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分享一个HAL库STM32L151IIC的LCD1602代码

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ID:356403 发表于 2019-9-10 21:38 | 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.   * @attention
  8.   *
  9.   * <h2><center>© Copyright (c) 2019 STMicroelectronics.
  10.   * All rights reserved.</center></h2>
  11.   *
  12.   * This software component is licensed by ST under BSD 3-Clause license,
  13.   * the "License"; You may not use this file except in compliance with the
  14.   * License. You may obtain a copy of the License at:
  15.   *                        opensource.org/licenses/BSD-3-Clause
  16.   *
  17.   ******************************************************************************
  18.   */
  19. /* USER CODE END Header */

  21. /* Includes ------------------------------------------------------------------*/
  22. #include "main.h"

  24. /* Private includes ----------------------------------------------------------*/
  25. /* USER CODE BEGIN Includes */
  26. #include "i2c-lcd.h"
  27. /* USER CODE END Includes */

  29. /* Private typedef -----------------------------------------------------------*/
  30. /* USER CODE BEGIN PTD */

  32. /* USER CODE END PTD */

  34. /* Private define ------------------------------------------------------------*/
  35. /* USER CODE BEGIN PD */

  37. /* USER CODE END PD */

  39. /* Private macro -------------------------------------------------------------*/
  40. /* USER CODE BEGIN PM */

  42. /* USER CODE END PM */

  44. /* Private variables ---------------------------------------------------------*/
  45. I2C_HandleTypeDef hi2c1;

  47. UART_HandleTypeDef huart1;

  49. /* USER CODE BEGIN PV */

  51. /* USER CODE END PV */

  53. /* Private function prototypes -----------------------------------------------*/
  54. void SystemClock_Config(void);
  55. static void MX_GPIO_Init(void);
  56. static void MX_I2C1_Init(void);
  57. static void MX_USART1_UART_Init(void);
  58. /* USER CODE BEGIN PFP */

  60. /* USER CODE END PFP */

  62. /* Private user code ---------------------------------------------------------*/
  63. /* USER CODE BEGIN 0 */


  66. /* USER CODE END 0 */

  68. /**
  69.   * @brief  The application entry point.
  70.   * @retval int
  71.   */
  72. int main(void)
  73. {
  74.   /* USER CODE BEGIN 1 */

  76.   /* USER CODE END 1 */
  77.   

  79.   /* MCU Configuration--------------------------------------------------------*/

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

  84.   /* USER CODE BEGIN Init */

  86.   /* USER CODE END Init */

  88.   /* Configure the system clock */
  89.   SystemClock_Config();

  91.   /* USER CODE BEGIN SysInit */

  93.   /* USER CODE END SysInit */

  95.   /* Initialize all configured peripherals */
  96.   MX_GPIO_Init();
  97.   MX_I2C1_Init();
  98.   MX_USART1_UART_Init();

  100.   /* USER CODE BEGIN 2 */
  101.   lcd_init();




  106.   /* USER CODE END 2 */

  108.   /* Infinite loop */
  109.   /* USER CODE BEGIN WHILE */
  110.   while (1)
  111.   {               

  113.     /* USER CODE END WHILE */
  114.                 lcd_send_cmd (0x80|0x00);
  115.                 lcd_send_string("HELLO WORLD");
  116.                
  117.                 HAL_Delay(1000);
  118.                 lcd_send_cmd (0x80|0x40);
  119.                 lcd_send_string("STM32");
  120.                 HAL_Delay(1000);
  121.                 lcd_send_cmd (0x01);
  122.                 HAL_Delay(1000);
  123.     /* USER CODE BEGIN 3 */
  124.   }
  125.   /* USER CODE END 3 */
  126. }

  128. /**
  129.   * @brief System Clock Configuration
  130.   * @retval None
  131.   */
  132. void SystemClock_Config(void)
  133. {
  134.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  135.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  137.   /** Configure the main internal regulator output voltage
  138.   */
  139.   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  140.   /** Initializes the CPU, AHB and APB busses clocks
  141.   */
  142.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  143.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  144.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  145.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  146.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL4;
  147.   RCC_OscInitStruct.PLL.PLLDIV = RCC_PLL_DIV3;
  148.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  149.   {
  150.     Error_Handler();
  151.   }
  152.   /** Initializes the CPU, AHB and APB busses clocks
  153.   */
  154.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  155.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  156.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  157.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  158.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  159.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV4;

  161.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  162.   {
  163.     Error_Handler();
  164.   }
  165. }

  167. /**
  168.   * @brief I2C1 Initialization Function
  169.   * @param None
  170.   * @retval None
  171.   */
  172. static void MX_I2C1_Init(void)
  173. {

  175.   /* USER CODE BEGIN I2C1_Init 0 */

  177.   /* USER CODE END I2C1_Init 0 */

  179.   /* USER CODE BEGIN I2C1_Init 1 */

  181.   /* USER CODE END I2C1_Init 1 */
  182.   hi2c1.Instance = I2C1;
  183.   hi2c1.Init.ClockSpeed = 100000;
  184.   hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
  185.   hi2c1.Init.OwnAddress1 = 0;
  186.   hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  187.   hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  188.   hi2c1.Init.OwnAddress2 = 0;
  189.   hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  190.   hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  191.   if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  192.   {
  193.     Error_Handler();
  194.   }
  195.   /* USER CODE BEGIN I2C1_Init 2 */

  197.   /* USER CODE END I2C1_Init 2 */

  199. }

  201. /**
  202.   * @brief USART1 Initialization Function
  203.   * @param None
  204.   * @retval None
  205.   */
  206. static void MX_USART1_UART_Init(void)
  207. {

  209.   /* USER CODE BEGIN USART1_Init 0 */

  211.   /* USER CODE END USART1_Init 0 */

  213.   /* USER CODE BEGIN USART1_Init 1 */

  215.   /* USER CODE END USART1_Init 1 */
  216.   huart1.Instance = USART1;
  217.   huart1.Init.BaudRate = 115200;
  218.   huart1.Init.WordLength = UART_WORDLENGTH_8B;
  219.   huart1.Init.StopBits = UART_STOPBITS_1;
  220.   huart1.Init.Parity = UART_PARITY_NONE;
  221.   huart1.Init.Mode = UART_MODE_TX_RX;
  222.   huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  223.   huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  224.   if (HAL_UART_Init(&huart1) != HAL_OK)
  225.   {
  226.     Error_Handler();
  227.   }
  228.   /* USER CODE BEGIN USART1_Init 2 */

  230.   /* USER CODE END USART1_Init 2 */

  232. }

  234. /**
  235.   * @brief GPIO Initialization Function
  236.   * @param None
  237.   * @retval None
  238.   */
  239. static void MX_GPIO_Init(void)
  240. {
  241.   GPIO_InitTypeDef GPIO_InitStruct = {0};

  243.   /* GPIO Ports Clock Enable */
  244.   __HAL_RCC_GPIOH_CLK_ENABLE();
  245.   __HAL_RCC_GPIOA_CLK_ENABLE();
  246.   __HAL_RCC_GPIOB_CLK_ENABLE();

  248.   /*Configure GPIO pin Output Level */
  249.   HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET);

  251.   /*Configure GPIO pin : LED_Pin */
  252.   GPIO_InitStruct.Pin = LED_Pin;
  253.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  254.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  255.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
  256.   HAL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);

  258. }

  260. /* USER CODE BEGIN 4 */

  262. /* USER CODE END 4 */

  264. /**
  265.   * @brief  This function is executed in case of error occurrence.
  266.   * @retval None
  267.   */
  268. void Error_Handler(void)
  269. {
  270.   /* USER CODE BEGIN Error_Handler_Debug */
  271.   /* User can add his own implementation to report the HAL error return state */

  273.   /* USER CODE END Error_Handler_Debug */
  274. }

  276. #ifdef  USE_FULL_ASSERT
  277. /**
  278.   * @brief  Reports the name of the source file and the source line number
  279.   *         where the assert_param error has occurred.
  280.   * @param  file: pointer to the source file name
  281.   * @param  line: assert_param error line source number
  282.   * @retval None
  283.   */
  284. void assert_failed(uint8_t *file, uint32_t line)
  285. {
  286.   /* USER CODE BEGIN 6 */
  287.   /* User can add his own implementation to report the file name and line number,
  288.      tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  289.   /* USER CODE END 6 */
  290. }
  291. #endif /* USE_FULL_ASSERT */

  293. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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LCD1602代码
STM32, HAL, LCD, STM32

LCDTEST.7z

5.26 MB, 下载次数: 72, 下载积分: 黑币 -5

STM32 LCD 1602 HAL
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沙发
ID:473768 发表于 2020-2-24 10:30 | 只看该作者
谢谢分享
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