Datasheet

uint16_t GPIO_digitalRead(void) - Read all 8 GPIO pins at once.
boolean GPIO_digitalRead(uint8_t i) - Read a single GPIO pin.
void GPIO_pinMo de(uint8_t i, uint8_t dir) - Set the Pin Mode (INPUT/OUTPUT)
for a GPIO pin.
boolean prepareRecordOgg(char *plugin) - Initialize chip for OGG recording.
void startRecordOgg(boolean mic) - Start recording (mic = true for
microphone input).
void stopRecordOgg(void) - Stop the recording.
uint16_t recordedWordsWaiting(void) - Returns the number of words
recorded.
uint16_t recordedReadWord(void) - Reads the next word from the buffer of
recorded words.
uint16_t recordedReadWord(void) - Reads the next word from the buffer of
recorded words.
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https://learn.adafruit.com/adafruit-vs1053-mp3-aac-ogg-midi-wav-
play-and-record-codec-tutorial
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