Fixed bug 3567992.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4665 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/hal/src/serial_usb.c

@@ -260,6 +260,11 @@ void sduConfigureHookI(USBDriver *usbp) {
   chIQResetI(&sdup->iqueue);
   chOQResetI(&sdup->oqueue);
   chnAddFlagsI(sdup, CHN_CONNECTED);
+
+  /* Starts the first OUT transaction immediately.*/
+  usbPrepareQueuedReceive(usbp, USB_CDC_DATA_AVAILABLE_EP, &sdup->iqueue,
+                          usbp->epc[USB_CDC_DATA_AVAILABLE_EP]->out_maxsize);
+  usbStartReceiveI(usbp, USB_CDC_DATA_AVAILABLE_EP);
 }
 
 /**

readme.txt

@@ -83,6 +83,8 @@
 *****************************************************************************
 
 *** 2.5.1 ***
+- FIX: Fixed Data available event not generated in serial_usb driver (bug
+  3567992).
 - NEW: Added VLE support to the Power Architecture GCC port.
 - NEW: Reorganized the Power Architecture GCC port along the lines of the
   ARMCMx port, now it can support multiple core types.