In order to make the printf function accessible from other libraries, I create a retarget library where I call stdio and write my own implementation of _write function using UART peripheral. So when I want to use printf in another library. I add incl...
I'm trying to use RTT on an stm32L433 and it looks like it doesn't work when the device is in sleep mode (no output on the RTTViewer).my test code is a loop with a printf and a 2seconds sleep.when a debugger is attached, stepping through the code mak...
I am developing a fuel dispenser and it consists of five boards and the main control of the dispenser is CPU board and the fuel dispensing pulses comes from PULSER board and all the data input comes from KEYPAD board. All the boards are maintained a...
How fast is DMA on STM32H7 mcus? I didnt find any description on how many ticks takes one transaction. I linked DMA to a timer, transfer from memory to port. With system clock 480 MHz and timer DMA request frequency 40 MHz it doesnt seem to work fast...
I'm trying to use the idle line interrupt in combination with dma to send and receive data from the serial port to my STM32F417VG based board.I got as far as being able to send with dma successfuly and also reveive data via the idle line interrupt. T...
Hi everyone. It's my first time posting here. I'm learning how to program STM32, especifically an STM32F303RE Nucleo Board using HAL libraries. These are my resources to learn: Mastering STM32 from Carmine NovielloSTM32F303RE User Manual and Datashee...
there is maybe a mistake at the page 99 in the RM0090 Reference manual document: the bit area 12 is valid or not?
this may be little weird asking to the big guys. But I'm learning how to produce hard fault so as to debug it again using registers. Also I tried initializing np with NULL. but still no success/* USER CODE BEGIN Header */ /** **********************...
