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App
SPBX-SDK
SPBX
CALL Rp_PlayFile()
(RETRUN)
CALL SsmStopPlay()
STOP_PLAY_REQ
(RETURN)
START_PLAY_REQ
FREE TIME
START_PLAY_ACK
EVENT OK_Rp_PlayFile
EVENT OK_Rp_StopPlay
STOP_PLAY_ACK