tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/examples/pl2303/pl2303_xbee_terminal/pl2303_xbee_terminal.ino

   1 /* Arduino terminal for PL2303 USB to serial converter and XBee radio. */
   2 /* Inserts linefeed after carriage return in data sent to and received from Xbee */
   3 /* USB support */
   4 #include <usbhub.h>
   5 /* CDC support */
   6 #include <cdcacm.h>
   7 #include <cdcprolific.h>
   8
   9 // Satisfy the IDE, which needs to see the include statment in the ino too.
  10 #ifdef dobogusinclude
  11 #include <spi4teensy3.h>
  12 #include <SPI.h>
  13 #endif
  14
  15 class PLAsyncOper : public CDCAsyncOper
  16 {
  17 public:
  18     uint8_t OnInit(ACM *pacm);
  19 };
  20
  21 uint8_t PLAsyncOper::OnInit(ACM *pacm)
  22 {
  23     uint8_t rcode;
  24
  25     // Set DTR = 1
  26     rcode = pacm->SetControlLineState(1);
  27
  28     if (rcode)
  29     {
  30         ErrorMessage<uint8_t>(PSTR("SetControlLineState"), rcode);
  31         return rcode;
  32     }
  33
  34     LINE_CODING lc;
  35     lc.dwDTERate        = 115200;
  36     lc.bCharFormat      = 0;
  37     lc.bParityType      = 0;
  38     lc.bDataBits        = 8;
  39
  40     rcode = pacm->SetLineCoding(&lc);
  41
  42     if (rcode)
  43         ErrorMessage<uint8_t>(PSTR("SetLineCoding"), rcode);
  44
  45     return rcode;
  46 }
  47 USB     Usb;
  48 //USBHub     Hub(&Usb);
  49 PLAsyncOper  AsyncOper;
  50 PL2303       Pl(&Usb, &AsyncOper);
  51
  52 void setup()
  53 {
  54   Serial.begin( 115200 );
  55 #if !defined(__MIPSEL__)
  56   while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
  57 #endif
  58   Serial.println("Start");
  59
  60   if (Usb.Init() == -1)
  61       Serial.println("OSCOKIRQ failed to assert");
  62
  63   delay( 200 );
  64 }
  65
  66 void loop()
  67 {
  68     Usb.Task();
  69
  70     if( Usb.getUsbTaskState() == USB_STATE_RUNNING )
  71     {
  72        uint8_t rcode;
  73
  74        /* reading the keyboard */
  75        if(Serial.available()) {
  76          uint8_t data= Serial.read();
  77
  78          if ( data == '\r' ) {
  79            Serial.print("\r\n");  //insert linefeed
  80          }
  81          else {
  82            Serial.print( data );  //echo back to the screen
  83          }
  84
  85          /* sending to the phone */
  86          rcode = Pl.SndData(1, &data);
  87          if (rcode)
  88             ErrorMessage<uint8_t>(PSTR("SndData"), rcode);
  89        }//if(Serial.available()...
  90
  91        delay(50);
  92
  93         /* reading the converter */
  94         /* buffer size must be greater or equal to max.packet size */
  95         /* it it set to 64 (largest possible max.packet size) here, can be tuned down
  96         for particular endpoint */
  97         uint8_t  buf[64];
  98         uint16_t rcvd = 64;
  99         rcode = Pl.RcvData(&rcvd, buf);
 100          if (rcode && rcode != hrNAK)
 101             ErrorMessage<uint8_t>(PSTR("Ret"), rcode);
 102
 103             if( rcvd ) { //more than zero bytes received
 104               for(uint16_t i=0; i < rcvd; i++ ) {
 105                 if( buf[i] =='\r' ) {
 106                   Serial.print("\r\n");  //insert linefeed
 107                 }
 108                 else {
 109                   Serial.print((char)buf[i]); //printing on the screen
 110                 }
 111               }
 112             }
 113         delay(10);
 114     }//if( Usb.getUsbTaskState() == USB_STATE_RUNNING..
 115 }
 116
 117