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Usart idle interrupt question

Hello,When I enable usart idle interrupt function on stm32g071rb, it fires the interrupt immediately even there is no communication on the bus.I debug use cubeide and IAR. The results are the same.When UE bit in USART_CR1set to 1, the IDLE bit in USA...

PZhou.1 by Associate II
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  • 6 replies
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STM32's SPI tries to receive 32 bits of data per 1 NSS.

STM32 and IC are connected by SPI.Tx is connected to SPI2, Rx is connected to SPI3, and communication is successful.However, since the IC outputs 1NSS per 32bits, the first 16bits can be received, but the latter 16bits are not.After receiving the fir...

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YHAN.1 by Associate II
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  • 5 replies
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Resolved! STM32F103C8 Trace: No Synchronization

Hello everyone, I hope you're well and safe. I'm working with the STM32F103C8T6(BluePill).ST-LINK V2 as programmer and hardware debugger. Keil µVision MDK-ARM V5.STM32CubeMX.I'm trying to debug a simple application with the printf() functionHere's t...

0693W000000W3vTQAS.png 0693W000000W3vOQAS.jpg 0693W000000W3wvQAC.png 0693W000000W3x0QAC.png

STM32F769i-DISCO and custom display

Hi,i would to ask for an advice. I am working on display for electric motorcycle. I have STM32F769i-DISCO and Winstar display WF50DSYA3MNN0. Display and kit are connected through converter board (40 pin to 60 pin). I am planning to develop UI through...

JPeča.1 by Associate III
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How to stop receiving UART data with DMA.

Hi allI'm triying using DMA to receive UART.But the number of UART data is depending on the situation.So I want to set a CNDTR register with margin.I was wondering that I can stop DMA before CNDTR is zero.When DMA Enable bit is cleared, it seem that ...

HYosh.2 by Associate II
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  • 6 replies
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Black Colour issue

working on STM32f429i discovery ,the only change in TFT driver .in discovery board use ILI9341 and in my case use ST7789v TFT driver else everything same as discovery board .when i write a text in black colour its showing properly but draw a image in...

Smaur.1 by Associate
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