[Microbit-Python] Repl not echoing back

[Naomi Ceder]

As I mentioned in an earlier post I've flashed 3 different hex files
already, one directly downloaded from Damien's site.
On Dec 13, 2015 4:20 AM, "Mark Schafer" <mschafer at wireframe.biz> wrote:

> Or someone could send you a hex file and you could try reflashing it by
> dropping it onto the folder and see if that works ?
>
> On 12/13/2015 10:23 PM, Nicholas H.Tollervey wrote:
>
> Folks,
>
> Poor old Mary micro:bit... my (wife) Mary is going to be heartbroken
> that her namesake has a bad case of the collywobbles.
>
> Here's what I suggest:
>
> * We "retire" Mary - can you post her back to me and I'll make sure it
> gets to Jonny at ARM who'll be interested in such hardware failures?
>
> * We "promote" one of the new boards heading in your direction to the
> world tour. Given this is a US based series of events I propose we name
> the new micro:bit in honour of the FLOTUS: "Michelle micro:bit". :-P
>
> * Naomi, can you write up how Mary got "sick" and ping me a PR for the
> website? I'll add a note to explain the appearance of Michelle and then
> we can let the tour continue.
>
> Sound like a plan?
>
> N.
>
> On 13/12/15 01:33, Naomi Ceder wrote:
>
> Hi Carol,
>
> I just tried picocom with exactly the same results - I'm still on
> yosemite, but getting the same behaviour on 5 terminal programs and two
> different OS's I'm going to say the issue is the device at this point.
>
> Cheers,
> Naomi
>
>
> On 12 December 2015 at 17:27, Carol Willing
> <willingc at willingconsulting.com <mailto:willingc at willingconsulting.com> <willingc at willingconsulting.com>>
> wrote:
>
>     Hi Naomi,
>
>     Perhaps a shot in the dark, did you try picocom?  picocom
>     /dev/ttyACM0 -b 115200  Replacing with the correct port. I've used
>     with the Mac Pro. I'm still running Yosemite. Are you on El Capitan?
>
>     You could try getting rid of any cruft of old USB /dev/tty files.
>
>
>     Damien, Does the microbit have a hard reset by pulling a GPIO pin low?
>
>
>
>     Naomi Ceder <mailto:naomi.ceder at gmail.com> <naomi.ceder at gmail.com>
>     December 11, 2015 at 7:37 PM
>     Hi everyone,
>
>     I'm having a very weird issue with Mary the micro:bit.
>
>     It had been working fine... until I was about to demo before the
>     Chicago Python group (ChiPy) last night.
>
>     Then suddenly the repl wouldn't work. That is, I could apparently
>     connect, I could type commands in, the LED on the microbit would
>     flash as normal, but nothing was echoed back. I could put scripts
>     on the flash and the would run normally, but after trying 3
>     different terminal programs (all of which had worked before),
>     still no joy.
>
>     Tonight I've been experimenting more and I can confirm that the
>     commands I'm entering do get to the microbit and are executed as
>     normal. Even arrowing up and tab completion are working normally,
>     but nothing gets sent back to my screen.
>
>     I've mainly kept the comm settings at what worked well before
>     115200, N-8-1 and I might add that I've used 2 or 3 different
>     versions of the firmware with the same reaction, two different USB
>     cables, a lot of swearing, and I'm sort of at wit's end.
>
>     Has anyone else encountered this? Is there something obvious that
>     I'm missing? Or something mysterious that I need to know? Or is it
>     just a wonky micro:bit. I honestly didn't do a thing to it from
>     when it worked fine until when it didn't, and it strikes me as a
>     bit odd that it will do everything as before, EXCEPT echo the
>     characters back to the terminal.
>
>     Halp?
>
>     Thanks,
>     Naomi
>
>
>     --
>     Naomi Ceder
>     https://plus.google.com/u/0/111396744045017339164/about
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> Naomi Cederhttps://plus.google.com/u/0/111396744045017339164/about
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