Search found 160 matches

by rcolistete
Sun Nov 10, 2019 2:37 pm
Forum: General Discussion and Questions
Topic: littlefs - advantages & disadvantages
Replies: 8
Views: 223

Re: littlefs - advantages & disadvantages

Pycom MicroPython has LittleFS since firmware v1.19.x.
by rcolistete
Mon Nov 04, 2019 1:06 pm
Forum: Other Boards
Topic: New OpenMV board
Replies: 20
Views: 6797

Re: New OpenMV board

First news about OpenMV Cam H7 Plus : - STM32H743 main processor (seems to be the same used by OpenMV Cam H7 ); - 32 MB of SDRAM (x 1MB); - 32 MB of flash (x 2MB); - OV5640 camera module that is capable of taking 5MP images (x OV7725 camera with VGA 640x480 resolution); - more details later this mo...
by rcolistete
Mon Nov 04, 2019 12:03 am
Forum: ESP32 boards
Topic: [SOLVED]Cannot erase flash, ESP32
Replies: 15
Views: 300

Re: [SOLVED]Cannot erase flash, ESP32

Or create conda environments (install Anaconda).
by rcolistete
Sun Nov 03, 2019 12:28 am
Forum: General Discussion and Questions
Topic: Comparison of the three Pyboard D models?
Replies: 7
Views: 718

Re: Comparison of the three Pyboard D models?

Anybody has measured the maximum USB transfer speed of Pyboard D SF3W ?

Does it achieve near 400-480 Mbps ?
by rcolistete
Sat Nov 02, 2019 11:53 pm
Forum: Programs, Libraries and Tools
Topic: How to connect stm32 to wifi?
Replies: 6
Views: 197

Re: How to connect stm32 to wifi?

Pyboard D with WBUS DIP68 exposes a lot of pins (GPIO, etc), isn't it enough ???
by rcolistete
Tue Oct 29, 2019 5:51 pm
Forum: Pyboard D-series
Topic: Pyboard D double precision
Replies: 6
Views: 360

Re: Pyboard D double precision

Complementing the "Benchmark comparison of MicroPython boards" topic with SP/DP (Single/Double Precision) calculations : - hsquare.py (type Ia supernova calculation with float point for 50,000 points) , mean time for each calculation in us : * Pyboard D SF2W with MicroPython SP v1.11-499-gece4e21a5 ...
by rcolistete
Mon Oct 28, 2019 3:54 pm
Forum: Pyboard D-series
Topic: Pyboard D double precision
Replies: 6
Views: 360

Re: Pyboard D double precision

Thanks for your (jimmo and dpgeorge) prompt response : the fix is already merged into micropython:master.
by rcolistete
Mon Oct 28, 2019 12:38 am
Forum: Pyboard D-series
Topic: Pyboard D double precision
Replies: 6
Views: 360

Re: Pyboard D double precision

Changing "stm32/boards/PYBD_SF6/mpconfigboard.mk:MICROPY_FLOAT_IMPL = double" to have "single" value allows to compile the firmware for Pyboard D SF6W with FP32 (single precision). But changing "stm32/boards/PYBD_SF2/mpconfigboard.mk:MICROPY_FLOAT_IMPL = single" to have "double" value gives an error...