protocol/usb_hid/USB_Host_Shield_2.0/examples/adk/adk_barcode/adk_barcode.ino

   1 /**/
   2 /* A sketch demonstrating data exchange between two USB devices - a HID barcode scanner and ADK-compatible Android phone */
   3 /**/
   4 #include <adk.h>
   5 #include <hidboot.h>
   6 #include <usbhub.h>
   7
   8 // Satisfy IDE, which only needs to see the include statment in the ino.
   9 #ifdef dobogusinclude
  10 #include <spi4teensy3.h>
  11 #include <SPI.h>
  12 #endif
  13
  14 USB Usb;
  15 USBHub Hub1(&Usb);
  16 USBHub Hub2(&Usb);
  17 HIDBoot<HID_PROTOCOL_KEYBOARD> Keyboard(&Usb);
  18
  19 ADK adk(&Usb,"Circuits@Home, ltd.",
  20             "USB Host Shield",
  21             "Arduino Terminal for Android",
  22             "1.0",
  23             "http://www.circuitsathome.com",
  24             "0000000000000001");
  25
  26
  27 class KbdRptParser : public KeyboardReportParser
  28 {
  29
  30 protected:
  31         void OnKeyDown  (uint8_t mod, uint8_t key);
  32         void OnKeyPressed(uint8_t key);
  33 };
  34
  35 void KbdRptParser::OnKeyDown(uint8_t mod, uint8_t key)
  36 {
  37     uint8_t c = OemToAscii(mod, key);
  38
  39     if (c)
  40         OnKeyPressed(c);
  41 }
  42
  43 /* what to do when symbol arrives */
  44 void KbdRptParser::OnKeyPressed(uint8_t key)
  45 {
  46 const char* new_line = "\n";
  47 uint8_t rcode;
  48 uint8_t keylcl;
  49
  50  if( adk.isReady() == false ) {
  51    return;
  52  }
  53
  54   keylcl = key;
  55
  56   if( keylcl == 0x13 ) {
  57     rcode = adk.SndData( strlen( new_line ), (uint8_t *)new_line );
  58   }
  59   else {
  60     rcode = adk.SndData( 1, &keylcl );
  61   }
  62
  63   Serial.print((char) keylcl );
  64   Serial.print(" : ");
  65   Serial.println( keylcl, HEX );
  66 };
  67
  68 KbdRptParser Prs;
  69
  70 void setup()
  71 {
  72   Serial.begin(115200);
  73 #if !defined(__MIPSEL__)
  74   while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
  75 #endif
  76   Serial.println("\r\nADK demo start");
  77
  78   if (Usb.Init() == -1) {
  79     Serial.println("OSCOKIRQ failed to assert");
  80     while(1); //halt
  81   }//if (Usb.Init() == -1...
  82
  83   Keyboard.SetReportParser(0, (HIDReportParser*)&Prs);
  84
  85   delay( 200 );
  86 }
  87
  88 void loop()
  89 {
  90   Usb.Task();
  91 }