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stm32f4: Implement dcd_edpt_busy. Don't set EPENA for activated endpoints.

This commit is contained in:
William D. Jones 2019-02-05 13:22:39 -05:00
parent 747815f03b
commit 4dc6746a68
1 changed files with 21 additions and 19 deletions
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40
src/portable/stm/stm32f4/dcd_stm32f4.c
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@ -220,18 +220,12 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
xfer_ctl_t * xfer = XFER_CTL_BASE(epnum, dir);
xfer->max_size = desc_edpt->wMaxPacketSize.size;
bool bulk_or_int = (desc_edpt->bmAttributes.xfer == 0x02 || desc_edpt->bmAttributes.xfer == 0x03);
if(dir == TUSB_DIR_OUT) {
out_ep[epnum].DOEPCTL |= USB_OTG_DOEPCTL_EPENA | \
(1 << USB_OTG_DOEPCTL_USBAEP_Pos) | \
(bulk_or_int ? USB_OTG_DOEPCTL_SD0PID_SEVNFRM : 0uL) | \
out_ep[epnum].DOEPCTL |= (1 << USB_OTG_DOEPCTL_USBAEP_Pos) | \
desc_edpt->bmAttributes.xfer << USB_OTG_DOEPCTL_EPTYP_Pos | \
desc_edpt->wMaxPacketSize.size << USB_OTG_DOEPCTL_MPSIZ_Pos;
} else {
in_ep[epnum].DIEPCTL |= USB_OTG_DIEPCTL_EPENA | \
(1 << USB_OTG_DIEPCTL_USBAEP_Pos) | \
(bulk_or_int ? USB_OTG_DIEPCTL_SD0PID_SEVNFRM : 0uL) | \
in_ep[epnum].DIEPCTL |= (1 << USB_OTG_DIEPCTL_USBAEP_Pos) | \
(epnum - 1) << USB_OTG_DIEPCTL_TXFNUM_Pos | \
desc_edpt->bmAttributes.xfer << USB_OTG_DIEPCTL_EPTYP_Pos | \
desc_edpt->wMaxPacketSize.size << USB_OTG_DIEPCTL_MPSIZ_Pos;
@ -334,18 +328,26 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
bool dcd_edpt_busy (uint8_t rhport, uint8_t ep_addr)
{
(void) rhport;
USB_OTG_OUTEndpointTypeDef * out_ep = OUT_EP_BASE;
USB_OTG_INEndpointTypeDef * in_ep = IN_EP_BASE;
// // USBD shouldn't check control endpoint state
// if ( 0 == ep_addr ) return false;
//
// uint8_t const epnum = edpt_number(ep_addr);
// UsbDeviceEndpoint* ep = &USB->DEVICE.DeviceEndpoint[epnum];
//
// if (edpt_dir(ep_addr) == TUSB_DIR_IN) {
// return ep->EPINTFLAG.bit.TRCPT1 == 0 && ep->EPSTATUS.bit.BK1RDY == 1;
// }
// return ep->EPINTFLAG.bit.TRCPT0 == 0 && ep->EPSTATUS.bit.BK0RDY == 1;
return true;
// USBD shouldn't check control endpoint state
if ( 0 == ep_addr ) return false;
uint8_t const epnum = tu_edpt_number(ep_addr);
bool enabled = false;
bool xferring = true;
if (tu_edpt_dir(ep_addr) == TUSB_DIR_IN) {
enabled = (in_ep[epnum].DIEPCTL & USB_OTG_DIEPCTL_EPENA_Msk);
xferring = (in_ep[epnum].DIEPTSIZ & USB_OTG_DIEPTSIZ_PKTCNT_Msk);
} else {
enabled = (out_ep[epnum].DOEPCTL & USB_OTG_DOEPCTL_EPENA_Msk);
xferring = (out_ep[epnum].DOEPTSIZ & USB_OTG_DOEPTSIZ_PKTCNT_Msk);
}
return (enabled && xferring);
}
/*------------------------------------------------------------------*/