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Keep getting HAL_Busy for my i2c device

Hello everyone i've been trying to use FMAMSDXX015WCSC3 force sensor. sensor address 0x28 and whenever i was trying to do IsDeviceReady function, its been always keep getting me HAL_Busy.HAL_StatusTypeDef status = HAL_I2C_IsDeviceReady(&hi2c2, 0x28 <...

SabTuna by Associate II
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  • 7 replies
  • 1 kudos

Resolved! Reading data by ADC using DMA is not working Poreperly

I am trying to read some data by ADC using DMA transfer method I configured the ADC   attached the code belowI cannot getting the ADC value in all buffer only  read the 3rd  buffer 1st and second buffer shows grabage value please help me i tried out ...

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Read a temperature sensor on a battery system

Hello everybody,Actually I'm working on a temperature sensor. This project works on battery (2 x 1.5 V alkaline).I would like to read the temperature in the room with an external analog sensor.But I don't understand how VrefIN works. Because my Vcc s...

JJoao.1 by Associate III
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  • 3 replies
  • 1 kudos

Resolved! PA7 pin voltage problem (STM32f767zi)

Hello, I would like to ask you to know how it is that the PA5 pin in OUTPUT (non-pullup and non-pulldown) delivers a voltage of only 2.6 V instead of 3.3 V like the others? Thanks in advance

STM32H743BI and SDRAM 32bit data bus

Hello Everyone ;we are new to STM32H7  ; we used before stm32f4 in many projects but STM32H7 we still new; so I am sorry to ask simple questions. We have designed our board based on STM32H743BI and SDRAM IS42R32160F-7. After a couple of weeks of tryi...

Resolved! How to use MX to avoid destroy of code

I downloaded Seeed-Studio LoRaWan-E5-Node, and all works fine till I use the MX component to set up microcontroller configuration (for example, set up LoraWAN or I2C). When I use the MX component and decide to generate code after changes to LoraWAN o...

markpow by Senior
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  • 5 replies
  • 1 kudos

Resolved! How to recover I2C in stm32 STM32H743 after an error or a locked state which can come due to a glitch or spike on the bus.

I am using the Nucleo-H743ZI2 board I wanted to know, how to recover I2C after an error or a locked state which can come due to a glitch or spike on the SDA or SCL line.There is no bit I could find to reset the i2c peripheral in the control register.

APand.8 by Associate
  • 6630 Views
  • 5 replies
  • 1 kudos