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explicitly clear stall and data toggle for edpoint upon open()

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This commit is contained in:
hathach
2021-08-27 22:31:08 +07:00
parent 81c73c235f
commit 8bad0af849
1 changed files with 8 additions and 2 deletions
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10
src/portable/nordic/nrf5x/dcd_nrf5x.c
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@@ -306,8 +306,9 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
{
(void) rhport;
uint8_t const epnum = tu_edpt_number(desc_edpt->bEndpointAddress);
uint8_t const dir = tu_edpt_dir(desc_edpt->bEndpointAddress);
uint8_t const ep_addr = desc_edpt->bEndpointAddress;
uint8_t const epnum = tu_edpt_number(ep_addr);
uint8_t const dir = tu_edpt_dir(ep_addr);
_dcd.xfer[epnum][dir].mps = desc_edpt->wMaxPacketSize.size;
@@ -359,6 +360,11 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
NRF_USBD->EPINEN |= USBD_EPINEN_ISOIN_Msk;
}
}
// clear stall and reset DataToggle
NRF_USBD->EPSTALL = (USBD_EPSTALL_STALL_UnStall << USBD_EPSTALL_STALL_Pos) | ep_addr;
NRF_USBD->DTOGGLE = (USBD_DTOGGLE_VALUE_Data0 << USBD_DTOGGLE_VALUE_Pos) | ep_addr;
__ISB(); __DSB();
return true;