README: Add usable build instructions
Put Marcel's online build server first, as this will be the go-to for new users. Note that they should build 'dev' not 'master'. Next, list the docker image which will build from your checked-out repository and possibly including your own changes. Finally, list the prerequisites if you want to build it all yourself, including the sequence of commands (same as the docker image uses). Signed-off-by: Nick Andrew <nick@nick-andrew.net>
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README.md
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README.md
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@ -204,6 +204,99 @@ cu:send("hello")
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end)
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```
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# Building the firmware
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There are several options for building the NodeMCU firmware.
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## Online firmware custom build
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Please try Marcel's [NodeMCU custom builds](http://frightanic.com/nodemcu-custom-build) cloud service and you can choose only the modules you need, and download the firmware once built.<br />
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NodeMCU custom builds can build from the master branch (0.9.6; deprecated) and dev
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branch (1.4.0).
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## Docker containerised build
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See https://hub.docker.com/r/asmaps/nodemcu-builder/
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This docker image includes the build toolchain and SDK. You just run the docker
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image with your checked-out NodeMCU firmware repository (this one). The docker
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image can also flash the firmware to your device.
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You will need to see BUILD OPTIONS below, to configure the firmware before building.
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## Build it yourself
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See BUILD OPTIONS below, to configure the firmware before building.
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### Minimum requirements:
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- unrar
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- GNU autoconf, automake, libtool
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- GNU gcc, g++, make
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- GNU flex, bison, gawk, sed
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- python, python-serial, libexpat-dev
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- srecord
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- The esp-open-sdk from https://github.com/pfalcon/esp-open-sdk.git
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### Build instructions:
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Assuming NodeMCU firmware is checked-out to /opt/nodemcu-firmware:
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```sh
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git clone --recursive https://github.com/pfalcon/esp-open-sdk.git /opt/esp-open-sdk
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cd /opt/esp-open-sdk
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make STANDALONE=y
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PATH=/opt/esp-open-sdk/xtensa-lx106-elf/bin:$PATH
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cd /opt/nodemcu-firmware
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make
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```
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# BUILD OPTIONS
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Disable modules you won't be using, to reduce firmware size on flash and
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free more RAM. The ESP8266 is quite limited in available RAM, and running
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out can cause a system panic.
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## Edit app/include/user_modules.h
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Comment-out the #define statement for unused modules.
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```c
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#define LUA_USE_BUILTIN_STRING // for string.xxx()
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#define LUA_USE_BUILTIN_TABLE // for table.xxx()
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#define LUA_USE_BUILTIN_COROUTINE // for coroutine.xxx()
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#define LUA_USE_BUILTIN_MATH // for math.xxx(), partially work
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// #define LUA_USE_BUILTIN_IO // for io.xxx(), partially work
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// #define LUA_USE_BUILTIN_OS // for os.xxx(), not work
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// #define LUA_USE_BUILTIN_DEBUG // for debug.xxx(), not work
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#define LUA_USE_MODULES
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#ifdef LUA_USE_MODULES
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#define LUA_USE_MODULES_NODE
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#define LUA_USE_MODULES_FILE
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#define LUA_USE_MODULES_GPIO
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#define LUA_USE_MODULES_WIFI
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#define LUA_USE_MODULES_NET
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#define LUA_USE_MODULES_PWM
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#define LUA_USE_MODULES_I2C
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#define LUA_USE_MODULES_SPI
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#define LUA_USE_MODULES_TMR
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#define LUA_USE_MODULES_ADC
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#define LUA_USE_MODULES_UART
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#define LUA_USE_MODULES_OW
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#define LUA_USE_MODULES_BIT
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#define LUA_USE_MODULES_MQTT
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// #define LUA_USE_MODULES_COAP
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#define LUA_USE_MODULES_U8G
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#define LUA_USE_MODULES_WS2812
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#define LUA_USE_MODULES_CJSON
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#endif /* LUA_USE_MODULES */
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```
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# GPIO NEW TABLE (Build 20141219 and later)
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<a id="new_gpio_map"></a>
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@ -238,46 +331,6 @@ cu:send("hello")
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</table>
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#### [*] D0(GPIO16) can only be used as gpio read/write. no interrupt supported. no pwm/i2c/ow supported.
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#Build option
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####file ./app/include/user_modules.h
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```c
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#define LUA_USE_BUILTIN_STRING // for string.xxx()
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#define LUA_USE_BUILTIN_TABLE // for table.xxx()
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#define LUA_USE_BUILTIN_COROUTINE // for coroutine.xxx()
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#define LUA_USE_BUILTIN_MATH // for math.xxx(), partially work
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// #define LUA_USE_BUILTIN_IO // for io.xxx(), partially work
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// #define LUA_USE_BUILTIN_OS // for os.xxx(), not work
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// #define LUA_USE_BUILTIN_DEBUG // for debug.xxx(), not work
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#define LUA_USE_MODULES
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#ifdef LUA_USE_MODULES
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#define LUA_USE_MODULES_NODE
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#define LUA_USE_MODULES_FILE
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#define LUA_USE_MODULES_GPIO
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#define LUA_USE_MODULES_WIFI
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#define LUA_USE_MODULES_NET
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#define LUA_USE_MODULES_PWM
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#define LUA_USE_MODULES_I2C
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#define LUA_USE_MODULES_SPI
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#define LUA_USE_MODULES_TMR
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#define LUA_USE_MODULES_ADC
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#define LUA_USE_MODULES_UART
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#define LUA_USE_MODULES_OW
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#define LUA_USE_MODULES_BIT
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#define LUA_USE_MODULES_MQTT
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// #define LUA_USE_MODULES_COAP
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#define LUA_USE_MODULES_U8G
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#define LUA_USE_MODULES_WS2812
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#define LUA_USE_MODULES_CJSON
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#endif /* LUA_USE_MODULES */
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```
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#Online firmware custom build
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For many application, some modules are not used, remove them can free many memory.<br />
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Please try Marcel's [NodeMCU custom builds](http://frightanic.com/nodemcu-custom-build) cloud service and you can get your own firmware.<br />
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#Flash the firmware
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nodemcu_latest.bin: 0x00000<br />
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@ -300,6 +353,7 @@ Victor Brutskiy's [Esplorer](https://github.com/4refr0nt/ESPlorer) support most
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####NodeMCU Studio
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[NodeMCU Studio](https://github.com/nodemcu/nodemcu-studio-csharp) is written in C# and support Windows. This software is opensource and can write lua files to filesystem.
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# OPTIONAL MODULES
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####Use DS18B20 module extends your esp8266
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```lua
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