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micropython/esp8266
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Bill Owens a66a99bfd8 esp8266: Added wifi_mode() to read and set WiFi operating mode. 2015-08-29 16:58:51 +03:00
..
scripts esp8266: Add support for frozen modules 2015-05-06 22:04:20 +01:00
Makefile esp8266: Allow to easily override programming baudrate. 2015-07-04 00:36:10 +03:00
README.md esp8266: README: Typo fix. 2015-06-19 21:09:53 +03:00
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: Update to SDK version 1.1.0 (MIT-licensed). 2015-05-30 20:58:59 +03:00
esp_mphal.c esp8266: Enable setting CPU frequency to 160MHz 2015-05-28 21:28:29 +03:00
esp_mphal.h esp8266: Fix lost chars problem when block-xfering data (e.g., when pasting). 2015-06-01 23:57:19 +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 esp8266: Move initialization to system_init_done_cb 2015-05-26 22:22:08 +03:00
makeimg.py esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
modesp.c esp8266: Added wifi_mode() to read and set WiFi operating mode. 2015-08-29 16:58:51 +03:00
modnetwork.c esp8266: Move status() from esp module to network 2015-06-20 23:35:55 +03:00
modpyb.c esp8266: Make pyb.RTC a type, and pyb.RTC() constructs an RTC object. 2015-06-22 23:03:17 +01:00
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 esp8266: Add pyb.ADC class 2015-05-28 21:31:37 +03:00
modpybpin.c esp8266: Update to SDK version 1.1.0 (MIT-licensed). 2015-05-30 20:58:59 +03:00
modpybrtc.c esp8266: Make pyb.RTC a type, and pyb.RTC() constructs an RTC object. 2015-06-22 23:03:17 +01:00
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 esp8266: Add utime and pyb.RTC 2015-05-13 00:12:54 +01:00
mpconfigport.h esp8266: Add skeleton "network" module. 2015-06-12 17:45:20 +03:00
qstrdefsport.h esp8266: Added wifi_mode() to read and set WiFi operating mode. 2015-08-29 16:58:51 +03:00
strtoll.c esp8266: Change bignum from mpz to longlong; move some rodata to iram. 2014-11-28 14:58:25 +00:00
uart.c esp8266: Fix lost chars problem when block-xfering data (e.g., when pasting). 2015-06-01 23:57:19 +03:00
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

Micro Python 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 Micro Python 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