From be6f0f3b3b99820d8aef835a8c2af1a1baaed049 Mon Sep 17 00:00:00 2001
From: robert-hh <robert@hammelrath.com>
Date: Sat, 9 Jul 2022 08:54:29 +0200
Subject: [PATCH] nrf/mpconfigport: Call tud_task() in MICROPY_EVENT_POLL_HOOK.

So that the interrupt character can interrupt a long-running loop, like a
sleep.
---
 ports/nrf/mpconfigport.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ports/nrf/mpconfigport.h b/ports/nrf/mpconfigport.h
index dc7c3b1ea4..0698a52cef 100644
--- a/ports/nrf/mpconfigport.h
+++ b/ports/nrf/mpconfigport.h
@@ -346,8 +346,15 @@ typedef long mp_off_t;
     /* micro:bit root pointers */ \
     void *async_data[2]; \
 
+#if MICROPY_HW_USB_CDC
+#define MICROPY_HW_USBDEV_TASK_HOOK extern void tud_task(void); tud_task();
+#else
+#define MICROPY_HW_USBDEV_TASK_HOOK ;
+#endif
+
 #define MICROPY_EVENT_POLL_HOOK \
     do { \
+        MICROPY_HW_USBDEV_TASK_HOOK \
         extern void mp_handle_pending(bool); \
         mp_handle_pending(true); \
         __WFI(); \