STM32 MCUs Products

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STM32L486 mcu used as Master SPI, Zigbee device as slave. What configuration of SSM and SSI should i be using?

I am going through an existing implementation, where my MCU's(STM32L486) SPI1 (PA4(NSS), PA5(SCK), PA6(MISO), PA7(MOSI) is used as master, the slave device is a zigbee stack.Currently the master's SSL is configured as Software managed, (SSM=1, SSI= ...

Interrupt Disable, ??/

Hellousing HAL libraries is it possible to disable for a short time an external interrupt pin ??I have had a look in the HAL GPIO files and can not see anything usefulJust want to disable while a trigger a debounce timer, there must be a way of just ...

JHERI by Senior
  • 979 Views
  • 3 replies
  • 1 kudos

Resolved! STM32F429 and Controlling a timer to control another timer that is a one shot to update the internal DAC.

I am trying to set up a timer go to a one shot timer that goes to the DAC update command (to output data that was written via DMA). I am little confused on how to set everything up. I want to set up timer 1 to go to timer 2 and timer 2 will be a one ...

Andrew C by Associate III
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  • 2 replies
  • 0 kudos

Resolved! How to read/write HTS221 over SPI1

Hello I am brand new to STM32F0xx chip set. I have on board HTS221 and need to read temperature and humidity over 3 wire SPI interface. Can anybody point me in the right direction. Maybe there is an example code on how to setup SPI1 for half duplex s...

Admir1 by Associate II
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  • 4 replies
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Resolved! ST-Link Utility bug in V4.2.0

I Previously used V4.0.0 (At least I think so) but sometime ago upgraded to V4.2.0. Now every second time I read a .hex from disk it crashes (having programmed the chip between file openings). The .hex is for a stm32H7 (doesn´t know if it makes a dif...