diff options
Diffstat (limited to 'shared-bindings/microcontroller/__init__.c')
| -rw-r--r-- | shared-bindings/microcontroller/__init__.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/shared-bindings/microcontroller/__init__.c b/shared-bindings/microcontroller/__init__.c index d2567bd65..58ed876c2 100644 --- a/shared-bindings/microcontroller/__init__.c +++ b/shared-bindings/microcontroller/__init__.c @@ -71,7 +71,11 @@ //| .. method:: delay_us(delay) //| //| Dedicated delay method used for very short delays. **Do not** do long delays -//| because it will stall any concurrent code. +//| because this stops all other functions from completing. Think of this as an empty +//| ``while`` loop that runs for the specified ``(delay)`` time. If you have other +//| code or peripherals (e.g audio recording) that require specific timing or +//| processing while you are waiting, explore a different avenue such as using +//| `time.sleep()`. //| STATIC mp_obj_t mcu_delay_us(mp_obj_t delay_obj) { uint32_t delay = mp_obj_get_int(delay_obj); |