pwm.c: make it usable from non-atomic blocks

[bike-lights.git] / firmware / Makefile

diff --git a/firmware/Makefile b/firmware/Makefile
index 7be101de55a26584e8efee059befd18f0cc50db1..1b0113eab0835166c7648ed1dced01769b1b9228 100644 (file)
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -10,7 +10,7 @@ MCU=attiny861a
 AVRDUDE_MCU=attiny861
 AVRDUDE_PROGRAMMER=usbasp
 
-CFLAGS=-Wall -Os -mmcu=$(MCU) -DUSE_LOGGING=1 -DF_CPU=1000000UL
+CFLAGS=-Wall -Os -mmcu=$(MCU) -DUSE_LOGGING=1 -DF_CPU=1000000UL -std=gnu99
 LDFLAGS=
 AVRDUDE_FLAGS= -p$(AVRDUDE_MCU) -c $(AVRDUDE_PROGRAMMER)