i2c control persistance byte

include/nonvolatile.h

@@ -5,7 +5,7 @@
 #define EE_PRESETS_CNT 99    // When set > 99 change the complete EEPROM adressing!
 #define EE_CHECKBYTE_VALUE 20     // 0 ~ 255,add new entry, change for new value
 #define EE_PRESETS_FREQUENCY 0     // Default value when memory channel should be skipped!
-#define EE_TOTAL_CNT 2287  // Total occupied eeprom bytes, we can take 20K
+#define EE_TOTAL_CNT 2288  // Total occupied eeprom bytes, we can take 20K
 
 #define EE_PRESETS_BAND_START 0     // 99 * 1 byte
 #define EE_PRESET_BW_START 99    // 99 * 1 byte
@@ -127,6 +127,7 @@
 #define EE_BYTE_CLOCKAMPM 2278
 #define EE_UINT16_LOGCOUNTER 2279
 #define EE_UINT16_PICTLOCK 2283
+#define EE_BYTE_CONTROLMODE 2285
 // End of EEPROM index defines
 
 void StoreFrequency();

src/comms.cpp

@@ -997,10 +997,8 @@ void total_pc_control() {
     } break;
     case 6: { // Change baud
       if(len < 5) break;
-      uint32_t clock = ((uint32_t)data[1] << 24) |
-                 ((uint32_t)data[2] << 16) |
-                 ((uint32_t)data[3] << 8)  |
-                 ((uint32_t)data[4]);
+      uint32_t clock = ((uint32_t)data[1] << 24) | ((uint32_t)data[2] << 16) |
+                 ((uint32_t)data[3] << 8) | ((uint32_t)data[4]);
       Serial.write(1);
       Serial.write(6);
       Serial.flush();
@@ -1020,10 +1018,14 @@ void total_pc_control() {
       Serial.write(8);
       for(uint16_t i = 0; i < data[3]; i++) Serial.write(EEPROM.read(address + i));
     } break;
+    case 0xfe: { // Get EEPROM address for starting control mode on boot
+      Serial.write(2);
+      Serial.write((uint8_t)(EE_BYTE_CONTROLMODE >> 8));
+      Serial.write(EE_BYTE_CONTROLMODE & 0xff);
+    } break;
     case 0xff: { // Another wake command
       Serial.write(1);
       Serial.write(0xff);
-      Serial.flush(true);
     } break;
     default:
       break;

src/main.cpp

@@ -198,6 +198,10 @@ void setup() {
 
   loadData();
 
+  pinMode(MODEBUTTON, INPUT);
+  if(i2c_pc_control && digitalRead(MODEBUTTON) == HIGH) return;
+  else i2c_pc_control = false;
+
   if (spispeed == 0) setAutoSpeedSPI();
   else tft.setSPISpeed(spispeed);
 
@@ -265,7 +269,6 @@ void setup() {
   tft.invertDisplay(!invertdisplay);
 
   pinMode(BANDBUTTON, INPUT);
-  pinMode(MODEBUTTON, INPUT);
   pinMode(BWBUTTON, INPUT);
   pinMode(ROTARY_BUTTON, INPUT);
   pinMode(ROTARY_PIN_A, INPUT);
@@ -1075,6 +1078,10 @@ void loop() {
   if(i2c_pc_control) {
     total_pc_control();
     if(i2c_pc_control) return;
+    if(EEPROM.readByte(EE_BYTE_CONTROLMODE)) {
+      saveData();
+      esp_restart();
+    }
   }
 
   handleWiFi();

src/nonvolatile.cpp

@@ -125,6 +125,7 @@ void saveData() {
   EEPROM.writeByte(EE_BYTE_AUTODST, autoDST);
   EEPROM.writeByte(EE_BYTE_CLOCKAMPM, clockampm);
   EEPROM.writeUInt(EE_UINT16_PICTLOCK, radio.rds.PICTlock);
+  EEPROM.writeByte(EE_BYTE_CONTROLMODE, 0); // Always 0
   EEPROM.commit();
 }
 
@@ -239,6 +240,7 @@ void loadData() {
   clockampm = EEPROM.readByte(EE_BYTE_CLOCKAMPM);
   logcounter = EEPROM.readUInt(EE_UINT16_LOGCOUNTER);
   radio.rds.PICTlock = EEPROM.readUInt(EE_UINT16_PICTLOCK);
+  i2c_pc_control = i2c_pc_control_init = EEPROM.readByte(EE_BYTE_CONTROLMODE);
 }
 
 void DefaultSettings() {
@@ -345,6 +347,7 @@ void DefaultSettings() {
   EEPROM.writeByte(EE_BYTE_AUTODST, 1);
   EEPROM.writeByte(EE_BYTE_CLOCKAMPM, 0);
   EEPROM.writeUInt(EE_UINT16_PICTLOCK, 0);
+  EEPROM.writeByte(EE_BYTE_CONTROLMODE, 0);
 
   EEPROM.writeByte(EE_BYTE_SPISPEED, 0);