118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
/* Arduino terminal for PL2303 USB to serial converter and XBee radio. */
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/* Inserts linefeed after carriage return in data sent to and received from Xbee */
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/* USB support */
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#include <usbhub.h>
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/* CDC support */
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#include <cdcacm.h>
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#include <cdcprolific.h>
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// Satisfy the IDE, which needs to see the include statment in the ino too.
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#ifdef dobogusinclude
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#include <spi4teensy3.h>
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#include <SPI.h>
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#endif
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class PLAsyncOper : public CDCAsyncOper
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{
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public:
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uint8_t OnInit(ACM *pacm);
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};
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uint8_t PLAsyncOper::OnInit(ACM *pacm)
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{
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uint8_t rcode;
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// Set DTR = 1
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rcode = pacm->SetControlLineState(1);
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if (rcode)
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{
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ErrorMessage<uint8_t>(PSTR("SetControlLineState"), rcode);
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return rcode;
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}
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LINE_CODING lc;
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lc.dwDTERate = 115200;
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lc.bCharFormat = 0;
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lc.bParityType = 0;
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lc.bDataBits = 8;
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rcode = pacm->SetLineCoding(&lc);
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if (rcode)
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ErrorMessage<uint8_t>(PSTR("SetLineCoding"), rcode);
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return rcode;
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}
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USB Usb;
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//USBHub Hub(&Usb);
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PLAsyncOper AsyncOper;
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PL2303 Pl(&Usb, &AsyncOper);
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void setup()
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{
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Serial.begin( 115200 );
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#if !defined(__MIPSEL__)
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while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
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#endif
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Serial.println("Start");
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if (Usb.Init() == -1)
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Serial.println("OSCOKIRQ failed to assert");
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delay( 200 );
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}
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void loop()
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{
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Usb.Task();
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if( Usb.getUsbTaskState() == USB_STATE_RUNNING )
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{
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uint8_t rcode;
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/* reading the keyboard */
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if(Serial.available()) {
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uint8_t data= Serial.read();
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if ( data == '\r' ) {
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Serial.print("\r\n"); //insert linefeed
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}
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else {
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Serial.print( data ); //echo back to the screen
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}
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/* sending to the phone */
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rcode = Pl.SndData(1, &data);
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if (rcode)
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ErrorMessage<uint8_t>(PSTR("SndData"), rcode);
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}//if(Serial.available()...
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delay(50);
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/* reading the converter */
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/* buffer size must be greater or equal to max.packet size */
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/* it it set to 64 (largest possible max.packet size) here, can be tuned down
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for particular endpoint */
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uint8_t buf[64];
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uint16_t rcvd = 64;
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rcode = Pl.RcvData(&rcvd, buf);
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if (rcode && rcode != hrNAK)
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ErrorMessage<uint8_t>(PSTR("Ret"), rcode);
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if( rcvd ) { //more than zero bytes received
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for(uint16_t i=0; i < rcvd; i++ ) {
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if( buf[i] =='\r' ) {
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Serial.print("\r\n"); //insert linefeed
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}
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else {
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Serial.print((char)buf[i]); //printing on the screen
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}
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}
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}
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delay(10);
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}//if( Usb.getUsbTaskState() == USB_STATE_RUNNING..
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}
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