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STM32F1—HAL库空气监测程序

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ID:404476 发表于 2019-1-21 11:58 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
  1. /* USER CODE BEGIN Header */
  2. /**
  3.   ******************************************************************************
  4.   * @file           : main.c
  5.   * @brief          : Main program body
  6.   ******************************************************************************
  7.   ** This notice applies to any and all portions of this file
  8.   * that are not between comment pairs USER CODE BEGIN and
  9.   * USER CODE END. Other portions of this file, whether
  10.   * inserted by the user or by software development tools
  11.   * are owned by their respective copyright owners.
  12.   *
  13.   * COPYRIGHT(c) 2019 STMicroelectronics
  14.   *
  15.   * Redistribution and use in source and binary forms, with or without modification,
  16.   * are permitted provided that the following conditions are met:
  17.   *   1. Redistributions of source code must retain the above copyright notice,
  18.   *      this list of conditions and the following disclaimer.
  19.   *   2. Redistributions in binary form must reproduce the above copyright notice,
  20.   *      this list of conditions and the following disclaimer in the documentation
  21.   *      and/or other materials provided with the distribution.
  22.   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  23.   *      may be used to endorse or promote products derived from this software
  24.   *      without specific prior written permission.
  25.   *
  26.   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  27.   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28.   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  29.   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  30.   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31.   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  32.   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  33.   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  34.   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  35.   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36.   *
  37.   ******************************************************************************
  38.   */
  39. /* USER CODE END Header */

  41. /* Includes ------------------------------------------------------------------*/
  42. #include "main.h"

  44. /* Private includes ----------------------------------------------------------*/
  45. /* USER CODE BEGIN Includes */
  46. #include "oled.h"

  48. /* USER CODE END Includes */

  50. /* Private typedef -----------------------------------------------------------*/
  51. /* USER CODE BEGIN PTD */
  52. uint8_t tx_buf[7]={0x42,0x4d,0xab,0x00,0x00,0x01,0x3a};

  54. uint8_t aRxBuffer[50];
  55. volatile uint8_t CNT=0;

  57. uint16_t  PM_VAL;
  58. uint16_t  TVOC_VAL_H ;
  59. uint16_t  TVOC_VAL_L ;
  60. uint16_t  HCHO_VAL_H ;
  61. uint16_t         HCHO_VAL_L;
  62. uint16_t         CO2_VAL;
  63. uint16_t         TEM_VAL_H;
  64. uint16_t  TEM_VAL_L;
  65. uint16_t         HIM_VAL_H;
  66. uint16_t         HIM_VAL_L;
  67. /* USER CODE END PTD */

  69. /* Private define ------------------------------------------------------------*/
  70. /* USER CODE BEGIN PD */

  72. /* USER CODE END PD */

  74. /* Private macro -------------------------------------------------------------*/
  75. /* USER CODE BEGIN PM */

  77. /* USER CODE END PM */

  79. /* Private variables ---------------------------------------------------------*/
  80. TIM_HandleTypeDef htim2;
  81. TIM_HandleTypeDef htim3;

  83. UART_HandleTypeDef huart1;

  85. /* USER CODE BEGIN PV */

  87. /* USER CODE END PV */

  89. /* Private function prototypes -----------------------------------------------*/
  90. void SystemClock_Config(void);
  91. static void MX_GPIO_Init(void);
  92. static void MX_USART1_UART_Init(void);
  93. static void MX_TIM2_Init(void);
  94. static void MX_TIM3_Init(void);
  95. /* USER CODE BEGIN PFP */

  97. /* USER CODE END PFP */

  99. /* Private user code ---------------------------------------------------------*/
  100. /* USER CODE BEGIN 0 */

  102. /* USER CODE END 0 */

  104. /**
  105.   * @brief  The application entry point.
  106.   * @retval int
  107.   */
  108. int main(void)
  109. {
  110.   /* USER CODE BEGIN 1 */
  111.         

  113.   /* USER CODE END 1 */

  115.   /* MCU Configuration--------------------------------------------------------*/

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

  120.   /* USER CODE BEGIN Init */

  122.   /* USER CODE END Init */

  124.   /* Configure the system clock */
  125.   SystemClock_Config();

  127.   /* USER CODE BEGIN SysInit */

  129.   /* USER CODE END SysInit */

  131.   /* Initialize all configured peripherals */
  132.   MX_GPIO_Init();
  133.   MX_USART1_UART_Init();
  134.   MX_TIM2_Init();
  135.   MX_TIM3_Init();
  136.   /* USER CODE BEGIN 2 */
  137.         HAL_TIM_Base_Start_IT(&htim2);
  138.         OLED_Init();
  139.         OLED_Clear();

  141.   /* USER CODE END 2 */

  143.   /* Infinite loop */
  144.   /* USER CODE BEGIN WHILE */
  145.   while (1)
  146.   {
  147.     /* USER CODE END WHILE */

  149.     /* USER CODE BEGIN 3 */
  150.                 HAL_UART_Receive_IT(&huart1,(uint8_t*)aRxBuffer,24);
  151.                         OLED_ShowString(25,0,"AIR-SENSER");
  152.                         OLED_ShowString(0,2,"CO2:");
  153.                         OLED_ShowString(65,2,"HH:");
  154.                         OLED_ShowString(105,2,".");
  155.                         OLED_ShowString(0,4,"HIM:");
  156.                         OLED_ShowString(49,4,".");
  157.                         OLED_ShowString(65,4,"TEM");
  158.                         OLED_ShowString(113,4,".");
  159.                         OLED_ShowString(0,6,"TVOC");
  160.                         OLED_ShowString(41,6,".");
  161.                         OLED_ShowString(65,6,"PM");
  162.                         
  163.                  OLED_ShowNum(97,6,PM_VAL,3,12);
  164.                  OLED_ShowNum(33,2,CO2_VAL,4,12);
  165.                
  166.                  OLED_ShowNum(97,4,TEM_VAL_H,2,12);
  167.                  OLED_ShowNum(121,4,TEM_VAL_L,1,12);
  168.                  OLED_ShowNum(33,4, HIM_VAL_H,2,12);
  169.                  OLED_ShowNum(57,4, HIM_VAL_L,1,12);
  170.                  OLED_ShowNum(97,2, HCHO_VAL_H,1,12);
  171.                  
  172.                  if(HCHO_VAL_L<10)
  173.                  {
  174.                  OLED_ShowNum(113,2, 0,1,12);
  175.                  OLED_ShowNum(121,2, HCHO_VAL_L,1,12);
  176.                  }else OLED_ShowNum(113,2, HCHO_VAL_L,2,12);
  177.                
  178.                  OLED_ShowNum(33,6,TVOC_VAL_H,1,12);
  179.                  if(HCHO_VAL_L<10)
  180.                  {
  181.                  OLED_ShowNum(49,6,0,1,12);
  182.                  OLED_ShowNum(57,6,TVOC_VAL_L,1,12);
  183.                  }else OLED_ShowNum(49,6, TVOC_VAL_L,2,12);
  184.         }
  185.   /* USER CODE END 3 */
  186. }

  188. /**
  189.   * @brief System Clock Configuration
  190.   * @retval None
  191.   */
  192. void SystemClock_Config(void)
  193. {
  194.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  195.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  197.   /**Initializes the CPU, AHB and APB busses clocks
  198.   */
  199.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  200.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  201.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  202.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  203.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  204.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  205.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  206.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  207.   {
  208.     Error_Handler();
  209.   }
  210.   /**Initializes the CPU, AHB and APB busses clocks
  211.   */
  212.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  213.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  214.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  215.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  216.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  217.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  219.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  220.   {
  221.     Error_Handler();
  222.   }
  223. }

  225. /**
  226.   * @brief TIM2 Initialization Function
  227.   * @param None
  228.   * @retval None
  229.   */
  230. static void MX_TIM2_Init(void)
  231. {

  233.   /* USER CODE BEGIN TIM2_Init 0 */

  235.   /* USER CODE END TIM2_Init 0 */

  237.   TIM_ClockConfigTypeDef sClockSourceConfig = {0};
  238.   TIM_MasterConfigTypeDef sMasterConfig = {0};

  240.   /* USER CODE BEGIN TIM2_Init 1 */

  242.   /* USER CODE END TIM2_Init 1 */
  243.   htim2.Instance = TIM2;
  244.   htim2.Init.Prescaler = 49999;
  245.   htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
  246.   htim2.Init.Period = 71999;
  247.   htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  248.   htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  249.   if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
  250.   {
  251.     Error_Handler();
  252.   }
  253.   sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  254.   if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
  255.   {
  256.     Error_Handler();
  257.   }
  258.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
  259.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  260.   if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
  261.   {
  262.     Error_Handler();
  263.   }
  264.   /* USER CODE BEGIN TIM2_Init 2 */

  266.   /* USER CODE END TIM2_Init 2 */

  268. }

  270. /**
  271.   * @brief TIM3 Initialization Function
  272.   * @param None
  273.   * @retval None
  274.   */
  275. static void MX_TIM3_Init(void)
  276. {

  278.   /* USER CODE BEGIN TIM3_Init 0 */

  280.   /* USER CODE END TIM3_Init 0 */

  282.   TIM_ClockConfigTypeDef sClockSourceConfig = {0};
  283.   TIM_MasterConfigTypeDef sMasterConfig = {0};

  285.   /* USER CODE BEGIN TIM3_Init 1 */

  287.   /* USER CODE END TIM3_Init 1 */
  288.   htim3.Instance = TIM3;
  289.   htim3.Init.Prescaler = 9999;
  290.   htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
  291.   htim3.Init.Period = 71999;
  292.   htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  293.   htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
  294.   if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
  295.   {
  296.     Error_Handler();
  297.   }
  298.   sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
  299.   if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)
  300.   {
  301.     Error_Handler();
  302.   }
  303.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
  304.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  305.   if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
  306.   {
  307.     Error_Handler();
  308.   }
  309.   /* USER CODE BEGIN TIM3_Init 2 */

  311.   /* USER CODE END TIM3_Init 2 */

  313. }

  315. /**
  316.   * @brief USART1 Initialization Function
  317.   * @param None
  318.   * @retval None
  319.   */
  320. static void MX_USART1_UART_Init(void)
  321. {

  323.   /* USER CODE BEGIN USART1_Init 0 */

  325.   /* USER CODE END USART1_Init 0 */

  327.   /* USER CODE BEGIN USART1_Init 1 */

  329.   /* USER CODE END USART1_Init 1 */
  330.   huart1.Instance = USART1;
  331.   huart1.Init.BaudRate = 9600;
  332.   huart1.Init.WordLength = UART_WORDLENGTH_8B;
  333.   huart1.Init.StopBits = UART_STOPBITS_1;
  334.   huart1.Init.Parity = UART_PARITY_NONE;
  335.   huart1.Init.Mode = UART_MODE_TX_RX;
  336.   huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  337.   huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  338.   if (HAL_UART_Init(&huart1) != HAL_OK)
  339.   {
  340.     Error_Handler();
  341.   }
  342.   /* USER CODE BEGIN USART1_Init 2 */

  344.   /* USER CODE END USART1_Init 2 */

  346. }

  348. /**
  349.   * @brief GPIO Initialization Function
  350.   * @param None
  351.   * @retval None
  352.   */
  353. static void MX_GPIO_Init(void)
  354. {
  355.   GPIO_InitTypeDef GPIO_InitStruct = {0};

  357.   /* GPIO Ports Clock Enable */
  358.   __HAL_RCC_GPIOD_CLK_ENABLE();
  359.   __HAL_RCC_GPIOA_CLK_ENABLE();
  360.   __HAL_RCC_GPIOB_CLK_ENABLE();

  362.   /*Configure GPIO pin Output Level */
  363.   HAL_GPIO_WritePin(GPIOA, CS_Pin|RES_Pin|DC_Pin|D0_Pin
  364.                           |D1_Pin, GPIO_PIN_SET);

  366.   /*Configure GPIO pins : CS_Pin RES_Pin DC_Pin D0_Pin
  367.                            D1_Pin */
  368.   GPIO_InitStruct.Pin = CS_Pin|RES_Pin|DC_Pin|D0_Pin
  369.                           |D1_Pin;
  370.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  371.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  372.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  373.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  375. }

  377. /* USER CODE BEGIN 4 */

  379. void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
  380. {
  381.   if(htim==(&htim2)){
  382.         HAL_UART_Transmit(&huart1,tx_buf,7,10);
  383.         }
  384.         /*
  385.          if(htim==(&htim3)){
  386.            OLED_ShowNum(105,6,PM_VAL,3,12);
  387.                  OLED_ShowNum(25,2,CO2_VAL,3,12);
  388.                  OLED_ShowNum(89,2,TEM_VAL_H,2,12);
  389.                  OLED_ShowNum(113,2,TEM_VAL_L,2,12);
  390.                  OLED_ShowNum(25,4, HIM_VAL_H,2,12);
  391.                  OLED_ShowNum(49,4, HIM_VAL_L,2,12);
  392.                  OLED_ShowNum(97,4, HCHO_VAL_H,2,12);
  393.                  OLED_ShowNum(113,4, HCHO_VAL_L,2,12);
  394.                  OLED_ShowNum(33,6,TVOC_VAL_H,2,12);
  395.                  OLED_ShowNum(57,6,TVOC_VAL_L,2,12);
  396.         }
  397.         */
  398. }



  402. void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
  403. {
  404.         UNUSED(huart);
  405.         uint16_t t;
  406.         uint16_t  WAIT_C=0;
  407.         uint16_t  CH;
  408.         if(aRxBuffer[0]==0x42&&aRxBuffer[1]==0x4d)
  409.         {
  410.            for(t=0;t<22;t++)
  411.      {
  412.                   WAIT_C+=aRxBuffer[t];
  413.                  }        
  414.      CH=(aRxBuffer[22]<<8)+aRxBuffer[23];         
  415.                       if(WAIT_C==CH)
  416.                             {
  417.                                          PM_VAL=((aRxBuffer[4])<<8)+aRxBuffer[5];
  418.                                          TVOC_VAL_H=((aRxBuffer[6]<<8)+aRxBuffer[7])/100;
  419.                                          TVOC_VAL_L=((aRxBuffer[6]<<8)+aRxBuffer[7])%100;
  420.                                          HCHO_VAL_H=((aRxBuffer[9]<<8)+aRxBuffer[10])/100;
  421.                                          HCHO_VAL_L=((aRxBuffer[9]<<8)+aRxBuffer[10])%100;
  422.                                          CO2_VAL=(aRxBuffer[12]<<8)+aRxBuffer[13];
  423.                                          TEM_VAL_H=((aRxBuffer[14]<<8)+aRxBuffer[15])/10;
  424.                                          TEM_VAL_L=((aRxBuffer[14]<<8)+aRxBuffer[15])%10;
  425.                                          HIM_VAL_H=((aRxBuffer[16]<<8)+aRxBuffer[17])/10;
  426.                                          HIM_VAL_L=((aRxBuffer[16]<<8)+aRxBuffer[17])%10;
  427.                                          CNT=0;
  428.                        }        
  429.                                         else CNT=0;
  430.         }
  431.         else CNT=0;
  432. }

  434. /* USER CODE END 4 */

  436. /**
  437.   * @brief  This function is executed in case of error occurrence.
  438.   * @retval None
  439.   */
  440. void Error_Handler(void)
  441. {
  442.   /* USER CODE BEGIN Error_Handler_Debug */
  443.   /* User can add his own implementation to report the HAL error return state */

  445.   /* USER CODE END Error_Handler_Debug */
  446. }

  448. #ifdef  USE_FULL_ASSERT
  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.      tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  461.   /* USER CODE END 6 */
  462. }
  463. #endif /* USE_FULL_ASSERT */

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


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