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generate 1 byte, pasting 8 bits ( from an IR remote control)

 
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iseron



Joined: 21 Feb 2004
Posts: 12
Location: Santiago - Chile

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generate 1 byte, pasting 8 bits ( from an IR remote control)
PostPosted: Wed Jul 14, 2004 1:09 am     Reply with quote
Hi.

I lost my practice in programming and now i'm spending a lot of time in a relative "simply" thing.

Now i'm receiving pulses from infrared remote control (using the inexpensive IRM-8601s )

The problem:
I want to "paste" the receiving bits to build a 8 bits word.

Can anybody drop some code here, and help me out? :-)

Thanks in advance
Ignacio.
Haplo



Joined: 06 Sep 2003
Posts: 659
Location: Sydney, Australia

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PostPosted: Wed Jul 14, 2004 1:27 am     Reply with quote
Check the SHIFT_LEFT( ) function in the CCS manual. It also has a code example in the same page which does what you want.
iseron



Joined: 21 Feb 2004
Posts: 12
Location: Santiago - Chile

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it works! thanks
PostPosted: Wed Jul 14, 2004 11:28 am     Reply with quote
thanks! Surprised
rnielsen



Joined: 23 Sep 2003
Posts: 852
Location: Utah

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PostPosted: Wed Jul 14, 2004 1:16 pm     Reply with quote
You could make a loop to do that too:

Code:

word = incomming_bit & 0x01;// receive first bit
for(i = 0; i < 7; i++)
{  // now shift left 1 position and place the next bit in the LSB place
  word = word << 1 | (incomming_bit & 0x01);
}


or something like that. Simple and works fine.

Ronald
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