📄 level3.lst
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GAS LISTING C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/ccmgaaaa.s page 1
1 .file "level3.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 "level3.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 "level3.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/ccmgaaaa.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 .stabs "Capture:F(0,20)",36,0,47,Capture
75 .global Capture
76 .type Capture, @function
77 Capture:
1:level3.c ****
2:level3.c ****
3:level3.c ****
4:level3.c **** #include <avr/io.h>
5:level3.c **** #include <inttypes.h>
6:level3.c **** #include <avr/interrupt.h>
7:level3.c **** #include <avr/signal.h>
8:level3.c **** #include <avr/wdt.h>
9:level3.c **** #include "level4.h"
10:level3.c **** #include "level3.h"
11:level3.c **** #include "level2.h"
12:level3.c **** #include "level1.h"
13:level3.c ****
14:level3.c **** //--------------------------------------------------------------
15:level3.c **** //global variables
16:level3.c **** uint8_t volatile sof; //sof and eof indication
17:level3.c **** uint8_t maxCaptureTime; //current maximum capture time (used to initialise TCNT2)
18:level3.c **** uint8_t maxCaptureTimeScale; //scale of current maximum capture time (expected value 3 -
19:level3.c **** uint8_t cmd_message[ UART_IN_BUFFER_SIZE ]; // maximum
20:level3.c ****
21:level3.c **** uint8_t debug_mode;
22:level3.c **** uint8_t expectedResponseLen; // expected number of response bits
23:level3.c **** uint8_t clean_data_cnt; //clean response data length
24:level3.c **** uint16_t maxTGeneral; //current datarate maximum response capture time
25:level3.c **** uint8_t em4094_data_valid; //EM4094读到了有效数据，即读到了卡号；
26:level3.c **** //--------------------------------------------------------------
27:level3.c **** //Local function declarations
28:level3.c ****
29:level3.c **** void Capture( void );
30:level3.c **** void Compute_Timeouts( void );
31:level3.c **** uint16_t ScaleOnce( uint16_t period );
32:level3.c **** uint8_t ScaleTime( uint16_t period );
33:level3.c **** void Send( uint8_t len , uint16_t wait_time );
34:level3.c **** void store_bit( uint8_t b , uint8_t v );
35:level3.c **** void store_pulse( uint8_t b );
36:level3.c **** void type_A_polling( void );
37:level3.c **** void TypeA_GetUID( void );
GAS LISTING C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/ccmgaaaa.s page 3
38:level3.c **** void Wait( uint16_t period );
39:level3.c ****
40:level3.c ****
41:level3.c **** // ==================================================================
42:level3.c **** // Down Link setup function
43:level3.c **** // Requires: maxCaptureTime and maxCaptureTimeScale
44:level3.c **** // (located here instead of level2 because of register variables)
45:level3.c ****
46:level3.c **** void Capture( void )
47:level3.c **** {
78 .stabn 68,0,47,.LM1-Capture
79 .LM1:
80 /* prologue: frame size=0 */
81 /* prologue end (size=0) */
48:level3.c **** TCCR0 = 0; //disable Counter0
82 .stabn 68,0,48,.LM2-Capture
83 .LM2:
84 0000 13BE out 83-0x20,__zero_reg__
49:level3.c **** TCCR1B = 0; //disable Counter1
85 .stabn 68,0,49,.LM3-Capture
86 .LM3:
87 0002 1EBC out 78-0x20,__zero_reg__
50:level3.c **** TCNT1 = 0;
88 .stabn 68,0,50,.LM4-Capture
89 .LM4:
90 0004 1DBC out (76)+1-0x20,__zero_reg__
91 0006 1CBC out 76-0x20,__zero_reg__
51:level3.c **** if ( !bufferClean )
92 .stabn 68,0,51,.LM5-Capture
93 .LM5:
94 0008 8091 0000 lds r24,bufferClean
95 000c 8823 tst r24
96 000e 09F4 brne .+2
97 0010 41C0 rjmp .L10
98 .L2:
52:level3.c **** ClearCaptureBuffers( );
53:level3.c **** bufferClean = 0;
99 .stabn 68,0,53,.LM6-Capture
100 .LM6:
101 0012 1092 0000 sts bufferClean,__zero_reg__
54:level3.c **** captured_bit_count = 0; //reset some values
102 .stabn 68,0,54,.LM7-Capture
103 .LM7:
104 0016 9924 clr r9
55:level3.c **** capture_cnt = 0;
105 .stabn 68,0,55,.LM8-Capture
106 .LM8:
107 0018 892C mov r8,r9
56:level3.c **** raw_cnt = 0;
108 .stabn 68,0,56,.LM9-Capture
109 .LM9:
110 001a B92C mov r11,r9
57:level3.c **** bit_pos = 1;
111 .stabn 68,0,57,.LM10-Capture
112 .LM10:
113 001c 81E0 ldi r24,lo8(1)
114 001e A82E mov r10,r24
GAS LISTING C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/ccmgaaaa.s page 4
58:level3.c **** sof = 0;
115 .stabn 68,0,58,.LM11-Capture
116 .LM11:
117 0020 9092 0000 sts sof,r9
59:level3.c **** //set hi byte of maximum capture timer2 timeout
60:level3.c **** TCNT2 = ~maxCaptureTime; //set timer2 timeout
118 .stabn 68,0,60,.LM12-Capture
119 .LM12:
120 0024 8091 0000 lds r24,maxCaptureTime
121 0028 8095 com r24
122 002a 84BD out 68-0x20,r24
61:level3.c **** TCNT0 = 0; //clear timer0
123 .stabn 68,0,61,.LM13-Capture
124 .LM13:
125 002c 92BE out 82-0x20,r9
62:level3.c **** TIFR = TIFR | ( 1 << ICF1 ) | ( 1 << TOV1 ) | ( 1 << OCF2 ) | ( 1 << TOV2 ); //clear pendi
126 .stabn 68,0,62,.LM14-Capture
127 .LM14:
128 002e 88B7 in r24,88-0x20
129 0030 846E ori r24,lo8(-28)
130 0032 88BF out 88-0x20,r24
63:level3.c **** sbi( TIMSK , TOIE2 ); //enable timer2 overflow
131 .stabn 68,0,63,.LM15-Capture
132 .LM15:
133 0034 89B7 in r24,89-0x20
134 0036 8064 ori r24,lo8(64)
135 0038 89BF out 89-0x20,r24
64:level3.c **** sbi( SFIOR , PSR2 ); //clear timer2 prescaler
136 .stabn 68,0,64,.LM16-Capture
137 .LM16:
138 003a 80B7 in r24,80-0x20
139 003c 8260 ori r24,lo8(2)
140 003e 80BF out 80-0x20,r24
65:level3.c **** // enable_capture = style; //set capture style
66:level3.c **** TCCR2 = maxCaptureTimeScale; //run T2
141 .stabn 68,0,66,.LM17-Capture
142 .LM17:
143 0040 8091 0000 lds r24,maxCaptureTimeScale
144 0044 85BD out 69-0x20,r24
67:level3.c **** if( forward_link_type == 2 )
145 .stabn 68,0,67,.LM18-Capture
146 .LM18:
147 0046 8091 0000 lds r24,forward_link_type
148 004a 8230 cpi r24,lo8(2)
149 004c C1F0 breq .L11
150 .L3:
68:level3.c **** { //type A
69:level3.c **** TCCR0 = 6; //external clock source, falling edge
70:level3.c **** TCCR1B = counter1set; //run! at clk
71:level3.c **** type_A_polling( ); //do polling until done for Manchester
72:level3.c ****
73:level3.c **** wdt_reset( );
74:level3.c ****
75:level3.c **** #ifdef WDT
76:level3.c **** WatchDog_Feed( );
77:level3.c **** #endif
78:level3.c **** TCCR0 = 0; //stop all
GAS LISTING C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/ccmgaaaa.s page 5
79:level3.c **** TCCR1B = 0;
80:level3.c **** }
81:level3.c ****
82:level3.c **** TCCR2 = 0;
151 .stabn 68,0,82,.LM19-Capture
152 .LM19:
153 004e 15BC out 69-0x20,__zero_reg__
83:level3.c **** cbi( TIMSK , TOIE2 ); //disable timer2 overflow
154 .stabn 68,0,83,.LM20-Capture
155 .LM20:
156 0050 89B7 in r24,89-0x20
157 0052 8F7B andi r24,lo8(-65)
158 0054 89BF out 89-0x20,r24
84:level3.c **** sbi( TIFR , TOV2 ); //clear pending interrupt
159 .stabn 68,0,84,.LM21-Capture
160 .LM21:
161 0056 88B7 in r24,88-0x20
162 0058 8064 ori r24,lo8(64)
163 005a 88BF out 88-0x20,r24
85:level3.c ****
86:level3.c **** if ( ( debug_mode != 1 ) && ( forward_link_type != 3 ) )
164 .stabn 68,0,86,.LM22-Capture
165 .LM22:
166 005c 8091 0000 lds r24,debug_mode
167 0060 8130 cpi r24,lo8(1)
168 0062 31F0 breq .L1
169 0064 8091 0000 lds r24,forward_link_type
170 0068 8330 cpi r24,lo8(3)
171 006a 11F0 breq .L1
87:level3.c **** {
88:level3.c **** while ( captured_bit_count != 0 ) //flush captured bits
172 .stabn 68,0,88,.LM23-Capture
173 .LM23:
174 006c 9920 tst r9
175 006e 09F4 brne .L8
89:level3.c **** store_bit( 0 , 1 );
90:level3.c **** }
91:level3.c **** }
176 .stabn 68,0,91,.LM24-Capture
177 .LM24:
178 .L1:
179 0070 0895 ret
180 .L8:
181 .stabn 68,0,89,.LM25-Capture
182 .LM25:
183 0072 61E0 ldi r22,lo8(1)
184 0074 80E0 ldi r24,lo8(0)
185 0076 3DD1 rcall store_bit
186 0078 9920 tst r9
187 007a D9F7 brne .L8
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