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Why does not work UART3 RX interrupt?

#define RXBUFFERSIZE 2 uint8_t aRxBuffer[RXBUFFERSIZE];static void MX_USART3_UART_Init(void) {   __HAL_RCC_USART3_CLK_ENABLE(); huart3.Instance = USART3; huart3.Init.BaudRate = 115200; huart3.Init.WordLength = UART_WORDLENGTH_8B; huart3.In...

St-Link/V2-1 Driver does not install on Win10 Laptop

I cant't figure this out. I had no problems installing and using the driver with a Nucleo board on my desktop. However, the installer keeps failing on my laptop. The installer asks for and I give it admin privileges. I tried to manually update the...

ADC Regular Conversion Interrupt Example

I can't get the STM32L07RZ-Nucleo ADC regular conversion interrupt example to work. I'm using the Keil MDK variant. I upload the program, start the debugger and put uwADCxConvertedValue into watch window #1The doc file says to connect a signal to P...

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...

NMeno by Associate II
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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...

3FTI by Associate III
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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...

RSime.17 by Associate
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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...