this program is based on the PS/2 keyboard library and the LCD library, the lcd display whatever input is coming from the PS/2 keyboard.
main.cpp
- Committer:
- edwinb
- Date:
- 2011-01-30
- Revision:
- 0:3774ff2f9a59
- Child:
- 1:2178724f96f1
File content as of revision 0:3774ff2f9a59:
/* This is my first project with the mbed. I have just collected libraries together and came up with the mash up below. The keyboard input is received by both the terminal and the LCD connected to the mbed. the PS/2 wiring is as follows ====p22 clock, white=========== ====p21 signal, green========== ====yellow, orange +/- voltage= */ #include "mbed.h" #include "PS2ASCII.h" #include "TextLCD.h" TextLCD lcd(p15, p16, p17, p18, p19, p20); // rs, e, d4-d7 PS2ASCII myKeyboard(p22, p21); DigitalOut mLED(LED1); DigitalOut mLED2(LED2);// not needed for now int i=0; char *buffer; int main() { printf("the program has started"); printf("=========================================\n "); while (1) { unsigned char symbol = myKeyboard.getChar(); if (myKeyboard.E0flag() == true) { //is the make code one or two bytes long? printf(" E0 "); mLED2=1; } else { wait(0.2); printf("%c", symbol); lcd.locate(0,0); lcd.printf("Keyboard: \n"); if (symbol) { i++; buffer = new char[16]; //create a char array to hold 16 char buffer[i]= symbol; //traverse the array one step at a time //lcd.cls(); lcd.locate(i,1); lcd.printf("%c", buffer[i]); //print the char array printf(" \t"); //wait(0.9); if (i==16) { lcd.cls(); i=0; delete [] buffer; x } //anytime a key is pressed one of LEDs light up mLED=1; wait(0.04); mLED=0; } } } }