SHIFTOUT syntax question

basicstampede

Hello.··Does BS2 code

SHIFTOUT DQ, Clock, LSBFirst, [noparse][[/noparse]WrCfg, %10]

translate in SX/B to

SHIFTOUT DQ, Clock, LSBFirst, WrCfg
SHIFTOUT DQ, Clock, LSBFirst, %10

Thanks.·

Bean

Yeah just be aware that the second SHIFTOUT will send 8 bits, not just the two.

Bean.

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·

basicstampede

Thanks Bean. In BS2, does it send out only 2 bits for %10?

Zoot

Yes. On the Stamp, to set the number of BITS in a Shiftout:

SHIFTOUT DQ, Clock, LSBFirst, [noparse][[/noparse]%10\2] ' would only shift 2 bits
SHIFTOUT DQ, Clock, LSBFirst, [noparse][[/noparse]%10\4] ' would only shift 4 bits (zeros padded)

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basicstampede

In BS2, then, what does
SHIFTOUT DQ, Clock, LSBFirst, [noparse][[/noparse]WrCfg, %10] shift out?· (WrCfg is a Byte).

Does it shift out 8 bits of WrCfg, followed by 2 bits %10?

If it sends out 2 bits for BS2, how do I simulate this in SX/B?

I am trying to convert Stampworks 28 which has the BS2 statement above and I cannot find in datasheet why the BS2 sends out %10 for the DS1620 chip.

JonnyMac

SHIFTOUT in either language, PBASIC or SX/B, sends eight bits unless one specifies a bit count modifier; this is spelled out in both help files. Speaking of help files, there's a DS1620 program in the SX/B help file that should be helpful.

Post Edited (JonnyMac) : 10/2/2008 2:41:56 PM GMT

Zoot

I.E., in your example, the second BYTE sent would be:

%00000010

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