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install OpenSource ESP SDK, which can be found at https://github.com/pfalcon/esp-open-sdk
------------------
run make more than once

export path - export PATH=/home/toobs/esp-open-sdk/xtensa-lx106-elf/bin:$PATH



build micropyton - linux
--------------------------

after downloading the repo with:
	 git clone https://github.com/micropython/micropython.git

or update with 
	git pull origin master

run this to pull dependancies 
	git submodule update --init

then build in the esp8266 directory
	make axtls
	make axtls
	make


check in build directory to find bin
	sudo esptool.py -p /dev/ttyUSB0 --baud 460800 write_flash --flash_size=8m 0 firmware-combined.bin


Write the firmware
--------------------
- need esptool
	
	install esptool.py

	python /Users/Toobs/anaconda/lib/python2.7/site-packages/esptool.py -p /dev/cu.SLAB_USBtoUART --baud 460800 write_flash --flash_size=8m 0 ~/Downloads/firmware-combined.bin

	sudo esptool.py -p /dev/ttyUSB0 --baud 460800 write_flash --flash_size=8m 0 firmware-combined.bin


File transfer to board
----------------------
file from https://github.com/wendlers/mpfshell

	git clone https://github.com/wendlers/mpfshell.git
	sudo pip install pyserial
	sudo pip install colorama
	sudo python setup.py install


Simple build script for updating
-------------------

#!/bin/bash 

dmesg
read -p "Make sure ESP is connected. Press any key to continue... " -n1 -s

echo 'Lets update OpenSource ESP SDK, which can be found at https://github.com/pfalcon/esp-open-sdk'
cd esp-open-sdk
git pull origin
make
cd ..


echo 'Lets update MicroPython'
cd micropython
export PATH=/home/toobs/esp-open-sdk/xtensa-lx106-elf/bin:$PATH

echo 'Updating Repo'
git pull origin 

echo 'Adding deps'
git submodule update --init

echo 'entering esp8266 directory'
cd esp8266

echo 'making axtls'
make axtls

echo 'making micropython for esp8266'
make

echo 'uploading'
sudo esptool.py -p /dev/ttyUSB0 --baud 460800 write_flash --flash_size=8m 0 build/firmware-combined.bin