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Paul Sokolovsky c6b8750c14 esp8266: Use dedicated heap allocated as static array. 
We cannot assume that all memory belongs to us - it actually belongs to
ESP8266 OS.
 		2015-01-15 00:36:03 +02:00
..
Makefile esp8266: Update for readline module moved to lib/. 2015-01-12 04:27:36 +02:00
README.md esp8266/README: Fix typos. 2014-12-06 13:34:18 +02:00
eagle.rom.addr.v6.ld esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
esp8266.ld esp8266: Move more rodata to irom section. 2014-11-29 14:36:18 +00:00
esp_mphal.c esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
esp_mphal.h esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
etshal.h esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
gccollect.c esp8266: Prefix includes with py/; remove need for -I../py. 2015-01-01 21:16:58 +00:00
gccollect.h esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
gchelper.s esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
main.c esp8266: Use dedicated heap allocated as static array. 2015-01-15 00:36:03 +02:00
makeimg.py esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
modpyb.c esp8266: Prefix includes with py/; remove need for -I../py. 2015-01-01 21:16:58 +00:00
mpconfigport.h py: Disable stack checking by default; enable on most ports. 2015-01-09 00:10:55 +00:00
pybstdio.c esp8266: Prefix includes with py/; remove need for -I../py. 2015-01-01 21:16:58 +00:00
pybstdio.h esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
qstrdefsport.h esp8266: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +00:00
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: New port of Micro Python to ESP8266 wifi module. 2014-11-27 20:30:33 +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

README.md

Micro Python port to ESP8266

This is a port of Micro Python to the Espressif ESP8266 wifi module.

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.
  • C long-long type used as bignum implementation (gives 64 signed ints).

Note that floating-point numbers are not supported.

On the TODO list:

  • Wifi support.
  • GPIO 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