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- #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);
- }
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