Код:
#include <PS2KeyRaw.h>
#define AX0 4
#define AX1 5
#define AX2 6
#define AX3 7
#define AY0 8
#define AY1 9
#define AY2 10
#define RSTMT 14
#define CSMT 15
#define DATMT 16
#define STBMT 17
#define DATAPIN 2
#define IRQPIN 3
volatile boolean d = HIGH;
uint8_t table[128] = {127,101,127,8,5,3,4,11,127,100,117,127,7,17,118,127,127,65,64,127,33,18,19,127,127,127,50,51,34,35,20,49,127,68,67,52,36,6,21,74,127,70,69,53,22,37,23,127,127,71,54,55,38,39,24,127,127,127,72,56,40,9,10,127,127,57,41,25,26,121,122,127,127,58,88,42,90,106,120,127,127,127,89,127,119,16,127,127,66,64,102,119,127,89,127,127,127,127,127,127,127,127,73,127,127,82,127,83,80,127,127,127,81,97,98,99,115,96,1,127,116,127,114,16,84,112,127,127};
PS2KeyRaw keyboard;
void setup() {
//Инициализация портов
pinMode(19, OUTPUT);
pinMode(AX0, OUTPUT); //AX0
pinMode(AX1, OUTPUT); //AX1
pinMode(AX2, OUTPUT); //AX2
pinMode(AX3, OUTPUT); //AX3
pinMode(AY0, OUTPUT); //AY0
pinMode(AY1, OUTPUT); //AY1
pinMode(AY2, OUTPUT); //AY2
pinMode(RSTMT, OUTPUT); //RES
pinMode(CSMT, OUTPUT); //CS
pinMode(DATMT, OUTPUT); //DAT
pinMode(STBMT, OUTPUT); //STB
//Инициализация клавиатуры
keyboard.begin( DATAPIN, IRQPIN );
//Инициализация MT8816
SetAddr(0);
digitalWrite(RSTMT, LOW);
digitalWrite(CSMT, LOW);
digitalWrite(DATMT, LOW);
digitalWrite(STBMT, LOW); //инициализация
digitalWrite(CSMT, HIGH); //выбор чипа
digitalWrite(RSTMT, HIGH);
digitalWrite(RSTMT, LOW); //сброс
digitalWrite(CSMT, LOW);
}
void SetAddr(uint8_t addr) {
digitalWrite(AX0,bitRead(addr,0));
digitalWrite(AX1,bitRead(addr,1));
digitalWrite(AX2,bitRead(addr,2));
digitalWrite(AX3,bitRead(addr,3));
digitalWrite(AY0,bitRead(addr,4));
digitalWrite(AY1,bitRead(addr,5));
digitalWrite(AY2,bitRead(addr,6));
}
void SetKey(boolean data){
digitalWrite(CSMT, HIGH); //выбор чипа
digitalWrite(STBMT, HIGH); //строб on
digitalWrite(DATMT, data); //данные
digitalWrite(STBMT, LOW); //строб off
digitalWrite(CSMT, LOW);
}
void loop()
{
if( keyboard.available() ){
int c = keyboard.read(); //чтение кода
switch (c) {
case 0xE0: //если считался префикс 0xE0
break;
case 0xF0: //если считался префикс 0xF0 (отпускание клавиши)
d = LOW;
break;
default:
SetAddr(table[c]);
SetKey(d);
d = HIGH;
}
}
}