arduinp driver

2024-07-26 20:06:58 +02:00
parent 556190fdfe
commit 94a399010e
1 changed files with 158 additions and 0 deletions
@@ -0,0 +1,158 @@
+#include <LiquidCrystal.h>
+
+LiquidCrystal lcd(9, 8, 7, 6, 5, 4, 3, 2);
+
+int row = 0;
+int line = 0;
+bool controller = false;
+
+void setup() {
+  Serial.begin(115200);
+  // set up the LCD's number of columns and rows:
+  lcd.begin(40, 4);
+  lcd.clear();
+  lcd.home();
+}
+
+#define LCDSERIALIZER_LCDI 0xFE
+
+byte serial_getch() {
+  int incoming;
+  while (Serial.available() == 0) {
+  }
+  // read the incoming byte:
+  incoming = Serial.read();
+  //Serial.write(incoming);
+
+  return (incoming & 0xff);
+}
+
+void loop() {
+  byte rxbyte = serial_getch(); // Fetch byte
+
+  if (rxbyte == LCDSERIALIZER_LCDI) // If LCD instruction
+  {
+    //Serial.write("[CMD]");
+
+    rxbyte = serial_getch(); // Fetch byte
+
+    if (rxbyte == 0x01)
+    {
+      Serial.println("Clear screen");
+    }
+    else if (rxbyte == 0x0c)
+    {
+      Serial.println("Restore the display (with cursor hidden)");
+    }
+    else if (rxbyte == 0x08)
+    {
+      Serial.println("Blank the display (without clearing)");
+    }
+    else if (rxbyte == 0x0c)
+    {
+      Serial.println("Make cursor invisible");
+    }
+    else if (rxbyte == 0x0f)
+    {
+      Serial.println("Turn on visible blinking-block cursor");
+    }
+    else if (rxbyte == 0x0e)
+    {
+      Serial.println("Turn on visible underline cursor");
+    }
+    else if (rxbyte == 0x10)
+    {
+      Serial.println("Move cursor one character left");
+    }
+    else if (rxbyte == 0x14)
+    {
+      Serial.println("Move cursor one character right");
+    }
+    else if (rxbyte == 0x15)
+    {
+      Serial.println("(15)Move cursor one character right");
+    }
+    else if (rxbyte == 0x02)
+    {
+      Serial.println("Home (move cursor to top/left character position)");
+    }
+    else if (rxbyte == 0x18)
+    {
+      Serial.println("Scroll display one character left (all lines)");
+    }
+    else if (rxbyte == 0x1e)
+    {
+      Serial.println("Scroll display one character right (all lines)");
+    }
+    else if (rxbyte == 0x20)
+    {
+      Serial.println("Function set (4-bit interface, 1 line, 5*7 Pixels)");
+    }
+    else if (rxbyte == 0x28)
+    {
+      Serial.println("Function set (4-bit interface, 2 lines, 5*7 Pixels)");
+    }
+    else if (rxbyte == 0x30)
+    {
+      Serial.println("Function set (8-bit interface, 1 line, 5*7 Pixels)");
+    }
+    else if (rxbyte == 0x38)
+    {
+      Serial.println("Function set (8-bit interface, 2 lines, 5*7 Pixels)");
+    }
+    else if (rxbyte == 0x80)
+    {
+      serial_getch(); // instruction
+      row = serial_getch();
+      serial_getch(); // instruction
+      line = serial_getch();
+
+      lcd.setCursor(line, row);
+
+      Serial.println("Set Cursor to " + String(row) + "," + String(line));
+
+      return;
+    }
+    else if (rxbyte & 0x40)
+    {
+      //Serial.println("Set pointer in character-generator RAM (CG RAM address)");
+      Serial.println();
+
+      lcd.setController(0);
+      lcd.command(rxbyte);
+      lcd.setController(1);
+      lcd.command(rxbyte);
+
+      // get custom char
+      for (int i = 0; i < 8; i++)
+      {
+        rxbyte = serial_getch(); // Fetch byte
+        lcd.setController(0);
+        lcd.write(rxbyte);
+        lcd.setController(1);
+        lcd.write(rxbyte);
+      }
+
+      return;
+    }
+    else
+    {
+      // print byte.
+      String thisString = String(rxbyte, HEX);
+      Serial.println("UNKNOWN " + thisString);
+    }
+
+    //if (rxbyte != 0x80 && !(rxbyte & 0x40))
+    lcd.command(rxbyte);
+  }
+  else
+  {
+    // print byte.
+    //String thisString = String(rxbyte, HEX);
+    //Serial.println(thisString);
+    //Serial.println("position " + String(row) + " " + String(line));
+
+    lcd.write(rxbyte);
+    line++;
+  }
+}