#include "bma253.h" void i2c_chekc(uint8_t result){ switch(result){ case HAL_OK: printf("HAL_OK : %d \r\n",result); break; case HAL_ERROR: printf("HAL_ERROR : %d\r\n",result); break; case HAL_BUSY: printf("HAL_BUSY : %d\r\n",result); break; case HAL_TIMEOUT: printf("HAL_TIMEOUT : %d\r\n",result); break; } } int bma253_get_chip_id(void){ uint8_t data,res[1]={0,}; data = HAL_I2C_Mem_Read(&hi2c2, (REG_VALUE_CHIP_ID << 1), BMA253_SPI_READ_CMD_BIT|0, 1, &res[0], 1, 10); i2c_chekc(data); HAL_Delay(1000); data = HAL_I2C_Mem_Read(&hi2c2, REG_VALUE_CHIP_ID , BMA253_SPI_READ_CMD_BIT|0, 1, &res[0], 1, 10); i2c_chekc(data); HAL_Delay(1000); data = HAL_I2C_Mem_Read(&hi2c2, 0, 0xfa, 1, &res[0], 1, 10); i2c_chekc(data); HAL_Delay(1000); data = HAL_I2C_Mem_Read(&hi2c2, 0, 0xfa<<1, 1, &res[0], 1, 10); i2c_chekc(data); HAL_Delay(1000); }