of other
 *    contributors to this software may be used to endorse or promote products
 *    derived from this software without specific written permission.
 * 4. This software, including modifications and/or derivative works of this
 *    software, must execute solely and exclusively on microcontroller or
 *    microprocessor devices manufactured by or for STMicroelectronics.
 * 5. Redistribution and use of this software other than as permitted under
 *    this license is void and will automatically terminate your rights under
 *    this license.
 *
 * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
 * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
 * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 ******************************************************************************
 */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "cmsis_os.h"
#include "usbpd.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

// Application level
#include "UARTCommandConsole.h"
#include "adc_interface.h"
#include "battery.h"
#include "bq25703a_regulator.h"
#include "gui_api.h"

// System
#include "printf.h"
#include "stm32g0xx_hal_flash.h"
#include "stm32g0xx_hal_flash_ex.h"
#include "stm32g0xx_hal_tim.h"
#include "error.h"

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* Format of the different kind of message */
/*   - 31-28  4 bit for the message type   */
#define DEMO_MSG_TYPE_POS                 28u
#define DEMO_MSG_TYPE_MSK                 (0xFu << DEMO_MSG_TYPE_POS)
#define DEMO_MSG_MMI                      (0u   << DEMO_MSG_TYPE_POS)
#define DEMO_MSG_CAD                      (1u   << DEMO_MSG_TYPE_POS)
#define DEMO_MSG_PENOTIFY                 (2u   << DEMO_MSG_TYPE_POS)

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
ADC_HandleTypeDef hadc1;
DMA_HandleTypeDef hdma_adc1;

I2C_HandleTypeDef hi2c1;
DMA_HandleTypeDef hdma_i2c1_tx;
DMA_HandleTypeDef hdma_i2c1_rx;

TIM_HandleTypeDef htim7;

UART_HandleTypeDef huart1;
DMA_HandleTypeDef hdma_usart1_tx;
DMA_HandleTypeDef hdma_usart1_rx;

osThreadId defaultTaskHandle;
/* USER CODE BEGIN PV */

osThreadId defaultTaskHandle;
osThreadId blinkyTaskHandle;

SemaphoreHandle_t xTxMutex_CLI;
SemaphoreHandle_t xTxMutex_Regulator;

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_DMA_Init(void);
static void MX_ADC1_Init(void);
static void MX_I2C1_Init(void);
static void MX_TIM7_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_UCPD2_Init(void);
void StartDefaultTask(void const * argument);

/* USER CODE BEGIN PFP */

void vLED_Blinky(void const *pvParameters);

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
const uint8_t HWBoardVersionName[] = "TBD";
const uint8_t PDTypeName[] = "TBD";
const uint8_t* BSP_GetHWBoardVersionName(void);
const uint8_t* BSP_GetPDTypeName(void);
const uint8_t* BSP_GetHWBoardVersionName(void)
{
  return HWBoardVersionName;
}

const uint8_t* BSP_GetPDTypeName(void)
{
  return PDTypeName;
}

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_ADC1_Init();
  MX_I2C1_Init();
  MX_TIM7_Init();
  MX_UCPD2_Init();
  /* USER CODE BEGIN 2 */

  // Check nBOOT_SEL value. Set if not 0. Enables BOOT mode from BOOT0 Pin
  FLASH_OBProgramInitTypeDef OBInit; // programming option structure
  HAL_FLASHEx_OBGetConfig(&OBInit);
  if ((OBInit.USERConfig & OB_USER_nBOOT_SEL) == OB_BOOT0_FROM_OB) {
    // unlock flash
    if(HAL_FLASH_Unlock() == HAL_OK) {
      // unlock option bytes in particular
      if(HAL_FLASH_OB_Unlock() == HAL_OK) {
        // program selected option byte
        OBInit.OptionType = OPTIONBYTE_USER;
        OBInit.USERType = OB_USER_nBOOT_SEL;
        OBInit.USERConfig = 0;
        HAL_FLASHEx_OBProgram(&OBInit); // result not checked as there is no recourse at this point
        if(HAL_FLASH_OB_Lock() == HAL_OK) {
            HAL_FLASH_Lock(); // again, no recourse
            HAL_FLASH_OB_Launch(); // reset occurs here (sorry, debugger)
        }
      }
    }
  }

#if defined(_GUI_INTERFACE)
  /* Disable dead battery to use USART1_RX used by GUI 	*/
  LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SYSCFG);
  LL_SYSCFG_DisableDBATT(SYSCFG_CFGR1_UCPD2_STROBE);
  /* Initialize GUI */
  GUI_Init(BSP_GetHWBoardVersionName, BSP_GetPDTypeName);
#endif /* _GUI_INTERFACE */
  /* USER CODE END 2 */
  /* USBPD initialisation ---------------------------------*/
  MX_USBPD_Init();

  /* USER CODE BEGIN RTOS_MUTEX */
	xTxMutex_Regulator = xSemaphoreCreateMutex();
	configASSERT(xTxMutex_Regulator);

	xTxMutex_CLI = xSemaphoreCreateMutex();
	configASSERT(xTxMutex_CLI);
  /* USER CODE END RTOS_MUTEX */

  /* USER CODE BEGIN RTOS_SEMAPHORES */
	/* add semaphores, ... */
  /* USER CODE END RTOS_SEMAPHORES */

  /* USER CODE BEGIN RTOS_TIMERS */
	/* start timers, add new ones, ... */
  /* USER CODE END RTOS_TIMERS */

  /* USER CODE BEGIN RTOS_QUEUES */
	/* add queues, ... */
  /* USER CODE END RTOS_QUEUES */

  /* Create the thread(s) */
  /* definition and creation of defaultTask */
  osThreadDef(defaultTask, StartDefaultTask, osPriorityNormal, 0, 128);
  defaultTaskHandle = osThreadCreate(osThread(defaultTask), NULL);

  /* USER CODE BEGIN RTOS_THREADS */

	osThreadDef(blink_led, vLED_Blinky, LED_TASK_PRIORITY, 0, configMINIMAL_STACK_SIZE);
	blinkyTaskHandle = osThreadCreate(osThread(blink_led), NULL);

	/* Start the adc task */
	osThreadDef(read_adc, vRead_ADC, ADC_TASK_PRIORITY, 0, vRead_ADC_STACK_SIZE);
	adcTaskHandle = osThreadCreate(osThread(read_adc), NULL);

	/* Start the task that manages the regulator*/
	osThreadDef(regulator, vRegulator, REGULATOR_TASK_PRIORITY, 0, vRegulator_STACK_SIZE);
	regulatorTaskHandle = osThreadCreate(osThread(regulator), NULL);

#if defined(_CLI_INTERFACE)
	MX_USART1_UART_Init();
	/* Initialize CLI */
	/* Start the Command Line Interface on UART1 */
	osThreadDef(CLI, prvUARTCommandConsoleTask, UART_CLI_TASK_PRIORITY, 0, vcliSTACK_SIZE);
	CLITaskHandle = osThreadCreate(osThread(CLI), NULL);

	/* Register commands with the FreeRTOS+CLI command interpreter. */
	vRegisterCLICommands();
#endif /* _CLI_INTERFACE */

	/* Initialize the Device Policy Manager */
	if( USBPD_ERROR == USBPD_DPM_InitOS())
	{
		/* error the OS init  */
		while(1);
	}

  /* USER CODE END RTOS_THREADS */

  /* Start scheduler */
  osKernelStart();
  
  /* We should never get here as control is now taken by the scheduler */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
	while (1) {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
	}
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Configure the main internal regulator output voltage 
  */
  HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
  RCC_OscInitStruct.PLL.PLLN = 8;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
  RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the peripherals clocks 
  */
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_I2C1
                              |RCC_PERIPHCLK_ADC;
  PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
  PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_PCLK1;
  PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_HSI;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief ADC1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_ADC1_Init(void)
{

  /* USER CODE BEGIN ADC1_Init 0 */

  /* USER CODE END ADC1_Init 0 */

  ADC_ChannelConfTypeDef sConfig = {0};

  /* USER CODE BEGIN ADC1_Init 1 */

  /* USER CODE END ADC1_Init 1 */
  /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion) 
  */
  hadc1.Instance = ADC1;
  hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
  hadc1.Init.Resolution = ADC_RESOLUTION_12B;
  hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  hadc1.Init.ScanConvMode = ADC_SCAN_ENABLE;
  hadc1.Init.EOCSelection = ADC_EOC_SEQ_CONV;
  hadc1.Init.LowPowerAutoWait = DISABLE;
  hadc1.Init.LowPowerAutoPowerOff = DISABLE;
  hadc1.Init.ContinuousConvMode = ENABLE;
  hadc1.Init.NbrOfConversion = 7;
  hadc1.Init.DiscontinuousConvMode = DISABLE;
  hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
  hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
  hadc1.Init.DMAContinuousRequests = ENABLE;
  hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
  hadc1.Init.SamplingTimeCommon1 = ADC_SAMPLETIME_160CYCLES_5;
  hadc1.Init.SamplingTimeCommon2 = ADC_SAMPLETIME_1CYCLE_5;
  hadc1.Init.OversamplingMode = DISABLE;
  hadc1.Init.TriggerFrequencyMode = ADC_TRIGGER_FREQ_HIGH;
  if (HAL_ADC_Init(&hadc1) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Regular Channel 
  */
  sConfig.Channel = ADC_CHANNEL_4;
  sConfig.Rank = ADC_REGULAR_RANK_1;
  sConfig.SamplingTime = ADC_SAMPLINGTIME_COMMON_1;
  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Regular Channel 
  */
  sConfig.Channel = ADC_CHANNEL_3;
  sConfig.Rank = ADC_REGULAR_RANK_2;
  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Regular Channel 
  */
  sConfig.Channel = ADC_CHANNEL_2;
  sConfig.Rank = ADC_REGULAR_RANK_3;
  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Regular Channel 
  */
  sConfig.Channel = ADC_CHANNEL_1;
  sConfig.Rank = ADC_REGULAR_RANK_4;
  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Regular Channel 
  */
  sConfig.Channel = ADC_CHANNEL_0;
  sConfig.Rank = ADC_REGULAR_RANK_5;
  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Regular Channel 
  */
  sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
  sConfig.Rank = ADC_REGULAR_RANK_6;
  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Regular Channel 
  */
  sConfig.Channel = ADC_CHANNEL_VREFINT;
  sConfig.Rank = ADC_REGULAR_RANK_7;
  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN ADC1_Init 2 */

  /* USER CODE END ADC1_Init 2 */

}

/**
  * @brief I2C1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_I2C1_Init(void)
{

  /* USER CODE BEGIN I2C1_Init 0 */

  /* USER CODE END I2C1_Init 0 */

  /* USER CODE BEGIN I2C1_Init 1 */

  /* USER CODE END I2C1_Init 1 */
  hi2c1.Instance = I2C1;
  hi2c1.Init.Timing = 0x00602173;
  hi2c1.Init.OwnAddress1 = 0;
  hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  hi2c1.Init.OwnAddress2 = 0;
  hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
  hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Analogue filter 
  */
  if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
  {
    Error_Handler();
  }
  /** Configure Digital filter 
  */
  if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN I2C1_Init 2 */

  /* USER CODE END I2C1_Init 2 */

}

/**
  * @brief TIM7 Initialization Function
  * @param None
  * @retval None
  */
static void MX_TIM7_Init(void)
{

  /* USER CODE BEGIN TIM7_Init 0 */

  /* USER CODE END TIM7_Init 0 */

  TIM_MasterConfigTypeDef sMasterConfig = {0};

  /* USER CODE BEGIN TIM7_Init 1 */

  /* USER CODE END TIM7_Init 1 */
  htim7.Instance = TIM7;
  htim7.Init.Prescaler = 0x1194;
  htim7.Init.CounterMode = TIM_COUNTERMODE_UP;
  htim7.Init.Period = 0x1;
  htim7.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  if (HAL_TIM_Base_Init(&htim7) != HAL_OK)
  {
    Error_Handler();
  }
  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  if (HAL_TIMEx_MasterConfigSynchronization(&htim7, &sMasterConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN TIM7_Init 2 */

	HAL_TIM_Base_Start_IT(&htim7);

  /* USER CODE END TIM7_Init 2 */

}

/**
  * @brief UCPD2 Initialization Function
  * @param None
  * @retval None
  */
static void MX_UCPD2_Init(void)
{

  /* USER CODE BEGIN UCPD2_Init 0 */

  /* USER CODE END UCPD2_Init 0 */

  /* Peripheral clock enable */
  LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_UCPD2);

  /* UCPD2 DMA Init */
  
  /* UCPD2_RX Init */
  LL_DMA_SetPeriphRequest(DMA1, LL_DMA_CHANNEL_6, LL_DMAMUX_REQ_UCPD2_RX);

  LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_CHANNEL_6, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);

  LL_DMA_SetChannelPriorityLevel(DMA1, LL_DMA_CHANNEL_6, LL_DMA_PRIORITY_LOW);

  LL_DMA_SetMode(DMA1, LL_DMA_CHANNEL_6, LL_DMA_MODE_NORMAL);

  LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_CHANNEL_6, LL_DMA_PERIPH_NOINCREMENT);

  LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_CHANNEL_6, LL_DMA_MEMORY_INCREMENT);

  LL_DMA_SetPeriphSize(DMA1, LL_DMA_CHANNEL_6, LL_DMA_PDATAALIGN_BYTE);

  LL_DMA_SetMemorySize(DMA1, LL_DMA_CHANNEL_6, LL_DMA_MDATAALIGN_BYTE);

  /* UCPD2_TX Init */
  LL_DMA_SetPeriphRequest(DMA1, LL_DMA_CHANNEL_7, LL_DMAMUX_REQ_UCPD2_TX);

  LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_CHANNEL_7, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);

  LL_DMA_SetChannelPriorityLevel(DMA1, LL_DMA_CHANNEL_7, LL_DMA_PRIORITY_LOW);

  LL_DMA_SetMode(DMA1, LL_DMA_CHANNEL_7, LL_DMA_MODE_NORMAL);

  LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_CHANNEL_7, LL_DMA_PERIPH_NOINCREMENT);

  LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_CHANNEL_7, LL_DMA_MEMORY_INCREMENT);

  LL_DMA_SetPeriphSize(DMA1, LL_DMA_CHANNEL_7, LL_DMA_PDATAALIGN_BYTE);

  LL_DMA_SetMemorySize(DMA1, LL_DMA_CHANNEL_7, LL_DMA_MDATAALIGN_BYTE);

  /* UCPD2 interrupt Init */
  NVIC_SetPriority(UCPD1_2_IRQn, 3);
  NVIC_EnableIRQ(UCPD1_2_IRQn);

  /* USER CODE BEGIN UCPD2_Init 1 */

  /* USER CODE END UCPD2_Init 1 */
  /* USER CODE BEGIN UCPD2_Init 2 */

  /* USER CODE END UCPD2_Init 2 */

}

/**
  * @brief USART1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_USART1_UART_Init(void)
{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
  huart1.Init.BaudRate = 921600;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart1.Init.ClockPrescaler = UART_PRESCALER_DIV1;
  huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT|UART_ADVFEATURE_DMADISABLEONERROR_INIT;
  huart1.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE;
  huart1.AdvancedInit.DMADisableonRxError = UART_ADVFEATURE_DMA_DISABLEONRXERROR;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_SetTxFifoThreshold(&huart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_SetRxFifoThreshold(&huart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_UARTEx_DisableFifoMode(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}

/** 
  * Enable DMA controller clock
  */
static void MX_DMA_Init(void) 
{
  /* DMA controller clock enable */
  __HAL_RCC_DMA1_CLK_ENABLE();

  /* DMA interrupt init */
  /* DMA1_Channel1_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 3, 0);
  HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
  /* DMA1_Channel2_3_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DMA1_Channel2_3_IRQn, 3, 0);
  HAL_NVIC_EnableIRQ(DMA1_Channel2_3_IRQn);
  /* DMA1_Ch4_7_DMAMUX1_OVR_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DMA1_Ch4_7_DMAMUX1_OVR_IRQn, 3, 0);
  HAL_NVIC_EnableIRQ(DMA1_Ch4_7_DMAMUX1_OVR_IRQn);

}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();
  __HAL_RCC_GPIOD_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOA, Blue_LED_Pin|Green_LED_Pin, GPIO_PIN_SET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOB, EN_OTG_Pin|ILIM_HIZ_Pin|CELL_1S_DIS_EN_Pin|CELL_2S_DIS_EN_Pin 
                          |CELL_3S_DIS_EN_Pin|CELL_4S_DIS_EN_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(Red_LED_GPIO_Port, Red_LED_Pin, GPIO_PIN_SET);

  /*Configure GPIO pins : Blue_LED_Pin Green_LED_Pin */
  GPIO_InitStruct.Pin = Blue_LED_Pin|Green_LED_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /*Configure GPIO pins : EN_OTG_Pin Red_LED_Pin ILIM_HIZ_Pin CELL_1S_DIS_EN_Pin 
                           CELL_2S_DIS_EN_Pin CELL_3S_DIS_EN_Pin CELL_4S_DIS_EN_Pin */
  GPIO_InitStruct.Pin = EN_OTG_Pin|Red_LED_Pin|ILIM_HIZ_Pin|CELL_1S_DIS_EN_Pin 
                          |CELL_2S_DIS_EN_Pin|CELL_3S_DIS_EN_Pin|CELL_4S_DIS_EN_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /*Configure GPIO pins : PROTCHOT_Pin CHRG_OK_Pin */
  GPIO_InitStruct.Pin = PROTCHOT_Pin|CHRG_OK_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */

void vLED_Blinky(void const *pvParameters) {
	TickType_t xDelay = 500 / portTICK_PERIOD_MS;

	uint8_t count = 0;

	HAL_GPIO_WritePin(Red_LED_GPIO_Port, Red_LED_Pin, GPIO_PIN_RESET);
	HAL_GPIO_WritePin(Green_LED_GPIO_Port, Green_LED_Pin, GPIO_PIN_RESET);
	HAL_GPIO_WritePin(Blue_LED_GPIO_Port, Blue_LED_Pin, GPIO_PIN_RESET);

	vTaskDelay(xDelay*4);

	for (;;) {

		if ( (Get_Balance_Connection_State() != CONNECTED) && (Get_Error_State() == 0)) {
			switch (count) {
			case 0:
				HAL_GPIO_WritePin(Red_LED_GPIO_Port, Red_LED_Pin, GPIO_PIN_SET);
				HAL_GPIO_WritePin(Green_LED_GPIO_Port, Green_LED_Pin, GPIO_PIN_RESET);
				HAL_GPIO_WritePin(Blue_LED_GPIO_Port, Blue_LED_Pin, GPIO_PIN_SET);
				break;
			case 1:
				HAL_GPIO_WritePin(Red_LED_GPIO_Port, Red_LED_Pin, GPIO_PIN_SET);
				HAL_GPIO_WritePin(Green_LED_GPIO_Port, Green_LED_Pin, GPIO_PIN_SET);
				HAL_GPIO_WritePin(Blue_LED_GPIO_Port, Blue_LED_Pin, GPIO_PIN_RESET);
				break;
			case 2:
				HAL_GPIO_WritePin(Red_LED_GPIO_Port, Red_LED_Pin, GPIO_PIN_RESET);
				HAL_GPIO_WritePin(Green_LED_GPIO_Port, Green_LED_Pin, GPIO_PIN_SET);
				HAL_GPIO_WritePin(Blue_LED_GPIO_Port, Blue_LED_Pin, GPIO_PIN_SET);
				break;
			}
			if (count == 2) {
				count = 0;
			}
			else {
				count++;
			}
		}
		else if (Get_Error_State() != 0) {
			HAL_GPIO_WritePin(Red_LED_GPIO_Port, Red_LED_Pin, GPIO_PIN_SET);
			HAL_GPIO_WritePin(Green_LED_GPIO_Port, Green_LED_Pin, GPIO_PIN_SET);
			HAL_GPIO_WritePin(Blue_LED_GPIO_Port, Blue_LED_Pin, GPIO_PIN_SET);

			for (int i = 0; i < (Get_Error_State()); i++) {
				vTaskDelay(200 / portTICK_PERIOD_MS);
				HAL_GPIO_WritePin(Red_LED_GPIO_Port, Red_LED_Pin, GPIO_PIN_RESET);
				vTaskDelay(200 / portTICK_PERIOD_MS);
				HAL_GPIO_WritePin(Red_LED_GPIO_Port, Red_LED_Pin, GPIO_PIN_SET);
			}
			vTaskDelay(xDelay * 4);
		}
		else {
			if (Get_Balancing_State() >= 1) {
				HAL_GPIO_WritePin(Blue_LED_GPIO_Port, Blue_LED_Pin, GPIO_PIN_RESET);
			}
			else {
				HAL_GPIO_WritePin(Blue_LED_GPIO_Port, Blue_LED_Pin, GPIO_PIN_SET);
			}

			if (Get_Requires_Charging_State() == 1) {
				HAL_GPIO_WritePin(Red_LED_GPIO_Port, Red_LED_Pin, GPIO_PIN_RESET);
			}
			else {
				HAL_GPIO_WritePin(Red_LED_GPIO_Port, Red_LED_Pin, GPIO_PIN_SET);
			}

			if ((Get_Requires_Charging_State() == 0) && (Get_Balancing_State() == 0)) {
				HAL_GPIO_WritePin(Green_LED_GPIO_Port, Green_LED_Pin, GPIO_PIN_RESET);
			}
			else {
				HAL_GPIO_WritePin(Green_LED_GPIO_Port, Green_LED_Pin, GPIO_PIN_SET);
			}
		}

		vTaskDelay(xDelay);
	}
}

void _putchar(char character) {
	UART_Transfer((uint8_t *) &character, 1);
}

/* USER CODE END 4 */

/* USER CODE BEGIN Header_StartDefaultTask */
/**
 * @brief  Function implementing the defaultTask thread.
 * @param  argument: Not used
 * @retval None
 */
/* USER CODE END Header_StartDefaultTask */
void StartDefaultTask(void const * argument)
{

  /* USER CODE BEGIN 5 */
	/* Infinite loop */
	for (;;) {
		osDelay(1);
	}
  /* USER CODE END 5 */ 
}

/**
  * @brief  Period elapsed callback in non blocking mode
  * @note   This function is called  when TIM1 interrupt took place, inside
  * HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
  * a global variable "uwTick" used as application time base.
  * @param  htim : TIM handle
  * @retval None
  */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
  /* USER CODE BEGIN Callback 0 */

  /* USER CODE END Callback 0 */
  if (htim->Instance == TIM1) {
    HAL_IncTick();
    extern void USBPD_DPM_TimerCounter(void);
    USBPD_DPM_TimerCounter();
  }
  /* USER CODE BEGIN Callback 1 */

  /* USER CODE END Callback 1 */
}

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
	/* User can add his own implementation to report the HAL error return state */

  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{ 
  /* USER CODE BEGIN 6 */
	/* User can add his own implementation to report the file name and line number,
	 tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/