use bitbang SPI for DotStar; still need to fix hw SPI for dotstar

dhalbert · dhalbert · commit 7d04d9109e68 · 2019-10-25T15:37:27.000-04:00
diff --git a/ports/nrf/boards/itsybitsy_nrf52840_express/mpconfigboard.mk b/ports/nrf/boards/itsybitsy_nrf52840_express/mpconfigboard.mk
@@ -21,6 +21,9 @@ endif
 
 NRF_DEFINES += -DNRF52840_XXAA -DNRF52840
 
+# Don't use up a hardware SPI peripheral for the status DotStar: we only have two or three.
+CIRCUITPY_BITBANG_APA102 = 1
+
 QSPI_FLASH_FILESYSTEM = 1
 EXTERNAL_FLASH_DEVICE_COUNT = 1
 EXTERNAL_FLASH_DEVICES = "GD25Q16C"
