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how can i implement 3 I2C buses on a STM32 LO family. Although it has 3 these are split across AF6 and AF7 alternative pin mapping ?

Posted on January 22, 2018 at 14:39how can i implement 3 I2C buses on a STM32 LO family.looking at the data sheet for pin mapping this are mapped in to PB & PA buseswith alternative Mode does not allow all 3 to be expossed, as these are spread acros...

STEVAL-STLKT01V1 Sensor Tile connect to I2C device

Posted on January 21, 2018 at 21:54I have a STEVAL-STLKT01V1 Sensor Tile. I want to add additional sensing capabilities and was wondering how to add a peripheral that communicates over I2C? Are there any firmware examples of how to do this?#stm32l4-...

stm32H743 and usart2 problem

Posted on November 29, 2017 at 17:26Dear All,I have just ported the RTOS uKOS (http://www.ukos.ch) on the new stm32H743. Everything work fine at the exception of the usart2. I have strange situations with the interruptions, and as soon as I receive ...

Analog watchdog is not firing more than once

Posted on January 19, 2018 at 17:21Hi,i want to use the analog watchdog (ADC) on my STM32F4. I have an analog sensor attached to channel 1 of ADC1. I dont want to use CPU to make constant function calls to ADC, even with ADC interrupt mode i have to...

BSP LIBRARY IAR WORKBENCH STM32F303VC

Posted on January 22, 2018 at 14:00Good evening,I can't  import BSP library in IAR Workbench. I'm using stm32f303vc board and I'm followed this guide but i have always the same problem(https://community.st.com/docs/DOC-1500-how-to-add-a-bsp-on-top-o...

Symon by Associate II
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I2C to AT24C64

Posted on February 08, 2017 at 10:35i want to using External EEPROM via I2C on STM32F051R8T6.but i always get error when compile it.can someone tell me or help me ?

noval by Associate II
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[SOLVED] How to set up a GPIO interrupt on STM32L031

Posted on January 21, 2018 at 14:02Please can somebody point me to an example of setting up an interrupt and service routine for a GPIO input for an STM32L031? I have read UM1749 but it maybe it's because I'm not familiar with HAL (4 years of using ...

sm23 by Associate II
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I2S (in SPI): I2SDIV [7:0] = 1

Posted on January 22, 2018 at 10:57In RMs for 'F4/'F7/'F0 (I didn't check further), in SPIx_I2S prescaler register (SPIx_I2SPR) chapter, I2SDIV description, the following statement is given:I2SDIV [7:0] = 0 or I2SDIV [7:0] = 1 are forbidden values.H...

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