// Callbacks
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//! \brief Callback invoked during the initialization of the USB driver
//!
//! Configures and enables USB controller and VBus monitoring interrupts
//! \param pUsb Pointer to a S_usb instance
//------------------------------------------------------------------------------
static void CBK_Init(const S_usb *pUsb)
{
// Configure and enable the USB controller interrupt
AT91F_AIC_ConfigureIt(AT91C_BASE_AIC,
USB_GetDriverID(pUsb),
AT91C_AIC_PRIOR_LOWEST,
0, //AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL,
ISR_Driver);
AT91F_AIC_EnableIt(AT91C_BASE_AIC, USB_GetDriverID(pUsb));
#ifndef USB_BUS_POWERED
// Configure VBus monitoring
BRD_ConfigureVBus(USB_GetDriverInterface(pUsb));
// Configure and enable the Vbus detection interrupt
AT91F_AIC_ConfigureIt(AT91C_BASE_AIC,
AT91C_ID_VBUS,
AT91C_AIC_PRIOR_LOWEST,
0, //AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL,
ISR_VBus);
AT91F_PIO_InterruptEnable(AT91C_PIO_VBUS, AT91C_VBUS);
AT91F_AIC_EnableIt(AT91C_BASE_AIC, AT91C_ID_VBUS);
#else
// Power up the USB controller
USB_Attach(pUsb);
#endif
}
//------------------------------------------------------------------------------
// \brief Disables the peripheral clock of the USB controller associated with
// the specified USB driver
// \param pUsb Pointer to a S_usb instance
// \see S_usb
//------------------------------------------------------------------------------
INLINEFUNC void UDP_DisableMCK(const S_usb *pUsb)
{
AT91C_BASE_PMC->PMC_PCDR = 1 << USB_GetDriverID(pUsb);
}