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UART RX FIFO not working

I can’t seem to get the FIFO to work on the RX side. TX works fine.Seems as if the FIFO isn't used. If I interrupt on the "RX not empty" event and read the data, it works fine. But as soon as I want to interrupt on any FIFO event, I never get the int...

ROost.1 by Associate
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Data Collision between USART and SPI.

I my project I use UART 1 and 2 and SPI 1 and 2.When I send data via UART 1 using the function "HAL_UART_Transmit_IT (....)" and the second line in code I use the function "HAL_SPI_Transmit (....)" the data received from the UART 1 is incorrect, th...

DAvra by Associate II
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External Interrupt in STM32F103C8T6

I am using STM32F103C8T6(Blue Pill) with STM32IDE.> I am trying to learn external Interrupt. So as a reference i am using 3 main thing. # Reference Manual # DataSheat # Cortex™-M3 Devices Generic User Guide> I wrote a code for this. I made changes...

Resolved! STM32F4-Not seeing an I2C signal

Hi, I'm using an STM32F429 MCU and trying to connect to a sensor through I2C. However, I measured both I2C pins with an oscilloscope and they were not showing any clock pulse or a signal. Here's my code for initiation:void MX_I2C1_Init(void) { hi...

JYang.4 by Associate
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Let me know SPI communication in Register Level operation

Hi I am trying stm32f429zi discovery board for testing SPI communication​I've successed transmitting and receiving data on ADC chip​But I want know "How do these datas going so well?"​So I checked __HAL_SPI_TRANSMIT function​So I found that hspi->ins...

SKim.1761 by Associate III
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STM32G431 AN2606 discrepancy

The datasheet for the STM32G431 (DS12589 Rev 2) shows that the I2C3 peripheral is available on pins PC8 and PC9, but on page 206 of AN2606 Rev 42 it says that the bootloader is using PC6 and PC7 for I2C3. Since STM32CubeMX 5.5.0 agrees with the data...

galens by Associate II
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Cannot access memory of peripherals

Hello everyone,I am working with STM32H755ZI,, ARM GCC and J-Link GDB.Considering Reference Manual the H755ZI has following Memory Map (cutout):...0x40007C00 - 0x40007FFF UART8 0x40007800 - 0x40007BFF UART7 0x40007400 - 0x400077FF DAC10x40006C00 -...

MBos.1 by Associate II
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