XR21B1411 - add example

examples/cdc_XR21B1411/XR_terminal/__XR_terminal.ino

@@ -0,0 +1,83 @@
+#include <cdc_XR21B1411.h>
+
+// Satisfy IDE, which only needs to see the include statment in the ino.
+#ifdef dobogusinclude
+#include <spi4teensy3.h>
+#include <SPI.h>
+#endif
+
+class ACMAsyncOper : public CDCAsyncOper
+{
+public:
+    uint8_t OnInit(ACM *pacm);
+};
+
+uint8_t ACMAsyncOper::OnInit(ACM *pacm)
+{
+    uint8_t rcode;
+    // Set DTR = 1 RTS=1
+    rcode = pacm->SetControlLineState(3);
+
+    if (rcode)
+    {
+        ErrorMessage<uint8_t>(PSTR("SetControlLineState"), rcode);
+        return rcode;
+    }
+
+    LINE_CODING	lc;
+    lc.dwDTERate	= 115200;
+    lc.bCharFormat	= 0;
+    lc.bParityType	= 0;
+    lc.bDataBits	= 8;
+
+    rcode = pacm->SetLineCoding(&lc);
+
+    if (rcode)
+        ErrorMessage<uint8_t>(PSTR("SetLineCoding"), rcode);
+
+    return rcode;
+}
+
+USB     Usb;
+ACMAsyncOper  AsyncOper;
+XR21B1411     Acm(&Usb, &AsyncOper);
+
+void setup() {
+        Serial.begin( 115200 );
+#if !defined(__MIPSEL__)
+        while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
+#endif
+        Serial.println("\r\n\r\nStart");
+
+        if (Usb.Init() == -1) Serial.println("OSCOKIRQ failed to assert");
+}
+
+void loop() {
+        Usb.Task();
+        if( Acm.isReady()) {
+                uint8_t rcode;
+                uint8_t  buf[1];
+                uint16_t rcvd = 1;
+
+                /* read keyboard */
+                if(Serial.available()) {
+                         uint8_t data = Serial.read();
+                         /* send */
+                         rcode = Acm.SndData(1, &data);
+                         if (rcode)
+                                 ErrorMessage<uint8_t>(PSTR("SndData"), rcode);
+                 }
+                
+                /* read XR serial */
+                rcode = Acm.RcvData(&rcvd, buf);
+                if (rcode && rcode != hrNAK)
+                        ErrorMessage<uint8_t>(PSTR("Ret"), rcode);
+
+                if( rcvd ) { //more than zero bytes received
+                        for(uint16_t i=0; i < rcvd; i++ ) {
+                                Serial.print((char)buf[i]);
+                        }
+                }
+        }
+}
+