Search found 86 matches

by Bingo600
Tue Mar 07, 2023 8:44 pm
Forum: General discussion
Topic: BlackPill V3.1 Bootmode wrong USB VID/PID
Replies: 19
Views: 3664

Re: BlackPill V3.1 Bootmode wrong USB VID/PID

GonzoG wrote: Sun Mar 05, 2023 6:40 pm @Bingo600
viewtopic.php?t=1680
Try using pull down resistor for PA10 pin.
Thnx ... Might try a 10K or higher (100K) to GND or VCC - Seems like it's just to keep it from floating during boot,
I's like to use the Uart too.
by Bingo600
Sun Mar 05, 2023 9:19 am
Forum: General discussion
Topic: BlackPill V3.1 Bootmode wrong USB VID/PID
Replies: 19
Views: 3664

Re: BlackPill V3.1 Bootmode wrong USB VID/PID

I just toyed around with a F401 Blackpill on linux, and initially i had issues getting into BootLoader mode. Press RST+BOOT0, then release RST , and then release BOOT0. Seemed strange, as i have done that many times on a F411 Blackpill. It was a F401 Blackpill just taken out of the "bag" -...
by Bingo600
Thu Jan 06, 2022 7:27 pm
Forum: General discussion
Topic: NTP, RTC and timezone
Replies: 7
Views: 3831

Re: NTP, RTC and timezone

Thanx for sharing
by Bingo600
Wed Apr 08, 2020 7:24 pm
Forum: Custom design boards
Topic: Bluepill F4 board, anyone still working on it?
Replies: 83
Views: 66498

Re: Bluepill F4 board, anyone still working on it?

Thanx ... Looks nice

Any timeframe for a "final" version

/Bingo
by Bingo600
Sun Mar 22, 2020 8:39 pm
Forum: General discussion
Topic: USB connection to STM32VLDISCOVERY
Replies: 2
Views: 2350

Re: USB connection to STM32VLDISCOVERY

Does the VLDISCO (F100) support USB at all ?

The USB plug on the board is for the onboard ST-Link-V1 debugger

/Bingo
by Bingo600
Wed Mar 04, 2020 7:37 pm
Forum: General discussion
Topic: STM32F103C8T6: Confirmation of counterfeiting by ST
Replies: 14
Views: 19806

Re: STM32F103C8T6: Confirmation of counterfeiting by ST

robca wrote: Sat Feb 29, 2020 11:08 pm Paypal offers "free return shipping" if you enable it for free on your account,
Any quick hint , how to enable the free return on a PP account ?

/Bingo
by Bingo600
Tue Jan 28, 2020 3:20 pm
Forum: General discussion
Topic: Regarding Impementation of CAN on STM32 discovery
Replies: 9
Views: 6776

Re: Regarding Impementation of CAN on STM32 discovery

i am using two stm32f407 and two mcp2515 and ide using is arduino and iwant to send one stm32f407 data another stm32 using can bus so help me out thank you!!! Afaik MCP2515 is a SPI driven Canbus controller. Doesn't the F407 have a built in canbus interface available ?? I'm quite sure there are Ard...
by Bingo600
Sun Jan 26, 2020 8:37 pm
Forum: General discussion
Topic: dhrystone and whetstone benchmarks
Replies: 93
Views: 64275

Re: dhrystone and whetstone benchmarks

Well this day went totally cortex + FPU :) But at lest i got BLACKPILL_F411CE implemented in the ST Core @96MHz + ART Enabled BPF411CE.png I ran my first program on my "Ali Black-F407" I got my DISCO-F407 dusted off And i learned a lot about the boards.txt & variants directories I'm of...
by Bingo600
Sun Jan 26, 2020 7:50 pm
Forum: General discussion
Topic: dhrystone and whetstone benchmarks
Replies: 93
Views: 64275

Re: dhrystone and whetstone benchmarks

What does this flag do ?? ST Core does not specify : -fsingle-precision-constant GenF4.build.flags.fp=-mfpu=fpv4-sp-d16 -mfloat-abi=hard F411 Built as cortex-m7 No -fsingle-precision-constant -O2 Fast N1 , slow N5 , slow MWIPS ########################################## Single Precision C Whetstone B...

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