WIP PS/2 keyboard driver

prototiping-with-arduino/pal_adapter/pal_adapter.ino

@@ -1,67 +0,0 @@
-#include <TVout.h>
-#include <TVoutfonts/fontALL.h>
-TVout TV;
-
-// Pins
-#define RS 5
-#define EN 4
-const byte DATA [] = {A5, A4, A3, A2, 13, 12, 11, 10};
-
-
-bool clkState = false;
-
-void setup() {
-  Serial.begin(57600);
-  Serial.println("PAL debugger");
-  
-  // Init comm pins
-  pinMode(EN, INPUT);
-  pinMode(RS, INPUT);
-  for(int pin = 0; pin < 8; pin++) {
-    pinMode(DATA[pin], INPUT);
-  }
-
-  // Init VGA
-  TV.begin(PAL,120,96);
-  TV.select_font(font4x6);
-
-  TV.println("TV init");
-}
-
-void loop() {
-  bool newClkState = digitalRead(EN);
-  if (newClkState == false && clkState == true) {
-    // Falling edge: read data from bus
-    onClk();
-  }
-  clkState = newClkState;
-}
-
-void onClk() {
-  bool isCommand = digitalRead(RS);
-  if (isCommand) {
-    //onCommandReceived();
-    onDataReceived();
-  } else {
-    onDataReceived();
-  }
-}
-
-void onCommandReceived() {
-  
-}
-
-void onDataReceived() {
-  char ch = readByte();
-  TV.print(ch);
-  Serial.println(ch);
-}
-
-byte readByte() {
-  unsigned int data = 0;
-  for(int pin=0; pin < 8; pin++) {
-    byte b = digitalRead(DATA[pin]) ? 1 : 0;
-    data = (data << 1) + b;   // Shifta di 1 e aggiunge il bit corrente. Serve per ricostruire il numero da binario
-  }
-  return data;
-}