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交流学习，如有错误欢迎指正。by:wwdeng QQ:435398366

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USB -> usb_vendor_callback -> pc_usb_cmd_set -> anc_cmd_receve_process

pc_usb_cmd_set中cmd = PC_TOOL_CMD_ANC_MC_EQ_TUNING("ANC_MC_EQ")
anc_cmd_receve_process中数据转换为消息结构体

typedef enum {
    PC_TOOL_CMD_IDLE,
    PC_TOOL_CMD_GET_FW_VER,
    PC_TOOL_CMD_GET_PROD_SN,
//    QUERY_VOLTAGE,
//    BURN_SN,
    PC_TOOL_CMD_SYS_REBOOT,
    PC_TOOL_CMD_SYS_SHUTDOWN,
    PC_TOOL_CMD_PING,
    PC_TOOL_CMD_CHECK,
    PC_TOOL_CMD_FW_UPDATE,
#ifdef USB_EQ_TUNING
    PC_TOOL_CMD_EQ_TUNING,
#endif
#ifdef USB_ANC_MC_EQ_TUNING
    PC_TOOL_CMD_ANC_MC_EQ_TUNING,
#endif
    PC_TOOL_CMD_NUM,
}PC_TOOL_CMD_E;

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交流学习，如有错误欢迎指正。by:wwdeng QQ:435398366

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