All Questions
11 questions
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102
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UART only succesfull on first transmit
I have a STM32 NUCLEO-L031K6 board that I am trying to test some UART on.
Following this guide: https://wiki.st.com/stm32mcu/wiki/STM32StepByStep:Step3_Introduction_to_the_UART
I get TeraTerm to show &...
- 1
1
vote
3
answers
841
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Scoping the UART on a STM32 Nucleo
I have a Nucleo F446RE, which writes to UART which is handled by the built-in ST-Link over VCP on USB.
I'd like to be able to see the serial signals on my oscilloscope as well. There are two exposed ...
- 1,347
0
votes
1
answer
333
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How connect the STlink on NUCLEO f401RE to communicate with STM32F4 discovery?
I have this configuration of MCUs.
I need to know how connect the STlink on NUCLEO to discovery because I need the Virtual com PORT.
0
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0
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172
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"Textbook" example of UART doesn't work on stm32f756zg. HAL_UART_Transmit() returns HAL_BUSY
I want to send a message through uart5 of my nucleo board. I configured UART5 appropriately as per https://wiki.st.com/stm32mcu/wiki/Getting_started_with_UART .
Here is main():
...
- 1
0
votes
0
answers
710
views
Transmit large data through UART OR Ethernet
I followed the AN4666 to read data from GPIOC ports triggered by timer input capture mode and save into a large buffer of uint8 in size of (510000) arrays, all I want to do is to transmit the full ...
- 3
2
votes
3
answers
13k
views
Send Data With Usart STM32
I have to send data using the usart2 in my nucleo64 stm32f446re board.
The type of data I have to send is float but until now I always send uint8_t using this code;
...
- 25
0
votes
2
answers
973
views
STM32 UART send broken frames
I have a NUCLEO-F303RE board and try to send some data by one-wire UART with 57600 baudrate. But frames are sent broken (see images below):
How must to be:
What I get:
I've tried to use different ...
- 121
0
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0
answers
326
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STM32 NUCLEO-F302R8 UART : RX pin does not trigger RX callback
I'm using an STM32 NUCLEO-F302R8 and wish to communicate with it using any UART instance (1,2,3) through its RX/TX pins.
So far, I've managed to read from the TX pin but never managed to send messages ...
- 111
-2
votes
1
answer
3k
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STM32 Nucleo UART2 tx/rx pins wired to UART3 tx/rx pins [duplicate]
I am exploring UARTs on the STM32F103RB on a nucleo board. The board is connected via USB to my laptop, and I can send/receive messages using the ...
- 581
1
vote
1
answer
1k
views
STM32F4 USART not correctly configured
I'm trying to manually* configure a USART on a Nucleo F401RE to transmit over the USB virtual COM port, which means using USART2 on PA2 (TX) and PA3 (RX). Not only am I not receiving any characters, ...
- 514
2
votes
3
answers
2k
views
Uart Transmit every 1µs Interrupt StM32 NucleoF401-Re
I am using the STM32 Nucleo F401-RE and HAL libraries.
I would like to send value through UART to the PC console every 1µs interruption.
Actually I want every 1 µs interruption to increment a ...
