stm32f103+sht30+oled不能正常显示

NCSA · 发表于 2021-4-6 16:00:39

使用stm32cubemx + stm32f103ZET6+sht30+0.96OLED(四针)
可以正常采集数据，但OLED不显示，单独测试OLED能正常工作，函数如下，请大佬指导一下，存在什么问题。
#include "main.h"
#include "i2c.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "stdio.h"
#include "sht30_i2c_drv.h"
#include "oled.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
uint8_t str_buff[64];
uint8_t str1[]="sht303õê¼»ˉ3é1|\r\n";
uint8_t str2[]="sht303õê¼»ˉê§°ü\r\n";
uint8_t str3[]="CRCD￡Ñéê§°ü\r\n";
uint8_t str4[]="¶áè¡êy¾Yê§°ü\r\n";
char str5[]="Hollo tmpersonser";
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */
uint8_t recv_dat[6] = {0};
float temperature = 0.0;
float humidity = 0.0;
// uint8_t tem_buff[16];
// uint8_t hum_buff[16];
  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

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

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_I2C1_Init();
  MX_USART1_UART_Init();
  MX_I2C2_Init();
  /* USER CODE BEGIN 2 */
   HAL_GPIO_WritePin(GPIOB ,GPIO_PIN_5,GPIO_PIN_RESET);
   SHT30_Reset();
if(SHT30_Init() == HAL_OK)
HAL_UART_Transmit(&huart1 ,str1 ,sizeof(str1),10000);
      //printf("sht30 init ok.\n");
else
HAL_UART_Transmit(&huart1 ,str2 ,sizeof(str2),10000);
   // printf("sht30 init fail.\n");
      OLED_Init();
   OLED_Clear();
   OLED_ShowString(0,0,(uint8_t *)str5,sizeof(str5));
HAL_Delay (500);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
HAL_GPIO_TogglePin (GPIOB,GPIO_PIN_5);
OLED_Clear();
HAL_Delay(1000);
      if(SHT30_Read_Dat(recv_dat) == HAL_OK)
      {
         if(SHT30_Dat_To_Float(recv_dat, &temperature, &humidity)==0)
         {
            sprintf((char *)str_buff ,"temperature = %f, humidity = %f\r\n",temperature, humidity);
HAL_UART_Transmit (&huart1 ,str_buff ,sizeof(str_buff),10000);
OLED_ShowString(0,2,str_buff ,sizeof(str_buff ));
//printf("temperature = %f, humidity = %f\r\n", temperature, humidity);
         }
         else
         {
   HAL_UART_Transmit(&huart1 ,str3 ,sizeof(str3),10000);
            // printf("crc check fail.\n");
         }
      }
      else
      {
   HAL_UART_Transmit(&huart1 ,str4 ,sizeof(str4),10000);
         // printf("read data from sht30 fail.\n");
      }
}
/* USER CODE END WHILE */

/* USER CODE BEGIN 3 */

  /* USER CODE END 3 */
}