extern void bmp280_forced_mode_get_temperature_and_pressure(struct bmp280 *bmp280, double *temperature, double *pressure); extern void bmp280_demo(I2C_HandleTypeDef I2cHandle, double *temperature, double *pressure); #endif 3.主函数相关代码: uint8_t bmp280_id = 0; uint8_t ctr_reg = 0;...
1.iic.h文件代码 iic.h文件主要是I2C初始化函数的声明,如下: #ifndef _IIC_H #define _IIC_H #include "./SYSTEM/sys/sys.h" extern I2C_HandleTypeDef g_i2c5_handle; void iic5_init(void); #endif 2.iic.c文件代码 iic.c文件主要是I2C的初始化函数,代码附上了详细的注释,可以很容易看懂,如下: ...
Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; if (HAL_I2C_Init(&hi2c2) != HAL_OK){ Error_Handler(); } } void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle){ GPIO_InitTypeDef GPIO_InitStruct = {0}; if(i2cHandle->Instance==I2C2){ __HAL_RCC_GPIOB_CLK_ENABLE(); /**I2C2 GPIO ...
// I2C句柄 I2C_HandleTypeDef hi2c1;b. UART初始化函数 c 复制代码 void MX_USART1_UART_Init(...
* @param hi2c Pointer to a I2C_HandleTypeDef structure that contains * the configuration information for the specified I2C. * @param DevAddress Target device address: The device 7 bits address value * in datasheet must be shifted to the left before calling the interface ...
在main.c中加入头文件并初始化 I2C_HandleTypeDef, 如果不使用PA1+PA4, 需要修改下面的I2C_Init()代码. #include"ssd1306.h" I2C_HandleTypeDef hi2c; voidI2C_Init(void) { hi2c.SCL_Port = GPIOA; hi2c.SCL_Pin = GPIO_PIN_1; hi2c.SDA_Port = GPIOA; ...
voidHAL_I2C_MspInit(I2C_HandleTypeDef *hi2c) { GPIO_InitTypeDef GPIO_InitStruct; if(hi2c->Instance==I2C1) { __I2C1_CLK_ENABLE(); // PB6 ---> I2C1_SCL // PB7 ---> I2C1_SDA // strong pull-uphigh to recover from locking in BUSY state GPIO...
(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *p...
void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c) { GPIO_InitTypeDef GPIO_InitStruct; /* ##使能使能外设和GPIO时钟*/ /* 使能GPIO时钟*/ I2Cx_SCL_GPIO_CLK_ENABLE(); I2Cx_SDA_GPIO_CLK_ENABLE(); /*使能 I2C1使能时钟 */ I2Cx_CLK_ENABLE(); /*##配置外设引脚 */ /* I2C TX GPIO配置 */...
void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle){ GPIO_InitTypeDef GPIO_InitStruct = {0};if(...