sanandak / pybprop

loader to flash parallax propeller code using a pyboard

pybprop - flash a parallax inc., propeller (v.1 ) from a pyboard

For projects where a Parallax Inc. Propeller (http://www.parallax.com) and a pyboard are used together, flash an image (binary or eeprom) to the propeller from the pyboard.

Setup

1. First, create a binary or eeprom image

   • $(PROPIDE)/openspin prog.spin [-e]
   • -e: create a prog.eeprom image
   • otherwise: create a prog.binary image

2. copy to the pyboard (either copy to the mounted pyboard volume or use rshell)

3. run the repl (e.g., screen /dev/xxx 115200)

Usage

>> import loader
>> loader._action_get_version()
>> loader._action_upload(prog.binary, progress=print_status, terminal=True)

• if filename ends with .binary, load to RAM and run
• if filename ends with .eeprom, flash the eeprom and then run
• if progress=print_status, print debugging info. if progress=do_nothing, do not print debug messages
• if terminal=True echo messages from the prop to the terminal.

Hardware connections

The serial port and the prop reset port are hard coded at the top of the file loader.py

these are the defaults, but you can set them before calling loader._xxx

loader.UART_NUM = 4
loader.RESET_PIN = 'X3'

Notes

You must connect 4 lines: UART TX, UART RX, RESET and GND