diff options
| author | hhgarnes <hhgarnes@users.noreply.github.com> | 2015-06-01 23:58:58 +0200 |
|---|---|---|
| committer | Sudar <sudar@sudarmuthu.com> | 2015-06-02 12:18:12 +0530 |
| commit | 1dce271b53d68428bd15a06068b11fc4e0c724ee (patch) | |
| tree | 2eefe82e2ace4074a06056b613251bdf712fa033 /Arduino.mk | |
| parent | 7b11860ba8f590ceba1fa46dddf45d8d8b6d6c95 (diff) | |
Add option to split avrdude MCU from avr-gcc MCU
Fix #359
Diffstat (limited to 'Arduino.mk')
| -rw-r--r-- | Arduino.mk | 16 |
1 files changed, 14 insertions, 2 deletions
@@ -1282,13 +1282,22 @@ ifndef AVRDUDE_OPTS AVRDUDE_OPTS = -q -V endif -AVRDUDE_COM_OPTS = $(AVRDUDE_OPTS) -p $(MCU) +# Decouple the mcu between the compiler options (-mmcu) and the avrdude options (-p). +# This is needed to be able to compile for attiny84a but specify the upload mcu as attiny84. +# We default to picking the -mmcu flag, but you can override this by setting +# AVRDUDE_MCU in your makefile. +ifndef AVRDUDE_MCU + AVRDUDE_MCU = $(MCU) +endif + +AVRDUDE_COM_OPTS = $(AVRDUDE_OPTS) -p $(AVRDUDE_MCU) ifdef AVRDUDE_CONF AVRDUDE_COM_OPTS += -C $(AVRDUDE_CONF) endif # -D - Disable auto erase for flash memory -# (-D is needed for Mega boards. See https://github.com/sudar/Arduino-Makefile/issues/114#issuecomment-25011005) +# Note: -D is needed for Mega boards. +# (See https://github.com/sudar/Arduino-Makefile/issues/114#issuecomment-25011005) AVRDUDE_ARD_OPTS = -D -c $(AVRDUDE_ARD_PROGRAMMER) -b $(AVRDUDE_ARD_BAUDRATE) -P ifeq ($(CURRENT_OS), WINDOWS) # get_monitor_port checks to see if the monitor port exists, assuming it is @@ -1353,6 +1362,9 @@ ifndef AVRDUDE_ISP_FUSES_POST endif endif +# Note: setting -D to disable flash erase before programming may cause issues +# with some boards like attiny84a, making the program not "take", +# so we do not set it by default. AVRDUDE_ISP_OPTS = -c $(ISP_PROG) -b $(AVRDUDE_ISP_BAUDRATE) ifndef $(ISP_PORT) |