STM32 MCUs Products

Touchgfx: I am displaying a double in a Text area but cannot get more than 6 decimal places

Hi,I am using a text area to display a precision timer output (double) and need 8 decimal places of precision. Thye best I can get is six:I have a wildcard buffer of twenty and the following code:/* Backend code */   typedef struct {   volatile uin...

Reading multiple channels of ADC with DMA STM32F40

I am working on an old code written by someone. The application requires reading 13 ADC channels roughly at 8k samples per second. The read values are written in two buffers in double buffer mode (4096 each).The ADC is implemented in scan mode with t...

Is it possible to use the Core General Purpose Registers R0...R12 as regular varibles?

I'm working with the STM32F446 microcontroller and sometimes I want to assign a peripheral register values from different variables in as few clock cycles as possible. I read in PM0214 https://www.st.com/resource/en/programming_manual/dm00046982-stm3...

SPI slave not always sending data

Hi,I'm using an STM32F429 Discovery board and having an issue with the FW_F4_V1.25.2 firmware. I have SPI3 configured as a full-duplex slave (currently used only to send) which sends data out to a Beaglebone as a Master. The Beagle supplies a 16MHz c...

mXT336T driver for stm32

I'm trying to write driver code for stm32 of maxtouch MXT336T chip starting from Linux driver found here https://github.com/atmel-maxtouch/mxt-appIs this path more efficient than rewriting the all driver starting from the datasheet?Any idea?Has someb...

Hello, In my project when program come to this "_HAL_UART_ENABLE_IT" ,hard_fault happened What is the problem ? or what are this code ? Are there anyone help me please?

STM32L151CBU6 Firmware Download problem

Hi, everyoneI, Currently STM32L151CBU6 is in use.The firmware uses a .HEX file,I am using the firmware download to change the boot mode.Now, firmware download through STM FlashLoader Demo.exe(2.8.0) works normally.However, STMFlashLoader.exe is used ...

Quectel GSM/GPRS AT Command

Anyone Have Example Code of Quectel GSM/GPRS AT Command using UART With STM32 ?If anyone have example code for the same please share with me Thank you in advance