3. Operating Method
Fig. 3-4 Typical evaluation board connection configuration
Voice playback on evaluation board
Operate the evaluation boards as described below.
Insert the microSD card containing the voice data created in Section 3.2 into the microSD card
slot on the CASTLE board.
Turn on power for the battery to supply power to the CASTLE board and to the NIJYO board.
After power ON, wait until all LEDs on the CASTLE board blink three times.
Press the SW2 (pushbutton switch) on the CASTLE board to play back the voice data.
After voice data playback starts, use pushbutton switches SW2 through SW5 for Play, Stop, Skip,
and sound level adjustments, as shown in Table 3-4.
Table 3-4 Pushbutton switches
Press this SW to alternately toggle (function Start or Stop)
voice playback. Voice playback will begin (Start) when the
SW is pressed for the first time, and the voice data in the
microSD card is read out from the beginning to reproduce the
sound. When the SW is pressed again, playback stops (Stop)
and interrupts voice data reproduction. If the SW is pressed
yet again, voice data playback resumes from the point at
which voice data playback was interrupted.
Pressing this SW skips playback to the next voice data file.
(If you press the SW in mid-playback, playback of that file is
interrupted and skips to the next voice data file.
Hold down this SW to gradually increase audio volume.
Hold down this SW to gradually decrease audio volume.
S1V3034x Series Evaluation Kit Start Guide