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📄 level2.lst

📁 此程序为利用mage8 AVR 和EM4094实现读取TYPE A类型卡的C程序、读卡稳定、这个项目我们做了好久、非常不错的程序、很适合做这方面产品的朋友们参考
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GAS LISTING C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/ccSOaaaa.s 			page 1


   1               		.file	"level2.c"
   2               		.arch atmega8
   3               	__SREG__ = 0x3f
   4               	__SP_H__ = 0x3e
   5               	__SP_L__ = 0x3d
   6               	__tmp_reg__ = 0
   7               	__zero_reg__ = 1
   8               		.global __do_copy_data
   9               		.global __do_clear_bss
  10               		.stabs	"E:\\PROJECT_GCC\\ISO14443-A_OK/",100,0,0,.Ltext0
  11               		.stabs	"level2.c",100,0,0,.Ltext0
  12               		.text
  13               	.Ltext0:
  14               		.stabs	"gcc2_compiled.",60,0,0,0
  15               		.stabs	"int:t(0,1)=r(0,1);-32768;32767;",128,0,0,0
  16               		.stabs	"char:t(0,2)=@s8;r(0,2);0;255;",128,0,0,0
  17               		.stabs	"long int:t(0,3)=@s32;r(0,3);0020000000000;0017777777777;",128,0,0,0
  18               		.stabs	"unsigned int:t(0,4)=r(0,4);0000000000000;0000000177777;",128,0,0,0
  19               		.stabs	"long unsigned int:t(0,5)=@s32;r(0,5);0000000000000;0037777777777;",128,0,0,0
  20               		.stabs	"long long int:t(0,6)=@s64;r(0,6);01000000000000000000000;0777777777777777777777;",128,0,0,
  21               		.stabs	"long long unsigned int:t(0,7)=@s64;r(0,7);0000000000000;01777777777777777777777;",128,0,0,
  22               		.stabs	"short int:t(0,8)=r(0,8);-32768;32767;",128,0,0,0
  23               		.stabs	"short unsigned int:t(0,9)=r(0,9);0000000000000;0000000177777;",128,0,0,0
  24               		.stabs	"signed char:t(0,10)=@s8;r(0,10);-128;127;",128,0,0,0
  25               		.stabs	"unsigned char:t(0,11)=@s8;r(0,11);0;255;",128,0,0,0
  26               		.stabs	"float:t(0,12)=r(0,1);4;0;",128,0,0,0
  27               		.stabs	"double:t(0,13)=r(0,1);4;0;",128,0,0,0
  28               		.stabs	"long double:t(0,14)=r(0,1);4;0;",128,0,0,0
  29               		.stabs	"complex int:t(0,15)=s4real:(0,1),0,16;imag:(0,1),16,16;;",128,0,0,0
  30               		.stabs	"complex float:t(0,16)=R3;8;0;",128,0,0,0
  31               		.stabs	"complex double:t(0,17)=R3;8;0;",128,0,0,0
  32               		.stabs	"complex long double:t(0,18)=R3;8;0;",128,0,0,0
  33               		.stabs	"__builtin_va_list:t(0,19)=*(0,20)=(0,20)",128,0,0,0
  34               		.stabs	"_Bool:t(0,21)=@s8;-16;",128,0,0,0
  35               		.stabs	"level2.c",130,0,0,0
  36               		.stabs	"C:/WinAVR/avr/include/avr/io.h",130,0,0,0
  37               		.stabs	"C:/WinAVR/avr/include/avr/sfr_defs.h",130,0,0,0
  38               		.stabs	"C:/WinAVR/avr/include/inttypes.h",130,0,0,0
  39               		.stabs	"int8_t:t(4,1)=(0,10)",128,0,67,0
  40               		.stabs	"uint8_t:t(4,2)=(0,11)",128,0,72,0
  41               		.stabs	"int16_t:t(4,3)=(0,1)",128,0,90,0
  42               		.stabs	"uint16_t:t(4,4)=(0,4)",128,0,95,0
  43               		.stabs	"int32_t:t(4,5)=(0,3)",128,0,106,0
  44               		.stabs	"uint32_t:t(4,6)=(0,5)",128,0,111,0
  45               		.stabs	"int64_t:t(4,7)=(0,6)",128,0,124,0
  46               		.stabs	"uint64_t:t(4,8)=(0,7)",128,0,129,0
  47               		.stabs	"intptr_t:t(4,9)=(4,3)",128,0,141,0
  48               		.stabs	"uintptr_t:t(4,10)=(4,4)",128,0,146,0
  49               		.stabn	162,0,0,0
  50               		.stabn	162,0,0,0
  51               		.stabs	"C:/WinAVR/avr/include/avr/iom8.h",130,0,0,0
  52               		.stabn	162,0,0,0
  53               		.stabs	"C:/WinAVR/avr/include/avr/portpins.h",130,0,0,0
  54               		.stabn	162,0,0,0
  55               		.stabn	162,0,0,0
  56               		.stabs	"C:/WinAVR/avr/include/avr/interrupt.h",130,0,0,0
  57               		.stabn	162,0,0,0
GAS LISTING C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/ccSOaaaa.s 			page 2


  58               		.stabs	"C:/WinAVR/avr/include/avr/signal.h",130,0,0,0
  59               		.stabn	162,0,0,0
  60               		.stabs	"C:/WinAVR/avr/include/avr/wdt.h",130,0,0,0
  61               		.stabn	162,0,0,0
  62               		.stabs	"level4.h",130,0,0,0
  63               		.stabn	162,0,0,0
  64               		.stabs	"level3.h",130,0,0,0
  65               		.stabn	162,0,0,0
  66               		.stabs	"level2.h",130,0,0,0
  67               		.stabs	"TDECODE:T(12,1)=s256capture_data:(12,2)=ar(12,3)=r(12,3);0000000000000;0000000177777;;0;12
  68               		.stabs	"TDECODE:t(12,4)=(12,1)",128,0,69,0
  69               		.stabs	"TCAPTURE:T(12,5)=s576decoded_data:(12,1),0,2048;raw_data:(12,6)=ar(12,3);0;319;(4,2),2048,
  70               		.stabs	"TCAPTURE:t(12,7)=(12,5)",128,0,74,0
  71               		.stabn	162,0,0,0
  72               		.stabs	"level1.h",130,0,0,0
  73               		.stabn	162,0,0,0
  74               	.global	fwd_A_timing
  75               		.data
  76               		.type	fwd_A_timing, @object
  77               		.size	fwd_A_timing, 8
  78               	fwd_A_timing:
  79 0000 E2FF      		.word	-30
  80 0002 94FF      		.word	-108
  81 0004 49FF      		.word	-183
  82 0006 FFFE      		.word	-257
  83               		.text
  84               		.stabs	"__vector_8:F(0,20)",36,0,53,__vector_8
  85               	.global	__vector_8
  86               		.type	__vector_8, @function
  87               	__vector_8:
   1:level2.c      **** 
   2:level2.c      **** 
   3:level2.c      **** #include <avr/io.h>
   4:level2.c      **** #include <inttypes.h>
   5:level2.c      **** #include <avr/interrupt.h>
   6:level2.c      **** #include <avr/signal.h>
   7:level2.c      **** #include <avr/wdt.h>
   8:level2.c      **** #include "level4.h"
   9:level2.c      **** #include "level3.h"
  10:level2.c      **** #include "level2.h"
  11:level2.c      **** #include "level1.h"
  12:level2.c      **** 
  13:level2.c      **** //--------------------------------------------------------------
  14:level2.c      **** //global variables
  15:level2.c      **** 
  16:level2.c      **** uint8_t bufferClean;                         //flag for pre-cleaning
  17:level2.c      **** struct TCAPTURE capture;
  18:level2.c      **** uint8_t * forward_ptr;                       //ptr for forward message preparation
  19:level2.c      **** uint8_t data_buffer[ CAPTURE_SIZE ];           //array of forwarded bits XOR clean response data
  20:level2.c      **** uint16_t fwd_A_timing[ 4 ] = { -30 , -108 , -183 , -257 };                    //forward link pulse 
  21:level2.c      **** #define SPI_DELAY 5                          //dummy cycles of WaitSPI 
  22:level2.c      **** uint8_t * fwd_write_ptr;                     //forwardlink bit pointer
  23:level2.c      **** uint16_t fwd_current_timing;                 //next field change in RF clocks
  24:level2.c      **** uint8_t fwd_this_bit;                        //this bit
  25:level2.c      **** 
  26:level2.c      **** //aliases
  27:level2.c      **** #define fwd_bit_sz captured_byte
GAS LISTING C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/ccSOaaaa.s 			page 3


  28:level2.c      **** #define fwd_byte_bit_cnt captured_valid
  29:level2.c      **** #define fwd_byte captured_bit_count
  30:level2.c      **** 
  31:level2.c      **** //--------------------------------------------------------------
  32:level2.c      **** //local declaration
  33:level2.c      **** void ClearCaptureBuffers( void );
  34:level2.c      **** uint8_t ExtractTypeAData( uint8_t size );
  35:level2.c      **** uint16_t ISOCRCA( uint8_t *data , uint8_t len );
  36:level2.c      **** uint8_t Prepare_Data( uint8_t data , uint8_t msg_size );
  37:level2.c      **** uint8_t Prepare_EOF( uint8_t msg_size );
  38:level2.c      **** uint8_t Prepare_SOF( void );
  39:level2.c      **** uint8_t SearchValidBit( uint8_t start , uint8_t end );
  40:level2.c      **** void SendForward( uint8_t fwd_bit_count );
  41:level2.c      **** void ShiftFwdData( uint8_t data , uint8_t cnt );
  42:level2.c      **** void WaitSPI( void );
  43:level2.c      **** void WriteSPI( uint16_t low , uint16_t hi );
  44:level2.c      **** 
  45:level2.c      **** 
  46:level2.c      **** // ********************************************************************************************
  47:level2.c      **** // Description : Send modified Milea code to EM4094 DIN routine .
  48:level2.c      **** // Return value: None   
  49:level2.c      **** // parameter   : 
  50:level2.c      **** // ********************************************************************************************
  51:level2.c      **** 
  52:level2.c      **** SIGNAL ( SIG_OVERFLOW1 ) 
  53:level2.c      **** {
  88               		.stabn 68,0,53,.LM1-__vector_8
  89               	.LM1:
  90               	/* prologue: frame size=0 */
  91 0000 1F92      		push __zero_reg__
  92 0002 0F92      		push __tmp_reg__
  93 0004 0FB6      		in __tmp_reg__,__SREG__
  94 0006 0F92      		push __tmp_reg__
  95 0008 1124      		clr __zero_reg__
  96 000a 8F93      		push r24
  97 000c 9F93      		push r25
  98 000e EF93      		push r30
  99 0010 FF93      		push r31
 100               	/* prologue end (size=9) */
  54:level2.c      ****     if ( fwd_bit_sz-- == 0 )              //prepare next byte modulation
 101               		.stabn 68,0,54,.LM2-__vector_8
 102               	.LM2:
 103               	.LBB2:
 104 0012 6A94      		dec r6
 105 0014 8FEF      		ldi r24,lo8(-1)
 106 0016 6816      		cp r6,r24
 107 0018 09F4      		brne .+2
 108 001a 4BC0      		rjmp .L22
  55:level2.c      ****     {                 
  56:level2.c      ****         TCCR1B = 0;                       //no clock T1
  57:level2.c      ****         cbi( TIMSK , TOIE1 );             //stop 
  58:level2.c      ****         cbi( TIFR  ,  TOV1 );             //clear pending int
  59:level2.c      ****         return;
  60:level2.c      ****     }
  61:level2.c      ****     TCNT1 = fwd_current_timing;
 109               		.stabn 68,0,61,.LM3-__vector_8
 110               	.LM3:
GAS LISTING C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/ccSOaaaa.s 			page 4


 111 001c 8091 0000 		lds r24,fwd_current_timing
 112 0020 9091 0000 		lds r25,(fwd_current_timing)+1
 113 0024 9DBD      		out (76)+1-0x20,r25
 114 0026 8CBD      		out 76-0x20,r24
  62:level2.c      ****     uint8_t k;
  63:level2.c      ****     for ( k = 0 ; k < 6 ; k++ ) 
 115               		.stabn 68,0,63,.LM4-__vector_8
 116               	.LM4:
 117 0028 E0E0      		ldi r30,lo8(0)
 118               	.L7:
  64:level2.c      ****     {
  65:level2.c      ****         sbi( PORTC , MOD_PIN );           //mod pulse
 119               		.stabn 68,0,65,.LM5-__vector_8
 120               	.LM5:
 121 002a A99A      		sbi 53-0x20,1
 122               		.stabn 68,0,63,.LM6-__vector_8
 123               	.LM6:
 124 002c EF5F      		subi r30,lo8(-(1))
 125 002e E630      		cpi r30,lo8(6)
 126 0030 E0F3      		brlo .L7
  66:level2.c      ****     }    
  67:level2.c      ****     cbi( PORTC , MOD_PIN );
 127               		.stabn 68,0,67,.LM7-__vector_8
 128               	.LM7:
 129 0032 A998      		cbi 53-0x20,1
  68:level2.c      **** //////////////////////////////prepare the next period timing
  69:level2.c      ****     if ( fwd_this_bit == 0 ) 
 130               		.stabn 68,0,69,.LM8-__vector_8
 131               	.LM8:
 132 0034 8091 0000 		lds r24,fwd_this_bit
 133 0038 8823      		tst r24
 134 003a 19F5      		brne .L8
  70:level2.c      ****     {
  71:level2.c      ****         if ( fwd_byte & 1 ) 
 135               		.stabn 68,0,71,.LM9-__vector_8
 136               	.LM9:
 137 003c 90FC      		sbrc r9,0
 138 003e 1FC0      		rjmp .L16
  72:level2.c      ****         {
  73:level2.c      ****             k = 2;                        //between (not the last)zero and 1
  74:level2.c      ****         } 
  75:level2.c      ****         else 
  76:level2.c      ****         {                                   
  77:level2.c      ****             k = 1;                        //between (not the first) two zeros
  78:level2.c      ****         }
  79:level2.c      **** 
  80:level2.c      ****     } 
  81:level2.c      ****     else 
  82:level2.c      ****     {
  83:level2.c      ****         if ( fwd_byte & 1 ) 
  84:level2.c      ****         {                          
  85:level2.c      ****             k = 1;                        //between two ones
 139               		.stabn 68,0,85,.LM10-__vector_8
 140               	.LM10:
 141               	.L21:
 142 0040 E1E0      		ldi r30,lo8(1)
 143               	.L11:
GAS LISTING C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/ccSOaaaa.s 			page 5


  86:level2.c      ****         } 
  87:level2.c      ****         else 
  88:level2.c      ****         {
  89:level2.c      ****             fwd_byte >>= 1;               //the first zero is skipped
  90:level2.c      ****             if ( --fwd_byte_bit_cnt == 0 ) 
  91:level2.c      ****             {
  92:level2.c      ****                 fwd_byte_bit_cnt = 8;
  93:level2.c      ****                 fwd_byte = *fwd_write_ptr++;
  94:level2.c      ****             }
  95:level2.c      **** 
  96:level2.c      ****             if ( fwd_bit_sz-- == 0 ) 
  97:level2.c      ****             {                  
  98:level2.c      ****                 TCCR1B = 0;               //no clock T1
  99:level2.c      ****                 cbi( TIMSK , TOIE1 );     //stop 
 100:level2.c      ****                 cbi( TIFR , TOV1 );       //clear pending int
 101:level2.c      ****                 return;
 102:level2.c      ****             }
 103:level2.c      ****             if ( fwd_byte & 1 ) 
 104:level2.c      ****             {                       
 105:level2.c      ****                 k = 3;                    //between the one and the one with zero in between
 106:level2.c      ****             } 
 107:level2.c      ****             else 
 108:level2.c      ****             {
 109:level2.c      ****                 k = 2;                    //between the one and the second zero
 110:level2.c      ****             }
 111:level2.c      ****         }
 112:level2.c      ****     } 
 113:level2.c      ****     fwd_current_timing = fwd_A_timing[ k ]; 
 144               		.stabn 68,0,113,.LM11-__vector_8
 145               	.LM11:
 146 0042 FF27      		clr r31
 147 0044 EE0F      		add r30,r30
 148 0046 FF1F      		adc r31,r31
 149 0048 E050      		subi r30,lo8(-(fwd_A_timing))
 150 004a F040      		sbci r31,hi8(-(fwd_A_timing))
 151 004c 8081      		ld r24,Z
 152 004e 9181      		ldd r25,Z+1
 153 0050 9093 0000 		sts (fwd_current_timing)+1,r25
 154 0054 8093 0000 		sts fwd_current_timing,r24
 114:level2.c      ****     fwd_this_bit = fwd_byte & 1;
 155               		.stabn 68,0,114,.LM12-__vector_8
 156               	.LM12:
 157 0058 892D      		mov r24,r9
 158 005a 8170      		andi r24,lo8(1)
 159 005c 8093 0000 		sts fwd_this_bit,r24
 115:level2.c      ****     fwd_byte >>= 1;                       //the first zero is skipped
 160               		.stabn 68,0,115,.LM13-__vector_8

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