Stm32f429

13 replies
2995 views

Hi all

I'm want to send a string from one stm32 to another stm32 to blink an led on it I'm using uart polling method to do that.

The communication happens and led blinks only if I press the Reset button once I switch off and on power supply. What should be done if I want continuous communication.

This topic has been closed for replies.

Andrew NeilBest answer

Super User

Still lacking detail - that shows us nothing other than BOOT0 is connected to ground.

How about posting the code you have?

Use this button to properly post source code:

It opens up a window into which you copy & paste your code.

To get that extra row of icons, press this button:

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.

Andrew Neil

Super User

@harry123 wrote:
What should be done if I want continuous communication.

Put it in an endless loop

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.

Tesla DeLorean

Guru

is this a custom board? BOOT0 pulled Low?

Try to provide some more detail rather than symptom.

Tips, Buy me a coffee, or three.. PayPal Venmo (See Profile) Up vote any posts that you find helpful, it shows what's working..

H

harry123Author

Associate III

Yes it's a custom board and. Boot0 is pulled low.

Andrew NeilBest answer

Super User

Still lacking detail - that shows us nothing other than BOOT0 is connected to ground.

How about posting the code you have?

Use this button to properly post source code:

It opens up a window into which you copy & paste your code.

To get that extra row of icons, press this button:

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.

H

harry123Author

Associate III

Yes it works

Andrew Neil

Super User

So there must be something wrong with the reset arrangements in your hardware

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.