How do I retrieve a timestamp from RTC with a button press?
I am looking for a way to save a timestamp from Real-Time-Clock (RTC) with a button press, save that, and store it somewhere. How can I do this?
Forum Posts
Resolved! RM0394 pdf issues
Posted on February 13, 2018 at 11:35Hi, just nitpicking here but still...The RM0394 (reference manual for STM32L4xxx) has a bad table of content, the entries go like this: 1, 2, 3, 4, 5, then restart 1, 2, 3, 4, 5, 6, 7, 8, then finally 1 2 3 ... as...
Alternate functions linked with PB6 pin in STM32G473VCT6
Hi,I'm using the STM32G473VCT6 and I'm confusing with alternate functions available in pin PB6. According to table 13 in datasheet it is possible to configure this pin as I2C1_SCL, but in table 12 this option doesn't exist. What is the correct option...
Resolved! Transconductance of an STM32F446RC
I need to know the Gm value of the STM32F446RC to determine the correct HSE crystal I can use with it.
When uploading a blink program to an STM32 MCU installed in a custom PCB, the LED turns on but it does not turn off.
I have a board with a STM32F103RET6 with many things, and a blue and green LED's connected to GPIO pins. To test if it works correctly I'm using STM32 cube IDE to upload a program that blinks the LED's, and the LED turns on but it does not turn off a...
What is pros/cons of using I-cache and D-cache in SPI communication ?
I am currently trying to implement Interrupt-based SPI communication. I was looking through the examples given by STM and came across a line that enables the above-said cache. I was wondering what advantages it confers?
STM32F405RG IWDG Behaviour
Hi all.Thanks in advance for taking the time to answer - much appreciated.Context:STM32F405RG running 3 tasks using CMSIS_OS v2. Using HAL.IWDG set to 10s.HAL_IWDG_Refresh() sprinkled throughout the 3 tasks and in idle task.Symptoms:IWDG resets MCU l...
Help with setting up SPI communication between 2 F767ZI Nucleo board in interrupt mode ?
Hi Guys, I am new to embedded programming. I am currently trying to transmit data between 2 Nucleo boards via SPI in interrupt Mode. The problem is I am getting gibberish data in my master mode Nucleo board and transmission stops in slave mode with a...
Resolved! STM32H7~PDM2PCM lib, hard fault occurs.
/* Includes ------------------------------------------------------------------*/ #include "main.h" #include "pdm2pcm.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ /* USER CODE...
Have you ever seen this marking scheme without "ST" in the first row? CAN it even be legitimate?
In normal times I would never thinking about buying from a no-name small Chinese seller, but I'm very desperate ATM
