protocol/usb_hid/USB_Host_Shield_2.0/examples/acm/acm_terminal/acm_terminal.ino

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