All Questions
5 questions
0
votes
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18
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SPI issue in arduino and STM32F4 connection
I wanted to play with SPI on STM32f4 nucleo (made it MASTER) and communicate with slave - arduino pro micro.
Idea is that whatever i type on serial terminal connected to nucleo is passed to arduino ...
- 101
0
votes
2
answers
167
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External SPI Flash Global Unprotect
I am using AT25DF041B SPI Serial Flash Memory with my application and I am confused about protection about sectors.
When I have read the datasheet it says there is a command for the global unprotect. ...
- 11
0
votes
1
answer
592
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How to best use SPI (master/slave)?
This is a follow/new insight regarding my previous question Messages for SPI protocol.
One idea from that question is to use the SS line to know a new message is being sent from the master to the ...
- 14k
0
votes
1
answer
452
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Why stm32 sends invalid data by spi?
Two boards: arduino nano and stmvldiscovery.
Boards are connected by spi interface. Arduino is master device. Stm32vldiscovery is slave device.
In the txBuf (transmit buffer) both board have the same ...
- 31
3
votes
3
answers
13k
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What is SPI Interrupt (SPIE) in SPI control register?
I have been trying to understand SPI Interrupt i.e. what does it do and why is it used ? Reading about it on the web has not helped me. Can some one please explain it in a simple terms ?
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