15 lines
223 B
C
15 lines
223 B
C
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unsigned short icrc1(unsigned short crc, unsigned char onech)
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{
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int i;
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unsigned short ans=(crc ^ onech << 8);
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for (i=0;i<8;i++) {
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if (ans & 0x8000)
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ans = (ans <<= 1) ^ 4129;
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else
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ans <<= 1;
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}
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return ans;
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}
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