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»论坛 › 嵌入式/单片机论坛 › STM32/8 › STM32F401驱动0.96寸OLED屏显示0ADC采集的值，已验证测 ...
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STM32F401驱动0.96寸OLED屏显示0ADC采集的值，已验证测试ok

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ID:169702 发表于 2017-12-10 20:53 | 显示全部楼层 |阅读模式
使用的是四接口的0.96寸OLED
//              GND    电源地
//              VCC  接5V或3.3v电源
//              SCL   PB4
//              SDA   PB5   
44.jpg

单片机源程序如下:
  1. /**
  2.   ******************************************************************************
  3.   * File Name          : main.c
  4.   * Description        : Main program body
  5.   ******************************************************************************
  6.   ** This notice applies to any and all portions of this file
  7.   * that are not between comment pairs USER CODE BEGIN and
  8.   * USER CODE END. Other portions of this file, whether
  9.   * inserted by the user or by software development tools
  10.   * are owned by their respective copyright owners.
  11.   *
  12.   * COPYRIGHT(c) 2017 STMicroelectronics
  13.   *
  14.   * Redistribution and use in source and binary forms, with or without modification,
  15.   * are permitted provided that the following conditions are met:
  16.   *   1. Redistributions of source code must retain the above copyright notice,
  17.   *      this list of conditions and the following disclaimer.
  18.   *   2. Redistributions in binary form must reproduce the above copyright notice,
  19.   *      this list of conditions and the following disclaimer in the documentation
  20.   *      and/or other materials provided with the distribution.
  21.   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  22.   *      may be used to endorse or promote products derived from this software
  23.   *      without specific prior written permission.
  24.   *
  25.   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  26.   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27.   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  28.   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  29.   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30.   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31.   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  32.   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  33.   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34.   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35.   *
  36.   ******************************************************************************
  37.   */
  38. /* Includes ------------------------------------------------------------------*/
  39. #include "main.h"
  40. #include "stm32f4xx_hal.h"

  42. /* USER CODE BEGIN Includes */
  43. #include "oled.h"
  44. #include "bmp.h"
  45. /* USER CODE END Includes */

  47. /* Private variables ---------------------------------------------------------*/
  48. ADC_HandleTypeDef hadc1;

  50. TIM_HandleTypeDef htim3;

  52. /* USER CODE BEGIN PV */
  53. /* Private variables ---------------------------------------------------------*/

  55. /* USER CODE END PV */

  57. /* Private function prototypes -----------------------------------------------*/
  58. void SystemClock_Config(void);
  59. static void MX_GPIO_Init(void);
  60. static void MX_ADC1_Init(void);
  61. static void MX_TIM3_Init(void);

  63. /* USER CODE BEGIN PFP */
  64. /* Private function prototypes -----------------------------------------------*/
  65.   u32 ADC_Value;

  67. /* USER CODE END PFP */

  69. /* USER CODE BEGIN 0 */

  71. /* USER CODE END 0 */

  73. int main(void)
  74. {

  76.   /* USER CODE BEGIN 1 */

  78.   /* USER CODE END 1 */

  80.   /* MCU Configuration----------------------------------------------------------*/

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

  85.   /* USER CODE BEGIN Init */

  87.   /* USER CODE END Init */

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

  92.   /* USER CODE BEGIN SysInit */

  94.   /* USER CODE END SysInit */

  96.   /* Initialize all configured peripherals */
  97.   MX_GPIO_Init();
  98.   MX_ADC1_Init();
  99.   MX_TIM3_Init();

  101.   /* USER CODE BEGIN 2 */
  102.   OLED_Init();
  103.   OLED_Clear();

  105.   /* USER CODE END 2 */

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

  113.   /* USER CODE BEGIN 3 */
  114.     /*************显示字符测试************/
  115. //    OLED_ShowString(0,0,"A");
  116. //    OLED_ShowString(0,2,"A");
  117. //    OLED_ShowString(0,4,"A");
  118. //    OLED_ShowString(0,6,"A");
  119. //   
  120. //    OLED_ShowString(8,0,"A");
  121. //    OLED_ShowString(8,2,"A");
  122. //    OLED_ShowString(8,4,"A");
  123. //    OLED_ShowString(8,6,"A");   
  124. //   
  125. //    OLED_ShowString(120,0,"A");
  126. //    OLED_ShowString(120,2,"A");
  127. //    OLED_ShowString(120,4,"A");
  128. //    OLED_ShowString(120,6,"A");
  129.     /*************显示汉字测试************/   
  130. //    OLED_ShowCHinese(0,0,0);
  131. //    OLED_ShowCHinese(0,2,0);
  132. //    OLED_ShowCHinese(0,4,0);
  133. //    OLED_ShowCHinese(0,6,0);
  134. //   
  135. //    OLED_ShowCHinese(18,0,0);
  136. //    OLED_ShowCHinese(18,2,0);
  137. //    OLED_ShowCHinese(18,4,0);
  138. //    OLED_ShowCHinese(18,6,0);
  139. //   
  140. //    OLED_ShowCHinese(108,0,0);
  141. //    OLED_ShowCHinese(108,2,0);
  142. //    OLED_ShowCHinese(108,4,0);
  143. //    OLED_ShowCHinese(108,6,0);
  144.     /*************显示图片测试************/   
  145. //      OLED_DrawBMP(0,0,128,8,BMP1);

  147.     /*************ADC1测试************/
  148.       HAL_ADC_Start(&hadc1);
  149.       HAL_ADC_PollForConversion(&hadc1,50);
  150.       
  151.       ADC_Value=HAL_ADC_GetValue(&hadc1);
  152.       
  153.       OLED_ShowString(0,0,"ADC_Value");
  154.       OLED_ShowNum(1,2,ADC_Value,4,16);   
  155.          
  156.       /*************流水灯测试************/  
  157. //      HAL_GPIO_WritePin(GPIOD,GPIO_PIN_12,GPIO_PIN_SET);
  158. //      HAL_Delay(1000);
  159. //      HAL_GPIO_WritePin(GPIOD,GPIO_PIN_13,GPIO_PIN_SET);
  160. //      HAL_Delay(1000);
  161. //      HAL_GPIO_WritePin(GPIOD,GPIO_PIN_14,GPIO_PIN_SET);
  162. //      HAL_Delay(1000);
  163. //      HAL_GPIO_WritePin(GPIOD,GPIO_PIN_15,GPIO_PIN_SET);
  164. //      HAL_Delay(1000);
  165. //        
  166. //      HAL_GPIO_WritePin(GPIOD,GPIO_PIN_12,GPIO_PIN_RESET);
  167. //      HAL_Delay(1000);
  168. //      HAL_GPIO_WritePin(GPIOD,GPIO_PIN_13,GPIO_PIN_RESET);
  169. //      HAL_Delay(1000);
  170. //      HAL_GPIO_WritePin(GPIOD,GPIO_PIN_14,GPIO_PIN_RESET);
  171. //      HAL_Delay(1000);
  172. //      HAL_GPIO_WritePin(GPIOD,GPIO_PIN_15,GPIO_PIN_RESET);
  173. //      HAL_Delay(1000);
  174.     /*************TIM3测试************/
  175.       HAL_TIM_Base_Start_IT(&htim3);
  176.   }
  177.   /* USER CODE END 3 */

  179. }

  181. /** System Clock Configuration
  182. */
  183. void SystemClock_Config(void)
  184. {

  186.   RCC_OscInitTypeDef RCC_OscInitStruct;
  187.   RCC_ClkInitTypeDef RCC_ClkInitStruct;

  189.     /**Configure the main internal regulator output voltage
  190.     */
  191.   __HAL_RCC_PWR_CLK_ENABLE();

  193.   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);

  195.     /**Initializes the CPU, AHB and APB busses clocks
  196.     */
  197.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  198.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  199.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  200.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  201.   RCC_OscInitStruct.PLL.PLLM = 6;
  202.   RCC_OscInitStruct.PLL.PLLN = 168;
  203.   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
  204.   RCC_OscInitStruct.PLL.PLLQ = 4;
  205.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  206.   {
  207.     _Error_Handler(__FILE__, __LINE__);
  208.   }

  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(__FILE__, __LINE__);
  222.   }

  224.     /**Configure the Systick interrupt time
  225.     */
  226.   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

  228.     /**Configure the Systick
  229.     */
  230.   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  232.   /* SysTick_IRQn interrupt configuration */
  233.   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  234. }

  236. /* ADC1 init function */
  237. static void MX_ADC1_Init(void)
  238. {

  240.   ADC_ChannelConfTypeDef sConfig;

  242.     /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
  243.     */
  244.   hadc1.Instance = ADC1;
  245.   hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
  246.   hadc1.Init.Resolution = ADC_RESOLUTION_12B;
  247.   hadc1.Init.ScanConvMode = DISABLE;
  248.   hadc1.Init.ContinuousConvMode = DISABLE;
  249.   hadc1.Init.DiscontinuousConvMode = DISABLE;
  250.   hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
  251.   hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
  252.   hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  253.   hadc1.Init.NbrOfConversion = 1;
  254.   hadc1.Init.DMAContinuousRequests = DISABLE;
  255.   hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
  256.   if (HAL_ADC_Init(&hadc1) != HAL_OK)
  257.   {
  258.     _Error_Handler(__FILE__, __LINE__);
  259.   }

  261.     /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  262.     */
  263.   sConfig.Channel = ADC_CHANNEL_0;
  264.   sConfig.Rank = 1;

  266. ……………………

  268. …………限于本文篇幅 余下代码请从51黑下载附件…………
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所有资料51hei提供下载:
ADC.rar (11.58 MB, 下载次数: 189)

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ID:282283 发表于 2018-2-6 10:57 | 显示全部楼层
做个金属壳屏蔽继电器
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ID:283270 发表于 2018-2-9 11:08 | 显示全部楼层
这个不错。。我要正在准备弄个OLED屏玩玩。
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ID:289512 发表于 2018-3-31 09:59 | 显示全部楼层
好东西，有空玩玩。。
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ID:342071 发表于 2018-7-22 21:53 | 显示全部楼层
666666感谢楼主
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ID:374694 发表于 2018-7-23 07:26 | 显示全部楼层
LIHAILE厉害了
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ID:348540 发表于 2019-4-28 21:58 | 显示全部楼层
谢谢楼主，但里面没知道工程文件
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ID:52988 发表于 2020-1-19 09:26 | 显示全部楼层
这个里面不知道有没有工程文件？
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