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
Revision 0:8d515d89ad8c, committed 2011-05-24
- Comitter:
- jf1vrr
- Date:
- Tue May 24 14:29:16 2011 +0000
- Commit message:
- Rev. 0.01A new
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PS2.lib Tue May 24 14:29:16 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/shintamainjp/code/PS2/#a57bbbec16b1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Tue May 24 14:29:16 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/TextLCD/#a53b3e2d6f1e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue May 24 14:29:16 2011 +0000 @@ -0,0 +1,214 @@ +#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() \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue May 24 14:29:16 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912