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Forum Posts

I2C on STM32L151CC dies intermittently

I have a tilt sensor KX112 connected to the STM32L151CC on I2C2. It seems to work fine but at times the I2C bus comes up as busy and the sensor cannot be read. Rebooting the board solves the problem for a while but it crops up again. I am running th...

PGogt by Associate III
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  • 7 replies
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STM32H7, Clock MX Functions to Cube(.ioc project creation)

I have working external clock source HSE system clock configuration, now wanted to change to HSI (internal clock).But simply changing to HSI will not fix all the Multipliers and dividers to get same frequency output. Is there way to import the System...

YSN by Senior
  • 543 Views
  • 2 replies
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STM32F411VE, Problems with SDcard unavailable while using SPI

HI,​I am using the STM32F411E-DISCO board.and, I'm going to read the image from SDcard and deliver it to FT800 by SPI.​The problems that have occurred are as follows.If I use SPI without SDIO, FT800 works normally.If I only use SDIO, I can read and w...

Slee.61 by Associate
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  • 2 replies
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Any Microchip KSZ example code for stm32h7 processor

We are working with KSZ8563 3 port ethernet switch over the RMII interface. Communication is MDIO and it is working. But we couldn't run the lwip udp example.Is there any sample software on KSZ Phys, so I will check the settings? Our controller is ST...

umtkyck by Associate II
  • 1780 Views
  • 3 replies
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Interrupts I2C

Good afternoon everyone!I hope you are well. I happen to be new to handling STM32 and I want to generate an interrupt with I2C, CAN ANYONE HELP ME WITH THAT?I just need to know what functions I need and how I generate the interrupt routine.I have a S...

JGóme.1 by Associate II
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  • 1 replies
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Resolved! Can you write values to the RTC counter registers(RTC_CNTL/RTC_CNTH) after you've set them to an intial value?

I've been trying to implement a clock and calendar into my solar tracker project(using an stm32f103) so that I can set at which time it should go to sleep ( and for how long) , but every time the board goes into standby the counter -unfortunately- ge...

HAbay.1 by Associate III
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  • 3 replies
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Resolved! ERROR common.c: addr too high

I am getting this error after I modify my linker script (which I got from a project created with CubeIde):$arm-none-eabi-objcopy -O binary Prog_test_H735.elf Prog_test_H735.bin$arm-none-eabi-size Prog_test_H735.elf  text     data      bss      dec  ...

ERhod.1 by Associate II
  • 1949 Views
  • 8 replies
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Resolved! Bootloader information discrepancy

Reference Manual for STM32H72xxx/73xxx (RM0468), section 2.6, says that the embedded bootloader can be accessed via I2C1, I2C2, I2C3, I2C4 and SPI1, SPI2, SPI3, SPI4, however AN2606 only lists I2C1, I2C2, I2C3 and SPI, SPI3 as the working I2C and SPI...

HWidj.2 by Associate III
  • 663 Views
  • 2 replies
  • 1 kudos

Error finishing flash operation

I have the following error when I was trying to debug using TrueStudio(v9.3.0).​The specific steps that caused the error are as follows.1. Connect STM32F100RB※1 to the PC.2. Launch TrueStudio(v9.3.0)3. make project 3.1 [File] -> [New] -> [C Projet] 3...

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Myasu.1 by Senior
  • 673 Views
  • 1 replies
  • 0 kudos