protocol/usb_hid/USB_Host_Shield_2.0/examples/HID/USBHIDBootKbd/USBHIDBootKbd.ino

   1 #include <hidboot.h>
   2 #include <usbhub.h>
   3
   4 // Satisfy the IDE, which needs to see the include statment in the ino too.
   5 #ifdef dobogusinclude
   6 #include <spi4teensy3.h>
   7 #include <SPI.h>
   8 #endif
   9
  10 class KbdRptParser : public KeyboardReportParser
  11 {
  12     void PrintKey(uint8_t mod, uint8_t key);
  13
  14   protected:
  15     void OnControlKeysChanged(uint8_t before, uint8_t after);
  16
  17     void OnKeyDown      (uint8_t mod, uint8_t key);
  18     void OnKeyUp        (uint8_t mod, uint8_t key);
  19     void OnKeyPressed(uint8_t key);
  20 };
  21
  22 void KbdRptParser::PrintKey(uint8_t m, uint8_t key)
  23 {
  24   MODIFIERKEYS mod;
  25   *((uint8_t*)&mod) = m;
  26   Serial.print((mod.bmLeftCtrl   == 1) ? "C" : " ");
  27   Serial.print((mod.bmLeftShift  == 1) ? "S" : " ");
  28   Serial.print((mod.bmLeftAlt    == 1) ? "A" : " ");
  29   Serial.print((mod.bmLeftGUI    == 1) ? "G" : " ");
  30
  31   Serial.print(" >");
  32   PrintHex<uint8_t>(key, 0x80);
  33   Serial.print("< ");
  34
  35   Serial.print((mod.bmRightCtrl   == 1) ? "C" : " ");
  36   Serial.print((mod.bmRightShift  == 1) ? "S" : " ");
  37   Serial.print((mod.bmRightAlt    == 1) ? "A" : " ");
  38   Serial.println((mod.bmRightGUI    == 1) ? "G" : " ");
  39 };
  40
  41 void KbdRptParser::OnKeyDown(uint8_t mod, uint8_t key)
  42 {
  43   Serial.print("DN ");
  44   PrintKey(mod, key);
  45   uint8_t c = OemToAscii(mod, key);
  46
  47   if (c)
  48     OnKeyPressed(c);
  49 }
  50
  51 void KbdRptParser::OnControlKeysChanged(uint8_t before, uint8_t after) {
  52
  53   MODIFIERKEYS beforeMod;
  54   *((uint8_t*)&beforeMod) = before;
  55
  56   MODIFIERKEYS afterMod;
  57   *((uint8_t*)&afterMod) = after;
  58
  59   if (beforeMod.bmLeftCtrl != afterMod.bmLeftCtrl) {
  60     Serial.println("LeftCtrl changed");
  61   }
  62   if (beforeMod.bmLeftShift != afterMod.bmLeftShift) {
  63     Serial.println("LeftShift changed");
  64   }
  65   if (beforeMod.bmLeftAlt != afterMod.bmLeftAlt) {
  66     Serial.println("LeftAlt changed");
  67   }
  68   if (beforeMod.bmLeftGUI != afterMod.bmLeftGUI) {
  69     Serial.println("LeftGUI changed");
  70   }
  71
  72   if (beforeMod.bmRightCtrl != afterMod.bmRightCtrl) {
  73     Serial.println("RightCtrl changed");
  74   }
  75   if (beforeMod.bmRightShift != afterMod.bmRightShift) {
  76     Serial.println("RightShift changed");
  77   }
  78   if (beforeMod.bmRightAlt != afterMod.bmRightAlt) {
  79     Serial.println("RightAlt changed");
  80   }
  81   if (beforeMod.bmRightGUI != afterMod.bmRightGUI) {
  82     Serial.println("RightGUI changed");
  83   }
  84
  85 }
  86
  87 void KbdRptParser::OnKeyUp(uint8_t mod, uint8_t key)
  88 {
  89   Serial.print("UP ");
  90   PrintKey(mod, key);
  91 }
  92
  93 void KbdRptParser::OnKeyPressed(uint8_t key)
  94 {
  95   Serial.print("ASCII: ");
  96   Serial.println((char)key);
  97 };
  98
  99 USB     Usb;
 100 //USBHub     Hub(&Usb);
 101 HIDBoot<HID_PROTOCOL_KEYBOARD>    HidKeyboard(&Usb);
 102
 103 uint32_t next_time;
 104
 105 KbdRptParser Prs;
 106
 107 void setup()
 108 {
 109   Serial.begin( 115200 );
 110 #if !defined(__MIPSEL__)
 111   while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
 112 #endif
 113   Serial.println("Start");
 114
 115   if (Usb.Init() == -1)
 116     Serial.println("OSC did not start.");
 117
 118   delay( 200 );
 119
 120   next_time = millis() + 5000;
 121
 122   HidKeyboard.SetReportParser(0, (HIDReportParser*)&Prs);
 123 }
 124
 125 void loop()
 126 {
 127   Usb.Task();
 128 }
 129