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authorDan Halbert <halbert@halwitz.org>2019-03-21 11:22:58 -0400
committerDan Halbert <halbert@halwitz.org>2019-03-21 11:22:58 -0400
commitfe555a4098b422525d9f2edc1191ccfdb9b9718d (patch)
tree6a962d80d1187106bbe9ccf0f22f5022b0a11a80 /ports/nrf/mpconfigport.mk
parent26262cd4770a6b75a533807676ab3c38b228f009 (diff)
Allow NFC pins to be used for other purposes.
Diffstat (limited to 'ports/nrf/mpconfigport.mk')
-rw-r--r--ports/nrf/mpconfigport.mk5
1 files changed, 5 insertions, 0 deletions
diff --git a/ports/nrf/mpconfigport.mk b/ports/nrf/mpconfigport.mk
index 55c1734b9..badfb6735 100644
--- a/ports/nrf/mpconfigport.mk
+++ b/ports/nrf/mpconfigport.mk
@@ -27,3 +27,8 @@ CIRCUITPY_RTC = 0
# frequencyio not yet implemented
CIRCUITPY_FREQUENCYIO = 0
+
+# CircuitPython doesn't yet support NFC so force the NFC antenna pins to be GPIO.
+# See https://github.com/adafruit/circuitpython/issues/1300
+# Defined here because system_nrf52840.c doesn't #include any of our own include files.
+CFLAGS += -DCONFIG_NFCT_PINS_AS_GPIOS