mirror of
https://github.com/smartykit/apple1.git
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111 lines
2.7 KiB
C++
111 lines
2.7 KiB
C++
/* SmartyKit Apple I replica - keyboard driver
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* http://apple1.smartykit.org/
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* Copyright (C) 2019, Sergey Panarin <contact@smartykit.org>
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*
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "PS2Keyboard.h"
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const int DataPin = 3;
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const int IRQpin = 2;
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const int pinKBDCR = 12; //
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int DataBus[8] = {4, 5, 6, 7, 8, 9, 10, 11};
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PS2Keyboard keyboard;
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void setup()
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{
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for (int count = 1; count <= 8; count++) {
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pinMode(DataBus[count-1], OUTPUT);
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};
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pinMode(pinKBDCR, OUTPUT);
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KBDCR_Disable();
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delay(1000);
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keyboard.begin(DataPin, IRQpin);
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Serial.begin(9600);
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Serial.println("Keyboard:");
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}
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void KBDCR_Enable()
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{
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digitalWrite(pinKBDCR, HIGH);
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}
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void KBDCR_Disable()
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{
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digitalWrite(pinKBDCR, LOW);
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}
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void loop() {
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KBDCR_Disable();
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if (keyboard.available()) {
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// read the next key
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char c = keyboard.read();
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/*
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// check for some of the special keys
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if (c == PS2_ENTER) {
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Serial.println();
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} else if (c == PS2_TAB) {
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Serial.print("[Tab]");
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} else if (c == PS2_ESC) {
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Serial.print("[ESC]");
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} else if (c == PS2_PAGEDOWN) {
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Serial.print("[PgDn]");
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} else if (c == PS2_PAGEUP) {
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Serial.print("[PgUp]");
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} else if (c == PS2_LEFTARROW) {
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Serial.print("[Left]");
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} else if (c == PS2_RIGHTARROW) {
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Serial.print("[Right]");
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} else if (c == PS2_UPARROW) {
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Serial.print("[Up]");
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} else if (c == PS2_DOWNARROW) {
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Serial.print("[Down]");
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} else if (c == PS2_DELETE) {
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Serial.print("[Del]");
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} else {
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// otherwise, just print all normal characters
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Serial.print(c);
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}
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*/
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//process Backspace, Left Arrow, Delete as Apple I backspace '_'
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if (c == PS2_BACKSPACE) {
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c = '_';
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} else if (c == PS2_LEFTARROW) {
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c = '_';
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} else if (c == PS2_DELETE) {
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c = '_';
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}
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//print c to register
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for (int count = 1; count <= 8 ; count++)
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{
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if ((int)c & (1 << (count-1)))
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digitalWrite(DataBus[count-1], HIGH);
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else
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digitalWrite(DataBus[count-1], LOW);
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}
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digitalWrite(DataBus[7], HIGH);
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KBDCR_Enable();
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delay(4);
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}
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}
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