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Resolved! Mixing HAL and Direct Register Manipulation

Hello. I am writing a code to read ADC data from an AC voltage sensor. I used HAL to initialize ADC 1 and USART2 for checking the values in Putty. However, I would like to use direct register manipulation to send data to USART6 so that it can transmi...

How to use half precision floating variable

Posted on May 22, 2017 at 12:26Hello,I would like to use half precision floating variable in my project but i don't know how. I'm working on a NUCLEO-L073 board that embeds a cortex m0 STM32l073 MCU that does not have any FPU. I'm using the SW4STM32...

How to use Vrefint when Vref+ is tied to Vssa?

Hi,I wanted to use STM32H743 with TFBGA100 package in a new project. Unfortunately this package does not provide Vref+ pin and it is internally tied to Vssa. I don't understand what is the reference source for ADCs and DAC, can I use VREFBUF in hold ...

krom by Associate
  • 482 Views
  • 3 replies
  • 0 kudos

Resolved! STM32H7B3LIHQ and MX25LM51245GXDI00 OctoSPI flash problem.

Hi.I am using STM32H7B3LIHQ MCU, MX25LM51245GXDI00 OSPI flash, IS42S32800J-6BLI SDRAM and 24bit TFT screen. I used the schematic of the STM32H7B3I-EVAL (MB1331) board when creating the scheme. I wrote programs for FMC, OctoSPI and LTDC peripherals us...

Ekran görüntüsü 2024-05-31 160839.png Ekran görüntüsü 2024-05-31 155348.png Ekran görüntüsü 2024-05-31 155618.png
ABURM by Associate III
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  • 7 replies
  • 1 kudos

Resolved! STM32L4 Vbat ADC measurement incorrect

I'm using Vbat as a battery voltage monitor on an STM32L431.  Vref is the VDDA pin on this part, which is 3.3V.  In my test case, Vbat is also connected to the same 3.3V.Vbat reads a raw count of around 1044.  The internal divider is /3, so this come...

JBill.10 by Associate II
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  • 1 replies
  • 1 kudos

error: unknown type name 'SPI_HandleTypeDef'

Hi i encounter this error while compiling SPI1 at ST7735.h, i dont understand as this error 'SPI_HandleTypeDef' type was generated by .ioc in main.c already and i had call this statement in ST7735.h. Could anyone kindly help? error: unknown type name...