Play color pattern stored in blink1mk2.
@note For mk2 devices only.
@param dev blink1 device to command
@param play boolean: 1=play, 0=stop
@param startpos position to start playing from
@param endpos position to end playing
@param count number of times to play (0=forever)
@return -1 on error, 0 on success
Play color pattern stored in blink1mk2. @note For mk2 devices only. @param dev blink1 device to command @param play boolean: 1=play, 0=stop @param startpos position to start playing from @param endpos position to end playing @param count number of times to play (0=forever) @return -1 on error, 0 on success