Comparators vs DWT
Hi guys,i just wanted to mention that there is a ****** in the header files.I am using an STM32G474:Just an example - stm32g474xx.h defines#define COMP3 ((COMP_TypeDef *) COMP3_BASE)And core_cm4.h uses __IOM uint32_t COMP3; ...
Forum Posts
Http client using lwip and freertos on stm32f746 discovery
Hi,I am trying to create a little http client that creates http get and/or post requests. The main goal of the application is to get weather information from a weather api. In college i learned a little bit of the raw api, but from what i read on th...
Linker script for ROM to RAM copying
I am writing a USB MSD bootloader for an STM32L4 processor with 2MB of Flash. The bootloader code will reside in Flash as will the application code. The application code will most likely be larger than 1MB so I’m thinking to have only a single bank. ...
LwIp Net Link Callback Hardfault
Hi everyone,I'm using LwIP with STM32F7 Discovery board. To catch plug ethnernet cable, tried to enable link callback. However, I alway get an following error is hardfault. Why do I get this error? I tried stack size but didn't work. Can it be bug ab...
Release bin file does not work while the debug bin file works
I have a bootloader that can copy a program bin file from the USB memory to the internal flash memory of STM32F429 and start the program. The bootloader doesn't care about the content of the bin file and just does the copying dutifully. The strange ...
UART Interrupt losses some data in reception!
Dear friends,I am trying to create a Master-Slave communication over RS485 interface which when ever a Master sends a message, the slave does the corresponding respond and there is no need to answer back to Master, just receive data and do whatever i...
USB CDC on F103C8T6 detected by PC but not working in any way - pClassData is always a null pointer
Hello.The device is correctly detected by the PC as a COM port and I can open the connection with some terminal. Although I can't send anything through it in any way.I've tried using CDC_Transmit_FS (from usbd_cdc_if.c) after waiting some time for th...
Read Protection For Stm32
I am using a stm32f4 processor, using the dual bank feature, I have a code that has the code update . In Code update mode, I can perform code update by performing Bank1 and Bank2 management over Ethernet, and when I restart the device, the system sta...
STM32F103 USB Packet Memory
Writing a USB Driver using a China manufactured "Blue Pill"I'm not using HAL or Cube.I wrote some code to test the USB cell and my understanding of how it works.I tested the USB's Packet memory which is 512 bytes organized as 256 words. The Applicat...
Update firmware from CAN (BOOT from CAN as IAP)
I am using stm32f072rbt6 (stm32f072 discovery board). I want to update the firmware from CAN as IAP (In Application Programming). Do we have any example code ? How to implement this? I have read the application note but I didn't get it.
