STM32 MCUs Products

i'm unable to write more than 15 characters in fatfs file system. how to configure for a 1kb file?

Using st-link of another nucleo board gives core is held in reset error

Hi,I have a nucleo L053r8 and a nucleo f401re boards. I want to use the st-link of the L053 board to load code and debug the f401 board. I removed jumpers from CN2 and connected the pins of CN4 connector of l053 board to the correct pins of the f401r...

Why can't i note use stm32L011 nucleo board when it is powered by an USB charger instead a PC USB

I want use to use a stm32L011 nucleo borad without a PC. Once the code is downloaded I want just supply the power of the nucleo board through the USB port with a single USB charger. When I did it, the nucleo board doesn't start the code. If I supply ...

How to begin with Murata Module and STM32 in general

Hi, I'm new in this world of ST. I have relative experience with Arduinos and LoRa, but now I want to do things with more resources. In particular, I am interested in the LoRa module from Murata and I bought the Discovery Kit B-L072Z-LRWAN1.What I as...

STM32F4xx HAL SPI 2Lines RxOnly Speed

I am reviewing the stm32f4xx_hal_spi.c to setup the SPI interface for Master mode DMA receive-only use. I notice the table showing that in this mode the maximum SPI frequency is Fpclk/64. I haven't bench tested this yet but was curious why this is so...

STM32F405 LL_InitTick seems to block SysTick.

in stm32f4xx_ll_utils.c__STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks){ /* Configure the SysTick to have interrupt in 1ms time base */ SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */ SysTi...

cannot read page 127 of flash memory stm32f103cb

hello evry body i have a prblm i can read page 31 : 0x0800 7C00 and write of flashbut adress 127 (page127) adress 0x0801 FC00i have a prblm it doesnt allow reading or writingeven my stm is stm 32f103cb medium flash is 128kb , i dont understand why it...

CAN Transmit timeout error

Posted on March 27, 2017 at 18:54Hi everyone, I�m using a STM32F103 with SW4STM32 and CubeMX and I`m struggeling with the CAN Communication. When I`ll try to transmit Data with HAL_CAN_Transmit then I get a timeout error. Like I read here in other t...

NVIC_SystemReset() hangs

Hi there,I've been working with a BT module and trying to use one of its pins to set the boot mode of the STM32F746IGT. I've set the pin HIGH and then issue the NVIC_SystemReset(), but nothing happens after that. I have a blue LED that is suppost to ...