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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.

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This commit is contained in:
Dean Camera 2009-07-27 10:48:55 +00:00
parent 5251bc6e4e
commit 84c3c4a3d9
6 changed files with 66 additions and 50 deletions
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28
Demos/Host/ClassDriver/CDCHost/CDCHost.c
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@ -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;