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Resolved! Why are my uarts not working after rcc clock configuration?

Hi all,I got a strange issue. I'd like to use USART3 or UART5 on my STM32F446 chip. We have the chip on a pcb, so I am not talking about the nucleo board. The issue is when I do the system_clock_config(), the listed uarts does not work. void init() ...

NGros by Associate III
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  • 5 replies
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How to reduce jitter in SPI (register mode)

Hi all, I am using register mode SPI for communication purposes, clock is 210Mhzinterrupt is for every 4khzinitialized SPI with HAL formatSPI data rate: 35MBpswhen I send data through SPI I can find some jitter inside it. But when I drive the same si...

Roshan by Associate III
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  • 4 replies
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Resolved! [STM32F412] SPI issue with MAX7219

I am trying to transmit through SPI to a MAX7219 chip on my STM32F412G-Discovery board. The system clock is running at 100 MHz. I am using a level shifter to handle the 3.3V -> 5V voltage changing. I have used this IC on an arduino so I do know it wo...

MB.2 by Associate III
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  • 8 replies
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Program data on flash from PC

Hi, I have a simple code running on STM32L0 MCUs. I will need to change some data on their firmware on each board depending on some analog properties of another component.There is a practical way to program a portion of memory with some data after th...

GMont.4 by Associate II
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  • 5 replies
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Resolved! How to receive hex data from the terminal using UART?

I want to receive hex data from terminal like 0x66, 0x55, 0x44, 0x23, 0x11, 0xaa, 0xbb, 0xcc. Normally we can receive messages in string over UART. But I want to receive hex data instead of character or string from terminal. I am using stm32cubemx HA...

MAlam.2 by Associate II
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  • 6 replies
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