📄 r6c.lst
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C51 COMPILER V8.08 R6C 01/18/2009 20:00:52 PAGE 1
C51 COMPILER V8.08, COMPILATION OF MODULE R6C
OBJECT MODULE PLACED IN r6c.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE r6c.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include "typedef.h"
2
3
4
5 ////////////////////////////////////////////////////
6 void _sendBit(bit temp)
7 {
8 1 DIN = 1;
9 1 SCLOCK = 0; _nop_();
10 1 DIN = temp; _nop_();
11 1 SCLOCK = 1; _nop_();
12 1 SCLOCK = 0;
13 1 }
14 /************************************************************************/
15 /* clockmaster transfer from uctrl to ASIC*/
16 /************************************************************************/
17 void _trans1(void)
18 {
19 1 SCLOCK = 0;
20 1 DIN = 0; _nop_();
21 1 DIN = 1; _nop_();
22 1 DIN = 0; _nop_();
23 1 DIN = 1; _nop_();
24 1 SCLOCK = 1;_nop_();
25 1 }
26 /*****************************************************************/
27 /* clockmaster transfer from ASIC to uctrl************************/
28 /*****************************************************************/
29
30 void _trans2(void)
31 {
32 1 SCLOCK = 0;
33 1 DIN = 1; _nop_();
34 1 DIN = 0; _nop_();
35 1 DIN = 1; _nop_();
36 1 DIN = 0; _nop_();
37 1 }
38
39 /*****************************************************************/
40 /*startbit S1:rising edge on Din while SCLOCK high *************/
41 /*****************************************************************/
42 void _startBit(void)
43 {
44 1 SCLOCK = 0; _nop_();
45 1 DIN = 0; _nop_();
46 1 SCLOCK = 1; _nop_();
47 1 DIN = 1; _nop_();
48 1 SCLOCK = 0; _nop_();
49 1 }
50
51 /*****************************************************************/
52 /* stopbit ES1:falling edge on Din while SCLOCK high ************/
53 /*****************************************************************/
54 void _stopBit(void)
55 {
C51 COMPILER V8.08 R6C 01/18/2009 20:00:52 PAGE 2
56 1 SCLOCK = 0; _nop_();
57 1 DIN = 1; _nop_();
58 1 SCLOCK = 1; _nop_();
59 1 DIN = 0; _nop_();
60 1 SCLOCK = 0; _nop_();
61 1 }
62 /*****************************************************************/
63 /* find S2: a SOF sent by the TAG *******************************/
64 /*****************************************************************/
65 bit TIMERINT;
66
67 uchar _findS2(void)
68 {
69 1 uchar S2=0;
70 1 while ((!SCLOCK)&&(!TIMERINT)); //等到SCLK变高
71 1 if (SCLOCK) //sclk变到高电平
72 1 {
73 2 while ((SCLOCK)&&(!TIMERINT)&&(!DOUT)); //等到dout输出为高
74 2 if (DOUT) //dout已经为高电平
75 2 {
76 3 while ((SCLOCK)&&(!TIMERINT)&&(DOUT));//等sclk变为低电平，dout为高
77 3 if (!SCLOCK)
78 3 {
79 4 S2 = 1; //找到起始信号
80 4 }
81 3 }
82 2 }
83 1 return (S2);
84 1 }
85
86 /*****************************************************************/
87 /* readbit:read data from DOUT*************************************/
88 /*****************************************************************/
89 uchar _readbit(void)
90 {
91 1 uchar i, sample, doutstore;
92 1 uchar debounce=1; // min clockpulse is 4.7us for 106kBaud
93 1 while ((!SCLOCK)&&(!TIMERINT)); //wait for rising edge
94 1
95 1 for (i=0; i<debounce;i++);
96 1 if (SCLOCK)
97 1 {
98 2 if(M_ERR)
99 2 {
100 3 if(M_ERR) { sample = 2; return (sample); }
101 3 }
102 2 doutstore=DOUT;
103 2 if (!DOUT)
104 2 sample = 0;
105 2 else
106 2 sample = 1; //store sample: no debouncing!
107 2
108 2 while ((SCLOCK)&&(!TIMERINT)&&(doutstore ==DOUT));
109 2
110 2 if ((SCLOCK)&&(doutstore != DOUT) ) // ES2
111 2 {
112 3 sample = 0x03;
113 3 }
114 2 else if (TIMERINT) // timeout
115 2 {
116 3 sample = 0x04;
117 3 }
C51 COMPILER V8.08 R6C 01/18/2009 20:00:52 PAGE 3
118 2 }
119 1 return(sample);
120 1 }
121
122 /*****************************************************************/
123 /***read on DOUT and write on DIN, with uctrl master of clock.****/
124 /*****************************************************************/
125
126 uchar _rwbit(uchar wbit)
127 {
128 1 uchar i, rbit;
129 1 if(wbit)
130 1 DIN = 1;
131 1 else
132 1 DIN = 0;
133 1 SCLOCK = 1;
134 1 DOUT = 1;
135 1 for (i=0;i<2;i++); //dummy
136 1 if (!DOUT)
137 1 rbit=0;
138 1 else
139 1 rbit=1;
140 1 SCLOCK = 0;
141 1 return (rbit);
142 1 }
143 /*****************************************************************/
144
145 unsigned char prgCnt = 0;
146 uchar pwUpScanCnt = 0;
147 uchar spkerCnt = 0;
148 uchar timeout;
149 bit b_spker = 0;
150 bit b_com_r6c;
151
152 void time(void) interrupt 1 using 2
153 {
154 1
155 1 TH0=0xdc; //10ms的基准定时,11.0592M
156 1 TL0=0x00;
157 1
158 1 prgCnt ++; //prg run
159 1 pwUpScanCnt ++;
160 1 if(b_spker)spkerCnt++;
161 1 if(b_com_r6c)
162 1 {
163 2 timeout --;
164 2 if(timeout==0)
165 2 {
166 3 TIMERINT=1;
167 3 b_com_r6c=0;
168 3 }
169 2 }
170 1
171 1 }
172 /**************************************************************/
173
174 BOOL _setTimer(uchar timeout_temp)
175 {
176 1 b_com_r6c = 1;
177 1 timeout = timeout_temp;
178 1 TIMERINT= 0;
179 1 TR0 = 1;
C51 COMPILER V8.08 R6C 01/18/2009 20:00:52 PAGE 4
180 1 return(TRUE);
181 1 }
182 void _clrTimer(void)
183 {
184 1 b_com_r6c = 0;
185 1 timeout = 0;
186 1 TIMERINT = 0;
187 1 }
188
189
190 /**************************************************************/
191
192
193 uchar idata pcdata[140];
194 uchar code tab1[16]={0x00,0x08,0x04,0x0c,0x02,0x0a,0x06,0x0e ,0x01,0x09,0x05,0x0d,0x03,0x0b,0x07,0x0f};
195
196 ////////////////////////////////////////////////////////////////////
197
198 BYTE ReflectBYTE(BYTE byOrg)
199 {
200 1 BYTE j,k;
201 1 j = byOrg & 0x0f;
202 1 j = tab1[j];
203 1 j = j<<4;
204 1 k = byOrg>>4;
205 1 k = tab1[k];
206 1 j = j + k;
207 1 return(j);
208 1 }
209
210 #define POLYNOMIAL 0x8408 /*x^16+x^12+x^5+1*/
211 #define PRESET_VALUE 0xFFFF
212 #define CHECK_VALUE 0xF0B8
213 #define CALC_CRC 1
214 #define CHECK_CRC 0
215
216 WORD crc16Calculate(BYTE idata * pBuf,BYTE byLen)
217 {
218 1 unsigned int current_crc_value;
219 1 BYTE i,j;
220 1 current_crc_value = PRESET_VALUE;
221 1 for(i=0;i<byLen;i++)
222 1 {
223 2 current_crc_value = current_crc_value^pBuf[i];
224 2 for(j=0;j<8;j++)
225 2 {
226 3 if(current_crc_value & 0x0001)
227 3 {
228 4 current_crc_value = (current_crc_value>>1)^POLYNOMIAL;
229 4 }
230 3 else
231 3 {
232 4 current_crc_value = (current_crc_value>>1);
233 4 }
234 3 }
235 2 }
236 1 current_crc_value = ~current_crc_value; //?????
237 1 return(current_crc_value);
238 1 }
239
240 #define HIBYTE(w) ((BYTE)(w>>8))
241 #define LOBYTE(w) ((BYTE)(w))
C51 COMPILER V8.08 R6C 01/18/2009 20:00:52 PAGE 5
242 bit chkCRC(BYTE idata * cBuf,BYTE cLen)
243 {
244 1 bit flag =1;
245 1 uchar i;
246 1 uint j;
247 1 for(i=0;i<cLen;i++) { cBuf[i] = ReflectBYTE(cBuf[i]); }
248 1 j = crc16Calculate(cBuf,cLen-2);
249 1 flag = (cBuf[cLen-2] == LOBYTE(j) ); //crc LSByte
250 1 flag &= (cBuf[cLen-1] == HIBYTE(j) ); //crc MSByte
251 1 return(flag);
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