X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/44179abcf85acb14fb3aff72ce50ae84281c0f2e..c5eeedd522c12c8b4996594f3c4167393d0af7ff:/Demos/Host/ClassDriver/CDCHost/CDCHost.c

diff --git a/Demos/Host/ClassDriver/CDCHost/CDCHost.c b/Demos/Host/ClassDriver/CDCHost/CDCHost.c
index 65f490f28..0cbb77122 100644
--- a/Demos/Host/ClassDriver/CDCHost/CDCHost.c
+++ b/Demos/Host/ClassDriver/CDCHost/CDCHost.c
@@ -48,12 +48,8 @@ USB_ClassInfo_CDC_Host_t VirtualSerial_CDC_Interface =
 				.DataOUTPipeNumber      = 2,
 				.NotificationPipeNumber = 3,
 			},
-			
-		.State =
-			{
-				// Leave all state values to their defaults			
-			}
 	};
+
 	
 /** Main program entry point. This routine configures the hardware required by the application, then
  *  starts the scheduler to run the application tasks.
@@ -71,8 +67,26 @@ int main(void)
 		switch (USB_HostState)
 		{
 			case HOST_STATE_Addressed:
-				if (!(CDC_Host_ConfigurePipes(&VirtualSerial_CDC_Interface)))
+				LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+			
+				uint16_t ConfigDescriptorSize;
+				uint8_t  ConfigDescriptorData[512];
+
+				if ((USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful) ||
+				    (ConfigDescriptorSize > sizeof(ConfigDescriptorData)))
+				{
+					printf("Error Retrieving Configuration Descriptor.\r\n");
+					LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+					USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+					break;
+				}
+				  
+				USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData);
+
+				if (CDC_Host_ConfigurePipes(&VirtualSerial_CDC_Interface,
+				                            ConfigDescriptorSize, ConfigDescriptorData) != CDC_ENUMERROR_NoError)
 				{
+					printf("Attached Device Not a Valid CDC Class Device.\r\n");
 					LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 					USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 					break;
@@ -80,17 +94,16 @@ int main(void)
 				
 				if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
 				{
+					printf("Error Setting Device Configuration.\r\n");
 					LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 					USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 					break;
 				}
-
+				
+				printf("CDC Device Enumerated.\r\n");
 				USB_HostState = HOST_STATE_Configured;
 				break;
 			case HOST_STATE_Configured:
-				USB_HostState = HOST_STATE_Ready;
-				break;
-			case HOST_STATE_Ready:
 				break;
 		}