Search found 83 matches

by bellad
Tue Sep 15, 2020 2:57 pm
Forum: Other Boards
Topic: [STM32F103] - Porting MicroPython to the "BluePill" board
Replies: 22
Views: 19879

Re: [STM32F103] - Porting MicroPython to the "BluePill" board

ok thank you,
according to you , what program can I use
i see basic https://github.com/Miskatino/miskatino-basic
What do you think ?
by bellad
Tue Sep 15, 2020 6:34 am
Forum: Other Boards
Topic: [STM32F103] - Porting MicroPython to the "BluePill" board
Replies: 22
Views: 19879

Re: [STM32F103] - Porting MicroPython to the "BluePill" board

Thank you dhylands , regrettably i not understand ( my english is very bad ) .
with your mini dfu , how can i program ?
i just need input / output pin ( 12 input , 14 output )
ex :

Code: Select all

if pin a1 == 1 :
   pin b1 == o 
etc...
thank you for your help
by bellad
Mon Sep 14, 2020 7:04 am
Forum: Other Boards
Topic: [STM32F103] - Porting MicroPython to the "BluePill" board
Replies: 22
Views: 19879

Re: [STM32F103] - Porting MicroPython to the "BluePill" board

hello,
the dfu file exist for 'blue pill' ?
if yes , which one to download on http://micropython.org/download/stm32/

thank you
by bellad
Thu Aug 27, 2020 12:12 pm
Forum: Other Boards
Topic: STM32F407VET6 lcd i2c
Replies: 1
Views: 299

Re: STM32F407VET6 lcd i2c

ok i found , with other

to serve :
https://github.com/dork3nergy/lcd_2004
by bellad
Wed Aug 26, 2020 1:03 pm
Forum: Other Boards
Topic: STM32F407VET6 lcd i2c
Replies: 1
Views: 299

STM32F407VET6 lcd i2c

i try adapt script for my stm32 but : lcd = I2cLcd(i2c, DEFAULT_I2C_ADDR, 2, 16) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "esp8266_i2c_lcd.py", line 52, in __init__ OSError: [Errno 19] ENODEV >>> print(i2c.scan()) [39] esp8266_i2c_lcd.py """Implements a HD44780 cha...
by bellad
Wed Aug 26, 2020 9:48 am
Forum: Other Boards
Topic: MCUDev Black STM32F407VET6 + STM32F407ZET6 dev boards
Replies: 162
Views: 92974

Re: MCUDev Black STM32F407VET6 + STM32F407ZET6 dev boards

oups , sorry , I just came back from holidays :D :D
by bellad
Wed Aug 26, 2020 9:27 am
Forum: Other Boards
Topic: MCUDev Black STM32F407VET6 + STM32F407ZET6 dev boards
Replies: 162
Views: 92974

Re: MCUDev Black STM32F407VET6 + STM32F407ZET6 dev boards

thank
but i not understand
howto install lcd_api and i2c_lcd on the stm32f407vet6 ?
i want use only carracters
by bellad
Wed Aug 26, 2020 9:06 am
Forum: Other Boards
Topic: MCUDev Black STM32F407VET6 + STM32F407ZET6 dev boards
Replies: 162
Views: 92974

Re: MCUDev Black STM32F407VET6 + STM32F407ZET6 dev boards

hello,
i want use lcd2004 ( 20 x4 ) with i2c ,
i do

Code: Select all

from machine import I2C, Pin
i2c = I2C(sda=Pin('B10'), scl=Pin('B11'))
print(i2c.scan())
it's ok [39]

but after ??
import ? ( i2c lcd )
I don't know
can you help me
thank you
by bellad
Tue Jun 23, 2020 8:03 am
Forum: Other Boards
Topic: MCUDev Black STM32F407VET6 + STM32F407ZET6 dev boards
Replies: 162
Views: 92974

Re: MCUDev Black STM32F407VET6 + STM32F407ZET6 dev boards

ok , thank , but it's same i have put STM32F4DISC-20200622-unstable-v1.12-557-g3a9d94803.dfu it's ok , except when i do CTRL-D no reset , he crashes when dfu-util -s :mass-erase:force -a 0 -d 0483:df11 -D BLACK_F407VE-20170620-v1.9.1-29-g1686346.dfu cannot open dfu 0483:df11 ok i have put driver zad...
by bellad
Mon Jun 22, 2020 7:26 am
Forum: Other Boards
Topic: MCUDev Black STM32F407VET6 + STM32F407ZET6 dev boards
Replies: 162
Views: 92974

Re: MCUDev Black STM32F407VET6 + STM32F407ZET6 dev boards

hello, i have put BLACK_F407VE-20170620-v1.9.1-29-g1686346.dfu on my card with dfusedemo with bt0-3.3v it's ok after bt0-gnd , i plug usb and unknown device d2 d3 toogle and after nothing i have not st-link , it's possible with usb ? how to switch to repl mode by usb ? for RPEL mode use usb J4 or rx...