Fix in VCOM programming for inkplate 6

Author: PericR

examples/Inkplate10/Others/Inkplate_Factory_Programming_VCOM/Inkplate_Factory_Programming_VCOM.ino

@@ -489,6 +489,7 @@ void writeVCOMToEEPROM(double v)
     vcomH = readReg(0x04);
     Serial.print("Vcom: ");
     Serial.println(vcom);
+    Serial.print("Vcom register: ");
     Serial.println(vcomL | (vcomH << 8));
 
     if (vcom != (vcomL | (vcomH << 8)))

examples/Inkplate6/Others/Inkplate_Factory_Programming_VCOM/Inkplate_Factory_Programming_VCOM.ino

@@ -13,6 +13,8 @@ int EEPROMaddress = 0;
 char commandBuffer[BUFFER_SIZE + 1];
 char strTemp[2001];
 
+uint8_t mcpRegsInt[22];
+
 void setup()
 {
     display.begin();
@@ -21,10 +23,10 @@ void setup()
 
     if (EEPROM.read(EEPROMaddress) != 170)
     {
-        display.digitalWriteMCP(3, HIGH);
-        display.digitalWriteMCP(4, HIGH);
-        display.digitalWriteMCP(5, HIGH);
-        display.pinModeMCP(6, INPUT_PULLUP);
+        display.digitalWriteInternal(MCP23017_ADDR, mcpRegsInt, 3, HIGH);
+        display.digitalWriteInternal(MCP23017_ADDR, mcpRegsInt, 4, HIGH);
+        display.digitalWriteInternal(MCP23017_ADDR, mcpRegsInt, 5, HIGH);
+        display.pinModeInternal(MCP23017_ADDR, mcpRegsInt, 6, INPUT_PULLUP);
         display.display();
         display.einkOn();
         delay(100);
@@ -36,6 +38,7 @@ void setup()
         Serial.print(vcomVoltage, 2);
         Serial.println("V");
         delay(1000);
+        display.pinModeInternal(MCP23017_INT_ADDR, mcpRegsInt, 6, INPUT_PULLUP);
         writeVCOMToEEPROM(vcomVoltage);
         EEPROM.write(EEPROMaddress, 170);
         EEPROM.commit();
@@ -402,7 +405,7 @@ uint8_t readReg(uint8_t _reg)
 
 void showSplashScreen()
 {
-    display.clean();
+    display.clean(0, 1);
     display.display();
     display.selectDisplayMode(INKPLATE_3BIT);
     display.drawBitmap3Bit(0, 0, picture1, picture1_w, picture1_h);
@@ -414,11 +417,12 @@ void showSplashScreen()
     display.display();
 }
 
+//Inkplate 6 Null waveform
 void writeToScreen()
 {
-    display.cleanFast(1, 8);
-    display.cleanFast(0, 2);
-    display.cleanFast(2, 10);
+    display.clean(1, 8);
+    display.clean(0, 2);
+    display.clean(2, 10);
     // delay(10);
 }
 
@@ -430,7 +434,7 @@ double readVCOM()
     writeToScreen();
     writeReg(0x04, (readReg(0x04) | B10000000));
     delay(10);
-    while (display.digitalReadMCP(6))
+    while (display.digitalReadInternal(MCP23017_ADDR, mcpRegsInt,6))
     {
         delay(1);
     };
@@ -449,10 +453,10 @@ void writeVCOMToEEPROM(double v)
     vcomL = vcom & 0xFF;
     // First, we have to power up TPS65186
     // Pull TPS65186 WAKEUP pin to High
-    display.digitalWriteMCP(3, HIGH);
+    display.digitalWriteInternal(MCP23017_ADDR, mcpRegsInt, 3, HIGH);
 
     // Pull TPS65186 PWR pin to High
-    display.digitalWriteMCP(4, HIGH);
+    display.digitalWriteInternal(MCP23017_ADDR, mcpRegsInt, 4, HIGH);
     delay(10);
 
     // Send to TPS65186 first 8 bits of VCOM
@@ -470,30 +474,35 @@ void writeVCOMToEEPROM(double v)
     do
     {
         delay(1);
-    } while (display.digitalReadMCP(6));
+    } while (display.digitalReadInternal(MCP23017_ADDR, mcpRegsInt, 6));
 
     // Clear Interrupt flag by reading INT1 register
     readReg(0x07);
 
     // Now, power off whole TPS
     // Pull TPS65186 WAKEUP pin to Low
-    display.digitalWriteMCP(3, LOW);
+    display.digitalWriteInternal(MCP23017_ADDR, mcpRegsInt, 3, LOW);
 
     // Pull TPS65186 PWR pin to Low
-    display.digitalWriteMCP(4, LOW);
+    display.digitalWriteInternal(MCP23017_ADDR, mcpRegsInt, 4, LOW);
 
     // Wait a little bit...
     delay(1000);
 
     // Power up TPS again
-    display.digitalWriteMCP(3, HIGH);
+    display.digitalWriteInternal(MCP23017_ADDR, mcpRegsInt, 3, HIGH);
 
     delay(10);
 
     // Read VCOM valuse from registers
     vcomL = readReg(0x03);
     vcomH = readReg(0x04);
 
+    Serial.print("Vcom: ");
+    Serial.println(vcom);
+    Serial.print("Vcom register: ");
+    Serial.println((vcomL | (vcomH << 8)));
+
     if (vcom != (vcomL | (vcomH << 8)))
     {
         Serial.println("\nVCOM EEPROM PROGRAMMING FAILED!\n");