ArduinoTypeWriter.pde

#include <PS2Keyboard.h>
#include <string.h>
#include <stdio.h>
#define KBD_CLK_PIN 3
#define KBD_DATA_PIN 2
#define d0 4
#define d1 5
#define d2 6
#define d3 7
#define d4 8
#define d5 9
#define d6 10
#define d7 11
#define strobe 12
#define autofd 13
PS2Keyboard keyboard;
int caracter = 0;
byte key=0;
void setup()
{
	keyboard.begin(KBD_DATA_PIN);
	pinMode(d0, OUTPUT);
	pinMode(d1, OUTPUT);
	pinMode(d2, OUTPUT);
	pinMode(d3, OUTPUT);
	pinMode(d4, OUTPUT);
	pinMode(d5, OUTPUT);
	pinMode(d6, OUTPUT);
	pinMode(d7, OUTPUT);
	pinMode(strobe, OUTPUT);
	pinMode(autofd, OUTPUT);
	digitalWrite(autofd,HIGH);
	digitalWrite(strobe,HIGH);
	Serial.begin(9600);
	delay(1000);
}
void transmit(int x)
{
	if (x >= 128) {
		x = x - 128;
		digitalWrite(d7,HIGH);
	} else {
		digitalWrite(d7,LOW);
	}
	if (x >= 64) {
		x = x - 64;
		digitalWrite(d6,HIGH);
	} else {
		digitalWrite(d6,LOW);
	}
	if (x >= 32) {
		x = x - 32;
		digitalWrite(d5,HIGH);
	} else {
		digitalWrite(d5,LOW);
	}
	if (x >= 16) {
		x = x - 16;
		digitalWrite(d4,HIGH);
	} else {
		digitalWrite(d4,LOW);
	}
	if (x >= 8) {
		x = x - 8;
		digitalWrite(d3,HIGH);
	} else {
		digitalWrite(d3,LOW);
	}
	if (x >= 4) {
		x = x - 4;
		digitalWrite(d2,HIGH);
	} else {
		digitalWrite(d2,LOW);
	}
	if (x >= 2) {
		x = x - 2;
		digitalWrite(d1,HIGH);
	} else {
		digitalWrite(d1,LOW);
	}
	if (x >= 1) {
		digitalWrite(d0,HIGH);
	} else {
		digitalWrite(d0,LOW);
	}
	digitalWrite(strobe,LOW);
	delayMicroseconds(2);
	digitalWrite(strobe,HIGH);
}
void loop()
{
	if(keyboard.available()) {
		byte c = keyboard.read();
		Serial.println(c);
		// byte c=Serial.read();
		ascii(c);
		if(c == 13) {
			Serial.println(key);
			transmit(10);
		} else {
			Serial.println(key,HEX);
			transmit(key);
		}
		// Serial.println(c,HEX);
	}
}
void ascii(byte x)
{
	switch(x) {
	case 0x1c: {
		key=0x41;
		break;
	}
	case 0x32: {
		key=0x42;
		break;
	}
	case 0x21: {
		key=0x43;
		break;
	}
	case 0x23: {
		key=0x44;
		break;
	}
	case 0x24: {
		key=0x45;
		break;
	}
	case 0x2B: {
		key=0x46;
		break;
	}
	case 0x34: {
		key=0x47;
		break;
	}
	case 0x33: {
		key=0x48;
		break;
	}
	case 0x43: {
		key=0x49;
		break;
	}
	case 0x3B: {
		key=0x4A;
		break;
	}
	case 0x42: {
		key=0x4B;
		break;
	}
	case 0x4B: {
		key=0x4C;
		break;
	}
	case 0x3A: {
		key=0x4D;
		break;
	}
	case 0x31: {
		key=0x4E;
		break;
	}
	case 0x44: {
		key=0x4F;
		break;
	}
	case 0x4D: {
		key=0x50;
		break;
	}
	case 0x15: {
		key=0x51;
		break;
	}
	case 0x2D: {
		key=0x52;
		break;
	}
	case 0x1B: {
		key=0x53;
		break;
	}
	case 0x2C: {
		key=0x54;
		break;
	}
	case 0x3C: {
		key=0x55;
		break;
	}
	case 0x2A: {
		key=0x56;
		break;
	}
	case 0x1D: {
		key=0x57;
		break;
	}
	case 0x22: {
		key=0x58;
		break;
	}
	case 0x35: {
		key=0x59;
		break;
	}
	case 0x1A: {
		key=0x5A;
		break;
	}
	case 0x0D: {
		key=0x09;
		break;
	}
	case 0x29: {
		key=0x20;
		break;
	}
	default: {
	}
	}
}