54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
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// M5Stack Node support
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// thanks to Cellie - issue #35 25.Apr.2020
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// M5Stack board with Node base also need a MCLK signal on GPIO0.
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#include <wm8978.h> /* https://github.com/CelliesProjects/wm8978-esp32 */
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#include <Audio.h> /* https://github.com/schreibfaul1/ESP32-audioI2S */
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/* M5Stack Node WM8978 I2C pins */
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#define I2C_SDA 21
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#define I2C_SCL 22
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/* M5Stack Node I2S pins */
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#define I2S_BCK 5
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#define I2S_WS 13
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#define I2S_DOUT 2
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#define I2S_DIN 34
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/* M5Stack WM8978 MCLK gpio number */
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#define I2S_MCLKPIN 0
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WM8978 dac;
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Audio audio;
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void setup() {
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/* Setup wm8978 I2C interface */
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if (!dac.begin(I2C_SDA, I2C_SCL)) {
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ESP_LOGE(TAG, "Error setting up dac. System halted");
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while (1) delay(100);
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}
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/* Setup wm8978 I2S interface */
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audio.setPinout(I2S_BCK, I2S_WS, I2S_DOUT, I2S_DIN);
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/* Setup wm8978 MCLK - for example M5Stack Node needs MCLK on GPIO 0 */
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audio.i2s_mclk_pin_select(I2S_MCLKPIN);
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WiFi.begin("xxx", "xxx");
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while (!WiFi.isConnected()) {
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delay(10);
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}
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ESP_LOGI(TAG, "Connected");
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ESP_LOGI(TAG, "Starting MP3...\n");
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audio.connecttohost("http://icecast.omroep.nl/3fm-bb-mp3");
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dac.setSPKvol(40); /* max 63 */
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dac.setHPvol(32, 32);
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}
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void loop() {
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audio.loop();
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}
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