added demo code on main.cpp to build a simple two way channel over the virtual serial port. To use this, run ln -s /dev/ttyACM0 /dev/ttyS9 then open up Maple IDE and select ttyS9 as the serial port. you should be able to see the count of the number of bytes in as well as the blink message

git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@78 749a229e-a60e-11de-b98f-4500b42dc123

1 files changed, 23 insertions, 3 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 46037bd..cf79329 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -7,7 +7,16 @@ void setup();
 void loop();

 

 int ledPin = 13;

+uint8_t bytes_in;

 

+BootVectTable* mapleVect;

+

+void usb_tx_cb(void) {

+}

+

+void usb_rx_cb(void) {

+  bytes_in = usb_serialGetRecvLen();

+}

 

 void setup()

 {

@@ -19,8 +28,13 @@ void setup()
     pwmWrite(6, 0x8000);

 

     Serial2.println("setup end");

+

+    mapleVect = (BootVectTable*)(BOOTLOADER_VECT_TABLE);

+    mapleVect->serial_tx_cb = usb_tx_cb;

+    mapleVect->serial_rx_cb = usb_rx_cb;

 }

 

+

 int toggle = 0;

 

 char* testMsg = "0123456\n";

@@ -28,10 +42,16 @@ void loop() {
     toggle ^= 1;

     digitalWrite(ledPin, toggle);

     delay(1000);

+    usb_serialWriteStr("blink...\n");

 

-    usb_userToPMABufferCopy((u8*)testMsg,USB_SERIAL_ENDP_TXADDR,8);

-    _SetEPTxCount(USB_SERIAL_ENDP_TX,8);

-    _SetEPTxValid(USB_SERIAL_ENDP_TX);

+    if (bytes_in > 0) {

+      int i;

+      for (i=0;i<bytes_in;i++) {

+	usb_serialWriteStr("b,");

+      }

+      bytes_in = 0;

+      usb_serialWriteStr("\n");

+    }

 }