wm8994_Init() function

Initializes the audio codec and the control interface.

Syntax

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Summary

Declaration

Definition

from wm8994.h:442

uint32_t wm8994_Init(uint16_t DeviceAddr, uint16_t OutputInputDevice, uint8_t Volume, uint32_t AudioFreq);

Implemented in wm8994.c:120

Arguments

Argument

Description

DeviceAddr

Device address on communication Bus.

OutputInputDevice

can be OUTPUT_DEVICE_SPEAKER, OUTPUT_DEVICE_HEADPHONE, OUTPUT_DEVICE_BOTH, OUTPUT_DEVICE_AUTO, INPUT_DEVICE_DIGITAL_MICROPHONE_1, INPUT_DEVICE_DIGITAL_MICROPHONE_2, INPUT_DEVICE_DIGITAL_MIC1_MIC2, INPUT_DEVICE_INPUT_LINE_1 or INPUT_DEVICE_INPUT_LINE_2.

Volume

Initial volume level (from 0 (Mute) to 100 (Max))

AudioFreq

Audio Frequency

Return value

0 if correct communication, else wrong communication

Examples

References

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wm8994_Init() function

Syntax

Arguments

Return value

Examples

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