main.cpp

00001 #include "MapleMini.h"
00002 #include "mbed.h"
00003 #include "USBKeyboard.h"
00004 
00005 #define POS_MIN 20000
00006 #define POS_MAX 50000
00007 
00008 DigitalOut      led(PB_1);                  // LED
00009 DigitalOut      usbEn(PB_9);                // Used for connecting/disconnecting the 1k5 resistor to/from the USB DP pin
00010 AnalogIn        vRx(PB_0);                  // Joystick Rx pin
00011 AnalogIn        vRy(PA_7);                  // Joystick Ry pin
00012 DigitalIn       btnCtrl(PB_12, PullDown);   // Ctrl key
00013 DigitalIn       btnShift(PB_14 , PullDown); // Shift key
00014 DigitalIn       btnUp(PA_10, PullDown);     // PageUp key (Z-up)
00015 DigitalIn       btnDown(PA_1, PullDown);    // PageDown key (Z-down)
00016 uint8_t         modifier = 0;
00017 USBKeyboard*    keyboard;
00018 
00019 /**
00020  * @brief
00021  * @note
00022  * @param
00023  * @retval
00024  */
00025 int main()
00026 {
00027     confSysClock(); //Configure system clock (72MHz HSE clock, 48MHz USB clock)
00028     led = 1;
00029     keyboard = new USBKeyboard();
00030     usbEn = 0;      //Keep the on-board 1k5 resistor connected to USB DP pin
00031     while (1) {
00032         if (btnShift == 1) {
00033             modifier = KEY_SHIFT;
00034         }
00035         else
00036         if (btnCtrl == 1) {
00037             modifier = KEY_CTRL;
00038         }
00039         else {
00040             modifier = 0;
00041         }
00042 
00043         if (vRy.read_u16() < POS_MIN) {
00044             keyboard->keyCode(LEFT_ARROW, modifier, false);
00045         }
00046         else
00047         if (vRy.read_u16() > POS_MAX) {
00048             keyboard->keyCode(RIGHT_ARROW, modifier, false);
00049         }
00050         else
00051         if (vRx.read_u16() < POS_MIN) {
00052             keyboard->keyCode(DOWN_ARROW, modifier, false);
00053         }
00054         else
00055         if (vRx.read_u16() > POS_MAX) {
00056             keyboard->keyCode(UP_ARROW, modifier, false);
00057         }
00058         else
00059         if (btnUp == 1) {
00060             keyboard->keyCode(KEY_PAGE_UP, modifier, false);
00061         }
00062         else
00063         if (btnDown == 1) {
00064             keyboard->keyCode(KEY_PAGE_DOWN, modifier, false);
00065         }
00066         else {
00067             keyboard->keyCode(0, 0);    // Release the key(s)
00068         }
00069     }
00070 }