renaming PYBFLASH mount point from PyBoard code

[dhylands]

ok - preliminary support for multiple pyboards is now in rshell.

Currently, rshell will only initially connect to a single board at startup. You need to use the "connect serial port [baud]" command to connect to additional boards.

To determine the name, rshell executes the following on the board:

Code: Select all

    try:
        import board
        name = board.name
    except:
        name = 'pyboard'
    return repr(name)

so the simplest board.py file is just name = 'string'. If there are duplicate board names, the duplicate will be assigned a unique suffix (a dash followed by a number).

/flash will map to the first device. /board-name/flash will be the device named 'board-name' (whatever shows in the boards command).

Here's a sample session which shows the new commands (boards, connect, and repl with a board):

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2972 >rshell.py 
Welcome to rshell. Use Control-D to exit.
/home/dhylands> boards
moe @ /dev/ttyACM0
/home/dhylands> connect serial /dev/ttyACM1
/home/dhylands> boards
moe   @ /dev/ttyACM0
larry @ /dev/ttyACM1
/home/dhylands> cat /flash/board.py
name = 'moe'
/home/dhylands> cat /moe/flash/board.py
name = 'moe'
/home/dhylands> cat /larry/flash/board.py
name = 'larry'
/home/dhylands> repl moe
Entering REPL. Use Control-X to exit.

Micro Python v1.4.6-49-gfd38799-dirty on 2015-10-07; PYBv1.0 with STM32F405RG
Type "help()" for more information.
>>> 
>>> import board
>>> board.name
'moe'
>>> 
/home/dhylands> repl larry
Entering REPL. Use Control-X to exit.

MicroPython v1.4.6-91-g641f348-dirty on 2015-10-17; PYBv1.0 with STM32F405RG
Type "help()" for more information.
>>> 
>>> 
>>> import board
>>> board.name
'larry'
>>> 

[dhylands]

And I added autoscan.

So if you start rshell under linux, it will scan your connected USB devices and if they look like MicroPython boards, then it will connect to them.

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3004 >rshell.py 
Connecting to /dev/ttyACM0 ...
Connecting to /dev/ttyACM1 ...
Welcome to rshell. Use Control-D to exit.
/home/dhylands> boards
larry @ /dev/ttyACM0
moe   @ /dev/ttyACM1

[dhylands]

And now it will automatically dectect a micropython usb-serial connection, and disconnection.

And I made the serial handling more robust.