Search found 59 matches

by skylin008
Fri Mar 20, 2020 6:53 am
Forum: Programs, Libraries and Tools
Topic: Btree error on openmv build
Replies: 3
Views: 147

Re: Btree error on openmv build

Thank you jimmo.Yes, I had pult the submodule. The arm-none-eabi-gcc version is: gcc version 7.3.1 20180622 (release) [ARM/embedded-7-branch revision 261907] (GNU Tools for Arm Embedded Processors 7-2018-q3-update)
by skylin008
Thu Mar 19, 2020 12:32 pm
Forum: Programs, Libraries and Tools
Topic: Btree error on openmv build
Replies: 3
Views: 147

Btree error on openmv build

Hello, everyone! I git clone the openmv source from https://github.com/openmv/openmv.git ,but when build,any erros as show: In file included from ../../extmod/modbtree.c:37:0: ../../lib/berkeley-db-1.xx/PORT/include/db.h:1:1: error: expected identifier or '(' before '.' token ../../include/db.h ^ In...
by skylin008
Tue Mar 10, 2020 2:34 am
Forum: Programs, Libraries and Tools
Topic: multi uart commuication via asyncio
Replies: 8
Views: 382

Re: multi uart commuication via asyncio

Hi, Pythoncoder! Thank you for your kindly reply. I have any issue: Whether I can put the image infomation to the queue and periodically reading from the queue to the uart. One Image frame is 640 bytes. Thanks!
by skylin008
Sun Mar 08, 2020 1:15 pm
Forum: Programs, Libraries and Tools
Topic: multi uart commuication via asyncio
Replies: 8
Views: 382

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´╝î 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: 143

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: 506

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: 454

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: 567

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: 567

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: 1554

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...