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Switch SPI Mode PCD

 
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Michael Starkloff



Joined: 22 Oct 2009
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Switch SPI Mode PCD
PostPosted: Tue Jan 05, 2010 4:46 am     Reply with quote
How can I change the SPI_Mode during MCU is running? Some Devices work with SPI_Mode_0 and some other Devices with SPI_Mode_1. I cannot change the first selected SPI_Mode.
FvM



Joined: 27 Aug 2008
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Location: Germany

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PostPosted: Tue Jan 05, 2010 8:07 am     Reply with quote
It's been said, that you have to disable the SPI interface before changing the mode or speed, but I didn't try.
Michael Starkloff



Joined: 22 Oct 2009
Posts: 2

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PostPosted: Tue Jan 05, 2010 8:18 am     Reply with quote
I tried this (setup_spi(SPI_SS_DISABLED) or setup_spi(0x8000)), but with no success. Is there another possibility to switch off the SPI interface and then change to another SPI Mode?

In older projects I used another PIC (PIC16F877) with the PCM Compiler there wasn't a problem by changing the SPI Mode.
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