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

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This commit is contained in:
Dean Camera 2009-06-16 04:20:21 +00:00
parent ab76c52e14
commit b5ca3990c2
12 changed files with 173 additions and 244 deletions
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45
Demos/Host/LowLevel/StillImageHost/StillImageHost.c
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@ -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;