stm32 pwm signal
Hi guys,I would like to know how can I read PWM (duty cycle) generated from stm32?And how I can read Pwm generated from 1 stm32 send to another stm32?Sorry my bad englishTy
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SPI transfer using dma request from timer
Hi,I want to do SPI transfer every 1ms without wakeing up CPU.In one SPI transfer, I want to send 10 Half words.It was possible to send SPI every 1ms with dma.But I can transfer only a half word in one transfer. What should I do ?Best regards.(Below ...
STM32H7xx RTC accuracy problems
Have several boards with problems keeping time accurately. We calibrate each board in factory test, but some boards have very large errors in the 1 Hz calibration signal and very jittery frequency readings. To make it more interesting, when there i...
What is the max voltage on a G0 pin configure as output?
It's not clear from the datasheet under what conditions pins are 5V tolerant, or what the pins can tolerate when configured as output. I'd like to know 2 things:What is the max voltage on a pin (PB0) configured as open drain? I want to have it pulled...
BDMA_ChannelX_IRQHandler being entered with ISR == 0. (H750)
I'm a bit confused what ISR==0 means in a DMA IRQ handler. I can skip it but wonder if something is configured incorrectly. Is "ISR==0" an expected and valid case or do I need to delve into settings? No error code is set, I am funneling all BDMA ISRs...
When flashing code on STM32H7, blocks of 0s appear in reserved flash memory.
Hey everyone.In my project, I want to reserve some flash sectors to write data that I don't want erased when flashing new code on my processor.So I changed the .ld files to reserve my memory as follow :M7 files :STM32H755ZITX_FLASH.ld and STM32H755ZI...
how to clear the receive buffer of HAL_UART_Receive_IT
I'm using the HAL_UART_Receive_IT function on stm32f303re to recieve data. After each use I want to delete the content of the receive buffer so that the next data that will arrive will start at the first index of the array. Is there a function to del...
Resolved! PLL on B-U585I-IOT02A (STM32U585AI)
I'm using MSIS at 24 MHz for everything, like this: SET_BIT(RCC->CR, RCC_CR_MSISON); while (0 == (RCC->CR & RCC_CR_MSISRDY)); SET_BIT(RCC->ICSCR1, RCC_ICSCR1_MSIRGSEL); MODIFY_REG(RCC->ICSCR1, RCC_ICSCR1_MSISRANGE, RCC_ICSCR1_MSISRANGE...
Resolved! Use CAN in STM32F042F4: Can not config in CubeMX
I want to use CAN Bus in STM32F042F4 (TSSOP20). In the data sheet it says, CAN_RX on PA11 Pin 17, CAN_TX on PA12 Pin 18.When trying to configure in CubeMX, CAN function is greyed out and the pinout has not PA11 and PA12. Isn't it possible to use CAN ...
