Fix issue with USB CDC at reboot (#236)

ChibiOS/NESHTEC_NESHNODE_V1/nanoCLR/main.c

@@ -25,7 +25,7 @@ osThreadDef(CLRStartupThread, osPriorityNormal, 4096, "CLRStartupThread");
 //  Application entry point.
 int main(void)
 {
-        // find out wakeup reason
+    // find out wakeup reason
     if ((PWR->CSR1 & PWR_CSR1_WUIF) == PWR_CSR1_WUIF)
     {
         // standby, match WakeupReason_FromStandby enum
@@ -74,17 +74,6 @@ int main(void)
     crcStart(NULL);
 #endif
 
-    //  Initializes a serial-over-USB CDC driver.
-    sduObjectInit(&SDU1);
-    sduStart(&SDU1, &serusbcfg);
-
-    // Activates the USB driver and then the USB bus pull-up on D+.
-    // Note, a delay is inserted in order to not have to disconnect the cable after a reset
-    usbDisconnectBus(serusbcfg.usbp);
-    chThdSleepMilliseconds(100);
-    usbStart(serusbcfg.usbp, &usbcfg);
-    usbConnectBus(serusbcfg.usbp);
-
     // create the receiver thread
     osThreadCreate(osThread(ReceiverThread), NULL);
 
@@ -108,3 +97,17 @@ int main(void)
         osDelay(100);
     }
 }
+
+void WP_Message_PrepareReception_Target()
+{
+    //  Initializes a serial-over-USB CDC driver.
+    sduObjectInit(&SDU1);
+    sduStart(&SDU1, &serusbcfg);
+
+    // Activates the USB driver and then the USB bus pull-up on D+.
+    // Note, a delay is inserted in order to not have to disconnect the cable after a reset
+    usbDisconnectBus(serusbcfg.usbp);
+    chThdSleepMilliseconds(100);
+    usbStart(serusbcfg.usbp, &usbcfg);
+    usbConnectBus(serusbcfg.usbp);
+}