/**
* @brief Halt a host channel
* @param hhcd: HCD handle
* @param ch_num: Channel number.
* This parameter can be a value from 1 to 15
* @retval HAL status
*/
HAL_StatusTypeDef HAL_HCD_HC_Halt(HCD_HandleTypeDef *hhcd, uint8_t ch_num)
{
HAL_StatusTypeDef status = HAL_OK;
__HAL_LOCK(hhcd);
USB_HC_Halt(hhcd->Instance, ch_num);
__HAL_UNLOCK(hhcd);
return status;
}
/**
* @brief This function handles Host Channel OUT interrupt requests.
* @param hhcd: HCD handle
* @param chnum : Channel number
* This parameter can be a value from 1 to 15
* @retval none
*/
static void HCD_HC_OUT_IRQHandler (HCD_HandleTypeDef *hhcd, uint8_t chnum)
{
USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_AHBERR)
{
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_AHBERR);
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_ACK)
{
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_ACK);
if( hhcd->hc[chnum].do_ping == 1)
{
hhcd->hc[chnum].state = HC_NYET;
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
hhcd->hc[chnum].urb_state = URB_NOTREADY;
}
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_NYET)
{
hhcd->hc[chnum].state = HC_NYET;
hhcd->hc[chnum].ErrCnt= 0;
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NYET);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_FRMOR)
{
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_FRMOR);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_XFRC)
{
hhcd->hc[chnum].ErrCnt = 0;
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_XFRC);
hhcd->hc[chnum].state = HC_XFRC;
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_STALL)
{
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_STALL);
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
hhcd->hc[chnum].state = HC_STALL;
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_NAK)
{
hhcd->hc[chnum].ErrCnt = 0;
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
hhcd->hc[chnum].state = HC_NAK;
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_TXERR)
{
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
hhcd->hc[chnum].state = HC_XACTERR;
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_TXERR);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_DTERR)
{
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_DTERR);
hhcd->hc[chnum].state = HC_DATATGLERR;
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_CHH)
{
__HAL_HCD_MASK_HALT_HC_INT(chnum);
if(hhcd->hc[chnum].state == HC_XFRC)
{
hhcd->hc[chnum].urb_state = URB_DONE;
if (hhcd->hc[chnum].ep_type == EP_TYPE_BULK)
{
hhcd->hc[chnum].toggle_out ^= 1;
}
}
else if (hhcd->hc[chnum].state == HC_NAK)
{
hhcd->hc[chnum].urb_state = URB_NOTREADY;
}
else if (hhcd->hc[chnum].state == HC_NYET)
{
hhcd->hc[chnum].urb_state = URB_NOTREADY;
hhcd->hc[chnum].do_ping = 0;
}
else if (hhcd->hc[chnum].state == HC_STALL)
{
hhcd->hc[chnum].urb_state = URB_STALL;
}
else if((hhcd->hc[chnum].state == HC_XACTERR) ||
(hhcd->hc[chnum].state == HC_DATATGLERR))
{
if(hhcd->hc[chnum].ErrCnt++ > 3)
{
hhcd->hc[chnum].ErrCnt = 0;
hhcd->hc[chnum].urb_state = URB_ERROR;
}
else
{
hhcd->hc[chnum].urb_state = URB_NOTREADY;
}
/* re-activate the channel */
USBx_HC(chnum)->HCCHAR &= ~USB_OTG_HCCHAR_CHDIS;
USBx_HC(chnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
}
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_CHH);
HAL_HCD_HC_NotifyURBChange_Callback(hhcd, chnum, hhcd->hc[chnum].urb_state);
}
}
/**
* @brief This function handles Host Channel IN interrupt requests.
* @param hhcd: HCD handle
* @param chnum : Channel number
* This parameter can be a value from 1 to 15
* @retval none
*/
static void HCD_HC_IN_IRQHandler (HCD_HandleTypeDef *hhcd, uint8_t chnum)
{
USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_AHBERR)
{
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_AHBERR);
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_ACK)
{
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_ACK);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_STALL)
{
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
hhcd->hc[chnum].state = HC_STALL;
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_STALL);
USB_HC_Halt(hhcd->Instance, chnum);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_DTERR)
{
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
hhcd->hc[chnum].state = HC_DATATGLERR;
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_DTERR);
}
if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_FRMOR)
{
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_FRMOR);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_XFRC)
{
if (hhcd->Init.dma_enable)
{
hhcd->hc[chnum].xfer_count = hhcd->hc[chnum].xfer_len - \
(USBx_HC(chnum)->HCTSIZ & USB_OTG_HCTSIZ_XFRSIZ);
}
hhcd->hc[chnum].state = HC_XFRC;
hhcd->hc[chnum].ErrCnt = 0;
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_XFRC);
if ((hhcd->hc[chnum].ep_type == EP_TYPE_CTRL)||
(hhcd->hc[chnum].ep_type == EP_TYPE_BULK))
{
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
}
else if(hhcd->hc[chnum].ep_type == EP_TYPE_INTR)
{
USBx_HC(chnum)->HCCHAR |= USB_OTG_HCCHAR_ODDFRM;
hhcd->hc[chnum].urb_state = URB_DONE;
HAL_HCD_HC_NotifyURBChange_Callback(hhcd, chnum, hhcd->hc[chnum].urb_state);
}
hhcd->hc[chnum].toggle_in ^= 1;
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_CHH)
{
__HAL_HCD_MASK_HALT_HC_INT(chnum);
if(hhcd->hc[chnum].state == HC_XFRC)
{
hhcd->hc[chnum].urb_state = URB_DONE;
}
else if (hhcd->hc[chnum].state == HC_STALL)
{
hhcd->hc[chnum].urb_state = URB_STALL;
}
else if((hhcd->hc[chnum].state == HC_XACTERR) ||
(hhcd->hc[chnum].state == HC_DATATGLERR))
{
if(hhcd->hc[chnum].ErrCnt++ > 3)
{
hhcd->hc[chnum].ErrCnt = 0;
hhcd->hc[chnum].urb_state = URB_ERROR;
}
else
{
hhcd->hc[chnum].urb_state = URB_NOTREADY;
}
/* re-activate the channel */
USBx_HC(chnum)->HCCHAR &= ~USB_OTG_HCCHAR_CHDIS;
USBx_HC(chnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
}
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_CHH);
HAL_HCD_HC_NotifyURBChange_Callback(hhcd, chnum, hhcd->hc[chnum].urb_state);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_TXERR)
{
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
hhcd->hc[chnum].ErrCnt++;
hhcd->hc[chnum].state = HC_XACTERR;
USB_HC_Halt(hhcd->Instance, chnum);
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_TXERR);
}
else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_NAK)
{
if(hhcd->hc[chnum].ep_type == EP_TYPE_INTR)
{
__HAL_HCD_UNMASK_HALT_HC_INT(chnum);
USB_HC_Halt(hhcd->Instance, chnum);
}
else if ((hhcd->hc[chnum].ep_type == EP_TYPE_CTRL)||
(hhcd->hc[chnum].ep_type == EP_TYPE_BULK))
{
/* re-activate the channel */
USBx_HC(chnum)->HCCHAR &= ~USB_OTG_HCCHAR_CHDIS;
USBx_HC(chnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
}
hhcd->hc[chnum].state = HC_NAK;
__HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
}
}