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-rw-r--r--src/arch/arduino-nano-168/Makefile.inc12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/arch/arduino-nano-168/Makefile.inc b/src/arch/arduino-nano-168/Makefile.inc
index 868af3b..3b72c4d 100644
--- a/src/arch/arduino-nano-168/Makefile.inc
+++ b/src/arch/arduino-nano-168/Makefile.inc
@@ -1,7 +1,7 @@
# vim:ft=make
MCU = atmega168
-PORT = /dev/ttyUSB0
+SERIAL_PORT ?= /dev/ttyUSB0
BAUD = 19200
cpu_freq ?= 16000000
@@ -90,24 +90,24 @@ build/system.hex: build/system.elf
${QUIET}${OBJCOPY} -O ihex ${@:.hex=.elf} $@
program: build/system.hex
- ${QUIET}avrdude -p ${MCU} -c arduino -P ${PORT} -b ${BAUD} -U flash:w:build/system.hex
+ ${QUIET}avrdude -p ${MCU} -c arduino -P ${SERIAL_PORT} -b ${BAUD} -U flash:w:build/system.hex
arch_clean:
${QUIET}rm -f ${OBJECTS} build/system.hex
monitor:
- ${QUIET}screen ${PORT} ${uart_baud}
+ ${QUIET}screen ${SERIAL_PORT} ${uart_baud}
arch_help:
@echo "arduino-nano specific flags:"
- @echo " PORT = ${PORT}"
- @echo " BAUD = ${BAUD} (only used for programming)"
+ @echo " SERIAL_PORT = ${SERIAL_PORT}"
+ @echo " BAUD = ${BAUD} (only used for programming)"
arch_info:
@echo "CPU Freq: ${cpu_freq} Hz"
@echo "Timer Freq: ${timer_freq} Hz"
@echo "I2C Freq: ${i2c_freq} Hz"
@echo "Counter Overflow: 65536/255"
- @echo "Monitor: ${PORT} ${uart_baud}"
+ @echo "Monitor: ${SERIAL_PORT} ${uart_baud}"
.PHONY: arch_clean arch_help arch_info monitor program