From 5e3cfe7b5784ee94a4914b36232d28ce96cf18f2 Mon Sep 17 00:00:00 2001 From: Jerzy Kasenberg Date: Fri, 26 Aug 2022 08:01:06 +0200 Subject: [PATCH] nrf5x: Fix endpoint internal state when closed Field started (regardind transfer) was only cleaed when transfer was finished. For audio devices set interface is called many times. When there is no audio (silence) set interface requests zero lenght bandwithd that in turn calls dcd_edpt_close(). When endpoint is closed due to set interface request transfer should not longer be started since it will block next start transfer with assert. This just sets 'started' to false when endpoint is closed. --- src/portable/nordic/nrf5x/dcd_nrf5x.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/portable/nordic/nrf5x/dcd_nrf5x.c b/src/portable/nordic/nrf5x/dcd_nrf5x.c index efa30c60..f213e9f9 100644 --- a/src/portable/nordic/nrf5x/dcd_nrf5x.c +++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c @@ -438,6 +438,7 @@ void dcd_edpt_close (uint8_t rhport, uint8_t ep_addr) // When both ISO endpoint are close there is no need for SOF any more. if (_dcd.xfer[EP_ISO_NUM][TUSB_DIR_IN].mps + _dcd.xfer[EP_ISO_NUM][TUSB_DIR_OUT].mps == 0) NRF_USBD->INTENCLR = USBD_INTENCLR_SOF_Msk; } + _dcd.xfer[epnum][dir].started = false; __ISB(); __DSB(); }