text: /**
    ******************************************************************************
    * File Name          : main.c
    * Description        : Main program body
    ******************************************************************************
    *
    * COPYRIGHT(c) 2016 STMicroelectronics
    *
    * Redistribution and use in source and binary forms, with or without modification,
    * are permitted provided that the following conditions are met:
    *   1. Redistributions 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 its contributors
    *      may be used to endorse or promote products derived from this software
    *      without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
    *
    ******************************************************************************
    */
  /* Includes ------------------------------------------------------------------*/
  #include "stm32l1xx_hal.h"
  #include "adc.h"
  #include "comp.h"
  #include "crc.h"
  #include "dac.h"
  #include "i2c.h"
  #include "iwdg.h"
  #include "rtc.h"
  #include "spi.h"
  #include "tim.h"
  #include "usart.h"
  #include "gpio.h"
  
  /* USER CODE BEGIN Includes */
  
  /* USER CODE END Includes */
  
  /* Private variables ---------------------------------------------------------*/
  
  /* USER CODE BEGIN PV */
  /* Private variables ---------------------------------------------------------*/
  
  /* USER CODE END PV */
  
  /* Private function prototypes -----------------------------------------------*/
  void SystemClock_Config(void);
  void Error_Handler(void);
  
  /* USER CODE BEGIN PFP */
  /* Private function prototypes -----------------------------------------------*/
  void delay_ms(unsigned long x);               //delay milliseconds function
  /* USER CODE END PFP */
  
  /* USER CODE BEGIN 0 */
  
  /* USER CODE END 0 */
  
  int main(void)
  {
  
    /* USER CODE BEGIN 1 */
    int count;
    /* USER CODE END 1 */
  
    /* MCU Configuration----------------------------------------------------------*/
  
    /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    HAL_Init();
  
    /* Configure the system clock */
    SystemClock_Config();
  
    /* Initialize all configured peripherals */
    MX_GPIO_Init();
  //  MX_ADC_Init();
  //  MX_COMP2_Init();
  //  MX_CRC_Init();
  //  MX_DAC_Init();
  //  MX_I2C1_Init();
  //  MX_I2C2_Init();
  //  MX_IWDG_Init();
  //  MX_RTC_Init();
  //  MX_SPI2_Init();
  //  MX_SPI3_Init();
  //  MX_TIM3_Init();
  //  MX_USART1_UART_Init();
  //  MX_USART2_UART_Init();
    MX_TIM10_Init();
  
    /* USER CODE BEGIN 2 */
    HAL_GPIO_WritePin(GPIOC, LD3_Pin, GPIO_PIN_SET);         //system ready LED
  
    HAL_TIM_PWM_Start(&htim10, TIM_CHANNEL_1);		//start timer 3 PWM on channel 1
    /* USER CODE END 2 */
  
    /* Infinite loop */
    /* USER CODE BEGIN WHILE */
    while (1)
    {
      /* USER CODE END WHILE */
  
      /* USER CODE BEGIN 3 */
  	HAL_GPIO_TogglePin(GPIOC, LD4_Pin);       //toggle LD4
  	delay_ms(500);
    }
    /* USER CODE END 3 */
  }
  
  /** System Clock Configuration
  */
  void SystemClock_Config(void)
  {
  
    RCC_OscInitTypeDef RCC_OscInitStruct;
    RCC_ClkInitTypeDef RCC_ClkInitStruct;
    RCC_PeriphCLKInitTypeDef PeriphClkInit;
  
    __HAL_RCC_PWR_CLK_ENABLE();
  
    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_LSI;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.HSICalibrationValue = 16;
    RCC_OscInitStruct.LSIState = RCC_LSI_ON;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
    RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
    RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;
    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    {
      Error_Handler();
    }
  
    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                                |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
    {
      Error_Handler();
    }
  
    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC;
    PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
    {
      Error_Handler();
    }
  
    HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
  
    HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
  
    /* SysTick_IRQn interrupt configuration */
    HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  }
  
  /* USER CODE BEGIN 4 */
  //delay milliseconds function
  void delay_ms(unsigned long x)
  {
    unsigned long i;
    unsigned int j;
    for(i=0; i<x; i++)
    {
  	for(j=0; j<2500; j++)
  	{
  	  asm("NOP");
  	}
    }
  }
  /* USER CODE END 4 */
  
  /**
    * @brief  This function is executed in case of error occurrence.
    * @param  None
    * @retval None
    */
  void Error_Handler(void)
  {
    /* USER CODE BEGIN Error_Handler */
    /* User can add his own implementation to report the HAL error return state */
    while(1) 
    {
    }
    /* USER CODE END Error_Handler */ 
  }
  
  #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,
      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
    /* USER CODE END 6 */
  
  }
  
  #endif
  
  /**
    * @}
    */ 
  
  /**
    * @}
  */ 
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  