1 files changed, 88 insertions, 0 deletions
diff --git a/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/examples/pl2303/pl2303_gps/pl2303_gps.ino b/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/examples/pl2303/pl2303_gps/pl2303_gps.ino
new file mode 100644
index 0000000000..e8c8a02230
--- /dev/null
+++ b/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/examples/pl2303/pl2303_gps/pl2303_gps.ino
@@ -0,0 +1,88 @@
+/* USB Host to PL2303-based USB GPS unit interface */
+/* Navibee GM720 receiver - Sirf Star III */
+/* USB support */
+#include <usbhub.h>
+/* CDC support */
+#include <cdcacm.h>
+#include <cdcprolific.h>
+
+// Satisfy the IDE, which needs to see the include statment in the ino too.
+#ifdef dobogusinclude
+#include <spi4teensy3.h>
+#include <SPI.h>
+#endif
+
+class PLAsyncOper : public CDCAsyncOper {
+public:
+        uint8_t OnInit(ACM *pacm);
+};
+
+uint8_t PLAsyncOper::OnInit(ACM *pacm) {
+        uint8_t rcode;
+
+        // Set DTR = 1
+        rcode = pacm->SetControlLineState(1);
+
+        if(rcode) {
+                ErrorMessage<uint8_t>(PSTR("SetControlLineState"), rcode);
+                return rcode;
+        }
+
+        LINE_CODING lc;
+        lc.dwDTERate = 4800; //default serial speed of GPS unit
+        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;
+USBHub Hub(&Usb);
+PLAsyncOper AsyncOper;
+PL2303 Pl(&Usb, &AsyncOper);
+uint32_t read_delay;
+#define READ_DELAY 100
+
+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("Start");
+
+        if(Usb.Init() == -1)
+                Serial.println("OSCOKIRQ failed to assert");
+
+        delay(200);
+}
+
+void loop() {
+        uint8_t rcode;
+        uint8_t buf[64]; //serial buffer equals Max.packet size of bulk-IN endpoint
+        uint16_t rcvd = 64;
+
+        Usb.Task();
+
+        if(Pl.isReady()) {
+                /* reading the GPS */
+                if((long)(millis() - read_delay) >= 0L) {
+                        read_delay += READ_DELAY;
+                        rcode = Pl.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]); //printing on the screen
+                                }//for( uint16_t i=0; i < rcvd; i++...
+                        }//if( rcvd
+                }//if( read_delay > millis()...
+        }//if( Usb.getUsbTaskState() == USB_STATE_RUNNING..
+}
+
+