diff options
Diffstat (limited to 'shared/tinyusb/mp_usbd_runtime.c')
| -rw-r--r-- | shared/tinyusb/mp_usbd_runtime.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/shared/tinyusb/mp_usbd_runtime.c b/shared/tinyusb/mp_usbd_runtime.c index 7ff7dd4ab..e10d1cb3f 100644 --- a/shared/tinyusb/mp_usbd_runtime.c +++ b/shared/tinyusb/mp_usbd_runtime.c @@ -472,6 +472,8 @@ static void mp_usbd_disconnect(mp_obj_usb_device_t *usbd) { #if MICROPY_HW_USB_CDC // Ensure no pending static CDC writes, as these can cause TinyUSB to crash tud_cdc_write_clear(); + // Prevent cdc write flush from initiating any new transfers while disconnecting + usbd_edpt_stall(USBD_RHPORT, USBD_CDC_EP_IN); #endif bool was_connected = tud_connected(); |