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IMPRECISERR error when decrementing Stack Pointer

Hello,I have a code snippet where I initialize PSP (stack pointer) to its very first location, and then manually fill the stack with some values as follows:  pTask = (uint32_t *)TASK1_STACK_START; //Stack Start location for Task1*pTask = (uint32_t) S...

Cant make http work on GSM sim7080

Connected to STM32F411CE I know this post is not fully related to STM32 but I am posting here as this forum is somewhat active so I can get some help. SIMCOM forums are pretty much dead. I am interfacing sim7080 with stm32, but for this test I am bas...

HZaib.1 by Associate III
  • 860 Views
  • 2 replies
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Resolved! Basic Schematic for STM32H755

Hello,I am working on a project to design an IO and motion controller board using STM32H755 mcu. Could you please review the attached basic schematic design for the mcu to avoid any design related issues that may arise later. +3.3V power is coming fr...

damha by Associate
  • 1356 Views
  • 2 replies
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STM32H7 USB HID Driver

Hello All,Greetings,This post is regarding USB in STM32H7 series. In my project STM32H743 is used as custom HID. My board is used in 5 different configurations(5 PID/Device).  I am using firmware package of STM32Cube_FW_H7_V1.10.0 as a reference driv...

KGane.1 by Associate III
  • 700 Views
  • 2 replies
  • 0 kudos

How does HSI48CAL get loaded into RCC_CRRCR

Hi ST Community,Does anyone know how the HSICAL48 value gets loaded into RCC_CRRCR? The RM says "These bits are initialized at startup with the factory-programmed HSI48 calibration trim value", so I assume the trim value is stored somewhere in system...

TKoja.2 by Associate II
  • 1020 Views
  • 5 replies
  • 1 kudos