Merge pull request #30 from vlee489/master

Updates DigiKeyboard.h to add arrows keys.

Author: Erik Tylek Kettenburg

digistump-avr/libraries/DigisparkKeyboard/DigiKeyboard.h

@@ -23,39 +23,39 @@
 typedef uint8_t byte;
 
 
-#define BUFFER_SIZE 2 // Minimum of 2: 1 for modifiers + 1 for keystroke 
+#define BUFFER_SIZE 2 // Minimum of 2: 1 for modifiers + 1 for keystroke
 
 
-static uchar    idleRate;           // in 4 ms units 
+static uchar    idleRate;           // in 4 ms units
 
 
 /* We use a simplifed keyboard report descriptor which does not support the
  * boot protocol. We don't allow setting status LEDs and but we do allow
- * simultaneous key presses. 
+ * simultaneous key presses.
  * The report descriptor has been created with usb.org's "HID Descriptor Tool"
  * which can be downloaded from http://www.usb.org/developers/hidpage/.
  * Redundant entries (such as LOGICAL_MINIMUM and USAGE_PAGE) have been omitted
  * for the second INPUT item.
  */
 const PROGMEM char usbHidReportDescriptor[USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH] = { /* USB report descriptor */
-  0x05, 0x01,                    // USAGE_PAGE (Generic Desktop) 
-  0x09, 0x06,                    // USAGE (Keyboard) 
-  0xa1, 0x01,                    // COLLECTION (Application) 
-  0x05, 0x07,                    //   USAGE_PAGE (Keyboard) 
-  0x19, 0xe0,                    //   USAGE_MINIMUM (Keyboard LeftControl) 
-  0x29, 0xe7,                    //   USAGE_MAXIMUM (Keyboard Right GUI) 
-  0x15, 0x00,                    //   LOGICAL_MINIMUM (0) 
-  0x25, 0x01,                    //   LOGICAL_MAXIMUM (1) 
-  0x75, 0x01,                    //   REPORT_SIZE (1) 
-  0x95, 0x08,                    //   REPORT_COUNT (8) 
-  0x81, 0x02,                    //   INPUT (Data,Var,Abs) 
-  0x95, 0x01,           //   REPORT_COUNT (simultaneous keystrokes) 
-  0x75, 0x08,                    //   REPORT_SIZE (8) 
-  0x25, 0x65,                    //   LOGICAL_MAXIMUM (101) 
-  0x19, 0x00,                    //   USAGE_MINIMUM (Reserved (no event indicated)) 
-  0x29, 0x65,                    //   USAGE_MAXIMUM (Keyboard Application) 
-  0x81, 0x00,                    //   INPUT (Data,Ary,Abs) 
-  0xc0                           // END_COLLECTION 
+  0x05, 0x01,                    // USAGE_PAGE (Generic Desktop)
+  0x09, 0x06,                    // USAGE (Keyboard)
+  0xa1, 0x01,                    // COLLECTION (Application)
+  0x05, 0x07,                    //   USAGE_PAGE (Keyboard)
+  0x19, 0xe0,                    //   USAGE_MINIMUM (Keyboard LeftControl)
+  0x29, 0xe7,                    //   USAGE_MAXIMUM (Keyboard Right GUI)
+  0x15, 0x00,                    //   LOGICAL_MINIMUM (0)
+  0x25, 0x01,                    //   LOGICAL_MAXIMUM (1)
+  0x75, 0x01,                    //   REPORT_SIZE (1)
+  0x95, 0x08,                    //   REPORT_COUNT (8)
+  0x81, 0x02,                    //   INPUT (Data,Var,Abs)
+  0x95, 0x01,           //   REPORT_COUNT (simultaneous keystrokes)
+  0x75, 0x08,                    //   REPORT_SIZE (8)
+  0x25, 0x65,                    //   LOGICAL_MAXIMUM (101)
+  0x19, 0x00,                    //   USAGE_MINIMUM (Reserved (no event indicated))
+  0x29, 0x65,                    //   USAGE_MAXIMUM (Keyboard Application)
+  0x81, 0x00,                    //   INPUT (Data,Ary,Abs)
+  0xc0                           // END_COLLECTION
 };
 
 
@@ -126,8 +126,10 @@ const PROGMEM char usbHidReportDescriptor[USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH]
 #define KEY_F11     68
 #define KEY_F12     69
 
-#define KEY_ARROW_LEFT 0x50
-
+#define KEY_ARROW_UP        82
+#define KEY_ARROW_DOWN      81
+#define KEY_ARROW_LEFT      80
+#define KEY_ARROW_RIGHT     79
 
 class DigiKeyboardDevice : public Print {
  public:
@@ -139,19 +141,19 @@ class DigiKeyboardDevice : public Print {
 
 
     usbInit();
-      
+
     sei();
 
     // TODO: Remove the next two lines once we fix
     //       missing first keystroke bug properly.
-    memset(reportBuffer, 0, sizeof(reportBuffer));      
+    memset(reportBuffer, 0, sizeof(reportBuffer));
     usbSetInterrupt(reportBuffer, sizeof(reportBuffer));
   }
-    
+
   void update() {
     usbPoll();
   }
-	
+
 	// delay while updating until we are finished delaying
 	void delay(long milli) {
 		unsigned long last = millis();
@@ -162,7 +164,7 @@ class DigiKeyboardDevice : public Print {
 	    update();
 	  }
 	}
-  
+
   //sendKeyStroke: sends a key press AND release
   void sendKeyStroke(byte keyStroke) {
     sendKeyStroke(keyStroke, 0);
@@ -191,21 +193,21 @@ class DigiKeyboardDevice : public Print {
     	usbPoll();
     	_delay_ms(5);
     }
-    
+
     memset(reportBuffer, 0, sizeof(reportBuffer));
-		
+
     reportBuffer[0] = modifiers;
     reportBuffer[1] = keyPress;
-    
+
     usbSetInterrupt(reportBuffer, sizeof(reportBuffer));
   }
-  
+
   size_t write(uint8_t chr) {
     uint8_t data = pgm_read_byte_near(ascii_to_scan_code_table + (chr - 8));
     sendKeyStroke(data & 0b01111111, data >> 7 ? MOD_SHIFT_RIGHT : 0);
     return 1;
   }
-    
+
   //private: TODO: Make friend?
   uchar    reportBuffer[2];    // buffer for HID reports [ 1 modifier byte + (len-1) key strokes]
   using Print::write;
@@ -215,7 +217,7 @@ DigiKeyboardDevice DigiKeyboard = DigiKeyboardDevice();
 
 #ifdef __cplusplus
 extern "C"{
-#endif 
+#endif
   // USB_PUBLIC uchar usbFunctionSetup
 	uchar usbFunctionSetup(uchar data[8]) {
     usbRequest_t    *rq = (usbRequest_t *)((void *)data);
@@ -228,22 +230,22 @@ extern "C"{
 				/* wValue: ReportType (highbyte), ReportID (lowbyte) */
 
 				/* we only have one report type, so don't look at wValue */
-        // TODO: Ensure it's okay not to return anything here?    
+        // TODO: Ensure it's okay not to return anything here?
 				return 0;
 
       } else if (rq->bRequest == USBRQ_HID_GET_IDLE) {
 				//usbMsgPtr = &idleRate;
 				//return 1;
 				return 0;
-				
+
       } else if (rq->bRequest == USBRQ_HID_SET_IDLE) {
 				idleRate = rq->wValue.bytes[1];
-				
+
       }
     } else {
       /* no vendor specific requests implemented */
     }
-		
+
     return 0;
   }
 #ifdef __cplusplus