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  1. /**
  2.   ******************************************************************************
  3.   * File Name          : main.c
  4.   * Description        : Main program body
  5.   ******************************************************************************
  6.   *
  7.   * COPYRIGHT(c) 2016 STMicroelectronics
  8.   *
  9.   * Redistribution and use in source and binary forms, with or without modification,
  10.   * are permitted provided that the following conditions are met:
  11.   *   1. Redistributions of source code must retain the above copyright notice,
  12.   *      this list of conditions and the following disclaimer.
  13.   *   2. Redistributions in binary form must reproduce the above copyright notice,
  14.   *      this list of conditions and the following disclaimer in the documentation
  15.   *      and/or other materials provided with the distribution.
  16.   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  17.   *      may be used to endorse or promote products derived from this software
  18.   *      without specific prior written permission.
  19.   *
  20.   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21.   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22.   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  23.   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24.   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25.   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  26.   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  27.   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28.   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29.   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30.   *
  31.   ******************************************************************************
  32.   */
  33. /* Includes ------------------------------------------------------------------*/
  34. #include "stm32l1xx_hal.h"
  35.  
  36. /* USER CODE BEGIN Includes */
  37.  
  38. /* USER CODE END Includes */
  39.  
  40. /* Private variables ---------------------------------------------------------*/
  41. ADC_HandleTypeDef hadc;
  42.  
  43. SPI_HandleTypeDef hspi1;
  44.  
  45. TIM_HandleTypeDef htim2;
  46. TIM_HandleTypeDef htim6;
  47.  
  48. UART_HandleTypeDef huart1;
  49.  
  50. /* USER CODE BEGIN PV */
  51. /* Private variables ---------------------------------------------------------*/
  52.  
  53. /* USER CODE END PV */
  54.  
  55. /* Private function prototypes -----------------------------------------------*/
  56. void SystemClock_Config(void);
  57. void Error_Handler(void);
  58. static void MX_GPIO_Init(void);
  59. static void MX_ADC_Init(void);
  60. static void MX_SPI1_Init(void);
  61. static void MX_TIM2_Init(void);
  62. static void MX_TIM6_Init(void);
  63. static void MX_USART1_UART_Init(void);
  64.  
  65. void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
  66.                
  67.  
  68. /* USER CODE BEGIN PFP */
  69. /* Private function prototypes -----------------------------------------------*/
  70.  
  71. /* USER CODE END PFP */
  72.  
  73. /* USER CODE BEGIN 0 */
  74.  
  75. /* USER CODE END 0 */
  76.  
  77. int main(void)
  78. {
  79.  
  80.   /* USER CODE BEGIN 1 */
  81.  
  82.   /* USER CODE END 1 */
  83.  
  84.   /* MCU Configuration----------------------------------------------------------*/
  85.  
  86.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  87.   HAL_Init();
  88.  
  89.   /* Configure the system clock */
  90.   SystemClock_Config();
  91.  
  92.   /* Initialize all configured peripherals */
  93.   MX_GPIO_Init();
  94.   MX_ADC_Init();
  95.   MX_SPI1_Init();
  96.   MX_TIM2_Init();
  97.   MX_TIM6_Init();
  98.   MX_USART1_UART_Init();
  99.  
  100.   /* USER CODE BEGIN 2 */
  101.  
  102.   /* USER CODE END 2 */
  103.  
  104.   /* Infinite loop */
  105.   /* USER CODE BEGIN WHILE */
  106.   while (1)
  107.   {
  108.   /* USER CODE END WHILE */
  109.  
  110.   /* USER CODE BEGIN 3 */
  111.  
  112.   }
  113.   /* USER CODE END 3 */
  114.  
  115. }
  116.  
  117. /** System Clock Configuration
  118. */
  119. void SystemClock_Config(void)
  120. {
  121.  
  122.   RCC_OscInitTypeDef RCC_OscInitStruct;
  123.   RCC_ClkInitTypeDef RCC_ClkInitStruct;
  124.  
  125.   __HAL_RCC_PWR_CLK_ENABLE();
  126.  
  127.   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  128.  
  129.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  130.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  131.   RCC_OscInitStruct.HSICalibrationValue = 16;
  132.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  133.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  134.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  135.   RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;
  136.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  137.   {
  138.     Error_Handler();
  139.   }
  140.  
  141.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  142.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  143.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  144.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  145.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  146.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  147.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  148.   {
  149.     Error_Handler();
  150.   }
  151.  
  152.   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
  153.  
  154.   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
  155.  
  156.   /* SysTick_IRQn interrupt configuration */
  157.   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  158. }
  159.  
  160. /* ADC init function */
  161. static void MX_ADC_Init(void)
  162. {
  163.  
  164.   ADC_ChannelConfTypeDef sConfig;
  165.  
  166.     /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
  167.     */
  168.   hadc.Instance = ADC1;
  169.   hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
  170.   hadc.Init.Resolution = ADC_RESOLUTION_12B;
  171.   hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  172.   hadc.Init.ScanConvMode = ADC_SCAN_ENABLE;
  173.   hadc.Init.EOCSelection = ADC_EOC_SEQ_CONV;
  174.   hadc.Init.LowPowerAutoWait = ADC_AUTOWAIT_DISABLE;
  175.   hadc.Init.LowPowerAutoPowerOff = ADC_AUTOPOWEROFF_DISABLE;
  176.   hadc.Init.ChannelsBank = ADC_CHANNELS_BANK_A;
  177.   hadc.Init.ContinuousConvMode = DISABLE;
  178.   hadc.Init.NbrOfConversion = 6;
  179.   hadc.Init.DiscontinuousConvMode = DISABLE;
  180.   hadc.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T6_TRGO;
  181.   hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
  182.   hadc.Init.DMAContinuousRequests = DISABLE;
  183.   if (HAL_ADC_Init(&hadc) != HAL_OK)
  184.   {
  185.     Error_Handler();
  186.   }
  187.  
  188.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  189.     */
  190.   sConfig.Channel = ADC_CHANNEL_0;
  191.   sConfig.Rank = 1;
  192.   sConfig.SamplingTime = ADC_SAMPLETIME_4CYCLES;
  193.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  194.   {
  195.     Error_Handler();
  196.   }
  197.  
  198.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  199.     */
  200.   sConfig.Channel = ADC_CHANNEL_1;
  201.   sConfig.Rank = 2;
  202.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  203.   {
  204.     Error_Handler();
  205.   }
  206.  
  207.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  208.     */
  209.   sConfig.Channel = ADC_CHANNEL_2;
  210.   sConfig.Rank = 3;
  211.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  212.   {
  213.     Error_Handler();
  214.   }
  215.  
  216.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  217.     */
  218.   sConfig.Channel = ADC_CHANNEL_3;
  219.   sConfig.Rank = 4;
  220.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  221.   {
  222.     Error_Handler();
  223.   }
  224.  
  225.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  226.     */
  227.   sConfig.Channel = ADC_CHANNEL_TEMPSENSOR;
  228.   sConfig.Rank = 5;
  229.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  230.   {
  231.     Error_Handler();
  232.   }
  233.  
  234.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  235.     */
  236.   sConfig.Channel = ADC_CHANNEL_VREFINT;
  237.   sConfig.Rank = 6;
  238.   if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK)
  239.   {
  240.     Error_Handler();
  241.   }
  242.  
  243. }
  244.  
  245. /* SPI1 init function */
  246. static void MX_SPI1_Init(void)
  247. {
  248.  
  249.   hspi1.Instance = SPI1;
  250.   hspi1.Init.Mode = SPI_MODE_MASTER;
  251.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  252.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  253.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  254.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  255.   hspi1.Init.NSS = SPI_NSS_SOFT;
  256.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
  257.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  258.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  259.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  260.   hspi1.Init.CRCPolynomial = 10;
  261.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  262.   {
  263.     Error_Handler();
  264.   }
  265.  
  266. }
  267.  
  268. /* TIM2 init function */
  269. static void MX_TIM2_Init(void)
  270. {
  271.  
  272.   TIM_MasterConfigTypeDef sMasterConfig;
  273.   TIM_IC_InitTypeDef sConfigIC;
  274.   TIM_OC_InitTypeDef sConfigOC;
  275.  
  276.   htim2.Instance = TIM2;
  277.   htim2.Init.Prescaler = 320;
  278.   htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
  279.   htim2.Init.Period = 0;
  280.   htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  281.   if (HAL_TIM_IC_Init(&htim2) != HAL_OK)
  282.   {
  283.     Error_Handler();
  284.   }
  285.  
  286.   if (HAL_TIM_OC_Init(&htim2) != HAL_OK)
  287.   {
  288.     Error_Handler();
  289.   }
  290.  
  291.   if (HAL_TIM_PWM_Init(&htim2) != HAL_OK)
  292.   {
  293.     Error_Handler();
  294.   }
  295.  
  296.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
  297.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  298.   if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
  299.   {
  300.     Error_Handler();
  301.   }
  302.  
  303.   sConfigIC.ICPolarity = TIM_INPUTCHANNELPOLARITY_RISING;
  304.   sConfigIC.ICSelection = TIM_ICSELECTION_DIRECTTI;
  305.   sConfigIC.ICPrescaler = TIM_ICPSC_DIV1;
  306.   sConfigIC.ICFilter = 0;
  307.   if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_1) != HAL_OK)
  308.   {
  309.     Error_Handler();
  310.   }
  311.  
  312.   if (HAL_TIM_IC_ConfigChannel(&htim2, &sConfigIC, TIM_CHANNEL_2) != HAL_OK)
  313.   {
  314.     Error_Handler();
  315.   }
  316.  
  317.   sConfigOC.OCMode = TIM_OCMODE_TIMING;
  318.   sConfigOC.Pulse = 0;
  319.   sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
  320.   sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
  321.   if (HAL_TIM_OC_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
  322.   {
  323.     Error_Handler();
  324.   }
  325.  
  326.   sConfigOC.OCMode = TIM_OCMODE_PWM1;
  327.   if (HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
  328.   {
  329.     Error_Handler();
  330.   }
  331.  
  332.   HAL_TIM_MspPostInit(&htim2);
  333.  
  334. }
  335.  
  336. /* TIM6 init function */
  337. static void MX_TIM6_Init(void)
  338. {
  339.  
  340.   TIM_MasterConfigTypeDef sMasterConfig;
  341.  
  342.   htim6.Instance = TIM6;
  343.   htim6.Init.Prescaler = 3200;
  344.   htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
  345.   htim6.Init.Period = 1000;
  346.   if (HAL_TIM_Base_Init(&htim6) != HAL_OK)
  347.   {
  348.     Error_Handler();
  349.   }
  350.  
  351.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
  352.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  353.   if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK)
  354.   {
  355.     Error_Handler();
  356.   }
  357.  
  358. }
  359.  
  360. /* USART1 init function */
  361. static void MX_USART1_UART_Init(void)
  362. {
  363.  
  364.   huart1.Instance = USART1;
  365.   huart1.Init.BaudRate = 19200;
  366.   huart1.Init.WordLength = UART_WORDLENGTH_8B;
  367.   huart1.Init.StopBits = UART_STOPBITS_1;
  368.   huart1.Init.Parity = UART_PARITY_NONE;
  369.   huart1.Init.Mode = UART_MODE_TX_RX;
  370.   huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  371.   huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  372.   if (HAL_UART_Init(&huart1) != HAL_OK)
  373.   {
  374.     Error_Handler();
  375.   }
  376.  
  377. }
  378.  
  379. /** Configure pins as
  380.         * Analog
  381.         * Input
  382.         * Output
  383.         * EVENT_OUT
  384.         * EXTI
  385. */
  386. static void MX_GPIO_Init(void)
  387. {
  388.  
  389.   GPIO_InitTypeDef GPIO_InitStruct;
  390.  
  391.   /* GPIO Ports Clock Enable */
  392.   __HAL_RCC_GPIOA_CLK_ENABLE();
  393.   __HAL_RCC_GPIOC_CLK_ENABLE();
  394.   __HAL_RCC_GPIOB_CLK_ENABLE();
  395.  
  396.   /*Configure GPIO pin Output Level */
  397.   HAL_GPIO_WritePin(NSS_CHT_GPIO_Port, NSS_CHT_Pin, GPIO_PIN_RESET);
  398.  
  399.   /*Configure GPIO pin Output Level */
  400.   HAL_GPIO_WritePin(GPIOC, SPI_NSS1_Pin|SPI1CD_Pin, GPIO_PIN_RESET);
  401.  
  402.   /*Configure GPIO pin Output Level */
  403.   HAL_GPIO_WritePin(SPI_RESET_GPIO_Port, SPI_RESET_Pin, GPIO_PIN_RESET);
  404.  
  405.   /*Configure GPIO pin : NSS_CHT_Pin */
  406.   GPIO_InitStruct.Pin = NSS_CHT_Pin;
  407.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  408.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  409.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  410.   HAL_GPIO_Init(NSS_CHT_GPIO_Port, &GPIO_InitStruct);
  411.  
  412.   /*Configure GPIO pins : SPI_NSS1_Pin SPI1CD_Pin */
  413.   GPIO_InitStruct.Pin = SPI_NSS1_Pin|SPI1CD_Pin;
  414.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  415.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  416.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  417.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  418.  
  419.   /*Configure GPIO pin : SPI_RESET_Pin */
  420.   GPIO_InitStruct.Pin = SPI_RESET_Pin;
  421.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  422.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  423.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  424.   HAL_GPIO_Init(SPI_RESET_GPIO_Port, &GPIO_InitStruct);
  425.  
  426. }
  427.  
  428. /* USER CODE BEGIN 4 */
  429.  
  430. /* USER CODE END 4 */
  431.  
  432. /**
  433.   * @brief  This function is executed in case of error occurrence.
  434.   * @param  None
  435.   * @retval None
  436.   */
  437. void Error_Handler(void)
  438. {
  439.   /* USER CODE BEGIN Error_Handler */
  440.   /* User can add his own implementation to report the HAL error return state */
  441.   while(1)
  442.   {
  443.   }
  444.   /* USER CODE END Error_Handler */
  445. }
  446.  
  447. #ifdef USE_FULL_ASSERT
  448.  
  449. /**
  450.    * @brief Reports the name of the source file and the source line number
  451.    * where the assert_param error has occurred.
  452.    * @param file: pointer to the source file name
  453.    * @param line: assert_param error line source number
  454.    * @retval None
  455.    */
  456. void assert_failed(uint8_t* file, uint32_t line)
  457. {
  458.   /* USER CODE BEGIN 6 */
  459.   /* User can add his own implementation to report the file name and line number,
  460.     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  461.   /* USER CODE END 6 */
  462.  
  463. }
  464.  
  465. #endif
  466.  
  467. /**
  468.   * @}
  469.   */
  470.  
  471. /**
  472.   * @}
  473. */
  474.  
  475. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  476.