masa miya
PS2 Keyboard Handling program Both Ctrl and Alt key are do not handling yet. This program performs the original handling using my keyboard. PS2 clk -> p12 PS2 data -> p11 I thank Shinichiro Nakamura who offered PS2 library.
Dependencies: TextLCD mbed PS2
main.cpp
- Committer:
- jf1vrr
- Date:
- 2011-05-24
- Revision:
- 0:8d515d89ad8c
File content as of revision 0:8d515d89ad8c:
#include "mbed.h"
#include "TextLCD.h"
#include "PS2Keyboard.h"
TextLCD lcd(p24, p26, p27, p28, p29, p30);
PS2Keyboard ps2kb(p12, p11);
PS2Keyboard::keyboard_event_t evt_kb;
int shift, ctrl, alt, numlock = 0, capslock = 0;
char kb_getc() {
char ascii;
ascii = 0;
while(ascii == 0) {
if (ps2kb.processing(&evt_kb)) {
lcd.locate(0, 1);
for (int i = 0; i < evt_kb.length; i++) {
lcd.printf("%02X", evt_kb.scancode[i]);
}
for (int i = 0; i < 16 - evt_kb.length * 2; i++) {
lcd.printf("-");
}
if ( evt_kb.length == 1) {
switch (evt_kb.scancode[0]) {
//Keyboard mode key -Make-
case (0x12) : shift = 1; lcd.locate(11,0); lcd.putc('S'); break;
case (0x59) : shift = 1; lcd.locate(11,0); lcd.putc('S'); break;
case (0x14) : ctrl = 1; lcd.locate(12,0); lcd.putc('C'); break;
case (0x11) : alt = 1; lcd.locate(13,0); lcd.putc('A'); break;
case (0x77) : numlock = (numlock) == 0 ? 1 : 0;
if (numlock == 1) {lcd.locate(14,0); lcd.putc('N');}
else {lcd.locate(14,0); lcd.putc(' ');} break;
case (0x58) : capslock = (shift) == 1 ? !capslock : capslock;
if (capslock == 1) lcd.locate(15,0), lcd.putc('L');
else lcd.locate(15,0), lcd.putc(' '); break;
//Character keys(ASCII) -Make-
case (0x29) : ascii = ' '; break; //space
case (0x0D) : ascii = 0x09; break; //tab
case (0x66) : ascii = 0x08; break; //BS
case (0x5A) : ascii = 0x0D; break; //ENTER
case (0x76) : ascii = 0x1B; break; //ESC
case (0x1C) : ascii = (shift + capslock) == 1 ? 'A' : 'a'; break;
case (0x32) : ascii = (shift + capslock) == 1 ? 'B' : 'b'; break;
case (0x21) : ascii = (shift + capslock) == 1 ? 'C' : 'c'; break;
case (0x23) : ascii = (shift + capslock) == 1 ? 'D' : 'd'; break;
case (0x24) : ascii = (shift + capslock) == 1 ? 'E' : 'e'; break;
case (0x2B) : ascii = (shift + capslock) == 1 ? 'F' : 'f'; break;
case (0x34) : ascii = (shift + capslock) == 1 ? 'G' : 'g'; break;
case (0x33) : ascii = (shift + capslock) == 1 ? 'H' : 'h'; break;
case (0x43) : ascii = (shift + capslock) == 1 ? 'I' : 'i'; break;
case (0x3B) : ascii = (shift + capslock) == 1 ? 'J' : 'j'; break;
case (0x42) : ascii = (shift + capslock) == 1 ? 'K' : 'k'; break;
case (0x4B) : ascii = (shift + capslock) == 1 ? 'L' : 'l'; break;
case (0x3A) : ascii = (shift + capslock) == 1 ? 'M' : 'm'; break;
case (0x31) : ascii = (shift + capslock) == 1 ? 'N' : 'n'; break;
case (0x44) : ascii = (shift + capslock) == 1 ? 'O' : 'o'; break;
case (0x4D) : ascii = (shift + capslock) == 1 ? 'P' : 'p'; break;
case (0x15) : ascii = (shift + capslock) == 1 ? 'Q' : 'q'; break;
case (0x2D) : ascii = (shift + capslock) == 1 ? 'R' : 'r'; break;
case (0x1B) : ascii = (shift + capslock) == 1 ? 'S' : 's'; break;
case (0x2C) : ascii = (shift + capslock) == 1 ? 'T' : 't'; break;
case (0x3C) : ascii = (shift + capslock) == 1 ? 'U' : 'u'; break;
case (0x2A) : ascii = (shift + capslock) == 1 ? 'V' : 'v'; break;
case (0x1D) : ascii = (shift + capslock) == 1 ? 'W' : 'w'; break;
case (0x22) : ascii = (shift + capslock) == 1 ? 'X' : 'x'; break;
case (0x35) : ascii = (shift + capslock) == 1 ? 'Y' : 'y'; break;
case (0x1A) : ascii = (shift + capslock) == 1 ? 'Z' : 'z'; break;
case (0x45) : ascii = shift == 1 ? '0' : '0'; break;
case (0x16) : ascii = shift == 1 ? '!' : '1'; break;
case (0x1E) : ascii = shift == 1 ? '"' : '2'; break;
case (0x26) : ascii = shift == 1 ? '#' : '3'; break;
case (0x25) : ascii = shift == 1 ? '$' : '4'; break;
case (0x2E) : ascii = shift == 1 ? '%' : '5'; break;
case (0x36) : ascii = shift == 1 ? '&' : '6'; break;
case (0x3D) : ascii = shift == 1 ? '\'' : '7'; break;
case (0x3E) : ascii = shift == 1 ? '(' : '8'; break;
case (0x46) : ascii = shift == 1 ? ')' : '9'; break;
case (0x4E) : ascii = shift == 1 ? '=' : '-'; break;
case (0x7B) : ascii = shift == 1 ? '-' : '-'; break;
case (0x4A) : ascii = shift == 1 ? '?' : '/'; break;
case (0x41) : ascii = shift == 1 ? '<' : ','; break;
case (0x49) : ascii = shift == 1 ? '>' : '.'; break;
case (0x6A) : ascii = shift == 1 ? '|' : '\\'; break;
case (0x5B) : ascii = shift == 1 ? '{' : '['; break;
case (0x5D) : ascii = shift == 1 ? '}' : ']'; break;
case (0x4C) : ascii = shift == 1 ? '+' : ';'; break;
case (0x79) : ascii = shift == 1 ? '+' : '+'; break;
case (0x51) : ascii = shift == 1 ? '_' : '\\'; break;
case (0x54) : ascii = shift == 1 ? '`' : '@'; break;
case (0x55) : ascii = shift == 1 ? '~' : '^'; break;
case (0x7C) : ascii = shift == 1 ? '*' : '*'; break;
case (0x52) : ascii = shift == 1 ? '*' : ':'; break;
//Function keys -Make-
case (0x05) : ascii = 0x05; break; //F1
case (0x06) : ascii = 0x06; break; //F2
case (0x04) : ascii = 0x04; break; //F3
case (0x0C) : ascii = 0x12; break; //F4
case (0x03) : ascii = 0x03; break; //F5
case (0x0B) : ascii = 0x11; break; //F6
case (0x83) : ascii = 0x13; break; //F7
case (0x0A) : ascii = 0x10; break; //F8
case (0x01) : ascii = 0x01; break; //F9
case (0x09) : ascii = 0x02; break; //F10
case (0x78) : ascii = 0x14; break; //F11
case (0x07) : ascii = 0x07; break; //F12
//Tenkeys -Make-
case (0x75) : ascii = numlock == 1 ? '8' : 0x15; break; //UP
case (0x72) : ascii = numlock == 1 ? '2' : 0x16; break; //DOWN
case (0x6B) : ascii = numlock == 1 ? '4' : 0x17; break; //LEFT
case (0x74) : ascii = numlock == 1 ? '6' : 0x18; break; //RIGHT
case (0x6C) : ascii = numlock == 1 ? '7' : 0x1C; break; //HOME
case (0x69) : ascii = numlock == 1 ? '1' : 0x1D; break; //END
case (0x70) : ascii = numlock == 1 ? '0' : 0x1E; break; //INS
case (0x7D) : ascii = numlock == 1 ? '9' : 0x19; break; //PAGE UP
case (0x7A) : ascii = numlock == 1 ? '3' : 0x1A; break; //PAGE DOWN
case (0x71) : ascii = numlock == 1 ? '.' : 0x7F; break; //DEL
case (0x73) : ascii = numlock == 1 ? '5' : '5'; break;
}
} else {
//Keyboard mode key -Break- F0xx
if ( evt_kb.length == 2 && evt_kb.scancode[0] == 0xF0) {
switch (evt_kb.scancode[1]) {
case (0x12) : shift = 0; lcd.locate(11,0); lcd.putc(' '); break;
case (0x59) : shift = 0; lcd.locate(11,0); lcd.putc(' '); break;
case (0x14) : ctrl = 0; lcd.locate(12,0); lcd.putc(' '); break;
case (0x11) : alt = 0; lcd.locate(13,0); lcd.putc(' '); break;
}
} else {
//Keyboard right mode keys, Arrow, Del -Make- E0xx
if ( evt_kb.length == 2 && evt_kb.scancode[0] == 0xE0) {
switch (evt_kb.scancode[1]) {
case (0x14) : ctrl = 0; lcd.locate(12,0); lcd.putc(' '); break;
case (0x11) : alt = 0; lcd.locate(13,0); lcd.putc(' '); break;
case (0x4A) : ascii = '/'; break;
case (0x75) : ascii = 0x15; break; //UP
case (0x72) : ascii = 0x16; break; //DOWN
case (0x6B) : ascii = 0x17; break; //LEFT
case (0x74) : ascii = 0x18; break; //RIGHT
case (0x70) : ascii = 0x1E; break; //INSERT
case (0x71) : ascii = 0x7F; break; //DEL
case (0x5A) : ascii = 0x0D; break; //ENTER
}
} else {
//Keyboard right mode keys -Break- E0F0xx
if ( evt_kb.length == 3 && evt_kb.scancode[0] == 0xE0 && evt_kb.scancode[1] == 0xF0) {
switch (evt_kb.scancode[2]) {
case (0x14) : ctrl = 0; lcd.locate(12,0); lcd.putc(' '); break;
case (0x11) : alt = 0; lcd.locate(13,0); lcd.putc(' '); break;
}
}
}
}
}
}
} //while(ascii == 0)
return ascii;
} //kb_getc()
int main() {
char chr;
lcd.locate(0, 0);
lcd.printf("PS/2 Keyboard");
wait(2.0);
lcd.cls();
while (1) {
chr = kb_getc();
lcd.locate(0, 1); //Scan code
for (int i = 0; i < evt_kb.length; i++) {
lcd.printf("%02X", evt_kb.scancode[i]);
}
for (int i = 0; i < 16 - evt_kb.length * 2; i++) {
lcd.printf("-");
}
lcd.locate(0,0);
lcd.printf(" ");
lcd.locate(0,0); //Character name or key name
if (chr != 0) {
switch (chr) {
case (0x01) : lcd.printf("F9"); break;
case (0x02) : lcd.printf("F10"); break;
case (0x03) : lcd.printf("F5"); break;
case (0x04) : lcd.printf("F3"); break;
case (0x05) : lcd.printf("F1"); break;
case (0x06) : lcd.printf("F2"); break;
case (0x07) : lcd.printf("F12"); break;
case (0x08) : lcd.printf("BS"); break;
case (0x09) : lcd.printf("TAB"); break;
case (0x0D) : lcd.printf("ENTER"); break;
case (0x10) : lcd.printf("F8"); break;
case (0x11) : lcd.printf("F6"); break;
case (0x12) : lcd.printf("F4"); break;
case (0x13) : lcd.printf("F7"); break;
case (0x14) : lcd.printf("F11"); break;
case (0x15) : lcd.printf("UP ARROW"); break;
case (0x16) : lcd.printf("DOWN ARROW"); break;
case (0x17) : lcd.printf("LEFT ARROW"); break;
case (0x18) : lcd.printf("RIGHT ARROW"); break;
case (0x19) : lcd.printf("PAGE UP"); break;
case (0x1A) : lcd.printf("PAGE DOWN"); break;
case (0x1B) : lcd.printf("ESC"); break;
case (0x1C) : lcd.printf("HOME"); break;
case (0x1D) : lcd.printf("END"); break;
case (0x1E) : lcd.printf("INS"); break;
case (0x7F) : lcd.printf("DEL"); break;
default: lcd.printf("ASCII %c", chr); break; // ASCII character
}
}
} //while(1)
} //main()