From d94d2d297552decfc1f02b84c898127eb14e96bf Mon Sep 17 00:00:00 2001
From: warriorofwire <3454741+WarriorOfWire@users.noreply.github.com>
Date: Sun, 31 May 2020 13:09:45 -0700
Subject: Add async/await syntax to FULL_BUILD

This adds the `async def` and `await` verbs to valid CircuitPython syntax using the Micropython implementation.

Consider:
```
>>> class Awaitable:
...     def __iter__(self):
...         for i in range(3):
...             print('awaiting', i)
...             yield
...         return 42
...
>>> async def wait_for_it():
...     a = Awaitable()
...     result = await a
...     return result
...
>>> task = wait_for_it()
>>> next(task)
awaiting 0
>>> next(task)
awaiting 1
>>> next(task)
awaiting 2
>>> next(task)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  StopIteration: 42
>>>
```

and more excitingly:
```
>>> async def it_awaits_a_subtask():
...     value = await wait_for_it()
...     print('twice as good', value * 2)
...
>>> task = it_awaits_a_subtask()
>>> next(task)
awaiting 0
>>> next(task)
awaiting 1
>>> next(task)
awaiting 2
>>> next(task)
twice as good 84
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  StopIteration:
```

Note that this is just syntax plumbing, not an all-encompassing implementation of an asynchronous task scheduler or asynchronous hardware apis.
  uasyncio might be a good module to bring in, or something else - but the standard Python syntax does not _strictly require_ deeper hardware
  support.
Micropython implements the await verb via the __iter__ function rather than __await__.  It's okay.

The syntax being present will enable users to write clean and expressive multi-step state machines that are written serially and interleaved
  according to the rules provided by those users.

Given that this does not include an all-encompassing C scheduler, this is expected to be an advanced functionality until the community settles
  on the future of deep hardware support for async/await in CircuitPython.  Users will implement yield-based schedulers and tasks wrapping
  synchronous hardware APIs with polling to avoid blocking, while their application business logic gets simple `await` statements.
---
 py/circuitpy_mpconfig.h  | 1 -
 py/circuitpy_mpconfig.mk | 3 +++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/py/circuitpy_mpconfig.h b/py/circuitpy_mpconfig.h
index 0583ae1c9..5ffdd4c8f 100644
--- a/py/circuitpy_mpconfig.h
+++ b/py/circuitpy_mpconfig.h
@@ -79,7 +79,6 @@
 
 #define MICROPY_PY_ARRAY                 (1)
 #define MICROPY_PY_ARRAY_SLICE_ASSIGN    (1)
-#define MICROPY_PY_ASYNC_AWAIT           (0)
 #define MICROPY_PY_ATTRTUPLE             (1)
 
 #define MICROPY_PY_BUILTINS_BYTEARRAY    (1)
diff --git a/py/circuitpy_mpconfig.mk b/py/circuitpy_mpconfig.mk
index 9b9bd83b4..cab6d339e 100644
--- a/py/circuitpy_mpconfig.mk
+++ b/py/circuitpy_mpconfig.mk
@@ -290,3 +290,6 @@ CFLAGS += -DCIRCUITPY_WIFI=$(CIRCUITPY_WIFI)
 # Enabled micropython.native decorator (experimental)
 CIRCUITPY_ENABLE_MPY_NATIVE ?= 0
 CFLAGS += -DCIRCUITPY_ENABLE_MPY_NATIVE=$(CIRCUITPY_ENABLE_MPY_NATIVE)
+
+# async/await language keyword support
+MICROPY_PY_ASYNC_AWAIT ?= $(CIRCUITPY_FULL_BUILD)
-- 
cgit v1.2.3


From f5f1e29dc0503483ecdaef853b0b9361a5731b55 Mon Sep 17 00:00:00 2001
From: warriorofwire <3454741+WarriorOfWire@users.noreply.github.com>
Date: Sun, 31 May 2020 14:25:09 -0700
Subject: disable async/await on a several small ucontrollers

---
 ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.mk               | 1 +
 ports/atmel-samd/boards/arduino_mkrzero/mpconfigboard.mk               | 3 +++
 ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.mk           | 3 +++
 ports/atmel-samd/boards/arduino_zero/mpconfigboard.mk                  | 3 +++
 ports/atmel-samd/boards/bast_pro_mini_m0/mpconfigboard.mk              | 3 +++
 ports/atmel-samd/boards/catwan_usbstick/mpconfigboard.mk               | 3 +++
 ports/atmel-samd/boards/circuitbrains_basic_m0/mpconfigboard.mk        | 2 ++
 ports/atmel-samd/boards/datum_distance/mpconfigboard.mk                | 3 +++
 ports/atmel-samd/boards/datum_imu/mpconfigboard.mk                     | 3 +++
 ports/atmel-samd/boards/datum_light/mpconfigboard.mk                   | 3 +++
 ports/atmel-samd/boards/datum_weather/mpconfigboard.mk                 | 3 +++
 ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.mk          | 3 +++
 ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.mk              | 3 +++
 ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk              | 3 +++
 ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk              | 3 +++
 ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk                      | 2 ++
 ports/atmel-samd/boards/pewpew10/mpconfigboard.mk                      | 3 +++
 ports/atmel-samd/boards/seeeduino_xiao/mpconfigboard.mk                | 3 +++
 ports/atmel-samd/boards/shirtty/mpconfigboard.mk                       | 3 +++
 ports/atmel-samd/boards/sparkfun_qwiic_micro_no_flash/mpconfigboard.mk | 3 +++
 ports/atmel-samd/boards/sparkfun_samd21_dev/mpconfigboard.mk           | 3 +++
 ports/atmel-samd/boards/sparkfun_samd21_mini/mpconfigboard.mk          | 3 +++
 ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk                    | 2 ++
 ports/atmel-samd/boards/trinket_m0_haxpress/mpconfigboard.mk           | 2 ++
 ports/atmel-samd/boards/uchip/mpconfigboard.mk                         | 1 +
 ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk                  | 3 +++
 ports/nrf/boards/pca10100/mpconfigboard.mk                             | 2 ++
 ports/nrf/boards/sparkfun_nrf52840_mini/mpconfigboard.mk               | 3 +++
 28 files changed, 75 insertions(+)

diff --git a/ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.mk b/ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.mk
index d31d1f54a..2c0056847 100644
--- a/ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.mk
@@ -10,3 +10,4 @@ INTERNAL_FLASH_FILESYSTEM = 1
 LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 SUPEROPT_GC = 0
+MICROPY_PY_ASYNC_AWAIT = 0
diff --git a/ports/atmel-samd/boards/arduino_mkrzero/mpconfigboard.mk b/ports/atmel-samd/boards/arduino_mkrzero/mpconfigboard.mk
index 7eb83a123..230bce4f2 100644
--- a/ports/atmel-samd/boards/arduino_mkrzero/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/arduino_mkrzero/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.mk b/ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.mk
index fd24edafa..1d652737a 100644
--- a/ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/arduino_zero/mpconfigboard.mk b/ports/atmel-samd/boards/arduino_zero/mpconfigboard.mk
index a5722c9ad..e4d0916fa 100644
--- a/ports/atmel-samd/boards/arduino_zero/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/arduino_zero/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/bast_pro_mini_m0/mpconfigboard.mk b/ports/atmel-samd/boards/bast_pro_mini_m0/mpconfigboard.mk
index 055e6b19e..47a543450 100644
--- a/ports/atmel-samd/boards/bast_pro_mini_m0/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/bast_pro_mini_m0/mpconfigboard.mk
@@ -9,3 +9,6 @@ CHIP_FAMILY = samd21
 INTERNAL_FLASH_FILESYSTEM = 1
 LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/catwan_usbstick/mpconfigboard.mk b/ports/atmel-samd/boards/catwan_usbstick/mpconfigboard.mk
index 892a5371e..201c9b142 100644
--- a/ports/atmel-samd/boards/catwan_usbstick/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/catwan_usbstick/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 CIRCUITPY_COUNTIO = 0
 CIRCUITPY_ROTARYIO = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/circuitbrains_basic_m0/mpconfigboard.mk b/ports/atmel-samd/boards/circuitbrains_basic_m0/mpconfigboard.mk
index 5656d4cb8..fa437bf36 100755
--- a/ports/atmel-samd/boards/circuitbrains_basic_m0/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/circuitbrains_basic_m0/mpconfigboard.mk
@@ -16,6 +16,7 @@ CIRCUITPY_COUNTIO = 0
 CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_I2CPERIPHERAL = 0
 CIRCUITPY_VECTORIO = 0
+MICROPY_PY_ASYNC_AWAIT = 0
 
 SUPEROPT_GC = 0
 
@@ -33,3 +34,4 @@ RELEASE_NEEDS_CLEAN_BUILD = 1
 CFLAGS_INLINE_LIMIT = 35
 SUPEROPT_VM = 0
 endif
+
diff --git a/ports/atmel-samd/boards/datum_distance/mpconfigboard.mk b/ports/atmel-samd/boards/datum_distance/mpconfigboard.mk
index ae05d32f2..365b935ee 100644
--- a/ports/atmel-samd/boards/datum_distance/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/datum_distance/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/datum_imu/mpconfigboard.mk b/ports/atmel-samd/boards/datum_imu/mpconfigboard.mk
index 6fd05f403..f5900c8f7 100644
--- a/ports/atmel-samd/boards/datum_imu/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/datum_imu/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/datum_light/mpconfigboard.mk b/ports/atmel-samd/boards/datum_light/mpconfigboard.mk
index d42a7869d..3cefa856f 100644
--- a/ports/atmel-samd/boards/datum_light/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/datum_light/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/datum_weather/mpconfigboard.mk b/ports/atmel-samd/boards/datum_weather/mpconfigboard.mk
index d92cbc71b..1293a5aaa 100644
--- a/ports/atmel-samd/boards/datum_weather/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/datum_weather/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.mk
index 143910318..0f784be8a 100644
--- a/ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.mk
index 69ebdfc23..b53508570 100644
--- a/ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk
index 1ad429295..fe588b163 100644
--- a/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk
@@ -21,10 +21,13 @@ CIRCUITPY_SAMD = 0
 CIRCUITPY_USB_MIDI = 0
 CIRCUITPY_USB_HID = 0
 CIRCUITPY_TOUCHIO = 0
+MICROPY_PY_ASYNC_AWAIT = 0
 CFLAGS_INLINE_LIMIT = 35
+
 # Make more room.
 SUPEROPT_GC = 0
 
 # Include these Python libraries in firmware.
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_RFM69
+
diff --git a/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk
index 44606e340..f2e27d1e2 100644
--- a/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk
@@ -22,6 +22,8 @@ CIRCUITPY_SAMD = 0
 CIRCUITPY_USB_MIDI = 0
 CIRCUITPY_USB_HID = 0
 CIRCUITPY_TOUCHIO = 0
+MICROPY_PY_ASYNC_AWAIT = 0
+
 CFLAGS_INLINE_LIMIT = 35
 # Make more room.
 SUPEROPT_GC = 0
@@ -29,3 +31,4 @@ SUPEROPT_GC = 0
 # Include these Python libraries in firmware.
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_RFM9x
+
diff --git a/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk b/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk
index 0345417a9..10705f280 100644
--- a/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk
@@ -9,6 +9,7 @@ CHIP_FAMILY = samd21
 INTERNAL_FLASH_FILESYSTEM = 1
 LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
+MICROPY_PY_ASYNC_AWAIT = 0
 
 SUPEROPT_GC = 0
 
@@ -21,3 +22,4 @@ ifeq ($(TRANSLATION), de_DE)
 RELEASE_NEEDS_CLEAN_BUILD = 1
 CFLAGS_INLINE_LIMIT = 35
 endif
+
diff --git a/ports/atmel-samd/boards/pewpew10/mpconfigboard.mk b/ports/atmel-samd/boards/pewpew10/mpconfigboard.mk
index 1cc91a8df..b5e1ce69a 100644
--- a/ports/atmel-samd/boards/pewpew10/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/pewpew10/mpconfigboard.mk
@@ -24,3 +24,6 @@ SUPEROPT_GC = 0
 FROZEN_MPY_DIRS += $(TOP)/frozen/pew-pewpew-standalone-10.x
 
 CFLAGS_BOARD = --param max-inline-insns-auto=15
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/seeeduino_xiao/mpconfigboard.mk b/ports/atmel-samd/boards/seeeduino_xiao/mpconfigboard.mk
index bedec87f4..b89bee482 100644
--- a/ports/atmel-samd/boards/seeeduino_xiao/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/seeeduino_xiao/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/shirtty/mpconfigboard.mk b/ports/atmel-samd/boards/shirtty/mpconfigboard.mk
index a04e09769..ed4960cd8 100644
--- a/ports/atmel-samd/boards/shirtty/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/shirtty/mpconfigboard.mk
@@ -13,3 +13,6 @@ CIRCUITPY_I2CPERIPHERAL = 1
 CIRCUITPY_TOUCHIO = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/sparkfun_qwiic_micro_no_flash/mpconfigboard.mk b/ports/atmel-samd/boards/sparkfun_qwiic_micro_no_flash/mpconfigboard.mk
index 22e2059a9..18b057a18 100644
--- a/ports/atmel-samd/boards/sparkfun_qwiic_micro_no_flash/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/sparkfun_qwiic_micro_no_flash/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 
 CIRCUITPY_FULL_BUILD = 0
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/sparkfun_samd21_dev/mpconfigboard.mk b/ports/atmel-samd/boards/sparkfun_samd21_dev/mpconfigboard.mk
index a2bd577cd..c97207b21 100644
--- a/ports/atmel-samd/boards/sparkfun_samd21_dev/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/sparkfun_samd21_dev/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/sparkfun_samd21_mini/mpconfigboard.mk b/ports/atmel-samd/boards/sparkfun_samd21_mini/mpconfigboard.mk
index 9460d0009..d9bde8183 100644
--- a/ports/atmel-samd/boards/sparkfun_samd21_mini/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/sparkfun_samd21_mini/mpconfigboard.mk
@@ -11,3 +11,6 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk b/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk
index 735d42297..a65c570c7 100644
--- a/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk
@@ -9,6 +9,7 @@ CHIP_FAMILY = samd21
 INTERNAL_FLASH_FILESYSTEM = 1
 LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
+MICROPY_PY_ASYNC_AWAIT = 0
 
 SUPEROPT_GC = 0
 
@@ -22,3 +23,4 @@ RELEASE_NEEDS_CLEAN_BUILD = 1
 CFLAGS_INLINE_LIMIT = 35
 SUPEROPT_VM = 0
 endif
+
diff --git a/ports/atmel-samd/boards/trinket_m0_haxpress/mpconfigboard.mk b/ports/atmel-samd/boards/trinket_m0_haxpress/mpconfigboard.mk
index 402db7ebc..82d2768d8 100644
--- a/ports/atmel-samd/boards/trinket_m0_haxpress/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/trinket_m0_haxpress/mpconfigboard.mk
@@ -17,6 +17,7 @@ CIRCUITPY_COUNTIO = 0
 CIRCUITPY_RTC = 0
 CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_I2CPERIPHERAL = 0
+MICROPY_PY_ASYNC_AWAIT = 0
 
 SUPEROPT_GC = 0
 
@@ -34,3 +35,4 @@ RELEASE_NEEDS_CLEAN_BUILD = 1
 CFLAGS_INLINE_LIMIT = 35
 SUPEROPT_VM = 0
 endif
+
diff --git a/ports/atmel-samd/boards/uchip/mpconfigboard.mk b/ports/atmel-samd/boards/uchip/mpconfigboard.mk
index d08690a15..7270effde 100644
--- a/ports/atmel-samd/boards/uchip/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/uchip/mpconfigboard.mk
@@ -14,3 +14,4 @@ CIRCUITPY_FULL_BUILD = 0
 CFLAGS_INLINE_LIMIT = 45
 
 SUPEROPT_GC = 0
+MICROPY_PY_ASYNC_AWAIT = 0
diff --git a/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk b/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk
index 9309fdce0..b08d36b59 100644
--- a/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk
@@ -28,3 +28,6 @@ CIRCUITPY_COUNTIO=0
 # Include these Python libraries in firmware.
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/nrf/boards/pca10100/mpconfigboard.mk b/ports/nrf/boards/pca10100/mpconfigboard.mk
index f952983f5..6a6ca72ce 100644
--- a/ports/nrf/boards/pca10100/mpconfigboard.mk
+++ b/ports/nrf/boards/pca10100/mpconfigboard.mk
@@ -29,3 +29,5 @@ SUPEROPT_GC = 0
 
 # Override optimization to keep binary small
 OPTIMIZATION_FLAGS = -Os
+MICROPY_PY_ASYNC_AWAIT = 0
+
diff --git a/ports/nrf/boards/sparkfun_nrf52840_mini/mpconfigboard.mk b/ports/nrf/boards/sparkfun_nrf52840_mini/mpconfigboard.mk
index f66b2eaf7..7077766a3 100644
--- a/ports/nrf/boards/sparkfun_nrf52840_mini/mpconfigboard.mk
+++ b/ports/nrf/boards/sparkfun_nrf52840_mini/mpconfigboard.mk
@@ -6,3 +6,6 @@ USB_MANUFACTURER = "SparkFun Electronics"
 MCU_CHIP = nrf52840
 
 INTERNAL_FLASH_FILESYSTEM = 1
+
+MICROPY_PY_ASYNC_AWAIT = 0
+
-- 
cgit v1.2.3


From 5cadf525bdf27ef4a3fab9b1c7242384f260003e Mon Sep 17 00:00:00 2001
From: warriorofwire <3454741+WarriorOfWire@users.noreply.github.com>
Date: Sun, 31 May 2020 15:16:44 -0700
Subject: fix missing cflag defeating the board gating

---
 py/circuitpy_mpconfig.mk | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/py/circuitpy_mpconfig.mk b/py/circuitpy_mpconfig.mk
index cab6d339e..ba75d29a5 100644
--- a/py/circuitpy_mpconfig.mk
+++ b/py/circuitpy_mpconfig.mk
@@ -32,6 +32,8 @@
 CIRCUITPY_FULL_BUILD ?= 1
 CFLAGS += -DCIRCUITPY_FULL_BUILD=$(CIRCUITPY_FULL_BUILD)
 
+MICROPY_PY_ASYNC_AWAIT ?= $(CIRCUITPY_FULL_BUILD)
+CFLAGS += -DMICROPY_PY_ASYNC_AWAIT=$(MICROPY_PY_ASYNC_AWAIT)
 
 CIRCUITPY_AESIO ?= 0
 CFLAGS += -DCIRCUITPY_AESIO=$(CIRCUITPY_AESIO)
-- 
cgit v1.2.3


From bf849ff674a953ea36dbffc856a05158b2350077 Mon Sep 17 00:00:00 2001
From: Kenny <3454741+WarriorOfWire@users.noreply.github.com>
Date: Wed, 5 Aug 2020 19:55:40 -0700
Subject: async def syntax rigor and __await__ magic method

Some examples of improved compliance with CPython that currently
have divergent behavior in CircuitPython are listed below:

* yield from is not allowed in async methods
```
>>> async def f():
...     yield from 'abc'
...
Traceback (most recent call last):
  File "<stdin>", line 2, in f
SyntaxError: 'yield from' inside async function
```

* await only works on awaitable expressions
```
>>> async def f():
...     await 'not awaitable'
...
>>> f().send(None)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 2, in f
AttributeError: 'str' object has no attribute '__await__'
```

* only __await__()able expressions are awaitable
Okay this one actually does not work in circuitpython at all today.
This is how CPython works though and pretending __await__ does not
exist will only bite users who write both.
```
>>> class c:
...     pass
...
>>> def f(self):
...     yield
...     yield
...     return 'f to pay respects'
...
>>> c.__await__ = f  # could just as easily have put it on the class but this shows how it's wired
>>> async def g():
...     awaitable_thing = c()
...     partial = await awaitable_thing
...     return 'press ' + partial
...
>>> q = g()
>>> q.send(None)
>>> q.send(None)
>>> q.send(None)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
StopIteration: press f to pay respects
```
---
 py/compile.c      |  9 ++++++++-
 py/objgenerator.c | 22 ++++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/py/compile.c b/py/compile.c
index 653aae004..f19430298 100644
--- a/py/compile.c
+++ b/py/compile.c
@@ -2632,6 +2632,12 @@ STATIC void compile_yield_expr(compiler_t *comp, mp_parse_node_struct_t *pns) {
         EMIT_ARG(yield, MP_EMIT_YIELD_VALUE);
     } else if (MP_PARSE_NODE_IS_STRUCT_KIND(pns->nodes[0], PN_yield_arg_from)) {
         pns = (mp_parse_node_struct_t*)pns->nodes[0];
+#if MICROPY_PY_ASYNC_AWAIT
+        if(comp->scope_cur->scope_flags & MP_SCOPE_FLAG_ASYNC) {
+            compile_syntax_error(comp, (mp_parse_node_t)pns, translate("'yield from' inside async function"));
+            return;
+        }
+#endif
         compile_node(comp, pns->nodes[0]);
         compile_yield_from(comp);
     } else {
@@ -2648,7 +2654,8 @@ STATIC void compile_atom_expr_await(compiler_t *comp, mp_parse_node_struct_t *pn
     }
     compile_require_async_context(comp, pns);
     compile_atom_expr_normal(comp, pns);
-    compile_yield_from(comp);
+
+    compile_await_object_method(comp, MP_QSTR___await__);
 }
 #endif
 
diff --git a/py/objgenerator.c b/py/objgenerator.c
index df421b60c..baa6a9849 100644
--- a/py/objgenerator.c
+++ b/py/objgenerator.c
@@ -225,6 +225,25 @@ STATIC mp_obj_t gen_instance_send(mp_obj_t self_in, mp_obj_t send_value) {
 
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(gen_instance_send_obj, gen_instance_send);
 
+#if MICROPY_PY_ASYNC_AWAIT
+STATIC mp_obj_t gen_instance_await(mp_obj_t self_in) {
+    mp_obj_gen_instance_t *self = MP_OBJ_TO_PTR(self_in);
+    if ( !self->coroutine_generator ) {
+        // Pretend like a generator does not have this coroutine behavior.
+        // Pay no attention to the dir() behind the curtain
+        nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_AttributeError,
+            translate("type object 'generator' has no attribute '__await__'")));
+    }
+    mp_obj_t ret = gen_resume_and_raise(self_in, mp_const_none, MP_OBJ_NULL);
+    if (ret == MP_OBJ_STOP_ITERATION) {
+        nlr_raise(mp_obj_new_exception(&mp_type_StopIteration));
+    } else {
+        return ret;
+    }
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_1(gen_instance_await_obj, gen_instance_await);
+#endif
+
 STATIC mp_obj_t gen_instance_close(mp_obj_t self_in);
 STATIC mp_obj_t gen_instance_throw(size_t n_args, const mp_obj_t *args) {
     mp_obj_t exc = (n_args == 2) ? args[1] : args[2];
@@ -280,6 +299,9 @@ STATIC const mp_rom_map_elem_t gen_instance_locals_dict_table[] = {
     #if MICROPY_PY_GENERATOR_PEND_THROW
     { MP_ROM_QSTR(MP_QSTR_pend_throw), MP_ROM_PTR(&gen_instance_pend_throw_obj) },
     #endif
+    #if MICROPY_PY_ASYNC_AWAIT
+    { MP_ROM_QSTR(MP_QSTR___await__), MP_ROM_PTR(&gen_instance_await_obj) },
+    #endif
 };
 
 STATIC MP_DEFINE_CONST_DICT(gen_instance_locals_dict, gen_instance_locals_dict_table);
-- 
cgit v1.2.3


From 5d96afc5c2e4b4b6aa265a96a3921ac71f036980 Mon Sep 17 00:00:00 2001
From: Kenny <3454741+WarriorOfWire@users.noreply.github.com>
Date: Sat, 10 Oct 2020 15:30:37 -0700
Subject: i do not know if this is needed but this is not the vm i use anymore

---
 py/compile.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/py/compile.c b/py/compile.c
index f19430298..da31846e2 100644
--- a/py/compile.c
+++ b/py/compile.c
@@ -2655,7 +2655,11 @@ STATIC void compile_atom_expr_await(compiler_t *comp, mp_parse_node_struct_t *pn
     compile_require_async_context(comp, pns);
     compile_atom_expr_normal(comp, pns);
 
-    compile_await_object_method(comp, MP_QSTR___await__);
+    
+    EMIT_ARG(load_method, MP_QSTR___await__, false);
+    EMIT_ARG(call_method, 0, 0, 0);
+    // EMIT_ARG(load_const_tok, MP_TOKEN_KW_NONE); // don't yield anything from an awaitable; only return the final result.
+    // EMIT_ARG(yield, MP_EMIT_YIELD_FROM);
 }
 #endif
 
-- 
cgit v1.2.3


From 98aa4b794346161e512d0fba913901021dd2cfbf Mon Sep 17 00:00:00 2001
From: Kenny <3454741+WarriorOfWire@users.noreply.github.com>
Date: Sat, 10 Oct 2020 23:39:32 -0700
Subject: update async tests with less upython workaround and more cpython
 compatibility

---
 py/compile.c                 | 12 ++++++++----
 py/objgenerator.c            |  8 ++------
 tests/basics/async_await2.py | 28 ++++++++++++++--------------
 tests/basics/async_for2.py   | 30 +++++++++++++++---------------
 tests/basics/async_with2.py  | 32 ++++++++++++++++----------------
 5 files changed, 55 insertions(+), 55 deletions(-)

diff --git a/py/compile.c b/py/compile.c
index da31846e2..45a586594 100644
--- a/py/compile.c
+++ b/py/compile.c
@@ -40,6 +40,8 @@
 
 #if MICROPY_ENABLE_COMPILER
 
+#define DEBUG_PRINT(...) mp_printf(&mp_plat_print __VA_OPT__(,) __VA_ARGS__)
+
 // TODO need to mangle __attr names
 
 #define INVALID_LABEL (0xffff)
@@ -853,7 +855,7 @@ STATIC void compile_decorated(compiler_t *comp, mp_parse_node_struct_t *pns) {
         mp_parse_node_struct_t *pns0 = (mp_parse_node_struct_t*)pns_body->nodes[0];
         body_name = compile_funcdef_helper(comp, pns0, emit_options);
         scope_t *fscope = (scope_t*)pns0->nodes[4];
-        fscope->scope_flags |= MP_SCOPE_FLAG_GENERATOR;
+        fscope->scope_flags |= MP_SCOPE_FLAG_GENERATOR | MP_SCOPE_FLAG_ASYNC;
     #endif
     } else {
         assert(MP_PARSE_NODE_STRUCT_KIND(pns_body) == PN_classdef); // should be
@@ -2655,11 +2657,13 @@ STATIC void compile_atom_expr_await(compiler_t *comp, mp_parse_node_struct_t *pn
     compile_require_async_context(comp, pns);
     compile_atom_expr_normal(comp, pns);
 
-    
+    // If it's an awaitable thing, need to reach for the __await__ method for the coroutine.
+    // async def functions' __await__ return themselves, which are able to receive a send(),
+    // while other types with custom __await__ implementations return async generators.
     EMIT_ARG(load_method, MP_QSTR___await__, false);
     EMIT_ARG(call_method, 0, 0, 0);
-    // EMIT_ARG(load_const_tok, MP_TOKEN_KW_NONE); // don't yield anything from an awaitable; only return the final result.
-    // EMIT_ARG(yield, MP_EMIT_YIELD_FROM);
+    EMIT_ARG(load_const_tok, MP_TOKEN_KW_NONE);
+    EMIT_ARG(yield, MP_EMIT_YIELD_FROM);
 }
 #endif
 
diff --git a/py/objgenerator.c b/py/objgenerator.c
index baa6a9849..5e651ac26 100644
--- a/py/objgenerator.c
+++ b/py/objgenerator.c
@@ -234,12 +234,8 @@ STATIC mp_obj_t gen_instance_await(mp_obj_t self_in) {
         nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_AttributeError,
             translate("type object 'generator' has no attribute '__await__'")));
     }
-    mp_obj_t ret = gen_resume_and_raise(self_in, mp_const_none, MP_OBJ_NULL);
-    if (ret == MP_OBJ_STOP_ITERATION) {
-        nlr_raise(mp_obj_new_exception(&mp_type_StopIteration));
-    } else {
-        return ret;
-    }
+    // You can directly call send on a coroutine generator or you can __await__ then send on the return of that.
+    return self;
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_1(gen_instance_await_obj, gen_instance_await);
 #endif
diff --git a/tests/basics/async_await2.py b/tests/basics/async_await2.py
index 7097ce85a..2c5015fb4 100644
--- a/tests/basics/async_await2.py
+++ b/tests/basics/async_await2.py
@@ -1,22 +1,22 @@
 # test await expression
 
-import sys
-if sys.implementation.name in ('micropython', 'circuitpython'):
-    # uPy allows normal generators to be awaitables
-    coroutine = lambda f: f
-else:
-    import types
-    coroutine = types.coroutine
+# uPy allows normal generators to be awaitables.
+# CircuitPython does not.
+# In CircuitPython you need to have an __await__ method on an awaitable like in CPython;
+#  and like in CPython, generators do not have __await__.
 
-@coroutine
-def wait(value):
-    print('wait value:', value)
-    msg = yield 'message from wait(%u)' % value
-    print('wait got back:', msg)
-    return 10
+class Awaitable:
+    def __init__(self, value):
+        self.value = value
+
+    def __await__(self):
+        print('wait value:', self.value)
+        msg = yield 'message from wait(%u)' % self.value
+        print('wait got back:', msg)
+        return 10
 
 async def f():
-    x = await wait(1)**2
+    x = await Awaitable(1)**2
     print('x =', x)
 
 coro = f()
diff --git a/tests/basics/async_for2.py b/tests/basics/async_for2.py
index add74dd38..d7b97cb38 100644
--- a/tests/basics/async_for2.py
+++ b/tests/basics/async_for2.py
@@ -1,19 +1,19 @@
 # test waiting within "async for" __anext__ function
 
-import sys
-if sys.implementation.name in ('micropython', 'circuitpython'):
-    # uPy allows normal generators to be awaitables
-    coroutine = lambda f: f
-else:
-    import types
-    coroutine = types.coroutine
-
-@coroutine
-def f(x):
-    print('f start:', x)
-    yield x + 1
-    yield x + 2
-    return x + 3
+# uPy allows normal generators to be awaitables.
+# CircuitPython does not.
+# In CircuitPython you need to have an __await__ method on an awaitable like in CPython;
+#  and like in CPython, generators do not have __await__.
+
+class Awaitable:
+    def __init__(self, x):
+        self.x = x
+
+    def __await__(self):
+        print('f start:', self.x)
+        yield self.x + 1
+        yield self.x + 2
+        return self.x + 3
 
 class ARange:
     def __init__(self, high):
@@ -27,7 +27,7 @@ class ARange:
 
     async def __anext__(self):
         print('anext')
-        print('f returned:', await f(20))
+        print('f returned:', await Awaitable(20))
         if self.cur < self.high:
             val = self.cur
             self.cur += 1
diff --git a/tests/basics/async_with2.py b/tests/basics/async_with2.py
index 5fb06ba60..2e9e9e5a7 100644
--- a/tests/basics/async_with2.py
+++ b/tests/basics/async_with2.py
@@ -1,32 +1,32 @@
 # test waiting within async with enter/exit functions
 
-import sys
-if sys.implementation.name in ('micropython', 'circuitpython'):
-    # uPy allows normal generators to be awaitables
-    coroutine = lambda f: f
-else:
-    import types
-    coroutine = types.coroutine
+# uPy allows normal generators to be awaitables.
+# CircuitPython does not.
+# In CircuitPython you need to have an __await__ method on an awaitable like in CPython;
+#  and like in CPython, generators do not have __await__.
 
-@coroutine
-def f(x):
-    print('f start:', x)
-    yield x + 1
-    yield x + 2
-    return x + 3
+class Awaitable:
+    def __init__(self, x):
+        self.x = x
+
+    def __await__(self):
+        print('f start:', self.x)
+        yield self.x + 1
+        yield self.x + 2
+        return self.x + 3
 
 class AContext:
     async def __aenter__(self):
         print('enter')
-        print('f returned:', await f(10))
+        print('f returned:', await Awaitable(10))
     async def __aexit__(self, exc_type, exc, tb):
         print('exit', exc_type, exc)
-        print('f returned:', await f(20))
+        print('f returned:', await Awaitable(20))
 
 async def coro():
     async with AContext():
         print('body start')
-        print('body f returned:', await f(30))
+        print('body f returned:', await Awaitable(30))
         print('body end')
 
 o = coro()
-- 
cgit v1.2.3


From 88db16a2c6c166f5b407b507efa8f56026996f9b Mon Sep 17 00:00:00 2001
From: Kenny <3454741+WarriorOfWire@users.noreply.github.com>
Date: Sat, 10 Oct 2020 23:50:12 -0700
Subject: add translations

---
 locale/circuitpython.pot | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
index 199f39c58..fc564feea 100644
--- a/locale/circuitpython.pot
+++ b/locale/circuitpython.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-10-06 13:26-0400\n"
+"POT-Creation-Date: 2020-10-10 23:49-0700\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -246,6 +246,10 @@ msgstr ""
 msgid "'return' outside function"
 msgstr ""
 
+#: py/compile.c
+msgid "'yield from' inside async function"
+msgstr ""
+
 #: py/compile.c
 msgid "'yield' outside function"
 msgstr ""
@@ -289,6 +293,7 @@ msgid "All I2C peripherals are in use"
 msgstr ""
 
 #: ports/atmel-samd/common-hal/canio/Listener.c
+#: ports/stm/common-hal/canio/Listener.c
 msgid "All RX FIFOs in use"
 msgstr ""
 
@@ -896,6 +901,7 @@ msgid "File exists"
 msgstr ""
 
 #: ports/atmel-samd/common-hal/canio/Listener.c
+#: ports/stm/common-hal/canio/Listener.c
 msgid "Filters too complex"
 msgstr ""
 
@@ -932,7 +938,8 @@ msgid "Group full"
 msgstr ""
 
 #: ports/mimxrt10xx/common-hal/busio/SPI.c ports/stm/common-hal/busio/I2C.c
-#: ports/stm/common-hal/busio/SPI.c ports/stm/common-hal/sdioio/SDCard.c
+#: ports/stm/common-hal/busio/SPI.c ports/stm/common-hal/canio/CAN.c
+#: ports/stm/common-hal/sdioio/SDCard.c
 msgid "Hardware busy, try alternative pins"
 msgstr ""
 
@@ -1002,7 +1009,8 @@ msgid "Invalid %q pin"
 msgstr ""
 
 #: ports/stm/common-hal/busio/I2C.c ports/stm/common-hal/busio/SPI.c
-#: ports/stm/common-hal/busio/UART.c ports/stm/common-hal/sdioio/SDCard.c
+#: ports/stm/common-hal/busio/UART.c ports/stm/common-hal/canio/CAN.c
+#: ports/stm/common-hal/sdioio/SDCard.c
 msgid "Invalid %q pin selection"
 msgstr ""
 
@@ -3426,6 +3434,10 @@ msgstr ""
 msgid "type object '%q' has no attribute '%q'"
 msgstr ""
 
+#: py/objgenerator.c
+msgid "type object 'generator' has no attribute '__await__'"
+msgstr ""
+
 #: py/objtype.c
 msgid "type takes 1 or 3 arguments"
 msgstr ""
-- 
cgit v1.2.3


From 3c46e3a6aab8895f19302c4fe165d61d30f1a45e Mon Sep 17 00:00:00 2001
From: Kenny <WarriorOfWire@users.noreply.github.com>
Date: Sun, 11 Oct 2020 08:16:36 -0700
Subject: Turn off async for circuitplayground express

Firmware too large
---
 ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk b/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk
index 81391b953..13ec9e861 100644
--- a/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/circuitplayground_express/mpconfigboard.mk
@@ -15,6 +15,7 @@ LONGINT_IMPL = MPZ
 CIRCUITPY_DISPLAYIO = 0
 CIRCUITPY_FREQUENCYIO = 0
 CIRCUITPY_I2CPERIPHERAL = 0
+MICROPY_PY_ASYNC_AWAIT = 0
 
 SUPEROPT_GC = 0
 CFLAGS_INLINE_LIMIT = 55
-- 
cgit v1.2.3


From 94beeabc515986e366de569e85d395ab2678ee3d Mon Sep 17 00:00:00 2001
From: Kenny <3454741+WarriorOfWire@users.noreply.github.com>
Date: Sun, 11 Oct 2020 22:42:21 -0700
Subject: remove unnecessary board configuration and address feedback

---
 ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.mk              | 1 -
 ports/atmel-samd/boards/arduino_mkrzero/mpconfigboard.mk              | 3 ---
 ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.mk          | 3 ---
 ports/atmel-samd/boards/arduino_zero/mpconfigboard.mk                 | 3 ---
 ports/atmel-samd/boards/bast_pro_mini_m0/mpconfigboard.mk             | 3 ---
 ports/atmel-samd/boards/catwan_usbstick/mpconfigboard.mk              | 3 ---
 ports/atmel-samd/boards/circuitbrains_basic_m0/mpconfigboard.mk       | 1 -
 ports/atmel-samd/boards/datum_distance/mpconfigboard.mk               | 3 ---
 ports/atmel-samd/boards/datum_imu/mpconfigboard.mk                    | 3 ---
 ports/atmel-samd/boards/datum_light/mpconfigboard.mk                  | 3 ---
 ports/atmel-samd/boards/datum_weather/mpconfigboard.mk                | 3 ---
 ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.mk         | 3 ---
 ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.mk             | 3 ---
 ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk             | 2 --
 ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk             | 2 --
 ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk                     | 1 -
 ports/atmel-samd/boards/pewpew10/mpconfigboard.mk                     | 3 ---
 ports/atmel-samd/boards/seeeduino_xiao/mpconfigboard.mk               | 3 ---
 ports/atmel-samd/boards/shirtty/mpconfigboard.mk                      | 3 ---
 .../atmel-samd/boards/sparkfun_qwiic_micro_no_flash/mpconfigboard.mk  | 3 ---
 ports/atmel-samd/boards/sparkfun_samd21_dev/mpconfigboard.mk          | 3 ---
 ports/atmel-samd/boards/sparkfun_samd21_mini/mpconfigboard.mk         | 3 ---
 ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk                   | 1 -
 ports/atmel-samd/boards/trinket_m0_haxpress/mpconfigboard.mk          | 1 -
 ports/atmel-samd/boards/uchip/mpconfigboard.mk                        | 1 -
 ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk                 | 3 ---
 ports/nrf/boards/pca10100/mpconfigboard.mk                            | 3 +--
 ports/nrf/boards/sparkfun_nrf52840_mini/mpconfigboard.mk              | 1 -
 py/circuitpy_mpconfig.mk                                              | 4 +---
 py/compile.c                                                          | 2 --
 30 files changed, 2 insertions(+), 72 deletions(-)

diff --git a/ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.mk b/ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.mk
index 2c0056847..d31d1f54a 100644
--- a/ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/arduino_mkr1300/mpconfigboard.mk
@@ -10,4 +10,3 @@ INTERNAL_FLASH_FILESYSTEM = 1
 LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 SUPEROPT_GC = 0
-MICROPY_PY_ASYNC_AWAIT = 0
diff --git a/ports/atmel-samd/boards/arduino_mkrzero/mpconfigboard.mk b/ports/atmel-samd/boards/arduino_mkrzero/mpconfigboard.mk
index 230bce4f2..7eb83a123 100644
--- a/ports/atmel-samd/boards/arduino_mkrzero/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/arduino_mkrzero/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.mk b/ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.mk
index 1d652737a..fd24edafa 100644
--- a/ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/arduino_nano_33_iot/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/arduino_zero/mpconfigboard.mk b/ports/atmel-samd/boards/arduino_zero/mpconfigboard.mk
index e4d0916fa..a5722c9ad 100644
--- a/ports/atmel-samd/boards/arduino_zero/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/arduino_zero/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/bast_pro_mini_m0/mpconfigboard.mk b/ports/atmel-samd/boards/bast_pro_mini_m0/mpconfigboard.mk
index 47a543450..055e6b19e 100644
--- a/ports/atmel-samd/boards/bast_pro_mini_m0/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/bast_pro_mini_m0/mpconfigboard.mk
@@ -9,6 +9,3 @@ CHIP_FAMILY = samd21
 INTERNAL_FLASH_FILESYSTEM = 1
 LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/catwan_usbstick/mpconfigboard.mk b/ports/atmel-samd/boards/catwan_usbstick/mpconfigboard.mk
index 201c9b142..892a5371e 100644
--- a/ports/atmel-samd/boards/catwan_usbstick/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/catwan_usbstick/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 CIRCUITPY_COUNTIO = 0
 CIRCUITPY_ROTARYIO = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/circuitbrains_basic_m0/mpconfigboard.mk b/ports/atmel-samd/boards/circuitbrains_basic_m0/mpconfigboard.mk
index fa437bf36..178258b6c 100755
--- a/ports/atmel-samd/boards/circuitbrains_basic_m0/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/circuitbrains_basic_m0/mpconfigboard.mk
@@ -34,4 +34,3 @@ RELEASE_NEEDS_CLEAN_BUILD = 1
 CFLAGS_INLINE_LIMIT = 35
 SUPEROPT_VM = 0
 endif
-
diff --git a/ports/atmel-samd/boards/datum_distance/mpconfigboard.mk b/ports/atmel-samd/boards/datum_distance/mpconfigboard.mk
index 365b935ee..ae05d32f2 100644
--- a/ports/atmel-samd/boards/datum_distance/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/datum_distance/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/datum_imu/mpconfigboard.mk b/ports/atmel-samd/boards/datum_imu/mpconfigboard.mk
index f5900c8f7..6fd05f403 100644
--- a/ports/atmel-samd/boards/datum_imu/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/datum_imu/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/datum_light/mpconfigboard.mk b/ports/atmel-samd/boards/datum_light/mpconfigboard.mk
index 3cefa856f..d42a7869d 100644
--- a/ports/atmel-samd/boards/datum_light/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/datum_light/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/datum_weather/mpconfigboard.mk b/ports/atmel-samd/boards/datum_weather/mpconfigboard.mk
index 1293a5aaa..d92cbc71b 100644
--- a/ports/atmel-samd/boards/datum_weather/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/datum_weather/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.mk
index 0f784be8a..143910318 100644
--- a/ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_adalogger/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.mk
index b53508570..69ebdfc23 100644
--- a/ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_basic/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk
index fe588b163..c33ab0740 100644
--- a/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_rfm69/mpconfigboard.mk
@@ -21,7 +21,6 @@ CIRCUITPY_SAMD = 0
 CIRCUITPY_USB_MIDI = 0
 CIRCUITPY_USB_HID = 0
 CIRCUITPY_TOUCHIO = 0
-MICROPY_PY_ASYNC_AWAIT = 0
 CFLAGS_INLINE_LIMIT = 35
 
 # Make more room.
@@ -30,4 +29,3 @@ SUPEROPT_GC = 0
 # Include these Python libraries in firmware.
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_RFM69
-
diff --git a/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk b/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk
index f2e27d1e2..49b0ef5e3 100644
--- a/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/feather_m0_rfm9x/mpconfigboard.mk
@@ -22,7 +22,6 @@ CIRCUITPY_SAMD = 0
 CIRCUITPY_USB_MIDI = 0
 CIRCUITPY_USB_HID = 0
 CIRCUITPY_TOUCHIO = 0
-MICROPY_PY_ASYNC_AWAIT = 0
 
 CFLAGS_INLINE_LIMIT = 35
 # Make more room.
@@ -31,4 +30,3 @@ SUPEROPT_GC = 0
 # Include these Python libraries in firmware.
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_RFM9x
-
diff --git a/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk b/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk
index 10705f280..e2604c89b 100644
--- a/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk
@@ -9,7 +9,6 @@ CHIP_FAMILY = samd21
 INTERNAL_FLASH_FILESYSTEM = 1
 LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
-MICROPY_PY_ASYNC_AWAIT = 0
 
 SUPEROPT_GC = 0
 
diff --git a/ports/atmel-samd/boards/pewpew10/mpconfigboard.mk b/ports/atmel-samd/boards/pewpew10/mpconfigboard.mk
index b5e1ce69a..1cc91a8df 100644
--- a/ports/atmel-samd/boards/pewpew10/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/pewpew10/mpconfigboard.mk
@@ -24,6 +24,3 @@ SUPEROPT_GC = 0
 FROZEN_MPY_DIRS += $(TOP)/frozen/pew-pewpew-standalone-10.x
 
 CFLAGS_BOARD = --param max-inline-insns-auto=15
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/seeeduino_xiao/mpconfigboard.mk b/ports/atmel-samd/boards/seeeduino_xiao/mpconfigboard.mk
index b89bee482..bedec87f4 100644
--- a/ports/atmel-samd/boards/seeeduino_xiao/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/seeeduino_xiao/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/shirtty/mpconfigboard.mk b/ports/atmel-samd/boards/shirtty/mpconfigboard.mk
index ed4960cd8..a04e09769 100644
--- a/ports/atmel-samd/boards/shirtty/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/shirtty/mpconfigboard.mk
@@ -13,6 +13,3 @@ CIRCUITPY_I2CPERIPHERAL = 1
 CIRCUITPY_TOUCHIO = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/sparkfun_qwiic_micro_no_flash/mpconfigboard.mk b/ports/atmel-samd/boards/sparkfun_qwiic_micro_no_flash/mpconfigboard.mk
index 18b057a18..22e2059a9 100644
--- a/ports/atmel-samd/boards/sparkfun_qwiic_micro_no_flash/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/sparkfun_qwiic_micro_no_flash/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 
 CIRCUITPY_FULL_BUILD = 0
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/sparkfun_samd21_dev/mpconfigboard.mk b/ports/atmel-samd/boards/sparkfun_samd21_dev/mpconfigboard.mk
index c97207b21..a2bd577cd 100644
--- a/ports/atmel-samd/boards/sparkfun_samd21_dev/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/sparkfun_samd21_dev/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/sparkfun_samd21_mini/mpconfigboard.mk b/ports/atmel-samd/boards/sparkfun_samd21_mini/mpconfigboard.mk
index d9bde8183..9460d0009 100644
--- a/ports/atmel-samd/boards/sparkfun_samd21_mini/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/sparkfun_samd21_mini/mpconfigboard.mk
@@ -11,6 +11,3 @@ LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
 
 SUPEROPT_GC = 0
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk b/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk
index a65c570c7..4cd50a030 100644
--- a/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk
@@ -9,7 +9,6 @@ CHIP_FAMILY = samd21
 INTERNAL_FLASH_FILESYSTEM = 1
 LONGINT_IMPL = NONE
 CIRCUITPY_FULL_BUILD = 0
-MICROPY_PY_ASYNC_AWAIT = 0
 
 SUPEROPT_GC = 0
 
diff --git a/ports/atmel-samd/boards/trinket_m0_haxpress/mpconfigboard.mk b/ports/atmel-samd/boards/trinket_m0_haxpress/mpconfigboard.mk
index 82d2768d8..7eda151f3 100644
--- a/ports/atmel-samd/boards/trinket_m0_haxpress/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/trinket_m0_haxpress/mpconfigboard.mk
@@ -35,4 +35,3 @@ RELEASE_NEEDS_CLEAN_BUILD = 1
 CFLAGS_INLINE_LIMIT = 35
 SUPEROPT_VM = 0
 endif
-
diff --git a/ports/atmel-samd/boards/uchip/mpconfigboard.mk b/ports/atmel-samd/boards/uchip/mpconfigboard.mk
index 7270effde..d08690a15 100644
--- a/ports/atmel-samd/boards/uchip/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/uchip/mpconfigboard.mk
@@ -14,4 +14,3 @@ CIRCUITPY_FULL_BUILD = 0
 CFLAGS_INLINE_LIMIT = 45
 
 SUPEROPT_GC = 0
-MICROPY_PY_ASYNC_AWAIT = 0
diff --git a/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk b/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk
index b08d36b59..9309fdce0 100644
--- a/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/xinabox_cs11/mpconfigboard.mk
@@ -28,6 +28,3 @@ CIRCUITPY_COUNTIO=0
 # Include these Python libraries in firmware.
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_BusDevice
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD
-
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/nrf/boards/pca10100/mpconfigboard.mk b/ports/nrf/boards/pca10100/mpconfigboard.mk
index 6a6ca72ce..86ba65454 100644
--- a/ports/nrf/boards/pca10100/mpconfigboard.mk
+++ b/ports/nrf/boards/pca10100/mpconfigboard.mk
@@ -24,10 +24,9 @@ CIRCUITPY_RTC = 1
 CIRCUITPY_SDCARDIO = 0
 CIRCUITPY_TOUCHIO = 0
 CIRCUITPY_ULAB = 0
+MICROPY_PY_ASYNC_AWAIT = 0
 
 SUPEROPT_GC = 0
 
 # Override optimization to keep binary small
 OPTIMIZATION_FLAGS = -Os
-MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/ports/nrf/boards/sparkfun_nrf52840_mini/mpconfigboard.mk b/ports/nrf/boards/sparkfun_nrf52840_mini/mpconfigboard.mk
index 7077766a3..eb28ef5ea 100644
--- a/ports/nrf/boards/sparkfun_nrf52840_mini/mpconfigboard.mk
+++ b/ports/nrf/boards/sparkfun_nrf52840_mini/mpconfigboard.mk
@@ -8,4 +8,3 @@ MCU_CHIP = nrf52840
 INTERNAL_FLASH_FILESYSTEM = 1
 
 MICROPY_PY_ASYNC_AWAIT = 0
-
diff --git a/py/circuitpy_mpconfig.mk b/py/circuitpy_mpconfig.mk
index ba75d29a5..91850448d 100644
--- a/py/circuitpy_mpconfig.mk
+++ b/py/circuitpy_mpconfig.mk
@@ -32,6 +32,7 @@
 CIRCUITPY_FULL_BUILD ?= 1
 CFLAGS += -DCIRCUITPY_FULL_BUILD=$(CIRCUITPY_FULL_BUILD)
 
+# async/await language keyword support
 MICROPY_PY_ASYNC_AWAIT ?= $(CIRCUITPY_FULL_BUILD)
 CFLAGS += -DMICROPY_PY_ASYNC_AWAIT=$(MICROPY_PY_ASYNC_AWAIT)
 
@@ -292,6 +293,3 @@ CFLAGS += -DCIRCUITPY_WIFI=$(CIRCUITPY_WIFI)
 # Enabled micropython.native decorator (experimental)
 CIRCUITPY_ENABLE_MPY_NATIVE ?= 0
 CFLAGS += -DCIRCUITPY_ENABLE_MPY_NATIVE=$(CIRCUITPY_ENABLE_MPY_NATIVE)
-
-# async/await language keyword support
-MICROPY_PY_ASYNC_AWAIT ?= $(CIRCUITPY_FULL_BUILD)
diff --git a/py/compile.c b/py/compile.c
index 45a586594..04bcf5bc1 100644
--- a/py/compile.c
+++ b/py/compile.c
@@ -40,8 +40,6 @@
 
 #if MICROPY_ENABLE_COMPILER
 
-#define DEBUG_PRINT(...) mp_printf(&mp_plat_print __VA_OPT__(,) __VA_ARGS__)
-
 // TODO need to mangle __attr names
 
 #define INVALID_LABEL (0xffff)
-- 
cgit v1.2.3


From 10badd93c3ce4d2cdf074fe03bf23f9e481aa03e Mon Sep 17 00:00:00 2001
From: Kenny <3454741+WarriorOfWire@users.noreply.github.com>
Date: Sun, 11 Oct 2020 22:52:27 -0700
Subject: leftover newlines

---
 ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk   | 1 -
 ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk | 1 -
 2 files changed, 2 deletions(-)

diff --git a/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk b/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk
index e2604c89b..0345417a9 100644
--- a/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/gemma_m0/mpconfigboard.mk
@@ -21,4 +21,3 @@ ifeq ($(TRANSLATION), de_DE)
 RELEASE_NEEDS_CLEAN_BUILD = 1
 CFLAGS_INLINE_LIMIT = 35
 endif
-
diff --git a/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk b/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk
index 4cd50a030..735d42297 100644
--- a/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/trinket_m0/mpconfigboard.mk
@@ -22,4 +22,3 @@ RELEASE_NEEDS_CLEAN_BUILD = 1
 CFLAGS_INLINE_LIMIT = 35
 SUPEROPT_VM = 0
 endif
-
-- 
cgit v1.2.3