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主要是靠osal_msg_receive函数来接收的 return *uint8 - message information or NULL if no message
/********************************************************************* * @fn osal_msg_receive * * @brief * * This function is called by a task to retrieve a received command * message. The calling task must deallocate the message buffer after * processing the message using the osal_msg_deallocate() call. * * @param uint8 task_id - receiving tasks ID * * @return *uint8 - message information or NULL if no message */
