Search found 5956 matches

by pythoncoder
Fri Aug 26, 2016 6:18 am
Forum: ESP8266 boards
Topic: error on create file
Replies: 8
Views: 7409

Re: error on create file

Did you erase the flash before installing the firmware? This is the commonest reason for this issue.
by pythoncoder
Fri Aug 26, 2016 6:10 am
Forum: General Discussion and Questions
Topic: out of memory
Replies: 17
Views: 12584

Re: out of memory

Perhaps I'm not following you here, but I thought you were using frozen bytecode. If you put foo.py into your frozen directory, compile the firmware, and load it you can issue import foo from any of your modules and the frozen version will be found in preference to any other version regardless of th...
by pythoncoder
Fri Aug 26, 2016 5:57 am
Forum: ESP8266 boards
Topic: Invalid boot sector?
Replies: 8
Views: 7793

Re: Invalid boot sector?

There's also the issue of USB cable length. Short is good, to avoid excessive voltage drops!
by pythoncoder
Fri Aug 26, 2016 5:53 am
Forum: Development of MicroPython
Topic: Recommended Development Platform
Replies: 4
Views: 4744

Re: Recommended Development Platform

For what it's worth I have Debian 7 on my desktop boxes and Mint 17.1 on this laptop. I've also used a Debian 8.2VM for building ESP8266 images. All work fine for building firmware. I doubt you'll have any issues with a Debian based distro like Ubuntu.
by pythoncoder
Thu Aug 25, 2016 7:02 am
Forum: General Discussion and Questions
Topic: RFM65 radio with MicroPython
Replies: 13
Views: 11844

Re: RFM65 radio with MicroPython

No, I doubt there's any compatibility - I was merely pointing out that there is a proven and supported radio. But I can see why you might want to use the RFM65 for longer range. The really interesting radio technology is LoRa (in my opinion).
by pythoncoder
Wed Aug 24, 2016 9:39 am
Forum: General Discussion and Questions
Topic: RFM65 radio with MicroPython
Replies: 13
Views: 11844

Re: RFM65 radio with MicroPython

I assume you've seen the official library for the NRF24L01+. But the RFM65 should offer longer range.
by pythoncoder
Tue Aug 23, 2016 5:42 pm
Forum: ESP8266 boards
Topic: Cross Compiler only
Replies: 14
Views: 14722

Re: Cross Compiler only

My approach is to get the toolchain from here http://www.kaltpost.de/~wendlers/micropython/ and use it to compile the current source. This saves a load of hassle and disk space; nor any need to edit sourcefiles. You can then quickly produce and deploy a build with modules frozen as bytecode.
by pythoncoder
Tue Aug 23, 2016 5:37 pm
Forum: ESP8266 boards
Topic: REPL not working
Replies: 10
Views: 14413

Re: REPL not working

@dhylands It's a "generic ESP-07", not a Pyboard. I gather some of these have only 512KiB of flash: is this enough? That was why I suggested --verify to determine whether the flash had correctly loaded.
by pythoncoder
Tue Aug 23, 2016 10:29 am
Forum: ESP8266 boards
Topic: "Errno 16 resource busy"
Replies: 13
Views: 14908

Re: "Errno 16 resource busy"

Without wishing to engage in OS wars there's a clear benefit in using Linux if only in a VM or on a cheap box like a Raspberry Pi. It seems apparent that most hackers and makers use it, much of the testing has been done on it and you're more likely to find expertise you can draw on if you use it. Fo...
by pythoncoder
Tue Aug 23, 2016 10:19 am
Forum: ESP8266 boards
Topic: Socket behaviour: advice sought
Replies: 6
Views: 4947

Re: Socket behaviour: advice sought

... with WIFI, it will retry UDP packets until the AP acknowledges reception, so UDP over WiFi is better than "best-effort"... Thanks for that. When you say "it will retry UDP packets" the "it" is presumably the ESP8266 'OS'. Its behaviour appears to imply that it achieves this by buffering data; w...