diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/nordic/nrf5x/dcd_nrf5x.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/src/portable/nordic/nrf5x/dcd_nrf5x.c b/src/portable/nordic/nrf5x/dcd_nrf5x.c index efc4d3183..7dc5731ab 100644 --- a/src/portable/nordic/nrf5x/dcd_nrf5x.c +++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c @@ -366,8 +366,34 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt) void dcd_edpt_close_all (uint8_t rhport) { - (void) rhport; - // TODO implement dcd_edpt_close_all() + // disable interrupt to prevent race condition + dcd_int_disable(rhport); + + // disable all non-control (bulk + interrupt) endpoints + for ( uint8_t ep = 1; ep < EP_CBI_COUNT; ep++ ) + { + NRF_USBD->INTENCLR = TU_BIT(USBD_INTEN_ENDEPOUT0_Pos + ep) | TU_BIT(USBD_INTEN_ENDEPIN0_Pos + ep); + + NRF_USBD->TASKS_STARTEPIN[ep] = 0; + NRF_USBD->TASKS_STARTEPOUT[ep] = 0; + + tu_memclr(_dcd.xfer[ep], 2*sizeof(xfer_td_t)); + } + + // disable both ISO + NRF_USBD->INTENCLR = USBD_INTENCLR_SOF_Msk | USBD_INTENCLR_ENDISOOUT_Msk | USBD_INTENCLR_ENDISOIN_Msk; + NRF_USBD->ISOSPLIT = USBD_ISOSPLIT_SPLIT_OneDir; + + NRF_USBD->TASKS_STARTISOIN = 0; + NRF_USBD->TASKS_STARTISOOUT = 0; + + tu_memclr(_dcd.xfer[EP_ISO_NUM], 2*sizeof(xfer_td_t)); + + // de-activate all non-control + NRF_USBD->EPOUTEN = 1UL; + NRF_USBD->EPINEN = 1UL; + + dcd_int_enable(rhport); } void dcd_edpt_close (uint8_t rhport, uint8_t ep_addr) @@ -514,7 +540,9 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr) void bus_reset(void) { // 6.35.6 USB controller automatically disabled all endpoints (except control) - // i.e EPOUTEN and EPINEN and reset USBADDR to 0 + NRF_USBD->EPOUTEN = 1UL; + NRF_USBD->EPINEN = 1UL; + for(int i=0; i<8; i++) { NRF_USBD->TASKS_STARTEPIN[i] = 0; |