Added I2S input switch for future purpose

TEF6686_ESP32.ino

@@ -710,7 +710,7 @@ void setup() {
 
   setupmode = false;
   if (edgebeep) radio.tone(50, -5, 2000);
-
+  radio.I2Sin(true);
   if (screensaverset) {
     ScreensaverTimerInit();
     ScreensaverTimerSet(screensaverOptions[screensaverset]);

src/TEF6686.cpp

@@ -1569,6 +1569,10 @@ void TEF6686::tone(uint16_t time, int16_t amplitude, uint16_t frequency) {
   devTEF_Radio_Set_Wavegen(0, 0, 0);
 }
 
+void TEF6686::I2Sin(bool mode) {
+	devTEF_Radio_Set_I2S_Input(mode);
+}
+
 String TEF6686::convertToUTF8(const wchar_t* input) {
   String output;
   while (*input) {

src/TEF6686.h

@@ -1,4 +1,4 @@
-#ifndef TEF6686_H
+ifndef TEF6686_H
 #define TEF6686_H
 
 #include "Arduino.h"
@@ -655,6 +655,7 @@ class TEF6686 {
     bool getStatus(int16_t &level, uint16_t &USN, uint16_t &WAM, int16_t &offset, uint16_t &bandwidth, uint16_t &modulation, int8_t &snr);
     bool getStatusAM(int16_t &level, uint16_t &noise, uint16_t &cochannel, int16_t &offset, uint16_t &bandwidth, uint16_t &modulation, int8_t &snr);
     bool getIdentification(uint16_t &device, uint16_t &hw_version, uint16_t &sw_version);
+    void I2Sin(bool mode);
     void setSoftmuteFM(uint8_t mode);
     void setSoftmuteAM(uint8_t mode);
     void setMono(bool mono);

src/Tuner_Drv_Lithio.cpp

@@ -234,7 +234,7 @@ bool devTEF_Radio_Get_Quality_Status_AM (int16_t *level, uint16_t *noise, uint16
   *mod = Convert8bto16b(buf + 12) / 10;
   if (*level < -200) *level = -200;
   if (*level > 1200) *level = 1200;
-  *snr = int(0.46222375 * (float)(*level) / 10 - 0.082495118 * (float)(*noise/50) / 10) + 10;
+  *snr = int(0.46222375 * (float)(*level) / 10 - 0.082495118 * (float)(*noise / 50) / 10) + 10;
   return r;
 }
 
@@ -290,3 +290,11 @@ bool devTEF_Radio_Set_Wavegen(bool mode, int16_t amplitude, uint16_t freq) {
     return devTEF_Set_Cmd(TEF_AUDIO, Cmd_Set_WaveGen, 15, 0);
   }
 }
+
+bool devTEF_Radio_Set_I2S_Input(bool mode) {
+  if (mode) {
+    return devTEF_Set_Cmd(TEF_AUDIO, Cmd_Set_Input, 5, 32);
+  } else {
+    return devTEF_Set_Cmd(TEF_AUDIO, Cmd_Set_Input, 5, 0);
+  }
+}

src/Tuner_Drv_Lithio.h

@@ -107,5 +107,6 @@ bool devTEF_Radio_Set_StHiBlend_Noise(uint8_t mode, uint16_t start, uint16_t slo
 bool devTEF_Radio_Set_StHiBlend_Mph(uint8_t mode, uint16_t start, uint16_t slope);
 bool devTEF_Radio_Set_NoisBlanker(uint8_t mode, uint16_t start);
 bool devTEF_Radio_Set_Wavegen(bool mode, int16_t amplitude, uint16_t freq);
+bool devTEF_Radio_Set_I2S_Input(bool mode);
 
 #endif

src/Tuner_Interface.cpp

@@ -30,7 +30,8 @@ static const unsigned char tuner_init_tab[] = {
   9, 0x20, 0x4A, 0x01, 0x00, 0x00, 0x00, 0xA0, 0x00, 0x8C,
   7, 0x20, 0x4B, 0x01, 0x00, 0x00, 0x0F, 0xA0,
   5, 0x20, 0x56, 0x01, 0x03, 0x84,
-  7, 0x30, 0x15, 0x01, 0x00, 0x80, 0x00, 0x01
+  7, 0x30, 0x15, 0x01, 0x00, 0x80, 0x00, 0x01,
+  13, 0x30, 0x16, 0x01, 0x00, 0x20, 0x00, 0x01, 0x00, 0x10, 0x00, 0x00, 0x12, 0xc0
 };
 
 static const unsigned char tuner_init_tab4000[] = {