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micropython/esp8266
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Paul Sokolovsky 43fecb0acb esp8266/modesp: Allow to compile out proprietary espconn stuff. 2015-12-30 15:53:51 +02:00
..
scripts esp8266: Add support for frozen modules 2015-05-06 22:04:20 +01:00
Makefile lib/utils/printf: Move from stmhal/ . 2015-11-10 18:58:58 +02:00
README.md Rename "Micro Python" to "MicroPython" in REPL, help, readme's and misc. 2015-10-12 00:06:25 +01:00
eagle.rom.addr.v6.ld esp8266: Update ROM address map to vendor SDK 0.9.5. 2015-01-31 00:36:41 +02:00
esp8266.ld esp8266: Put more code in irom0 section, to get it building again. 2015-10-20 22:59:31 +01:00
esp_mphal.c esp8266: Switch to standard mp_hal_ticks_ms() MPHAL function. 2015-10-29 19:40:05 +03:00
esp_mphal.h all: Add py/mphal.h and use it in all ports. 2015-10-31 19:14:30 +03:00
etshal.h esp8266: Enable setting CPU frequency to 160MHz 2015-05-28 21:28:29 +03:00
gccollect.c esp8266: Fix garbage collector by hard-coding stack end address. 2015-05-06 14:01:07 +01:00
gccollect.h esp8266: Fix garbage collector by hard-coding stack end address. 2015-05-06 14:01:07 +01:00
gchelper.s esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
main.c lib/utils: Add pyexec_frozen_module to load and execute frozen module. 2015-12-26 12:32:33 +00:00
makeimg.py esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
modesp.c esp8266/modesp: Allow to compile out proprietary espconn stuff. 2015-12-30 15:53:51 +02:00
modnetwork.c esp8266: mac() function belongs to network module per the latest API. 2015-12-27 10:03:32 +02:00
modpyb.c lib/pyexec: Move header pyexec.h from stmhal directory. 2015-11-09 13:13:09 +00:00
modpyb.h esp8266: Make pyb.RTC a type, and pyb.RTC() constructs an RTC object. 2015-06-22 23:03:17 +01:00
modpybadc.c all: Add py/mphal.h and use it in all ports. 2015-10-31 19:14:30 +03:00
modpybpin.c esp8266: Update to SDK version 1.1.0 (MIT-licensed). 2015-05-30 20:58:59 +03:00
modpybrtc.c all: Add py/mphal.h and use it in all ports. 2015-10-31 19:14:30 +03:00
modpybrtc.h esp8266: Add utime and pyb.RTC 2015-05-13 00:12:54 +01:00
moduos.c esp8266: Add uos module 2015-05-26 22:18:07 +03:00
modutime.c all: Add py/mphal.h and use it in all ports. 2015-10-31 19:14:30 +03:00
mpconfigport.h all: Add py/mphal.h and use it in all ports. 2015-10-31 19:14:30 +03:00
qstrdefsport.h esp8266: mac() function belongs to network module per the latest API. 2015-12-27 10:03:32 +02:00
strtoll.c esp8266: Change bignum from mpz to longlong; move some rodata to iram. 2014-11-28 14:58:25 +00:00
uart.c lib/pyexec: Move header pyexec.h from stmhal directory. 2015-11-09 13:13:09 +00:00
uart.h esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
uart_register.h esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
user_config.h esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
utils.c esp8266: Add esp.socket class, with ESP-style socket functionality. 2015-05-04 11:48:40 +01:00
utils.h esp8266: Add esp.socket class, with ESP-style socket functionality. 2015-05-04 11:48:40 +01:00

README.md

MicroPython port to ESP8266

This is a highly experimental port of MicroPython for the WiFi modules based on Espressif ESP8266 chip.

WARNING: The port is highly experimental and any APIs are subject to change.

Currently implemented features include:

  • REPL (Python prompt) over UART0.
  • 24k heap RAM available for Python code.
  • Garbage collector, exceptions.
  • Unicode support.
  • Builtin modules: gc, array, collections, io, struct, sys, esp, network.
  • C long-long type used as bignum implementation (gives 64 bit signed ints).
  • Rudimentary WiFi support in station mode.
  • Sockets with callbacks.
  • Basic GPIO support.

Note that floating-point numbers are not supported.

On the TODO list:

  • Full wifi support.
  • Internal filesystem using the flash.
  • ...

Build instructions

The tool chain required for the build is the OpenSource ESP SDK, which can be found at https://github.com/pfalcon/esp-open-sdk. Clone this repository and run make in its directory to build and install the SDK locally.

Then, to build MicroPython for the ESP8266, just run:

$ make

This should produce binary images in the build/ subdirectory. To flash them to your ESP8266, use:

$ make deploy

This will use the esptool.py script to download the images. You must have your ESP module in the bootloader, and connected to a serial port on your PC. The default serial port is /dev/ttyACM0. To specify another, use, eg:

$ make PORT=/dev/ttyUSB0 deploy

The images that are built are:

  • firmware.elf-0x00000.bin: to be flashed at 0x00000
  • firmware.elf-0x10000.bin: to be flashed at 0x10000

There is also a combined image, made up of the above 2 binary files with the appropriate padding:

  • firmware-combined.bin: to be flashed at 0x00000