diff options
| author | Sudar <sudar@sudarmuthu.com> | 2012-07-15 13:25:45 +0530 |
|---|---|---|
| committer | Sudar <sudar@sudarmuthu.com> | 2012-07-15 13:25:45 +0530 |
| commit | eed8c52ffd4ce94ab44d40a8243e240fcd409d63 (patch) | |
| tree | 92d329a7fd7b89c2fa28edd965e5d79529e61fe9 /arduino-mk | |
| parent | 4dc74572654ed598caf017af476228eddc8fb7aa (diff) | |
Automatically read the BAUDRATE from sketch. Works only in linux for now
Diffstat (limited to 'arduino-mk')
| -rw-r--r-- | arduino-mk/Arduino.mk | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/arduino-mk/Arduino.mk b/arduino-mk/Arduino.mk index c362c96..4f312fa 100644 --- a/arduino-mk/Arduino.mk +++ b/arduino-mk/Arduino.mk @@ -102,6 +102,7 @@ # - Dump size at the end of the build (https://github.com/rpavlik/) # - Lots and lots of improvements (https://github.com/rpavlik/) # - Changed bytes option for the head shell command, so that it works in Mac as well +# - Auto detect Serial Baud rate from sketch if possible # ######################################################################## # @@ -238,7 +239,8 @@ # bindkey ^C kill # # If you want to change the baudrate, just set MONITOR_BAUDRATE. If you -# don't set it, it defaults to 9600 baud. +# don't set it, it tries to read from the sketch. If it couldn't read +# from the sketch, then it defaults to 9600 baud. # ######################################################################## # @@ -421,7 +423,19 @@ endif # for more information (search for 'character special device'). # ifndef MONITOR_BAUDRATE - MONITOR_BAUDRATE = 9600 + #This works only in linux. TODO: Port it to MAC OS also + SPEED = $(shell grep --max-count=1 --regexp="Serial.begin" $$(ls -1 *.ino) | sed -e 's/\/\/.*$$//g' -e 's/(/\t/' -e 's/)/\t/' | awk -F '\t' '{print $$2}' ) + MONITOR_BAUDRATE = $(findstring $(SPEED),300 1200 2400 4800 9600 14400 19200 28800 38400 57600 115200) + + ifeq ($(MONITOR_BAUDRATE),) + $(warning The monitor speed wasnt properly set. Set to 9600 by default) + $(shell sleep 1) + MONITOR_BAUDRATE = 9600 + else + $(call show_config_variable,MONITOR_BAUDRATE,[DETECTED], (in sketch)) + endif +else + $(call show_config_variable,MONITOR_BAUDRATE, [SPECIFIED]) endif ifndef MONITOR_CMD |