| 摘要 |
The communication system comprises an image module and a host. The host initializes and controls the image module by sending control commands thereto and each control command comprises a plurality of sub-commands. The sub-commands are transmitted to the image module in sequence. Then, the image module processes the sub-command and returns an ACK to the host. When completely sends all sub-commands of a control command out, the host checks the feed-back ACKs, if the feed-back ACKs are fault, then resends the sub-commands of the control command in sequence. Therefore, the host no longer wastes time on waiting an ACK before sending another sub-command. As a result, it cuts delay down and improves transmitting efficiency of the wireless communication system.
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