krishan prajapat
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interleave.h@0:984643af7d81, 2015-07-31 (annotated)
- Committer:
- krishanprajapat
- Date:
- Fri Jul 31 12:30:28 2015 +0000
- Revision:
- 0:984643af7d81
bro was working .......next step to reducr 2 sframes and eos to 1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
krishanprajapat | 0:984643af7d81 | 1 | void interleave( unsigned char *input, unsigned char *output ){ |
krishanprajapat | 0:984643af7d81 | 2 | |
krishanprajapat | 0:984643af7d81 | 3 | unsigned int outState = 0; |
krishanprajapat | 0:984643af7d81 | 4 | unsigned int outByte = 0; |
krishanprajapat | 0:984643af7d81 | 5 | |
krishanprajapat | 0:984643af7d81 | 6 | for( unsigned int i = 0 ; i < 36 ; ++i ){ |
krishanprajapat | 0:984643af7d81 | 7 | for(unsigned int j = 0 ; j < 30 ; ++j){ |
krishanprajapat | 0:984643af7d81 | 8 | unsigned int x = j*36+i; |
krishanprajapat | 0:984643af7d81 | 9 | unsigned char tempBit = ((input[x >> 3]) >> (7-(x % 8))) & 1; |
krishanprajapat | 0:984643af7d81 | 10 | switch(outState){ |
krishanprajapat | 0:984643af7d81 | 11 | case 0: |
krishanprajapat | 0:984643af7d81 | 12 | outState = 1; |
krishanprajapat | 0:984643af7d81 | 13 | output[outByte] = tempBit << 7; |
krishanprajapat | 0:984643af7d81 | 14 | break; |
krishanprajapat | 0:984643af7d81 | 15 | case 1: |
krishanprajapat | 0:984643af7d81 | 16 | outState = 2; |
krishanprajapat | 0:984643af7d81 | 17 | output[outByte] += tempBit << 6; |
krishanprajapat | 0:984643af7d81 | 18 | break; |
krishanprajapat | 0:984643af7d81 | 19 | case 2: |
krishanprajapat | 0:984643af7d81 | 20 | outState = 3; |
krishanprajapat | 0:984643af7d81 | 21 | output[outByte] += tempBit << 5; |
krishanprajapat | 0:984643af7d81 | 22 | break; |
krishanprajapat | 0:984643af7d81 | 23 | case 3: |
krishanprajapat | 0:984643af7d81 | 24 | outState = 4; |
krishanprajapat | 0:984643af7d81 | 25 | output[outByte] += tempBit << 4; |
krishanprajapat | 0:984643af7d81 | 26 | break; |
krishanprajapat | 0:984643af7d81 | 27 | case 4: |
krishanprajapat | 0:984643af7d81 | 28 | outState = 5; |
krishanprajapat | 0:984643af7d81 | 29 | output[outByte] += tempBit << 3; |
krishanprajapat | 0:984643af7d81 | 30 | break; |
krishanprajapat | 0:984643af7d81 | 31 | case 5: |
krishanprajapat | 0:984643af7d81 | 32 | outState = 6; |
krishanprajapat | 0:984643af7d81 | 33 | output[outByte] += tempBit << 2; |
krishanprajapat | 0:984643af7d81 | 34 | break; |
krishanprajapat | 0:984643af7d81 | 35 | case 6: |
krishanprajapat | 0:984643af7d81 | 36 | outState = 7; |
krishanprajapat | 0:984643af7d81 | 37 | output[outByte] += tempBit << 1; |
krishanprajapat | 0:984643af7d81 | 38 | break; |
krishanprajapat | 0:984643af7d81 | 39 | case 7: |
krishanprajapat | 0:984643af7d81 | 40 | outState = 0; |
krishanprajapat | 0:984643af7d81 | 41 | output[outByte] += tempBit; |
krishanprajapat | 0:984643af7d81 | 42 | ++outByte; |
krishanprajapat | 0:984643af7d81 | 43 | break; |
krishanprajapat | 0:984643af7d81 | 44 | } |
krishanprajapat | 0:984643af7d81 | 45 | } |
krishanprajapat | 0:984643af7d81 | 46 | for(unsigned int j = 0 ; j < 2 ; ++j){ |
krishanprajapat | 0:984643af7d81 | 47 | switch(outState){ |
krishanprajapat | 0:984643af7d81 | 48 | case 0: |
krishanprajapat | 0:984643af7d81 | 49 | output[outByte] = 0; |
krishanprajapat | 0:984643af7d81 | 50 | outState = 1; |
krishanprajapat | 0:984643af7d81 | 51 | break; |
krishanprajapat | 0:984643af7d81 | 52 | case 1: |
krishanprajapat | 0:984643af7d81 | 53 | outState = 2; |
krishanprajapat | 0:984643af7d81 | 54 | break; |
krishanprajapat | 0:984643af7d81 | 55 | case 2: |
krishanprajapat | 0:984643af7d81 | 56 | outState = 3; |
krishanprajapat | 0:984643af7d81 | 57 | break; |
krishanprajapat | 0:984643af7d81 | 58 | case 3: |
krishanprajapat | 0:984643af7d81 | 59 | outState = 4; |
krishanprajapat | 0:984643af7d81 | 60 | break; |
krishanprajapat | 0:984643af7d81 | 61 | case 4: |
krishanprajapat | 0:984643af7d81 | 62 | outState = 5; |
krishanprajapat | 0:984643af7d81 | 63 | break; |
krishanprajapat | 0:984643af7d81 | 64 | case 5: |
krishanprajapat | 0:984643af7d81 | 65 | outState = 6; |
krishanprajapat | 0:984643af7d81 | 66 | break; |
krishanprajapat | 0:984643af7d81 | 67 | case 6: |
krishanprajapat | 0:984643af7d81 | 68 | outState = 7; |
krishanprajapat | 0:984643af7d81 | 69 | break; |
krishanprajapat | 0:984643af7d81 | 70 | case 7: |
krishanprajapat | 0:984643af7d81 | 71 | outState = 0; |
krishanprajapat | 0:984643af7d81 | 72 | ++outByte; |
krishanprajapat | 0:984643af7d81 | 73 | break; |
krishanprajapat | 0:984643af7d81 | 74 | } |
krishanprajapat | 0:984643af7d81 | 75 | } |
krishanprajapat | 0:984643af7d81 | 76 | } |
krishanprajapat | 0:984643af7d81 | 77 | } |