/*
Function: USBD_ConfigureEndpoint
Configures an endpoint according to its Endpoint Descriptor.
Parameters:
descriptor - Pointer to an Endpoint descriptor.
*/
void USBD_ConfigureEndpoint(const USBEndpointDescriptor *descriptor)
{
Endpoint *endpoint;
unsigned char eptnum;
unsigned char type;
unsigned char direction;
// NULL descriptor -> Control endpoint 0
if (descriptor == 0) {
eptnum = 0;
endpoint = &(endpoints[eptnum]);
type = USBEndpointDescriptor_CONTROL;
direction = 0;
endpoint->size = BOARD_USB_ENDPOINTS_MAXPACKETSIZE(0);
}
else {
eptnum = USBEndpointDescriptor_GetNumber(descriptor);
endpoint = &(endpoints[eptnum]);
type = USBEndpointDescriptor_GetType(descriptor);
direction = USBEndpointDescriptor_GetDirection(descriptor);
endpoint->size = USBEndpointDescriptor_GetMaxPacketSize(descriptor);
}
// Abort the current transfer is the endpoint was configured and in
// Write or Read state
if ((endpoint->state == UDP_ENDPOINT_RECEIVING)
|| (endpoint->state == UDP_ENDPOINT_SENDING)) {
UDP_EndOfTransfer(eptnum, USBD_STATUS_RESET);
}
endpoint->state = UDP_ENDPOINT_IDLE;
// Reset Endpoint Fifos
AT91C_BASE_UDP->UDP_RSTEP |= (1 << eptnum);
AT91C_BASE_UDP->UDP_RSTEP &= ~(1 << eptnum);
// Configure endpoint
SET_CSR(eptnum, AT91C_UDP_EPEDS | (type << 8) | (direction << 10));
if (type == USBEndpointDescriptor_CONTROL) {
AT91C_BASE_UDP->UDP_IER = (1 << eptnum);
}
TRACE_INFO( "\r\n# CfgEpt%d ", eptnum);
}
} PACKED ADM8511ConfigurationDescriptors;
//------------------------------------------------------------------------------
// Exported variables
//------------------------------------------------------------------------------
/// Standard USB device descriptor
static const USBDeviceDescriptor deviceDescriptor = {
sizeof(USBDeviceDescriptor),
USBGenericDescriptor_DEVICE,
USBDeviceDescriptor_USB2_00,
ADM8511_CLASS,
ADM8511_SUBCLASS,
ADM8511_PROTOCOL,
BOARD_USB_ENDPOINTS_MAXPACKETSIZE(0),
ADM8511_VENDORID,
ADM8511_PRODUCTID,
ADM8511_RELEASE,
0, // No string descriptor for manufacturer
1, // Index of product string descriptor is #1
0, // No string descriptor for serial number
1 // Device has 1 possible configuration
};
/// Standard USB configuration descriptor
static const ADM8511ConfigurationDescriptors configurationDescriptors = {
// Standard configuration descriptor
{
sizeof(USBConfigurationDescriptor),
