//------------------------------------------------------------------------------
/// Configures the device by setting it into the Configured state and
/// initializing all endpoints.
/// \param pDriver Pointer to a USBDDriver instance.
/// \param cfgnum Configuration number to set.
//------------------------------------------------------------------------------
static void SetConfiguration(USBDDriver *pDriver, unsigned char cfgnum)
{
USBEndpointDescriptor *pEndpoints[BOARD_USB_NUMENDPOINTS+1];
const USBConfigurationDescriptor *pConfiguration;
pConfiguration = pDriver->pDescriptors->pFsConfiguration;
// Set & save the desired configuration
USBD_SetConfiguration(cfgnum);
pDriver->cfgnum = cfgnum;
// If the configuration is not 0, configure endpoints
if (cfgnum != 0) {
// Parse configuration to get endpoint descriptors
USBConfigurationDescriptor_Parse(pConfiguration, 0, pEndpoints, 0);
// Configure endpoints
int i = 0;
while (pEndpoints[i] != 0) {
USBD_ConfigureEndpoint(pEndpoints[i]);
i++;
}
}
// Should be done before send the ZLP
USBDDriverCallbacks_ConfigurationChanged(cfgnum);
// Acknowledge the request
USBD_Write(0, // Endpoint #0
0, // No data buffer
0, // No data buffer
(TransferCallback) 0,
(void *) 0);
}
/**
* Configures the device by setting it into the Configured state and
* initializing all endpoints.
* \param pDriver Pointer to a USBDDriver instance.
* \param cfgnum Configuration number to set.
*/
static void SetConfiguration(USBDDriver *pDriver, uint8_t cfgnum)
{
USBEndpointDescriptor *pEndpoints[17];
const USBConfigurationDescriptor *pConfiguration;
/* Use different descriptor depending on device speed */
if ( USBD_HAL_IsHighSpeed()
&& pDriver->pDescriptors->pHsConfiguration) {
pConfiguration = pDriver->pDescriptors->pHsConfiguration;
}
else {
pConfiguration = pDriver->pDescriptors->pFsConfiguration;
}
/* Set & save the desired configuration */
USBD_SetConfiguration(cfgnum);
pDriver->cfgnum = cfgnum;
pDriver->isRemoteWakeUpEnabled =
((pConfiguration->bmAttributes & 0x20) > 0);
/* If the configuration is not 0, configure endpoints */
if (cfgnum != 0) {
/* Parse configuration to get endpoint descriptors */
USBConfigurationDescriptor_Parse(pConfiguration, 0, pEndpoints, 0);
/* Configure endpoints */
int i = 0;
while (pEndpoints[i] != 0) {
USBD_ConfigureEndpoint(pEndpoints[i]);
i++;
}
}
/* Should be done before send the ZLP */
if (NULL != USBDDriverCallbacks_ConfigurationChanged)
USBDDriverCallbacks_ConfigurationChanged(cfgnum);
/* Acknowledge the request */
USBD_Write(0, /* Endpoint #0 */
0, /* No data buffer */
0, /* No data buffer */
(TransferCallback) 0,
(void *) 0);
}
