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# Makefile for Arduino based scketches
#
# Copyright 2020 Valerio Di Giampietro http://va.ler.io v@ler.io
# MIT License - see License.txt file
#
# This Makefile uses the arduino-cli, the Arduino command line interface
# and has been designed and tested to run on Linux, not on Windows.
# Probably it will run on a Mac, but it has not been tested.
#
# Please note that:
#
# 1. each sketch must reside in his own folder with this Makefile
#
# 2. the main make targets are:
# - all compiles and upload
# - compile compiles only
# - upload upload via serial port, compile if the binary file is
# not available
# - ota upload Over The Air, automatically find the device
# IP address using the IOT_NAME (device hostname)
# - clean clean the build directory
# - find find OTA updatable devices on the local subnet
# - requirements it the file "requirements.txt" exists it will
# install the libraries listed in this file
#
# default is "all"
#
# 3. it gets the name of the sketch using the wildcard make command;
# the name is *.ino; this means that you must have ONLY a file
# with .ino extension, otherwise this makefile will break. This
# also means that you can use this Makefile, almost unmodified,
# for any sketch as long as you keep a single .ino file in each
# folder
#
# 4. you can split your project in multiple files, if you wish,
# using a single .ino file and multiple .h files, that you can
# include in the .ino file with an '#include "myfile.h"'
# directive
#
# Optionally some environment variables can be set:
#
# FQBN Fully Qualified Board Name; if not set in the environment
# it will be assigned a value in this makefile
#
# SERIAL_DEV Serial device to upload the sketch; if not set in the
# environment it will be assigned:
# /dev/ttyUSB0 if it exists, or
# /dev/ttyACM0 if it exists, or
# unknown
#
# IOT_NAME Name of the IOT device; if not set in the environment
# it will be assigned a value in this makefile. This is
# very useful for OTA update, the device will be searched
# on the local subnet using this name
#
# OTA_PORT Port used by OTA update; if not set in the environment
# it will be assigned the default value of 8266 in this
# makefile
#
# OTA_PASS Password used for OTA update; if not set in the environment
# it will be assigned the default value of an empty string
#
# V verbose flag; can be 0 (quiet) or 1 (verbose); if not set
# in the environment it will be assigned a default value
# in this makefile
MAKE_DIR := $(PWD)
#
# ----- setup wor Wemos D1 mini -----
FQBN ?= esp8266:esp8266:espmxdevkit
IOT_NAME ?= mush
OTA_PORT ?= 8266
OTA_PASS ?=
# ----- setup for Arduino Uno
#FQBN ?= arduino:avr:uno
# ----- ---------------------
V ?= 0
VFLAG =
ifeq "$(V)" "1"
VFLAG =-v
endif
ifndef SERIAL_DEV
ifneq (,$(wildcard /dev/ttyUSB0))
SERIAL_DEV = /dev/ttyUSB0
else ifneq (,$(wildcard /dev/ttyACM0))
SERIAL_DEV = /dev/ttyACM0
else
SERIAL_DEV = unknown
endif
endif
BUILD_DIR != arduino-cli compile -b $(FQBN) --show-properties | sed -ne 's/^build.path=//p'
SRC := main.ino
HDRS := $(wildcard *.h)
BIN := $(BUILD_DIR)/main.ino.bin
ELF := $(BUILD_DIR)/main.ino.elf
$(info FQBN is [${FQBN}])
$(info IOT_NAME is [${IOT_NAME}])
$(info OTA_PORT is [${OTA_PORT}])
$(info OTA_PASS is [${OTA_PASS}])
$(info V is [${V}])
$(info VFLAG is [${VFLAG}])
$(info MAKE_DIR is [${MAKE_DIR}])
$(info BUILD_DIR is [${BUILD_DIR}])
$(info SRC is [${SRC}])
$(info HDRS is [${HDRS}])
$(info BIN is [${BIN}])
$(info SERIAL_DEV is [${SERIAL_DEV}])
all: $(ELF) upload
.PHONY: all
compile: $(ELF)
.PHONY: compile
$(ELF): $(SRC) $(HDRS)
arduino-cli compile -b $(FQBN) $(VFLAG)
@if which arduino-manifest.pl; \
then echo "---> Generating manifest.txt"; \
arduino-manifest.pl -b $(FQBN) $(SRC) $(HDRS) > manifest.txt; \
else echo "---> If you want to generate manifest.txt, listing used libraries and their versions,"; \
echo "---> please install arduino-manifest, see https://github.com/digiampietro/arduino-manifest"; \
fi
upload:
@if [ ! -c $(SERIAL_DEV) ] ; \
then echo "---> ERROR: Serial Device not available, please set the SERIAL_DEV environment variable" ; \
else echo "---> Uploading sketch\n"; \
arduino-cli upload -b $(FQBN) -p $(SERIAL_DEV) $(VFLAG); \
fi
PLAT_PATH != arduino-cli compile -b "$(FQBN)" --show-properties | grep '^runtime.platform.path' | awk -F= '{print $$2}'
PY_PATH != arduino-cli compile -b "$(FQBN)" --show-properties | grep '^runtime.tools.python3.path' | awk -F= '{print $$2}'
IOT_IP != getent ahostsv4 mush.local | (read ip _; echo $$ip)
ota:
"$(PY_PATH)/python3" "$(PLAT_PATH)/tools/espota.py" -i "$(IOT_IP)" -p "$(OTA_PORT)" --auth="$(OTA_PASS)" -f "$(BIN)"
clean:
@echo "---> Cleaning the build directory"
rm -rf build
find:
avahi-browse _arduino._tcp --resolve --parsable --terminate
requirements:
@if [ -e requirements.txt ]; \
then while read -r i ; do echo ; \
echo "---> Installing " '"'$$i'"' ; \
arduino-cli lib install "$$i" ; \
done < requirements.txt ; \
else echo "---> MISSING requirements.txt file"; \
fi
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