COMMAND | This is the content of command0. It consists of three part. op_code is the command 0: RSTART 1: WRITE 2: READ 3: STOP . 4:END. Byte_num represent the number of data need to be send or data need to be received. ack_check_en ack_exp and ack value are used to control the ack bit. |
COMMAND_DONE | When command0 is done in I2C Master mode this bit changes to high level. |