Ask questions, find answers, and share insights on STM32 products and their technical features.
High level: I'm looking to improve the performance of our application and I need to work out which methods are consuming CPU time.We have an application using NuttX as our RTOS running on STM32F777. The application is compiled with GCC using the Nut...
This page says:With a custom main() on Arduino:Call init() if you want to use things like millis(), micros(), and delay(), because that is where the hardware timers get initialized. This will also affect analogRead(), analogWrite(), and a few other t...
I am using Cool Term to print text to the USART.How can I make a new line?Now, it looks like this:TextTextText.....But I want it like this:TextTextText......
hello,in my application ill use an sd card, therefore im planning to use the internal sd card controller the stm32h743 suggested.i have some questions, hope you could answer.why the EVB uses a dedicated level shifter for sd card, cant you use simple ...
HI, i am using RS_485 as a serial communicator with modbus in stm32f103. But i am confused with TXEN pin used in Rs_485. i have read information it is used as transmitter and receiver . when transmitting the pin is set to high . while receiving...
I want to get one character at position x from the USART.Here is my current code:What do I have to do differently?char *getchar(int position){ char data[1]; data[0]=HAL_UART_Receive_IT(&huart2, data, 1); return data; }
Hi everyone,I have just created a project. I haven't done any modifications and I am getting this error when building the project:make: *** [makefile:44: nucleo-g474re-blinky.elf] Error 1 "make -j8 all" terminated with exit code 2. Build might be inc...
How to use HAL_FLASH_Program_IT? I set up: static void MX_NVIC_Init (void){ / * PVD_IRQn interrupt configuration * / HAL_NVIC_SetPriority (PVD_IRQn, 5, 0);HAL_NVIC_EnableIRQ (PVD_IRQn); } ...................... HAL_FLASH_Unlock (); // FLASH unlock fo...
Please note: what I am describing is my experimentation to try to figure out how all this works. Yes, there are likely things you wouldn't do in a real life situation, but I want to understand all the edge cases.Also note, I am not using a HAL or lib...
