catching up (trying to) wiht CSpot

components/spotify/cspot/bell/include/sinks/esp/ES8388AudioSink.h

@@ -0,0 +1,105 @@
+#ifndef ES8388AUDIOSINK_H
+#define ES8388AUDIOSINK_H
+
+#include "driver/i2s.h"
+#include <driver/i2c.h>
+#include <vector>
+#include <iostream>
+#include "BufferedAudioSink.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <sys/unistd.h>
+#include <sys/stat.h>
+#include "esp_err.h"
+#include "esp_log.h"
+
+
+#define ES8388_ADDR 0x20
+
+#define ACK_CHECK_EN   		0x1 
+
+/* ES8388 register */
+#define ES8388_CONTROL1 0x00
+#define ES8388_CONTROL2 0x01
+#define ES8388_CHIPPOWER 0x02
+#define ES8388_ADCPOWER 0x03
+#define ES8388_DACPOWER 0x04
+#define ES8388_CHIPLOPOW1 0x05
+#define ES8388_CHIPLOPOW2 0x06
+#define ES8388_ANAVOLMANAG 0x07
+#define ES8388_MASTERMODE 0x08
+
+/* ADC */
+#define ES8388_ADCCONTROL1 0x09
+#define ES8388_ADCCONTROL2 0x0a
+#define ES8388_ADCCONTROL3 0x0b
+#define ES8388_ADCCONTROL4 0x0c
+#define ES8388_ADCCONTROL5 0x0d
+#define ES8388_ADCCONTROL6 0x0e
+#define ES8388_ADCCONTROL7 0x0f
+#define ES8388_ADCCONTROL8 0x10
+#define ES8388_ADCCONTROL9 0x11
+#define ES8388_ADCCONTROL10 0x12
+#define ES8388_ADCCONTROL11 0x13
+#define ES8388_ADCCONTROL12 0x14
+#define ES8388_ADCCONTROL13 0x15
+#define ES8388_ADCCONTROL14 0x16
+
+/* DAC */
+#define ES8388_DACCONTROL1 0x17
+#define ES8388_DACCONTROL2 0x18
+#define ES8388_DACCONTROL3 0x19
+#define ES8388_DACCONTROL4 0x1a
+#define ES8388_DACCONTROL5 0x1b
+#define ES8388_DACCONTROL6 0x1c
+#define ES8388_DACCONTROL7 0x1d
+#define ES8388_DACCONTROL8 0x1e
+#define ES8388_DACCONTROL9 0x1f
+#define ES8388_DACCONTROL10 0x20
+#define ES8388_DACCONTROL11 0x21
+#define ES8388_DACCONTROL12 0x22
+#define ES8388_DACCONTROL13 0x23
+#define ES8388_DACCONTROL14 0x24
+#define ES8388_DACCONTROL15 0x25
+#define ES8388_DACCONTROL16 0x26
+#define ES8388_DACCONTROL17 0x27
+#define ES8388_DACCONTROL18 0x28
+#define ES8388_DACCONTROL19 0x29
+#define ES8388_DACCONTROL20 0x2a
+#define ES8388_DACCONTROL21 0x2b
+#define ES8388_DACCONTROL22 0x2c
+#define ES8388_DACCONTROL23 0x2d
+#define ES8388_DACCONTROL24 0x2e
+#define ES8388_DACCONTROL25 0x2f
+#define ES8388_DACCONTROL26 0x30
+#define ES8388_DACCONTROL27 0x31
+#define ES8388_DACCONTROL28 0x32
+#define ES8388_DACCONTROL29 0x33
+#define ES8388_DACCONTROL30 0x34
+
+class ES8388AudioSink : public BufferedAudioSink
+{
+public:
+    ES8388AudioSink();
+    ~ES8388AudioSink();
+    
+    bool begin(int sda = -1, int scl = -1, uint32_t frequency = 400000U);
+
+    enum ES8388_OUT
+    {
+        ES_MAIN, // this is the DAC output volume (both outputs)
+        ES_OUT1, // this is the additional gain for OUT1
+        ES_OUT2  // this is the additional gain for OUT2
+    };
+
+    void mute(const ES8388_OUT out, const bool muted);
+    void volume(const ES8388_OUT out, const uint8_t vol);
+
+    void writeReg(uint8_t reg_add, uint8_t data);
+private:
+    i2c_config_t i2c_config;
+    i2c_port_t i2c_port = 0;
+};
+
+#endif