1 |
33 |
quickwayne |
#pragma argsused
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2 |
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/*
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3 |
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Only encoder
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4 |
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This version works correctly, it is tested with testcase.jpg
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5 |
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The translation into real huffman codes works.
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6 |
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Changed: If huffman wants to send 0xFFxx (FF in one byte) than there must be 0x00 inserted between FF and xx
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possible fault in finish send:
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-must it be filled up with zeros? YES
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9 |
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-must it be filled up to one bye? or 2 byte? --> in this code there is filled up to 2 bytes, but I (joris) thinks this must be filled up to 1 byte.
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10 |
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still dont know
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11 |
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- 24-11-05 code clean up
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- 24-11-05 tables added for color
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15 |
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16 |
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Block numbers:
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Y = 0
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18 |
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cb =1
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cr= 2
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20 |
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*/
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//---------------------------------------------------------------------------
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#pragma hdrstop
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#include <stdio.h>
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#ifdef __MICROBLAZE
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#include "xup2pro.h"
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#endif
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//===========================================================================
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void PrintMatrix(char* pixelmatrix)
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{
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int i;
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// printf("MATRIX= \n");
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// for (i=0;i<64;i++) printf("%d |",pixelmatrix[i]);
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// printf("\n");
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}
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//===========================================================================
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void FillMatrix( char* pixelmatrix,int select)
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{
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int i;
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if (select== 0)
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40 |
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{
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for (i=0;i<64;i++) pixelmatrix[i]=0;
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pixelmatrix[0]=6;
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pixelmatrix[1]=-4;
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pixelmatrix[2]=15;
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pixelmatrix[3]=4;
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pixelmatrix[7]=-1;
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47 |
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pixelmatrix[11]=2;
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48 |
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pixelmatrix[12]=2;
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49 |
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pixelmatrix[20]=-1;
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50 |
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51 |
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}
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else if (select == 1 )
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{
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54 |
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for (i=0;i<64;i++) pixelmatrix[i]=0;
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55 |
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pixelmatrix[0]=36;
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pixelmatrix[1]=-1;
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57 |
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pixelmatrix[2]=1;
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pixelmatrix[3]=-2;
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pixelmatrix[4]=3;
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60 |
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pixelmatrix[5]=-5;
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pixelmatrix[6]=0;
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pixelmatrix[7]=7;
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63 |
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pixelmatrix[8]=4;
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64 |
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pixelmatrix[9]=-10;
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pixelmatrix[12]=8;
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66 |
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pixelmatrix[13]=-16;
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67 |
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pixelmatrix[14]=17;
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68 |
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pixelmatrix[33]=30;
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69 |
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pixelmatrix[34]=-63;
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70 |
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pixelmatrix[35]=-32;
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71 |
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pixelmatrix[36]=50;
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pixelmatrix[40]=-100;
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pixelmatrix[41]=121;
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74 |
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pixelmatrix[42]=100;
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75 |
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pixelmatrix[47]=-3;
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76 |
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pixelmatrix[48]=-2;
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77 |
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pixelmatrix[49]=-7;
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pixelmatrix[50]=-15;
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pixelmatrix[51]=3;
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pixelmatrix[52]=7;
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}
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}
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//===========================================================================
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void ConvertDCMagnitudeC(unsigned char magnitude,unsigned short int *out, unsigned short int *lenght)
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{
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86 |
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switch (magnitude) {
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case 0x00 : *out=0x0000; *lenght=2; break;
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case 0x01 : *out=0x0001; *lenght=2; break;
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case 0x02 : *out=0x0002; *lenght=2; break;
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90 |
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case 0x03 : *out=0x0006; *lenght=3; break;
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91 |
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case 0x04 : *out=0x000e; *lenght=4; break;
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92 |
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case 0x05 : *out=0x001e; *lenght=5; break;
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93 |
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case 0x06 : *out=0x003e; *lenght=6; break;
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case 0x07 : *out=0x007e; *lenght=7; break;
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case 0x08 : *out=0x00fe; *lenght=8; break;
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96 |
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case 0x09 : *out=0x01fe; *lenght=9; break;
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97 |
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case 0x0a : *out=0x03fe; *lenght=10; break;
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98 |
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case 0x0b : *out=0x07fe; *lenght=11; break;
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}
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}
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//===========================================================================
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void ConvertACMagnitudeC(unsigned char magnitude,unsigned short int *out, unsigned short int *lenght)
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{
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switch (magnitude) {
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case 0x00 : *lenght=0x02; *out=0x0000; break; //1010
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106 |
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case 0x01 : *lenght=0x02; *out=0x0001; break; //00
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case 0x02 : *lenght=0x03; *out=0x0004; break; //01
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108 |
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case 0x03 : *lenght=0x04; *out=0x000a; break; //100
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109 |
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case 0x04 : *lenght=0x05; *out=0x0018; break; //1011
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110 |
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case 0x05 : *lenght=0x05; *out=0x0019; break; //11010
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111 |
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case 0x06 : *lenght=0x06; *out=0x0038; break; //1111000
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112 |
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case 0x07 : *lenght=0x07; *out=0x0078; break; //11111000
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113 |
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case 0x08 : *lenght=0x09; *out=0x01f4; break; //1111110110
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114 |
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case 0x09 : *lenght=0x0a; *out=0x03f6; break; //1111111110000010
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115 |
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case 0x0A : *lenght=0x0c; *out=0x0ff4; break; //1111111110000011
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116 |
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case 0x11 : *lenght=0x04; *out=0x000b; break; //1100
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117 |
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case 0x12 : *lenght=0x06; *out=0x0039; break; //11011
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118 |
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case 0x13 : *lenght=0x08; *out=0x00f6; break; //1111001
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119 |
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case 0x14 : *lenght=0x09; *out=0x01f5; break; //111110110
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120 |
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case 0x15 : *lenght=0x0b; *out=0x07f6; break; //11111110110
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121 |
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case 0x16 : *lenght=0x0c; *out=0x0ff5; break; //1111111110000100
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122 |
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case 0x17 : *lenght=0x10; *out=0xff88; break; //1111111110000101
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123 |
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case 0x18 : *lenght=0x10; *out=0xff89; break; //1111111110000110
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124 |
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case 0x19 : *lenght=0x10; *out=0xff8a; break; //1111111110000111
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125 |
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case 0x1A : *lenght=0x10; *out=0xff8b; break; //1111111110001000
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126 |
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case 0x21 : *lenght=0x05; *out=0x001a; break; //11100
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127 |
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case 0x22 : *lenght=0x08; *out=0x00f7; break; //11111001
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128 |
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case 0x23 : *lenght=0x0a; *out=0x03f7; break; //1111110111
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129 |
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case 0x24 : *lenght=0x0c; *out=0x0ff6; break; //111111110100
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130 |
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case 0x25 : *lenght=0x0f; *out=0x7fc2; break; //1111111110001001
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131 |
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case 0x26 : *lenght=0x10; *out=0xff8c; break; //1111111110001010
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132 |
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case 0x27 : *lenght=0x10; *out=0xff8d; break; //1111111110001011
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133 |
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case 0x28 : *lenght=0x10; *out=0xff8e; break; //1111111110001100
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134 |
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case 0x29 : *lenght=0x10; *out=0xff8f; break; //1111111110001101
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135 |
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case 0x2A : *lenght=0x10; *out=0xff90; break; //1111111110001110
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136 |
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case 0x31 : *lenght=0x05; *out=0x001b; break; //111010
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137 |
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case 0x32 : *lenght=0x08; *out=0x00f8; break; //111110111
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138 |
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case 0x33 : *lenght=0x0a; *out=0x03f8; break; //111111110101
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139 |
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case 0x34 : *lenght=0x0c; *out=0x0ff7; break; //1111111110001111
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140 |
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case 0x35 : *lenght=0x10; *out=0xff91; break; //1111111110010000
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141 |
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case 0x36 : *lenght=0x10; *out=0xff92; break; //1111111110010001
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142 |
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case 0x37 : *lenght=0x10; *out=0xff93; break; //1111111110010010
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143 |
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case 0x38 : *lenght=0x10; *out=0xff94; break; //1111111110010011
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144 |
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case 0x39 : *lenght=0x10; *out=0xff95; break; //1111111110010100
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145 |
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case 0x3A : *lenght=0x10; *out=0xff96; break; //1111111110010101
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146 |
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case 0x41 : *lenght=0x06; *out=0x003a; break; //111011
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147 |
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case 0x42 : *lenght=0x09; *out=0x01f6; break; //1111111000
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148 |
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case 0x43 : *lenght=0x10; *out=0xff97; break; //1111111110010110
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149 |
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case 0x44 : *lenght=0x10; *out=0xff98; break; //1111111110010111
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150 |
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case 0x45 : *lenght=0x10; *out=0xff99; break; //1111111110011000
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151 |
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case 0x46 : *lenght=0x10; *out=0xff9a; break; //1111111110011001
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152 |
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case 0x47 : *lenght=0x10; *out=0xff9b; break; //1111111110011010
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153 |
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case 0x48 : *lenght=0x10; *out=0xff9c; break; //1111111110011011
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154 |
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case 0x49 : *lenght=0x10; *out=0xff9d; break; //1111111110011100
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155 |
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case 0x4A : *lenght=0x10; *out=0xff9e; break; //1111111110011101
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156 |
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case 0x51 : *lenght=0x06; *out=0x003b; break; //1111010
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157 |
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case 0x52 : *lenght=0x0a; *out=0x03f9; break; //11111110111
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158 |
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case 0x53 : *lenght=0x10; *out=0xff9f; break; //1111111110011110
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159 |
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case 0x54 : *lenght=0x10; *out=0xffa0; break; //1111111110011111
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160 |
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case 0x55 : *lenght=0x10; *out=0xffa1; break; //1111111110100000
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161 |
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case 0x56 : *lenght=0x10; *out=0xFFA2; break; //1111111110100001
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162 |
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case 0x57 : *lenght=0x10; *out=0xFFA3; break; //1111111110100010
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163 |
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case 0x58 : *lenght=0x10; *out=0xFFA4; break; //1111111110100011
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164 |
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case 0x59 : *lenght=0x10; *out=0xFFA5; break; //1111111110100100
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165 |
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case 0x5A : *lenght=0x10; *out=0xFFA6; break; //1111111110100101
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166 |
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case 0x61 : *lenght=0x07; *out=0x0079; break; //1111011
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167 |
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case 0x62 : *lenght=0x0b; *out=0x07f7; break; //111111110110
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168 |
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case 0x63 : *lenght=0x10; *out=0xffa7; break; //1111111110100110
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169 |
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case 0x64 : *lenght=0x10; *out=0xffa8; break; //1111111110100111
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170 |
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case 0x65 : *lenght=0x10; *out=0xffa9; break; //1111111110101000
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171 |
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case 0x66 : *lenght=0x10; *out=0xffaa; break; //1111111110101001
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172 |
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case 0x67 : *lenght=0x10; *out=0xffab; break; //1111111110101010
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173 |
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case 0x68 : *lenght=0x10; *out=0xFFAc; break; //1111111110101011
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174 |
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case 0x69 : *lenght=0x10; *out=0xFFAf; break; //1111111110101100
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175 |
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case 0x6A : *lenght=0x10; *out=0xFFAe; break; //1111111110101101
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176 |
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case 0x71 : *lenght=0x07; *out=0x007a; break; //11111010
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177 |
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case 0x72 : *lenght=0x0b; *out=0x07f8; break; //111111110111
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178 |
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case 0x73 : *lenght=0x10; *out=0xffaf; break; //1111111110101110
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179 |
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case 0x74 : *lenght=0x10; *out=0xffb0; break; //1111111110101111
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180 |
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case 0x75 : *lenght=0x10; *out=0xFFB1; break; //1111111110110000
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181 |
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case 0x76 : *lenght=0x10; *out=0xFFB2; break; //111111110110001
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182 |
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case 0x77 : *lenght=0x10; *out=0xFFB3; break; //111111110110010
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183 |
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case 0x78 : *lenght=0x10; *out=0xFFB4; break; //111111110110011
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184 |
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case 0x79 : *lenght=0x10; *out=0xFFB5; break; //1111111110110100
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185 |
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case 0x7A : *lenght=0x10; *out=0xFFB6; break; //1111111110110101
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186 |
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case 0x81 : *lenght=0x08; *out=0x00f9; break; //111111000
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187 |
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case 0x82 : *lenght=0x10; *out=0xffb7; break; //111111111000000
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188 |
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case 0x83 : *lenght=0x10; *out=0xFFB8; break; //1111111110110110
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189 |
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case 0x84 : *lenght=0x10; *out=0xFFB9; break; //1111111110110111
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190 |
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case 0x85 : *lenght=0x10; *out=0xFFBa; break; //1111111110111000
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191 |
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case 0x86 : *lenght=0x10; *out=0xFFBb; break; //1111111110111001
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192 |
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case 0x87 : *lenght=0x10; *out=0xFFBc; break; //1111111110111010
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193 |
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case 0x88 : *lenght=0x10; *out=0xFFBd; break; //1111111110111011
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194 |
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case 0x89 : *lenght=0x10; *out=0xFFBe; break; //1111111110111100
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195 |
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case 0x8A : *lenght=0x10; *out=0xFFBf; break; //1111111110111101
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196 |
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case 0x91 : *lenght=0x09; *out=0x01f7; break; //111111001
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197 |
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case 0x92 : *lenght=0x10; *out=0xffc0; break; //1111111110111110
|
198 |
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case 0x93 : *lenght=0x10; *out=0xffc1; break; //1111111110111111
|
199 |
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case 0x94 : *lenght=0x10; *out=0xFFC2; break; //1111111111000000
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200 |
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case 0x95 : *lenght=0x10; *out=0xFFC3; break; //1111111111000001
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201 |
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case 0x96 : *lenght=0x10; *out=0xFFC4; break; //1111111111000010
|
202 |
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case 0x97 : *lenght=0x10; *out=0xFFC5; break; //1111111111000011
|
203 |
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case 0x98 : *lenght=0x10; *out=0xFFC6; break; //1111111111000100
|
204 |
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case 0x99 : *lenght=0x10; *out=0xFFC7; break; //1111111111000101
|
205 |
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case 0x9A : *lenght=0x10; *out=0xFFC8; break; //1111111111000110
|
206 |
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case 0xA1 : *lenght=0x09; *out=0x01f8; break; //111111010
|
207 |
|
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case 0xA2 : *lenght=0x10; *out=0xffc9; break; //1111111111000111
|
208 |
|
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case 0xA3 : *lenght=0x10; *out=0xFFCa; break; //1111111111001000
|
209 |
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case 0xA4 : *lenght=0x10; *out=0xFFCb; break; //1111111111001001
|
210 |
|
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case 0xA5 : *lenght=0x10; *out=0xFFCc; break; //1111111111001010
|
211 |
|
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case 0xA6 : *lenght=0x10; *out=0xFFCd; break; //1111111111001011
|
212 |
|
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case 0xA7 : *lenght=0x10; *out=0xFFCe; break; //1111111111001100
|
213 |
|
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case 0xA8 : *lenght=0x10; *out=0xFFCf; break; //1111111111001101
|
214 |
|
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case 0xA9 : *lenght=0x10; *out=0xFFd0; break; //1111111111001110
|
215 |
|
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case 0xAA : *lenght=0x10; *out=0xFFd1; break; //1111111111001111
|
216 |
|
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case 0xB1 : *lenght=0x09; *out=0x01f9; break; //1111111001
|
217 |
|
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case 0xB2 : *lenght=0x10; *out=0xFFD2; break; //1111111111010000
|
218 |
|
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case 0xB3 : *lenght=0x10; *out=0xFFD3; break; //1111111111010001
|
219 |
|
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case 0xB4 : *lenght=0x10; *out=0xFFD4; break; //1111111111010010
|
220 |
|
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case 0xB5 : *lenght=0x10; *out=0xFFD5; break; //1111111111010011
|
221 |
|
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case 0xB6 : *lenght=0x10; *out=0xFFD6; break; //1111111111010100
|
222 |
|
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case 0xB7 : *lenght=0x10; *out=0xFFD7; break; //1111111111010101
|
223 |
|
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case 0xB8 : *lenght=0x10; *out=0xFFD8; break; //1111111111010110
|
224 |
|
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case 0xB9 : *lenght=0x10; *out=0xFFD9; break; //1111111111010111
|
225 |
|
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case 0xBA : *lenght=0x10; *out=0xFFDa; break; //1111111111011000
|
226 |
|
|
case 0xC1 : *lenght=0x09; *out=0x01fa; break; //1111111010
|
227 |
|
|
case 0xC2 : *lenght=0x10; *out=0xFFDb; break; //1111111111011001
|
228 |
|
|
case 0xC3 : *lenght=0x10; *out=0xFFDc; break; //1111111111011010
|
229 |
|
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case 0xC4 : *lenght=0x10; *out=0xFFDd; break; //1111111111011011
|
230 |
|
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case 0xC5 : *lenght=0x10; *out=0xFFDe; break; //1111111111011100
|
231 |
|
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case 0xC6 : *lenght=0x10; *out=0xFFDf; break; //1111111111011101
|
232 |
|
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case 0xC7 : *lenght=0x10; *out=0xFFe0; break; //1111111111011110
|
233 |
|
|
case 0xC8 : *lenght=0x10; *out=0xFFe1; break; //1111111111011111
|
234 |
|
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case 0xC9 : *lenght=0x10; *out=0xFFe2; break; //1111111111100000
|
235 |
|
|
case 0xCA : *lenght=0x10; *out=0xFFe3; break; //1111111111100001
|
236 |
|
|
case 0xD1 : *lenght=0x0b; *out=0x07f9; break; //11111111000
|
237 |
|
|
case 0xD2 : *lenght=0x10; *out=0xFFE4; break; //1111111111100010
|
238 |
|
|
case 0xD3 : *lenght=0x10; *out=0xFFE5; break; //1111111111100011
|
239 |
|
|
case 0xD4 : *lenght=0x10; *out=0xFFE6; break; //1111111111100100
|
240 |
|
|
case 0xD5 : *lenght=0x10; *out=0xFFE7; break; //1111111111100101
|
241 |
|
|
case 0xD6 : *lenght=0x10; *out=0xFFE8; break; //1111111111100110
|
242 |
|
|
case 0xD7 : *lenght=0x10; *out=0xFFE9; break; //1111111111100111
|
243 |
|
|
case 0xD8 : *lenght=0x10; *out=0xFFEa; break; //1111111111101000
|
244 |
|
|
case 0xD9 : *lenght=0x10; *out=0xFFEb; break; //1111111111101001
|
245 |
|
|
case 0xDA : *lenght=0x10; *out=0xFFEc; break; //1111111111101010
|
246 |
|
|
case 0xE1 : *lenght=0x0e; *out=0x3fe0; break; //1111111111101011
|
247 |
|
|
case 0xE2 : *lenght=0x10; *out=0xffed; break; //1111111111101100
|
248 |
|
|
case 0xE3 : *lenght=0x10; *out=0xFFEe; break; //1111111111101101
|
249 |
|
|
case 0xE4 : *lenght=0x10; *out=0xFFEf; break; //1111111111101110
|
250 |
|
|
case 0xE5 : *lenght=0x10; *out=0xFFf0; break; //1111111111101111
|
251 |
|
|
case 0xE6 : *lenght=0x10; *out=0xFFF1; break; //1111111111110000
|
252 |
|
|
case 0xE7 : *lenght=0x10; *out=0xFFF2; break; //1111111111110001
|
253 |
|
|
case 0xE8 : *lenght=0x10; *out=0xFFF3; break; //1111111111110010
|
254 |
|
|
case 0xE9 : *lenght=0x10; *out=0xFFF4; break; //1111111111110011
|
255 |
|
|
case 0xEA : *lenght=0x10; *out=0xFFF5; break; //1111111111110100
|
256 |
|
|
case 0xF0 : *lenght=0x0a; *out=0x03fa; break; //11111111001
|
257 |
|
|
case 0xF1 : *lenght=0x0f; *out=0x7fc3; break; //1111111111110101
|
258 |
|
|
case 0xF2 : *lenght=0x10; *out=0xFFF6; break; //1111111111110110
|
259 |
|
|
case 0xF3 : *lenght=0x10; *out=0xFFF7; break; //1111111111110111
|
260 |
|
|
case 0xF4 : *lenght=0x10; *out=0xFFF8; break; //1111111111111000
|
261 |
|
|
case 0xF5 : *lenght=0x10; *out=0xFFF9; break; //1111111111111001
|
262 |
|
|
case 0xF6 : *lenght=0x10; *out=0xFFFA; break; //1111111111111010
|
263 |
|
|
case 0xF7 : *lenght=0x10; *out=0xFFFB; break; //1111111111111011
|
264 |
|
|
case 0xF8 : *lenght=0x10; *out=0xFFFC; break; //1111111111111100
|
265 |
|
|
case 0xF9 : *lenght=0x10; *out=0xFFFD; break; //1111111111111101
|
266 |
|
|
case 0xFA : *lenght=0x10; *out=0xFFFE; break; //1111111111111110
|
267 |
|
|
#ifndef __MICROBLAZE
|
268 |
|
|
default : printf("WAARDE STAAT NIET IN TABEL!!!!!!!!!!!!!!!!!!!!\n");break;
|
269 |
|
|
#endif
|
270 |
|
|
}
|
271 |
|
|
// printf("magnitude= %x out= %x lenght= %d \n",magnitude,*out,*lenght);
|
272 |
|
|
return;
|
273 |
|
|
}
|
274 |
|
|
//===========================================================================
|
275 |
|
|
void ConvertDCMagnitudeY(unsigned char magnitude,unsigned short int *out, unsigned short int *lenght)
|
276 |
|
|
{
|
277 |
|
|
switch (magnitude) {
|
278 |
|
|
case 0x00 : *out=0x0000; *lenght=2; break;
|
279 |
|
|
case 0x01 : *out=0x0002; *lenght=3; break;
|
280 |
|
|
case 0x02 : *out=0x0003; *lenght=3; break;
|
281 |
|
|
case 0x03 : *out=0x0004; *lenght=3; break;
|
282 |
|
|
case 0x04 : *out=0x0005; *lenght=3; break;
|
283 |
|
|
case 0x05 : *out=0x0006; *lenght=3; break;
|
284 |
|
|
case 0x06 : *out=0x000e; *lenght=4; break;
|
285 |
|
|
case 0x07 : *out=0x001e; *lenght=5; break;
|
286 |
|
|
case 0x08 : *out=0x003e; *lenght=6; break;
|
287 |
|
|
case 0x09 : *out=0x007e; *lenght=7; break;
|
288 |
|
|
case 0x0a : *out=0x00fe; *lenght=8; break;
|
289 |
|
|
case 0x0b : *out=0x01fe; *lenght=9; break;
|
290 |
|
|
}
|
291 |
|
|
}
|
292 |
|
|
//===========================================================================
|
293 |
|
|
void ConvertACMagnitudeY(unsigned char magnitude,unsigned short int *out, unsigned short int *lenght)
|
294 |
|
|
{
|
295 |
|
|
switch (magnitude) {
|
296 |
|
|
case 0x00 : *lenght=4; *out=0xFFFA; break; //1010
|
297 |
|
|
case 0x01 : *lenght=2; *out=0xFFF0; break; //00
|
298 |
|
|
case 0x02 : *lenght=2; *out=0xFFF1; break; //01
|
299 |
|
|
case 0x03 : *lenght=3; *out=0xFFF4; break; //100
|
300 |
|
|
case 0x04 : *lenght=4; *out=0xFFFB; break; //1011
|
301 |
|
|
case 0x05 : *lenght=5; *out=0xFFFA; break; //11010
|
302 |
|
|
case 0x06 : *lenght=7; *out=0xFFF8; break; //1111000
|
303 |
|
|
case 0x07 : *lenght=8; *out=0xFFF8; break; //11111000
|
304 |
|
|
case 0x08 : *lenght=10; *out=0xFFF6; break; //1111110110
|
305 |
|
|
case 0x09 : *lenght=16; *out=0xFF82; break; //1111111110000010
|
306 |
|
|
case 0x0A : *lenght=16; *out=0xFF83; break; //1111111110000011
|
307 |
|
|
case 0x11 : *lenght=4; *out=0xFFFC; break; //1100
|
308 |
|
|
case 0x12 : *lenght=5; *out=0xFFFB; break; //11011
|
309 |
|
|
case 0x13 : *lenght=7; *out=0xFFF9; break; //1111001
|
310 |
|
|
case 0x14 : *lenght=9; *out=0xFFF6; break; //111110110
|
311 |
|
|
case 0x15 : *lenght=11; *out=0xFFF6; break; //11111110110
|
312 |
|
|
case 0x16 : *lenght=16; *out=0xFF84; break; //1111111110000100
|
313 |
|
|
case 0x17 : *lenght=16; *out=0xFF85; break; //1111111110000101
|
314 |
|
|
case 0x18 : *lenght=16; *out=0xFF86; break; //1111111110000110
|
315 |
|
|
case 0x19 : *lenght=16; *out=0xFF87; break; //1111111110000111
|
316 |
|
|
case 0x1A : *lenght=16; *out=0xFF88; break; //1111111110001000
|
317 |
|
|
case 0x21 : *lenght=5; *out=0xFFFC; break; //11100
|
318 |
|
|
case 0x22 : *lenght=8; *out=0xFFF9; break; //11111001
|
319 |
|
|
case 0x23 : *lenght=10; *out=0xFFF7; break; //1111110111
|
320 |
|
|
case 0x24 : *lenght=12; *out=0xFFF4; break; //111111110100
|
321 |
|
|
case 0x25 : *lenght=16; *out=0xFF89; break; //1111111110001001
|
322 |
|
|
case 0x26 : *lenght=16; *out=0xFF8A; break; //1111111110001010
|
323 |
|
|
case 0x27 : *lenght=16; *out=0xFF8B; break; //1111111110001011
|
324 |
|
|
case 0x28 : *lenght=16; *out=0xFF8C; break; //1111111110001100
|
325 |
|
|
case 0x29 : *lenght=16; *out=0xFF8D; break; //1111111110001101
|
326 |
|
|
case 0x2A : *lenght=16; *out=0xFF8E; break; //1111111110001110
|
327 |
|
|
case 0x31 : *lenght=6; *out=0xFFFA; break; //111010
|
328 |
|
|
case 0x32 : *lenght=9; *out=0xFFF7; break; //111110111
|
329 |
|
|
case 0x33 : *lenght=12; *out=0xFFF5; break; //111111110101
|
330 |
|
|
case 0x34 : *lenght=16; *out=0xFF8F; break; //1111111110001111
|
331 |
|
|
case 0x35 : *lenght=16; *out=0xFF90; break; //1111111110010000
|
332 |
|
|
case 0x36 : *lenght=16; *out=0xFF91; break; //1111111110010001
|
333 |
|
|
case 0x37 : *lenght=16; *out=0xFF92; break; //1111111110010010
|
334 |
|
|
case 0x38 : *lenght=16; *out=0xFF93; break; //1111111110010011
|
335 |
|
|
case 0x39 : *lenght=16; *out=0xFF94; break; //1111111110010100
|
336 |
|
|
case 0x3A : *lenght=16; *out=0xFF95; break; //1111111110010101
|
337 |
|
|
case 0x41 : *lenght=6; *out=0xFFFB; break; //111011
|
338 |
|
|
case 0x42 : *lenght=10; *out=0xFFF8; break; //1111111000
|
339 |
|
|
case 0x43 : *lenght=16; *out=0xFF96; break; //1111111110010110
|
340 |
|
|
case 0x44 : *lenght=16; *out=0xFF97; break; //1111111110010111
|
341 |
|
|
case 0x45 : *lenght=16; *out=0xFF98; break; //1111111110011000
|
342 |
|
|
case 0x46 : *lenght=16; *out=0xFF99; break; //1111111110011001
|
343 |
|
|
case 0x47 : *lenght=16; *out=0xFF9A; break; //1111111110011010
|
344 |
|
|
case 0x48 : *lenght=16; *out=0xFF9B; break; //1111111110011011
|
345 |
|
|
case 0x49 : *lenght=16; *out=0xFF9C; break; //1111111110011100
|
346 |
|
|
case 0x4A : *lenght=16; *out=0xFF9D; break; //1111111110011101
|
347 |
|
|
case 0x51 : *lenght=7; *out=0xFFFA; break; //1111010
|
348 |
|
|
case 0x52 : *lenght=11; *out=0xFFF7; break; //11111110111
|
349 |
|
|
case 0x53 : *lenght=16; *out=0xFF9E; break; //1111111110011110
|
350 |
|
|
case 0x54 : *lenght=16; *out=0xFF9F; break; //1111111110011111
|
351 |
|
|
case 0x55 : *lenght=16; *out=0xFFA0; break; //1111111110100000
|
352 |
|
|
case 0x56 : *lenght=16; *out=0xFFA1; break; //1111111110100001
|
353 |
|
|
case 0x57 : *lenght=16; *out=0xFFA2; break; //1111111110100010
|
354 |
|
|
case 0x58 : *lenght=16; *out=0xFFA3; break; //1111111110100011
|
355 |
|
|
case 0x59 : *lenght=16; *out=0xFFA4; break; //1111111110100100
|
356 |
|
|
case 0x5A : *lenght=16; *out=0xFFA5; break; //1111111110100101
|
357 |
|
|
case 0x61 : *lenght=7; *out=0xFFFB; break; //1111011
|
358 |
|
|
case 0x62 : *lenght=12; *out=0xFFF6; break; //111111110110
|
359 |
|
|
case 0x63 : *lenght=16; *out=0xFFA6; break; //1111111110100110
|
360 |
|
|
case 0x64 : *lenght=16; *out=0xFFA7; break; //1111111110100111
|
361 |
|
|
case 0x65 : *lenght=16; *out=0xFFA8; break; //1111111110101000
|
362 |
|
|
case 0x66 : *lenght=16; *out=0xFFA9; break; //1111111110101001
|
363 |
|
|
case 0x67 : *lenght=16; *out=0xFFAA; break; //1111111110101010
|
364 |
|
|
case 0x68 : *lenght=16; *out=0xFFAB; break; //1111111110101011
|
365 |
|
|
case 0x69 : *lenght=16; *out=0xFFAC; break; //1111111110101100
|
366 |
|
|
case 0x6A : *lenght=16; *out=0xFFAD; break; //1111111110101101
|
367 |
|
|
case 0x71 : *lenght=8; *out=0xFFFA; break; //11111010
|
368 |
|
|
case 0x72 : *lenght=12; *out=0xFFF7; break; //111111110111
|
369 |
|
|
case 0x73 : *lenght=16; *out=0xFFAE; break; //1111111110101110
|
370 |
|
|
case 0x74 : *lenght=16; *out=0xFFAF; break; //1111111110101111
|
371 |
|
|
case 0x75 : *lenght=16; *out=0xFFB0; break; //1111111110110000
|
372 |
|
|
case 0x76 : *lenght=16; *out=0xFFB1; break; //111111110110001
|
373 |
|
|
case 0x77 : *lenght=16; *out=0xFFB2; break; //111111110110010
|
374 |
|
|
case 0x78 : *lenght=16; *out=0xFFB3; break; //111111110110011
|
375 |
|
|
case 0x79 : *lenght=16; *out=0xFFB4; break; //1111111110110100
|
376 |
|
|
case 0x7A : *lenght=16; *out=0xFFB5; break; //1111111110110101
|
377 |
|
|
case 0x81 : *lenght=9; *out=0xFFF8; break; //111111000
|
378 |
|
|
case 0x82 : *lenght=15; *out=0xFFC0; break; //111111111000000
|
379 |
|
|
case 0x83 : *lenght=16; *out=0xFFB6; break; //1111111110110110
|
380 |
|
|
case 0x84 : *lenght=16; *out=0xFFB7; break; //1111111110110111
|
381 |
|
|
case 0x85 : *lenght=16; *out=0xFFB8; break; //1111111110111000
|
382 |
|
|
case 0x86 : *lenght=16; *out=0xFFB9; break; //1111111110111001
|
383 |
|
|
case 0x87 : *lenght=16; *out=0xFFBA; break; //1111111110111010
|
384 |
|
|
case 0x88 : *lenght=16; *out=0xFFBB; break; //1111111110111011
|
385 |
|
|
case 0x89 : *lenght=16; *out=0xFFBC; break; //1111111110111100
|
386 |
|
|
case 0x8A : *lenght=16; *out=0xFFBD; break; //1111111110111101
|
387 |
|
|
case 0x91 : *lenght=9; *out=0xFFF9; break; //111111001
|
388 |
|
|
case 0x92 : *lenght=16; *out=0xFFBE; break; //1111111110111110
|
389 |
|
|
case 0x93 : *lenght=16; *out=0xFFBF; break; //1111111110111111
|
390 |
|
|
case 0x94 : *lenght=16; *out=0xFFC0; break; //1111111111000000
|
391 |
|
|
case 0x95 : *lenght=16; *out=0xFFC1; break; //1111111111000001
|
392 |
|
|
case 0x96 : *lenght=16; *out=0xFFC2; break; //1111111111000010
|
393 |
|
|
case 0x97 : *lenght=16; *out=0xFFC3; break; //1111111111000011
|
394 |
|
|
case 0x98 : *lenght=16; *out=0xFFC4; break; //1111111111000100
|
395 |
|
|
case 0x99 : *lenght=16; *out=0xFFC5; break; //1111111111000101
|
396 |
|
|
case 0x9A : *lenght=16; *out=0xFFC6; break; //1111111111000110
|
397 |
|
|
case 0xA1 : *lenght=9; *out=0xFFFA; break; //111111010
|
398 |
|
|
case 0xA2 : *lenght=16; *out=0xFFC7; break; //1111111111000111
|
399 |
|
|
case 0xA3 : *lenght=16; *out=0xFFC8; break; //1111111111001000
|
400 |
|
|
case 0xA4 : *lenght=16; *out=0xFFC9; break; //1111111111001001
|
401 |
|
|
case 0xA5 : *lenght=16; *out=0xFFCA; break; //1111111111001010
|
402 |
|
|
case 0xA6 : *lenght=16; *out=0xFFCB; break; //1111111111001011
|
403 |
|
|
case 0xA7 : *lenght=16; *out=0xFFCC; break; //1111111111001100
|
404 |
|
|
case 0xA8 : *lenght=16; *out=0xFFCD; break; //1111111111001101
|
405 |
|
|
case 0xA9 : *lenght=16; *out=0xFFCE; break; //1111111111001110
|
406 |
|
|
case 0xAA : *lenght=16; *out=0xFFCF; break; //1111111111001111
|
407 |
|
|
case 0xB1 : *lenght=10; *out=0xFFF9; break; //1111111001
|
408 |
|
|
case 0xB2 : *lenght=16; *out=0xFFD0; break; //1111111111010000
|
409 |
|
|
case 0xB3 : *lenght=16; *out=0xFFD1; break; //1111111111010001
|
410 |
|
|
case 0xB4 : *lenght=16; *out=0xFFD2; break; //1111111111010010
|
411 |
|
|
case 0xB5 : *lenght=16; *out=0xFFD3; break; //1111111111010011
|
412 |
|
|
case 0xB6 : *lenght=16; *out=0xFFD4; break; //1111111111010100
|
413 |
|
|
case 0xB7 : *lenght=16; *out=0xFFD5; break; //1111111111010101
|
414 |
|
|
case 0xB8 : *lenght=16; *out=0xFFD6; break; //1111111111010110
|
415 |
|
|
case 0xB9 : *lenght=16; *out=0xFFD7; break; //1111111111010111
|
416 |
|
|
case 0xBA : *lenght=16; *out=0xFFD8; break; //1111111111011000
|
417 |
|
|
case 0xC1 : *lenght=10; *out=0xFFFA; break; //1111111010
|
418 |
|
|
case 0xC2 : *lenght=16; *out=0xFFD9; break; //1111111111011001
|
419 |
|
|
case 0xC3 : *lenght=16; *out=0xFFDA; break; //1111111111011010
|
420 |
|
|
case 0xC4 : *lenght=16; *out=0xFFDB; break; //1111111111011011
|
421 |
|
|
case 0xC5 : *lenght=16; *out=0xFFDC; break; //1111111111011100
|
422 |
|
|
case 0xC6 : *lenght=16; *out=0xFFDD; break; //1111111111011101
|
423 |
|
|
case 0xC7 : *lenght=16; *out=0xFFDE; break; //1111111111011110
|
424 |
|
|
case 0xC8 : *lenght=16; *out=0xFFDF; break; //1111111111011111
|
425 |
|
|
case 0xC9 : *lenght=16; *out=0xFFE0; break; //1111111111100000
|
426 |
|
|
case 0xCA : *lenght=16; *out=0xFFE1; break; //1111111111100001
|
427 |
|
|
case 0xD1 : *lenght=11; *out=0xFFF8; break; //11111111000
|
428 |
|
|
case 0xD2 : *lenght=16; *out=0xFFE2; break; //1111111111100010
|
429 |
|
|
case 0xD3 : *lenght=16; *out=0xFFE3; break; //1111111111100011
|
430 |
|
|
case 0xD4 : *lenght=16; *out=0xFFE4; break; //1111111111100100
|
431 |
|
|
case 0xD5 : *lenght=16; *out=0xFFE5; break; //1111111111100101
|
432 |
|
|
case 0xD6 : *lenght=16; *out=0xFFE6; break; //1111111111100110
|
433 |
|
|
case 0xD7 : *lenght=16; *out=0xFFE7; break; //1111111111100111
|
434 |
|
|
case 0xD8 : *lenght=16; *out=0xFFE8; break; //1111111111101000
|
435 |
|
|
case 0xD9 : *lenght=16; *out=0xFFE9; break; //1111111111101001
|
436 |
|
|
case 0xDA : *lenght=16; *out=0xFFEA; break; //1111111111101010
|
437 |
|
|
case 0xE1 : *lenght=16; *out=0xFFEB; break; //1111111111101011
|
438 |
|
|
case 0xE2 : *lenght=16; *out=0xFFEC; break; //1111111111101100
|
439 |
|
|
case 0xE3 : *lenght=16; *out=0xFFED; break; //1111111111101101
|
440 |
|
|
case 0xE4 : *lenght=16; *out=0xFFEE; break; //1111111111101110
|
441 |
|
|
case 0xE5 : *lenght=16; *out=0xFFEF; break; //1111111111101111
|
442 |
|
|
case 0xE6 : *lenght=16; *out=0xFFF0; break; //1111111111110000
|
443 |
|
|
case 0xE7 : *lenght=16; *out=0xFFF1; break; //1111111111110001
|
444 |
|
|
case 0xE8 : *lenght=16; *out=0xFFF2; break; //1111111111110010
|
445 |
|
|
case 0xE9 : *lenght=16; *out=0xFFF3; break; //1111111111110011
|
446 |
|
|
case 0xEA : *lenght=16; *out=0xFFF4; break; //1111111111110100
|
447 |
|
|
case 0xF0 : *lenght=11; *out=0xFFF9; break; //11111111001
|
448 |
|
|
case 0xF1 : *lenght=16; *out=0xFFF5; break; //1111111111110101
|
449 |
|
|
case 0xF2 : *lenght=16; *out=0xFFF6; break; //1111111111110110
|
450 |
|
|
case 0xF3 : *lenght=16; *out=0xFFF7; break; //1111111111110111
|
451 |
|
|
case 0xF4 : *lenght=16; *out=0xFFF8; break; //1111111111111000
|
452 |
|
|
case 0xF5 : *lenght=16; *out=0xFFF9; break; //1111111111111001
|
453 |
|
|
case 0xF6 : *lenght=16; *out=0xFFFA; break; //1111111111111010
|
454 |
|
|
case 0xF7 : *lenght=16; *out=0xFFFB; break; //1111111111111011
|
455 |
|
|
case 0xF8 : *lenght=16; *out=0xFFFC; break; //1111111111111100
|
456 |
|
|
case 0xF9 : *lenght=16; *out=0xFFFD; break; //1111111111111101
|
457 |
|
|
case 0xFA : *lenght=16; *out=0xFFFE; break; //1111111111111110
|
458 |
|
|
#ifndef __MICROBLAZE
|
459 |
|
|
default : printf("WAARDE STAAT NIET IN TABEL!!!!!!!!!!!!!!!!!!!!\n");break;
|
460 |
|
|
#endif
|
461 |
|
|
}
|
462 |
|
|
// printf("magnitude= %x out= %x lenght= %d \n",magnitude,*out,*lenght);
|
463 |
|
|
return;
|
464 |
|
|
}
|
465 |
|
|
//===========================================================================
|
466 |
|
|
char Extend (char additional, unsigned char magnitude)
|
467 |
|
|
{
|
468 |
|
|
int vt= 1 << (magnitude-1);
|
469 |
|
|
if ( additional < vt ) return (additional + (-1 << magnitude) + 1);
|
470 |
|
|
else return additional;
|
471 |
|
|
}
|
472 |
|
|
//===========================================================================
|
473 |
|
|
void ReverseExtend (char value, unsigned char *magnitude, unsigned char *bits)
|
474 |
|
|
{
|
475 |
|
|
// printf("reverseextend value= %d\n",*magnitude);
|
476 |
|
|
if (value >=0)
|
477 |
|
|
{
|
478 |
|
|
*bits=value;
|
479 |
|
|
}
|
480 |
|
|
else
|
481 |
|
|
{
|
482 |
|
|
value=-value;
|
483 |
|
|
*bits=~value;
|
484 |
|
|
}
|
485 |
|
|
*magnitude=0;
|
486 |
|
|
while (value !=0)
|
487 |
|
|
{
|
488 |
|
|
value>>=1;
|
489 |
|
|
++*magnitude;
|
490 |
|
|
}
|
491 |
|
|
// printf("reverseextend magnitude= %d bits= %d",magnitude,bits);
|
492 |
|
|
return;
|
493 |
|
|
}
|
494 |
|
|
|
495 |
|
|
static int __count3=0;
|
496 |
|
|
|
497 |
|
|
//===========================================================================
|
498 |
|
|
void WriteRawBits16(unsigned char amount_bits, unsigned int bits, unsigned int *remaining,unsigned char *amount_remaining, FILE* file) //*remaining needs bo be more than 8 bits because 8 bits could be added and ther ecould already be up ot 7 bits in *remaining
|
499 |
|
|
// this function collects bits to send
|
500 |
|
|
// if there less than 16 bits collected, nothing is send and these bits are stored in *remaining. In *amount_remaining there is stated how much bits are stored in *remaining
|
501 |
|
|
// if more than 16 bits are collected, 16 bits are send and the remaining bits are stored again
|
502 |
|
|
{
|
503 |
|
|
unsigned short int send;
|
504 |
|
|
unsigned int mask;
|
505 |
|
|
unsigned char send2;
|
506 |
|
|
int count;
|
507 |
|
|
|
508 |
|
|
#ifdef __MICROBLAZE
|
509 |
|
|
if (__count3<16) {
|
510 |
|
|
xil_printf("%x %x, ", amount_bits, bits);
|
511 |
|
|
__count3++;
|
512 |
|
|
if ((__count3&0x07)==0) xil_printf("\r\n");
|
513 |
|
|
}
|
514 |
|
|
#else
|
515 |
|
|
if (__count3<16) {
|
516 |
|
|
printf(" %x %x, ", amount_bits, bits);
|
517 |
|
|
__count3++;
|
518 |
|
|
if ((__count3&0x07)==0) printf("\r\n");
|
519 |
|
|
}
|
520 |
|
|
#endif
|
521 |
|
|
|
522 |
|
|
|
523 |
|
|
mask=0x00; //init mask
|
524 |
|
|
*remaining=(*remaining<<amount_bits); //shift to make place for the new bits
|
525 |
|
|
for (count=amount_bits; count>0; count--) mask=(mask<<1)|0x01; //create mask for adding bit
|
526 |
|
|
*remaining=*remaining | (bits&mask); //add bits
|
527 |
|
|
*amount_remaining=*amount_remaining + amount_bits; //change *amount_remaining to the correct new value
|
528 |
|
|
if (*amount_remaining >= 16) //are there more than 16 bits in buffer, send 16 bits
|
529 |
|
|
{
|
530 |
|
|
|
531 |
|
|
#ifndef __MICROBLAZE
|
532 |
|
|
if (*amount_remaining >= 32 ) printf("ERROR, more bits to send %d",*amount_remaining);
|
533 |
|
|
#endif
|
534 |
|
|
|
535 |
|
|
send=*remaining>>(*amount_remaining-16); //this value can be send/stored (in art this can be dony by selecting bits)
|
536 |
|
|
send2=(send & 0xFF00) >>8;
|
537 |
|
|
#ifdef __MICROBLAZE
|
538 |
|
|
sysace_fwrite(&send2,1,1,file);
|
539 |
|
|
#else
|
540 |
|
|
fwrite(&send2,1,1,file);
|
541 |
|
|
#endif
|
542 |
|
|
if (send2==0xFF)
|
543 |
|
|
{
|
544 |
|
|
send2=0x00;
|
545 |
|
|
#ifdef __MICROBLAZE
|
546 |
|
|
sysace_fwrite(&send2,1,1,file);
|
547 |
|
|
#else
|
548 |
|
|
fwrite(&send2,1,1,file);
|
549 |
|
|
#endif
|
550 |
|
|
}
|
551 |
|
|
send2=send & 0xFF;
|
552 |
|
|
#ifdef __MICROBLAZE
|
553 |
|
|
sysace_fwrite(&send2,1,1,file);
|
554 |
|
|
#else
|
555 |
|
|
fwrite(&send2,1,1,file);
|
556 |
|
|
#endif
|
557 |
|
|
if (send2==0xFF)
|
558 |
|
|
{
|
559 |
|
|
send2=0x00;
|
560 |
|
|
#ifdef __MICROBLAZE
|
561 |
|
|
sysace_fwrite(&send2,1,1,file);
|
562 |
|
|
#else
|
563 |
|
|
fwrite(&send2,1,1,file);
|
564 |
|
|
#endif
|
565 |
|
|
}
|
566 |
|
|
*amount_remaining=*amount_remaining-16; //descrease by 16 because these are send
|
567 |
|
|
}
|
568 |
|
|
return;
|
569 |
|
|
}
|
570 |
|
|
//===========================================================================
|
571 |
|
|
void HuffmanEncodeFinishSend(unsigned int *remaining,unsigned char *amount_remaining, FILE* file)
|
572 |
|
|
// There are still some bits left to send at the end of the 8x8 matrix (or maybe the file),
|
573 |
|
|
// the remaining bits are filled up with ones and send
|
574 |
|
|
// possible fault: -must it be filled up with ones?
|
575 |
|
|
{
|
576 |
|
|
unsigned short int send;
|
577 |
|
|
unsigned int mask;
|
578 |
|
|
int count;
|
579 |
|
|
mask=0x00; //init mask
|
580 |
|
|
if (*amount_remaining >= 8) // //2 bytes to send, send first byte
|
581 |
|
|
{
|
582 |
|
|
send=*remaining>>(*amount_remaining-8); //shift so that first byte is ready to send
|
583 |
|
|
#ifdef __MICROBLAZE
|
584 |
|
|
sysace_fwrite(&send,1,1,file);
|
585 |
|
|
#else
|
586 |
|
|
fwrite(&send,1,1,file);
|
587 |
|
|
#endif
|
588 |
|
|
if (send==0xFF) //is this still needed????
|
589 |
|
|
{
|
590 |
|
|
send=0x00;
|
591 |
|
|
#ifdef __MICROBLAZE
|
592 |
|
|
sysace_fwrite(&send,1,1,file);
|
593 |
|
|
#else
|
594 |
|
|
fwrite(&send,1,1,file);
|
595 |
|
|
#endif
|
596 |
|
|
}
|
597 |
|
|
*amount_remaining=*amount_remaining -8; // lower the value to the amount of bits that still needs to be send
|
598 |
|
|
}
|
599 |
|
|
if (*amount_remaining >= 0) //there is a last byte to send
|
600 |
|
|
{
|
601 |
|
|
send=*remaining<<(8-*amount_remaining); //shift the last bits to send to the front of the byte
|
602 |
|
|
mask=0x00; //init mask
|
603 |
|
|
for (count=(8-*amount_remaining); count>0; count--) mask=(mask<<1)|0x01; //create mask to fill byte up with ones
|
604 |
|
|
send=send | mask; //add the ones to the byte
|
605 |
|
|
#ifdef __MICROBLAZE
|
606 |
|
|
sysace_fwrite(&send,1,1,file);
|
607 |
|
|
#else
|
608 |
|
|
fwrite(&send,1,1,file);
|
609 |
|
|
#endif
|
610 |
|
|
*amount_remaining=0x00; //is this needed?
|
611 |
|
|
}
|
612 |
|
|
return;
|
613 |
|
|
}
|
614 |
|
|
//===========================================================================
|
615 |
|
|
void HuffmanEncodeUsingDCTable(unsigned char magnitude,unsigned int *remaining,unsigned char *amount_remaining, FILE* file)
|
616 |
|
|
// Translate magnitude into needed data (from table) and send it
|
617 |
|
|
{
|
618 |
|
|
unsigned char send;
|
619 |
|
|
unsigned short int huffmancode, huffmanlengt;
|
620 |
|
|
ConvertDCMagnitudeY(magnitude, &huffmancode, &huffmanlengt);
|
621 |
|
|
WriteRawBits16(huffmanlengt,huffmancode,remaining,amount_remaining, file);
|
622 |
|
|
//printf("Write DC magnitude= %2x \n",magnitude);
|
623 |
|
|
//WriteRawBits16(0x08,magnitude,remaining,amount_remaining, file);
|
624 |
|
|
return;
|
625 |
|
|
}
|
626 |
|
|
//===========================================================================
|
627 |
|
|
void HuffmanEncodeUsingACTable(unsigned char mag,unsigned int *remaining,unsigned char *amount_remaining, FILE* file)
|
628 |
|
|
// Translate magnitude into needed data (from table) and send it
|
629 |
|
|
{
|
630 |
|
|
unsigned char send;
|
631 |
|
|
unsigned short int huffmancode, huffmanlengt;
|
632 |
|
|
ConvertACMagnitudeY(mag, &huffmancode, &huffmanlengt);
|
633 |
|
|
WriteRawBits16(huffmanlengt,huffmancode,remaining,amount_remaining, file);
|
634 |
|
|
return;
|
635 |
|
|
}
|
636 |
|
|
//===========================================================================
|
637 |
|
|
char EncodeDataUnit(char dataunit[64], char last_dc_value, FILE* file, unsigned int *remaining, unsigned char *amount_remaining, unsigned int color)
|
638 |
|
|
{
|
639 |
|
|
char difference;
|
640 |
|
|
unsigned char magnitude,zerorun,ii,ert;
|
641 |
|
|
unsigned int bits;
|
642 |
|
|
unsigned char bits_char;
|
643 |
|
|
//init
|
644 |
|
|
// PrintMatrix(dataunit) ;
|
645 |
|
|
difference = dataunit[0] - last_dc_value;
|
646 |
|
|
last_dc_value=dataunit[0];
|
647 |
|
|
ReverseExtend(difference, &magnitude,&bits_char);
|
648 |
|
|
bits=bits_char;
|
649 |
|
|
HuffmanEncodeUsingDCTable(magnitude,remaining,amount_remaining, file);
|
650 |
|
|
WriteRawBits16(magnitude,bits,remaining,amount_remaining, file);
|
651 |
|
|
zerorun=0;
|
652 |
|
|
ii=1;
|
653 |
|
|
while ( ii < 64 )
|
654 |
|
|
{
|
655 |
|
|
if (dataunit[ii] != 0 )
|
656 |
|
|
{
|
657 |
|
|
while ( zerorun >= 16 )
|
658 |
|
|
{
|
659 |
|
|
HuffmanEncodeUsingACTable(0xF0,remaining,amount_remaining,file);
|
660 |
|
|
zerorun=zerorun-16;
|
661 |
|
|
// printf("16 zeros: %d\n",zerorun);
|
662 |
|
|
}
|
663 |
|
|
ReverseExtend(dataunit[ii],&magnitude,&bits_char);
|
664 |
|
|
bits=bits_char;
|
665 |
|
|
ert= ((int)zerorun *16); //ERROR !!!!!!!!!!!
|
666 |
|
|
ert=ert + magnitude;
|
667 |
|
|
HuffmanEncodeUsingACTable(ert,remaining,amount_remaining,file);
|
668 |
|
|
WriteRawBits16(magnitude,bits,remaining,amount_remaining, file);
|
669 |
|
|
zerorun=0;
|
670 |
|
|
}
|
671 |
|
|
else zerorun=zerorun+1;
|
672 |
|
|
ii++;
|
673 |
|
|
}
|
674 |
|
|
if ( zerorun != 0 )
|
675 |
|
|
{
|
676 |
|
|
HuffmanEncodeUsingACTable(0x00,remaining,amount_remaining,file);
|
677 |
|
|
// printf("NUL DE REST IS NUL\n");
|
678 |
|
|
}
|
679 |
|
|
// HuffmanEncodeFinishSend(remaining,amount_remaining,file);
|
680 |
|
|
return last_dc_value;
|
681 |
|
|
}
|
682 |
|
|
|
683 |
|
|
#if 0
|
684 |
|
|
//===========================================================================
|
685 |
|
|
void DecodeDataUnit(char *coefficients[64], char last_dc_value, char value)
|
686 |
|
|
{
|
687 |
|
|
char ii;
|
688 |
|
|
char lowbits,highbits,extrabits;
|
689 |
|
|
//decode DC
|
690 |
|
|
|
691 |
|
|
|
692 |
|
|
//decode AC
|
693 |
|
|
//set coefficients to 0
|
694 |
|
|
for (ii=0;ii<64;ii++) *coefficients[ii]=0x00; //for the next optimu\ization step: don't write 0 before beginning, these value are overwritten. Only write 0 is you know tha value is 0, now you only write each value once, not twice is the value ain't 0.
|
695 |
|
|
while (ii<64)
|
696 |
|
|
{
|
697 |
|
|
// value= DecodeUsingACTable();
|
698 |
|
|
lowbits = value && 0x0F;
|
699 |
|
|
highbits = (value && 0xF0 ) >>4;
|
700 |
|
|
|
701 |
|
|
if (lowbits != 0x00)
|
702 |
|
|
{
|
703 |
|
|
// extrabits = ReadRawBits(lowbits);
|
704 |
|
|
ii=ii+highbits;
|
705 |
|
|
*coefficients[ii]=Extend(extrabits,lowbits);
|
706 |
|
|
ii++;
|
707 |
|
|
}
|
708 |
|
|
else
|
709 |
|
|
{
|
710 |
|
|
if (highbits==0xF) ii=ii+16; //run of 16 zeros
|
711 |
|
|
else if (highbits == 0x0) ii=64; //the rest are zeros
|
712 |
|
|
}
|
713 |
|
|
}
|
714 |
|
|
}
|
715 |
|
|
//===========================================================================
|
716 |
|
|
#endif
|
717 |
|
|
|
718 |
|
|
|