/**
* Sets the active setting of the given interface if the configuration supports
* it; otherwise, the control pipe is STALLed. If the setting of an interface
* changes.
* \parma pDriver Pointer to a USBDDriver instance.
* \parma infnum Interface number.
* \parma setting New active setting for the interface.
*/
static void SetInterface(
USBDDriver *pDriver,
uint8_t infnum,
uint8_t setting)
{
/* Make sure alternate settings are supported */
if (!pDriver->pInterfaces) {
USBD_Stall(0);
}
else {
/* Change the current setting of the interface and trigger the callback */
/* if necessary */
if (pDriver->pInterfaces[infnum] != setting) {
pDriver->pInterfaces[infnum] = setting;
USBDDriverCallbacks_InterfaceSettingChanged(infnum, setting);
}
/* Acknowledge the request */
USBD_Write(0, 0, 0, 0, 0);
}
}
//------------------------------------------------------------------------------
/// Sets the active setting of the given interface if the configuration supports
/// it; otherwise, the control pipe is STALLed. If the setting of an interface
/// changes.
/// \parma pDriver Pointer to a USBDDriver instance.
/// \parma infnum Interface number.
/// \parma setting New active setting for the interface.
//------------------------------------------------------------------------------
static void SetInterface(
USBDDriver *pDriver,
unsigned char infnum,
unsigned char setting)
{
// Make sure alternate settings are supported
if (!pDriver->pInterfaces) {
USBD_Stall(0);
}
else {
// Change the current setting of the interface and trigger the callback
// if necessary
if (pDriver->pInterfaces[infnum] != setting) {
pDriver->pInterfaces[infnum] = setting;
USBDDriverCallbacks_InterfaceSettingChanged(infnum, setting);
}
// Acknowledge the request
USBD_Write(0, 0, 0, 0, 0);
}
}
