Arduino for STM32

Hello, Using Arduino IDE 1.8.x and STM32 Core 2.1 with an STM32F411CEU6 Black Pill. I need to read an analog value from inside an Interrupt Service Routine that runs just once per second (the constraint is that the analog value must be read 2µs +/- 500ns after the interrupt itself). But I am using a...

Hi Renee, Andrew, I already have a Pi-4 with a GPS and RTC running as an NTP server for the time being, but I was looking for something better and more stable. What do you mean by "better and more stable" ? Take your time, I know coding this wont be an easy project. I was only kidding when...

Hi Renee, I am slowly climbing the learning curve for programming under FreeRTOS, which is a requirement for implementing either an NTP or a PTP server on the STM32F429. And I haven't got started on reviewing the Laureline NTP server code yet. As I suggested on the EEVblog, if all you need is a stri...

I am announcing my next STM32 project, the STM32 Open Time Server . This is a follow-up to my previous project, the STM32 GPSDO , which is also described in this forum. The STM32 GPSDO uses an STM32F411CEU6 "Black Pill" to synchronize a 10MHz OCXO (oven controlled crystal oscillator) with ...

No problem. I was just expecting that there would be many F411 users and that HID 2.2 was mature, proven and functional for F411 (and F401). i.e. members had built and used HID for months and years. David. FYI there is an entire section of this forum dedicated to discussing the HID bootloader. Unfo...

I suppose there are many ways to achieve that but I would suggest roughly the following: 1) download the stm32 binary to the ESP32 RAM using the WiFi connection. 2) Flash the STM32L432KC using SWD from the ESP32. Which means you have to connect four wires from the ESP32 to the STM32 and implement an...

And the bad news keep piling up: World’s Largest Chip Maker to Raise Prices, Threatening Costlier Electronics TSMC to increase prices of most advanced chips by roughly 10%; less advanced chips will cost about 20% more https://www.wsj.com/articles/worlds-largest-chip-maker-to-raise-prices-threatening...

... it appears that HID is nothing more than an "application installed by the manufacturer that detects KEY". Which gets destroyed as soon as you Upload your own program. David. Yes, WeAct installs an HID bootloader before shipping their "true" Black Pills. Black Pill clones (i....

My brand new WeAct V3.0 board arrived just now. BOOT0 + RST does not start STM32 Bootloader. Pressing KEY for 5 seconds does start STM32 Bootloader. That is because they ship from WeAct with a proprietary bootloader that reacts to the KEY button. You can still put them in DFU mode by following meth...

Both MCU and SOC maker board prices seem to have gone through the roof as of August 2021 and that is when you can get them at all! The CEO of STM Jean-Marc Chery has predicted that the disruption in chip supplies could last until mid-2023. https://www.reuters.com/technology/stmicros-average-chip-pri...