使用SPI_Transmit发送指令来读取器件ID,但SPI_Receive收到的数据与SPI_Transmit一样,ID1[0]=0x81,ID1[1]=0x00,ID1[2]=0x00;
uint8_t cmd[3] = {0x81,0x00,0x00};
uint8_t ID1[3] = {0x00,0x00,0x00};
uint16_t DACX61416_ID = 0;
//0x81=23-16位,R/W读写位(1x)+DEVICEID Register 01h
SPI1_1_NSS_Enable();
/* Send the read ID command */
HAL_SPI_Transmit( hspi1, cmd, 3, DACx1416_
timeout_3);
/* Reception of the data */
HAL_SPI_Receive( hspi1,ID1, 3, DACx1416_Timeout_3);
SPI1_1_NSS_Disable();
printf("%x%xn",ID1[1],ID1[2]);