IDD Fall 2015
/
idd_hw2_gtfierro_keypad
Code for proj2
Fork of hw2 by
main.cpp
- Committer:
- gtfierro
- Date:
- 2015-09-09
- Revision:
- 1:33d22b2c88ad
- Parent:
- 0:9b39c62126ea
- Child:
- 3:636bf7891502
File content as of revision 1:33d22b2c88ad:
#include "mbed.h" #include "PinDetect.h" #include "USBKeyboard.h" #include <string> Serial pc(USBTX, USBRX); PinDetect b1( D13 , PullUp); PinDetect b2( D12 , PullUp); PinDetect b3( D11 , PullUp); PinDetect b4( D10 , PullUp); PinDetect b5( D9 , PullUp); PinDetect b6( D8 , PullUp); PinDetect b7( D7 , PullUp); PinDetect b8( D6 , PullUp); PinDetect b9( D5 , PullUp); PinDetect shift( D4 , PullUp); DigitalOut green(LED_GREEN); DigitalOut red(LED_RED); DigitalOut blue(LED_BLUE); int pressed[2]; // 1 2 3 4 5 6 7 8 9 const char* button1[9] = {"a", "", "","v", "", "", "", "", ""}; const char* button2[9] = { "","n", "", "","l", "", "", "", ""}; const char* button3[9] = { "", "","i", "", "","x", "", "", ""}; const char* button4[9] = {"q", "", "","h","k", "","g", "", ""}; const char* button5[9] = { "","u", "","c","o","b", "","d", ""}; const char* button6[9] = { "", "","p", "","m","r", "", "","j"}; const char* button7[9] = { "", "", "","y", "", "","t", "", ""}; const char* button8[9] = { "", "", "", "","w", "","\b","e"," "}; const char* button9[9] = { "", "", "", "", "","f", "","z","s"}; bool upper = false; #define OFF 1 #define ON 0 void initializePressed() { pressed[0] = 0; pressed[1] = 0; } void deliverButton() { const char* x; switch (pressed[0]) { case 1: x = button1[pressed[1]-1]; break; case 2: x = button2[pressed[1]-1]; break; case 3: x = button3[pressed[1]-1]; break; case 4: x = button4[pressed[1]-1]; break; case 5: x = button5[pressed[1]-1]; break; case 6: x = button6[pressed[1]-1]; break; case 7: x = button7[pressed[1]-1]; break; case 8: x = button8[pressed[1]-1]; break; case 9: x = button9[pressed[1]-1]; break; default: printf("pressed[0] was not 1\n"); return; } if (upper) { pc.putc(::toupper(x[0])); } else { pc.putc(x[0]); } } void fillButton(int button) { if (pressed[0] != 0 && pressed[1] == 0) { pressed[1] = button; deliverButton(); initializePressed(); } else if (pressed[0] == 0) { pressed[0] = button; } else { printf("WHAT\n"); } } void b1Pressed(void) { fillButton(1); } void b2Pressed(void) { fillButton(2); } void b3Pressed(void) { fillButton(3); } void b4Pressed(void) { fillButton(4); } void b5Pressed(void) { fillButton(5); } void b6Pressed(void) { fillButton(6); } void b7Pressed(void) { fillButton(7); } void b8Pressed(void) { fillButton(8); } void b9Pressed(void) { fillButton(9); } void shiftOn(void) { upper = true; } void shiftOff(void) { upper = false; } int main() { // turn off LED green = OFF; red = OFF; blue = OFF; initializePressed(); b1.attach_asserted(&b1Pressed); b1.setAssertValue(0); b1.setSampleFrequency(); b2.attach_asserted(&b2Pressed); b2.setAssertValue(0); b2.setSampleFrequency(); b3.attach_asserted(&b3Pressed); b3.setAssertValue(0); b3.setSampleFrequency(); b4.attach_asserted(&b4Pressed); b4.setAssertValue(0); b4.setSampleFrequency(); b5.attach_asserted(&b5Pressed); b5.setAssertValue(0); b5.setSampleFrequency(); b6.attach_asserted(&b6Pressed); b6.setAssertValue(0); b6.setSampleFrequency(); b7.attach_asserted(&b7Pressed); b7.setAssertValue(0); b7.setSampleFrequency(); b8.attach_asserted(&b8Pressed); b8.setAssertValue(0); b8.setSampleFrequency(); b9.attach_asserted(&b9Pressed); b9.setAssertValue(0); b9.setSampleFrequency(); shift.attach_asserted(&shiftOn); shift.attach_deasserted(&shiftOff); shift.setSampleFrequency(); while(1) {} }