Shinichiro Nakamura / Mbed 2 deprecated PS2_TestProgram

A test program for PS2 library.

Dependencies:   mbed

mylib/PS2/PS2Keyboard.cpp@4:47b51250a168, 2010-10-13 (annotated)

Committer:
shintamainjp
Date:
Wed Oct 13 10:50:55 2010 +0000
Revision:
4:47b51250a168
First version.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shintamainjp 4:47b51250a168 1 /**
shintamainjp 4:47b51250a168 2 * PS/2 keyboard interface control class (Version 0.0.1)
shintamainjp 4:47b51250a168 3 *
shintamainjp 4:47b51250a168 4 * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
shintamainjp 4:47b51250a168 5 * http://shinta.main.jp/
shintamainjp 4:47b51250a168 6 */
shintamainjp 4:47b51250a168 7 #include "PS2Keyboard.h"
shintamainjp 4:47b51250a168 8
shintamainjp 4:47b51250a168 9 PS2Keyboard::PS2Keyboard(PinName clk_pin, PinName dat_pin)
shintamainjp 4:47b51250a168 10 : ps2kb_init(clk_pin, dat_pin), ps2kb(clk_pin, dat_pin) {
shintamainjp 4:47b51250a168 11 }
shintamainjp 4:47b51250a168 12
shintamainjp 4:47b51250a168 13 PS2Keyboard::~PS2Keyboard() {
shintamainjp 4:47b51250a168 14 }
shintamainjp 4:47b51250a168 15
shintamainjp 4:47b51250a168 16 bool PS2Keyboard::processing(keyboard_event_t *p) {
shintamainjp 4:47b51250a168 17 bool emit = false;
shintamainjp 4:47b51250a168 18 const int c = ps2kb.getc();
shintamainjp 4:47b51250a168 19 if (0 <= c) {
shintamainjp 4:47b51250a168 20 scancode[count++] = c;
shintamainjp 4:47b51250a168 21 switch (count) {
shintamainjp 4:47b51250a168 22 case 1:
shintamainjp 4:47b51250a168 23 if ((scancode[0] != 0xE0)
shintamainjp 4:47b51250a168 24 && (scancode[0] != 0xE1)
shintamainjp 4:47b51250a168 25 && (scancode[0] != 0xF0)) {
shintamainjp 4:47b51250a168 26 p->type = KeyMake;
shintamainjp 4:47b51250a168 27 p->length = count;
shintamainjp 4:47b51250a168 28 memcpy(p->scancode, scancode, sizeof(p->scancode));
shintamainjp 4:47b51250a168 29 emit = true;
shintamainjp 4:47b51250a168 30 count = 0;
shintamainjp 4:47b51250a168 31 }
shintamainjp 4:47b51250a168 32 break;
shintamainjp 4:47b51250a168 33 case 2:
shintamainjp 4:47b51250a168 34 if (scancode[0] == 0xF0) {
shintamainjp 4:47b51250a168 35 p->type = KeyBreak;
shintamainjp 4:47b51250a168 36 p->length = count;
shintamainjp 4:47b51250a168 37 memcpy(p->scancode, scancode, sizeof(p->scancode));
shintamainjp 4:47b51250a168 38 emit = true;
shintamainjp 4:47b51250a168 39 count = 0;
shintamainjp 4:47b51250a168 40 }
shintamainjp 4:47b51250a168 41 if ((scancode[0] == 0xE0)
shintamainjp 4:47b51250a168 42 && (scancode[1] != 0xF0)
shintamainjp 4:47b51250a168 43 && (scancode[1] != 0x12)) {
shintamainjp 4:47b51250a168 44 p->type = KeyMake;
shintamainjp 4:47b51250a168 45 p->length = count;
shintamainjp 4:47b51250a168 46 memcpy(p->scancode, scancode, sizeof(p->scancode));
shintamainjp 4:47b51250a168 47 emit = true;
shintamainjp 4:47b51250a168 48 count = 0;
shintamainjp 4:47b51250a168 49 }
shintamainjp 4:47b51250a168 50 break;
shintamainjp 4:47b51250a168 51 case 3:
shintamainjp 4:47b51250a168 52 if ((scancode[0] == 0xE0)
shintamainjp 4:47b51250a168 53 && (scancode[1] == 0xF0)
shintamainjp 4:47b51250a168 54 && (scancode[2] != 0x7C)) {
shintamainjp 4:47b51250a168 55 p->type = KeyBreak;
shintamainjp 4:47b51250a168 56 p->length = count;
shintamainjp 4:47b51250a168 57 memcpy(p->scancode, scancode, sizeof(p->scancode));
shintamainjp 4:47b51250a168 58 emit = true;
shintamainjp 4:47b51250a168 59 count = 0;
shintamainjp 4:47b51250a168 60 }
shintamainjp 4:47b51250a168 61 break;
shintamainjp 4:47b51250a168 62 case 4:
shintamainjp 4:47b51250a168 63 if ((scancode[0] == 0xE0)
shintamainjp 4:47b51250a168 64 && (scancode[1] == 0x12)
shintamainjp 4:47b51250a168 65 && (scancode[2] == 0xE0)
shintamainjp 4:47b51250a168 66 && (scancode[3] == 0x7C)) {
shintamainjp 4:47b51250a168 67 p->type = KeyMake;
shintamainjp 4:47b51250a168 68 p->length = count;
shintamainjp 4:47b51250a168 69 memcpy(p->scancode, scancode, sizeof(p->scancode));
shintamainjp 4:47b51250a168 70 emit = true;
shintamainjp 4:47b51250a168 71 count = 0;
shintamainjp 4:47b51250a168 72 }
shintamainjp 4:47b51250a168 73 break;
shintamainjp 4:47b51250a168 74 case 5:
shintamainjp 4:47b51250a168 75 // Do nothing.
shintamainjp 4:47b51250a168 76 break;
shintamainjp 4:47b51250a168 77 case 6:
shintamainjp 4:47b51250a168 78 if ((scancode[0] == 0xE0)
shintamainjp 4:47b51250a168 79 && (scancode[1] == 0xF0)
shintamainjp 4:47b51250a168 80 && (scancode[2] == 0x7C)
shintamainjp 4:47b51250a168 81 && (scancode[3] == 0xE0)
shintamainjp 4:47b51250a168 82 && (scancode[4] == 0xF0)
shintamainjp 4:47b51250a168 83 && (scancode[5] == 0x12)) {
shintamainjp 4:47b51250a168 84 p->type = KeyBreak;
shintamainjp 4:47b51250a168 85 p->length = count;
shintamainjp 4:47b51250a168 86 memcpy(p->scancode, scancode, sizeof(p->scancode));
shintamainjp 4:47b51250a168 87 emit = true;
shintamainjp 4:47b51250a168 88 count = 0;
shintamainjp 4:47b51250a168 89 }
shintamainjp 4:47b51250a168 90 break;
shintamainjp 4:47b51250a168 91 case 7:
shintamainjp 4:47b51250a168 92 // Do nothing.
shintamainjp 4:47b51250a168 93 break;
shintamainjp 4:47b51250a168 94 case 8:
shintamainjp 4:47b51250a168 95 if ((scancode[0] == 0xE1)
shintamainjp 4:47b51250a168 96 && (scancode[1] == 0x14)
shintamainjp 4:47b51250a168 97 && (scancode[2] == 0x77)
shintamainjp 4:47b51250a168 98 && (scancode[3] == 0xE1)
shintamainjp 4:47b51250a168 99 && (scancode[4] == 0xF0)
shintamainjp 4:47b51250a168 100 && (scancode[5] == 0x14)
shintamainjp 4:47b51250a168 101 && (scancode[6] == 0xF0)
shintamainjp 4:47b51250a168 102 && (scancode[7] == 0x77)) {
shintamainjp 4:47b51250a168 103 p->type = KeyMake;
shintamainjp 4:47b51250a168 104 p->length = count;
shintamainjp 4:47b51250a168 105 memcpy(p->scancode, scancode, sizeof(p->scancode));
shintamainjp 4:47b51250a168 106 emit = true;
shintamainjp 4:47b51250a168 107 count = 0;
shintamainjp 4:47b51250a168 108 }
shintamainjp 4:47b51250a168 109 break;
shintamainjp 4:47b51250a168 110 default:
shintamainjp 4:47b51250a168 111 count = 0;
shintamainjp 4:47b51250a168 112 break;
shintamainjp 4:47b51250a168 113 }
shintamainjp 4:47b51250a168 114 count = count % sizeof(scancode);
shintamainjp 4:47b51250a168 115 }
shintamainjp 4:47b51250a168 116 return emit;
shintamainjp 4:47b51250a168 117 }