Added new USB_Host_SetDeviceConfiguration() convenience function. Change over Low Level host demos to use the new routine.

1 files changed, 16 insertions, 29 deletions

diff --git a/Demos/Host/LowLevel/StillImageHost/StillImageHost.c b/Demos/Host/LowLevel/StillImageHost/StillImageHost.c
index 318e25731..a337ab045 100644
--- a/Demos/Host/LowLevel/StillImageHost/StillImageHost.c
+++ b/Demos/Host/LowLevel/StillImageHost/StillImageHost.c
@@ -133,35 +133,6 @@ void StillImage_Task(void)
 	switch (USB_HostState)

 	{

 		case HOST_STATE_Addressed:

-			/* Standard request to set the device configuration to configuration 1 */

-			USB_ControlRequest = (USB_Request_Header_t)

-				{

-					.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),

-					.bRequest      = REQ_SetConfiguration,

-					.wValue        = 1,

-					.wIndex        = 0,

-					.wLength       = 0,

-				};

-

-			/* Select the control pipe for the request transfer */

-			Pipe_SelectPipe(PIPE_CONTROLPIPE);

-

-			/* Send the request, display error and wait for device detach if request fails */

-			if (USB_Host_SendControlRequest(NULL) != HOST_SENDCONTROL_Successful)

-			{

-				puts_P(PSTR("Control error.\r\n"));

-

-				/* Indicate error via status LEDs */

-				LEDs_SetAllLEDs(LEDMASK_USB_ERROR);

-

-				/* Wait until USB device disconnected */

-				while (USB_IsConnected);

-				break;

-			}

-				

-			USB_HostState = HOST_STATE_Configured;

-			break;

-		case HOST_STATE_Configured:

 			puts_P(PSTR("Getting Config Data.\r\n"));

 		

 			/* Get and process the configuration descriptor data */

@@ -182,6 +153,22 @@ void StillImage_Task(void)
 				break;

 			}

 

+			/* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */

+			if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)

+			{

+				puts_P(PSTR("Control error.\r\n"));

+

+				/* Indicate error via status LEDs */

+				LEDs_SetAllLEDs(LEDMASK_USB_ERROR);

+

+				/* Wait until USB device disconnected */

+				while (USB_IsConnected);

+				break;

+			}

+				

+			USB_HostState = HOST_STATE_Configured;

+			break;

+		case HOST_STATE_Configured:

 			puts_P(PSTR("Still Image Device Enumerated.\r\n"));

 				

 			USB_HostState = HOST_STATE_Ready;