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| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-07-27 10:48:55 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-07-27 10:48:55 +0000 |
| commit | 84c3c4a3d90e7f890c61d4640c2d65a469b42b79 (patch) | |
| tree | e498b8aea50aab1aa6931b775c0d68154c7db348 /Demos/Host/ClassDriver/CDCHost | |
| parent | 5251bc6e4e312ec5c4f57c43a92ba49c19684c51 (diff) | |
| download | lufa-84c3c4a3d90e7f890c61d4640c2d65a469b42b79.tar.gz lufa-84c3c4a3d90e7f890c61d4640c2d65a469b42b79.tar.bz2 lufa-84c3c4a3d90e7f890c61d4640c2d65a469b42b79.zip | |
Change Host mode class driver Pipe configuration routines -- better to let the application fetch the configuration descriptors once, and then pass them to each class driver in turn.
Diffstat (limited to 'Demos/Host/ClassDriver/CDCHost')
| -rw-r--r-- | Demos/Host/ClassDriver/CDCHost/CDCHost.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/Demos/Host/ClassDriver/CDCHost/CDCHost.c b/Demos/Host/ClassDriver/CDCHost/CDCHost.c index 4479e4fb8..b74c39418 100644 --- a/Demos/Host/ClassDriver/CDCHost/CDCHost.c +++ b/Demos/Host/ClassDriver/CDCHost/CDCHost.c @@ -74,10 +74,31 @@ int main(void) case HOST_STATE_Addressed:
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
- if (CDC_Host_ConfigurePipes(&VirtualSerial_CDC_Interface, 512) != CDC_ENUMERROR_NoError)
+ uint16_t ConfigDescriptorSize;
+ uint8_t ConfigDescriptorData[512];
+
+ if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful)
{
- printf("Attached device is not a valid CDC device.\r\n");
+ printf("Error Retrieving Device Descriptor.\r\n");
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+ break;
+ }
+ if (ConfigDescriptorSize > 512)
+ {
+ printf("Device Descriptor Too Large To Process.\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;
@@ -86,12 +107,11 @@ 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;
|