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標題: 分享一個HAL庫STM32L151IIC的LCD1602代碼 [打印本頁]

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作者: 畫地為牢qy    時間: 2019-9-10 21:38
標題: 分享一個HAL庫STM32L151IIC的LCD1602代碼

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 */
    
20. 
    
21. /* Includes ------------------------------------------------------------------*/
    
22. #include "main.h"
    
23. 
    
24. /* Private includes ----------------------------------------------------------*/
    
25. /* USER CODE BEGIN Includes */
    
26. #include "i2c-lcd.h"
    
27. /* USER CODE END Includes */
    
28. 
    
29. /* Private typedef -----------------------------------------------------------*/
    
30. /* USER CODE BEGIN PTD */
    
31. 
    
32. /* USER CODE END PTD */
    
33. 
    
34. /* Private define ------------------------------------------------------------*/
    
35. /* USER CODE BEGIN PD */
    
36. 
    
37. /* USER CODE END PD */
    
38. 
    
39. /* Private macro -------------------------------------------------------------*/
    
40. /* USER CODE BEGIN PM */
    
41. 
    
42. /* USER CODE END PM */
    
43. 
    
44. /* Private variables ---------------------------------------------------------*/
    
45. I2C_HandleTypeDef hi2c1;
    
46. 
    
47. UART_HandleTypeDef huart1;
    
48. 
    
49. /* USER CODE BEGIN PV */
    
50. 
    
51. /* USER CODE END PV */
    
52. 
    
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 */
    
59. 
    
60. /* USER CODE END PFP */
    
61. 
    
62. /* Private user code ---------------------------------------------------------*/
    
63. /* USER CODE BEGIN 0 */
    
64. 
    
65. 
    
66. /* USER CODE END 0 */
    
67. 
    
68. /**
    
69.   * @brief  The application entry point.
    
70.   * @retval int
    
71.   */
    
72. int main(void)
    
73. {
    
74.   /* USER CODE BEGIN 1 */
    
75. 
    
76.   /* USER CODE END 1 */
    
77.   
    
78. 
    
79.   /* MCU Configuration--------------------------------------------------------*/
    
80. 
    
81.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    
82.   HAL_Init();
    
83. 
    
84.   /* USER CODE BEGIN Init */
    
85. 
    
86.   /* USER CODE END Init */
    
87. 
    
88.   /* Configure the system clock */
    
89.   SystemClock_Config();
    
90. 
    
91.   /* USER CODE BEGIN SysInit */
    
92. 
    
93.   /* USER CODE END SysInit */
    
94. 
    
95.   /* Initialize all configured peripherals */
    
96.   MX_GPIO_Init();
    
97.   MX_I2C1_Init();
    
98.   MX_USART1_UART_Init();
    
99. 
    
100.   /* USER CODE BEGIN 2 */
     
101.   lcd_init();
     
102. 
     
103. 
     
104. 
     
105. 
     
106.   /* USER CODE END 2 */
     
107. 
     
108.   /* Infinite loop */
     
109.   /* USER CODE BEGIN WHILE */
     
110.   while (1)
     
111.   {               
     
112. 
     
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. }
     
127. 
     
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};
     
136. 
     
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;
     
160. 
     
161.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
     
162.   {
     
163.     Error_Handler();
     
164.   }
     
165. }
     
166. 
     
167. /**
     
168.   * @brief I2C1 Initialization Function
     
169.   * @param None
     
170.   * @retval None
     
171.   */
     
172. static void MX_I2C1_Init(void)
     
173. {
     
174. 
     
175.   /* USER CODE BEGIN I2C1_Init 0 */
     
176. 
     
177.   /* USER CODE END I2C1_Init 0 */
     
178. 
     
179.   /* USER CODE BEGIN I2C1_Init 1 */
     
180. 
     
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 */
     
196. 
     
197.   /* USER CODE END I2C1_Init 2 */
     
198. 
     
199. }
     
200. 
     
201. /**
     
202.   * @brief USART1 Initialization Function
     
203.   * @param None
     
204.   * @retval None
     
205.   */
     
206. static void MX_USART1_UART_Init(void)
     
207. {
     
208. 
     
209.   /* USER CODE BEGIN USART1_Init 0 */
     
210. 
     
211.   /* USER CODE END USART1_Init 0 */
     
212. 
     
213.   /* USER CODE BEGIN USART1_Init 1 */
     
214. 
     
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 */
     
229. 
     
230.   /* USER CODE END USART1_Init 2 */
     
231. 
     
232. }
     
233. 
     
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};
     
242. 
     
243.   /* GPIO Ports Clock Enable */
     
244.   __HAL_RCC_GPIOH_CLK_ENABLE();
     
245.   __HAL_RCC_GPIOA_CLK_ENABLE();
     
246.   __HAL_RCC_GPIOB_CLK_ENABLE();
     
247. 
     
248.   /*Configure GPIO pin Output Level */
     
249.   HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET);
     
250. 
     
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);
     
257. 
     
258. }
     
259. 
     
260. /* USER CODE BEGIN 4 */
     
261. 
     
262. /* USER CODE END 4 */
     
263. 
     
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 */
     
272. 
     
273.   /* USER CODE END Error_Handler_Debug */
     
274. }
     
275. 
     
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 */
     
292. 
     
293. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
     

復制代碼

LCD1602代碼

LCDTEST.7z

2019-9-10 21:59 上傳

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5.26 MB, 下載次數: 72, 下載積分: 黑幣 -5

STM32 LCD 1602 HAL

---

作者: cchhang    時間: 2020-2-24 10:30
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