Search found 66 matches

by skylin008
Sun Mar 08, 2020 1:15 pm
Forum: Programs, Libraries and Tools
Topic: multi uart commuication via asyncio
Replies: 8
Views: 789

multi uart commuication via asyncio

Hi, everyone! I had 2 openmv boards and 1 pyboard.Now I want to pyboard read the image information from 2 openmv boards simultaneously, when it read two images finished , then donging some algorithm. Now it any issue: 1. How to know the Image transmited finish? 2.How to keep guarantee the image info...
by skylin008
Sun Feb 23, 2020 9:03 am
Forum: Programs, Libraries and Tools
Topic: openmv uasyncio AttributeError: 'module' object has no attribute 'deque'
Replies: 1
Views: 296

openmv uasyncio AttributeError: 'module' object has no attribute 'deque'

Hello everyone! I had One Openmv4,the firmware information is: MicroPython v1.11-omv OpenMV v3.5.1 2019-12-06; OPENMV4-STM32H743. I had accroding to the https://github.com/peterhinch/micropython-async/blob/master/TUTORIAL.md guide detail description doc and copy the file to uasyncio folder.But when ...
by skylin008
Mon May 20, 2019 6:15 am
Forum: Other Boards
Topic: STM32F401CCU6 SUPPORT
Replies: 3
Views: 661

STM32F401CCU6 SUPPORT

Hello everyone! Does microython can be support the stm32f401ccu6 chip , it has only 64k ram in chip.Thank you advance!
by skylin008
Thu Nov 22, 2018 10:04 am
Forum: MicroPython pyboard
Topic: pyboard SPI DMA
Replies: 1
Views: 554

pyboard SPI DMA

Hello every one! I had read the latest doc. from micropython.org. But can't understand and how to use the SPI DMA function in pyboard.Had any kindly advice to me. Thanks!
by skylin008
Fri Nov 16, 2018 1:51 am
Forum: MicroPython pyboard
Topic: How to fast read and write data to file?
Replies: 2
Views: 696

Re: How to fast read and write data to file?

@OutoftheBOTS_ Thanks ,I will be try.
by skylin008
Thu Nov 15, 2018 9:59 am
Forum: MicroPython pyboard
Topic: How to fast read and write data to file?
Replies: 2
Views: 696

How to fast read and write data to file?

Hello everyone. I had a pyboard with stm32f405 chip. I want to read data from SPI port and write to flash with file. I found it every slowly as below code.How to solve with it ? Thanks ! import pyb import time from pyb import Timer from pyb import Pin from time import sleep_us from time import sleep...
by skylin008
Sat Apr 28, 2018 7:52 am
Forum: MicroPython pyboard
Topic: How to build a firmware with _thread module?
Replies: 3
Views: 1717

Re: How to build a firmware with _thread module?

@ pythoncoder ,I had modified the py/mpconfig.h file #ifndef MICROPY_PY_THREAD #define MICROPY_PY_THREAD (1) #endif and ports/stm32/mpconfigport.h file #ifndef MICROPY_PY_THREAD #define MICROPY_PY_THREAD (1) #endif But when build make BOARD=PYBLITEV10 V=1 show as error information In file included f...
by skylin008
Fri Apr 27, 2018 9:29 am
Forum: MicroPython pyboard
Topic: pyblite no pybflash show in win10 pc
Replies: 0
Views: 423

pyblite no pybflash show in win10 pc

When I connected the PYBLITE board (the firmware version is V1.9.3 )to PC (the OS is win10), no PYBFLASH disk to show.But the serial port is normal.How to solve this issue.Thanks!
by skylin008
Thu Sep 21, 2017 3:20 am
Forum: MicroPython pyboard
Topic: The pyboard lite can support LIN BUS
Replies: 0
Views: 1068

The pyboard lite can support LIN BUS

Hello every one! Does the pyboard lite of stm32f411 can be support LINBUS? if yes,where can be download the driver,thank you very much!
by skylin008
Tue Aug 29, 2017 7:40 am
Forum: Other Boards
Topic: RANSAC algorithm to use the vanishing point detection
Replies: 1
Views: 1419

RANSAC algorithm to use the vanishing point detection

Hello,every one! Now I using the openmv3 board with stm32f7 mcu, I need to be used the RANSAC algorithm to detection the vanishing point.Follow the python script: import random def run_ransac(data, estimate, is_inlier, sample_size, goal_inliers, max_iterations, stop_at_goal=True, random_seed=None): ...