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Forum - MCS Electronics

SPI Soft Bit order

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StefanHamburg

Bascom Member

Joined: 02 Mar 2008
Posts: 73
Location: Germany

Posted: Mon Nov 10, 2014 10:05 am Post subject: SPI Soft Bit order

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Hello,
one question regarding the configuration for Soft-SPI:

In BASCOM-8051 the Help says

Quote:

CONFIG SPI = SOFT, DIN = PIN, DOUT = PIN , CS = PIN, CLK = PIN ,DATA ORDER = DO, NOCS =

Quote:

DATA ORDER

Use MSB or LSB. With MSB, MS bit will be sent first. LSB option will send the LS bit first.

whereas in BASCOM-AVR the Help says:

Quote:

Syntax for software SPI

CONFIG SPI|SPISOFT = SOFT, DIN = PIN, DOUT = PIN , SS = PIN|NONE, CLOCK = PIN , SPIIN=value , MODE=mode

How can I configure the Bitorder in BASCOM AVR for Soft-SPI?
(I understand that MODE is for configuring cpol and cpha)
Thank you
Regards
Stefan

(BASCOM-AVR version : 2.0.7.7 )

albertsm

Administrator

Joined: 09 Apr 2004
Posts: 5921
Location: Holland

Posted: Mon Nov 10, 2014 10:46 am Post subject:

hi Stefan The soft spi is MS bit first. And this is fixed. But if you require it,send me a private email and we can discuss it. _________________ Mark

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