/**
* @brief This function handles HCD interrupt request.
* @param hhcd: HCD handle
* @retval none
*/
void HAL_HCD_IRQHandler(HCD_HandleTypeDef *hhcd)
{
USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
uint32_t i = 0 , interrupt = 0;
/* ensure that we are in device mode */
if (USB_GetMode(hhcd->Instance) == USB_OTG_MODE_HOST)
{
/* avoid spurious interrupt */
if(__HAL_HCD_IS_INVALID_INTERRUPT(hhcd))
{
return;
}
if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_PXFR_INCOMPISOOUT))
{
/* incorrect mode, acknowledge the interrupt */
__HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_PXFR_INCOMPISOOUT);
}
if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_IISOIXFR))
{
/* incorrect mode, acknowledge the interrupt */
__HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_IISOIXFR);
}
if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_PTXFE))
{
/* incorrect mode, acknowledge the interrupt */
__HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_PTXFE);
}
if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_MMIS))
{
/* incorrect mode, acknowledge the interrupt */
__HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_MMIS);
}
/* Handle Host Disconnect Interrupts */
if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_DISCINT))
{
/* Cleanup HPRT */
USBx_HPRT0 &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
/* Handle Host Port Interrupts */
HAL_HCD_Disconnect_Callback(hhcd);
USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_48_MHZ );
__HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_DISCINT);
}
/* Handle Host Port Interrupts */
if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_HPRTINT))
{
HCD_Port_IRQHandler (hhcd);
}
/* Handle Host SOF Interrupts */
if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_SOF))
{
HAL_HCD_SOF_Callback(hhcd);
__HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_SOF);
}
/* Handle Host channel Interrupts */
if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_HCINT))
{
interrupt = USB_HC_ReadInterrupt(hhcd->Instance);
for (i = 0; i < hhcd->Init.Host_channels ; i++)
{
if (interrupt & (1 << i))
{
if ((USBx_HC(i)->HCCHAR) & USB_OTG_HCCHAR_EPDIR)
{
HCD_HC_IN_IRQHandler (hhcd, i);
}
else
{
HCD_HC_OUT_IRQHandler (hhcd, i);
}
}
}
__HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_HCINT);
}
/* Handle Rx Queue Level Interrupts */
if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_RXFLVL))
{
USB_MASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_RXFLVL);
HCD_RXQLVL_IRQHandler (hhcd);
USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_RXFLVL);
}
}
}
/**
* @brief This function handles Host Port interrupt requests.
* @param hhcd: HCD handle
* @retval None
*/
static void HCD_Port_IRQHandler (HCD_HandleTypeDef *hhcd)
{
USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
__IO uint32_t hprt0, hprt0_dup;
/* Handle Host Port Interrupts */
hprt0 = USBx_HPRT0;
hprt0_dup = USBx_HPRT0;
hprt0_dup &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
/* Check whether Port Connect Detected */
if((hprt0 & USB_OTG_HPRT_PCDET) == USB_OTG_HPRT_PCDET)
{
if (DebugConfig.print_hcd_event) {
USBH_PutMessage("CONNECT");
}
if((hprt0 & USB_OTG_HPRT_PCSTS) == USB_OTG_HPRT_PCSTS)
{
USB_MASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT);
/* connect callback is used for port up only, now */
// HAL_HCD_Connect_Callback(hhcd);
}
hprt0_dup |= USB_OTG_HPRT_PCDET;
}
/* Check whether Port Enable Changed */
if((hprt0 & USB_OTG_HPRT_PENCHNG) == USB_OTG_HPRT_PENCHNG)
{
hprt0_dup |= USB_OTG_HPRT_PENCHNG;
if((hprt0 & USB_OTG_HPRT_PENA) == USB_OTG_HPRT_PENA)
{
if (DebugConfig.print_hcd_event) {
USBH_PutMessage("PORTUP");
}
if(hhcd->Init.phy_itface == USB_OTG_EMBEDDED_PHY)
{
if ((hprt0 & USB_OTG_HPRT_PSPD) == (HPRT0_PRTSPD_LOW_SPEED << 17))
{
USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_6_MHZ );
}
else
{
USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_48_MHZ );
}
}
else
{
if(hhcd->Init.speed == HCD_SPEED_FULL)
{
USBx_HOST->HFIR = (uint32_t)60000;
}
}
HAL_HCD_Connect_Callback(hhcd);
if(hhcd->Init.speed == HCD_SPEED_HIGH)
{
USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT);
}
}
else
{
if (DebugConfig.print_hcd_event) {
USBH_PutMessage("PORTDOWN");
}
/* Cleanup HPRT */
USBx_HPRT0 &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT);
// This is EXTREMELY important to clean up hardware here
// Other ways won't do if DMA is enabled, you got very unstable
// enumeration during disconnect and reconnect
if (DebugConfig.do_nothing_after_port_down)
{
}
else if (DebugConfig.do_only_disable_global_int_after_port_down)
{
__HAL_HCD_DISABLE(hhcd);
}
else
{
HAL_HCD_Stop(hhcd);
}
HAL_HCD_Disconnect_Callback(hhcd);
}
}
/* Check for an overcurrent */
if((hprt0 & USB_OTG_HPRT_POCCHNG) == USB_OTG_HPRT_POCCHNG)
{
hprt0_dup |= USB_OTG_HPRT_POCCHNG;
}
/* Clear Port Interrupts */
USBx_HPRT0 = hprt0_dup;
}