📄 serial.lst
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C51 COMPILER V7.20 SERIAL 08/04/2007 17:20:09 PAGE 1
C51 COMPILER V7.20, COMPILATION OF MODULE SERIAL
OBJECT MODULE PLACED IN .\Obj\serial.obj
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE Src\serial.c LARGE BROWSE DEBUG OBJECTEXTEND PRINT(.\Lst\serial.lst) OBJECT
-(.\Obj\serial.obj)
line level source
1 #include "CPU.h"
2 #include "Serial.H"
3 /*
4 24MHZ T2
5 50 50 C569 0.00
6 75 75 D8F1 0.00
7 110 110 E55F 0.00
8 150 150 EC79 0.00
9 200 200 F15B 0.00
10 300 300 F63D 0.00
11 600 600 FB1F 0.00
12 1200 1200 FD8F 0.00
13 2400 2403 FEC8 +0.12
14 4800 4807 FF64 +0.14
15 7200 7211 FF98 +0.15
16 9600 9615 FFB2 +0.15
17 14400 14423 FFCC +0.15
18 19200 19230 FFD9 +0.15
19 28800 28846 FFE6 +0.15
20 38400 37500 FFEC -2.34
21 57600 57692 FFF3 +0.15
22 76800 75000 FFF6 -2.34
23 128000 125000 FFFA -2.34
24 153600 150000 FFFB -2.34
25 256000 250000 FFFD -2.34
26 12MHZ T2
27 50 50 E2B5 0.00
28 75 75 EC79 0.00
29 110 110 F2B0 0.00
30 150 150 F63D 0.00
31 200 200 F8AE 0.00
32 300 300 FB1F 0.00
33 600 600 FD90 0.00
34 1200 1201 FEC8 +0.08
35 2400 2403 FF64 +0.12
36 4800 4807 FFB2 +0.14
37 7200 7211 FFCC +0.15
38 9600 9615 FFD9 +0.15
39 14400 14423 FFE6 +0.15
40 19200 18750 FFEC -2.34
41 28800 28846 FFF3 +0.15
42 38400 37500 FFF6 -2.34
43 76800 75000 FFFB -2.34
44 128000 125000 FFFD -2.34
45 */
46 //48MHZ 4800
47 //#define T2InitData 0xFEC8
48
49 //48MHZ 4800
50 #define T2InitData 0xFF64
51
52 data struct RxdData RxdData;
53 data U8 RxdState;
54 data U8 RxdLenCount;
C51 COMPILER V7.20 SERIAL 08/04/2007 17:20:09 PAGE 2
55 data U8 Sum;
56
57 data struct TxdData TxdData;
58 data U8 TxdState;
59 data U8 TxdLenCount;
60
61 //extern U8 LocalChannelNum;
62
63 //24MHZ 245--->1Ms
64 void Delayms(U16 Ms);
65
66
67 /*
68 *****************************************************************************
69 * serial - 串口中断ISR
70 * DESCRIPTION: -
71 *
72 * @Para void:
73 * Return :
74 *
75 *****************************************************************************
76 */
77 void serial(void) interrupt 4
78 {
79 1 // U8 *t;
80 1 if(RI){
81 2 RI=0;
82 2 switch(RxdState){
83 3 case IsACKHeader0:
84 3 if(SBUF == RxdHeader0){
85 4 RxdData.State = Rxd_Empty;//置为空
86 4 RxdState = IsACK;
87 4 }else{
88 4 RxdState = IsACKHeader0;
89 4 }
90 3 break;
91 3 case IsACK:
92 3 RxdData.ACK = SBUF;
93 3 Sum = RxdHeader0 + SBUF;
94 3 RxdState = IsACKDataLen;
95 3 break;
96 3 case IsACKDataLen:
97 3 RxdData.DataLen = SBUF;
98 3 RxdLenCount = SBUF;
99 3 Sum += SBUF;
100 3 RxdState = IsACKData;
101 3 break;
102 3 case IsACKData:
103 3 if(RxdLenCount){
104 4 RxdData.DataBuf[RxdData.DataLen - RxdLenCount] = SBUF;
105 4 Sum += SBUF;
106 4 RxdLenCount --;
107 4 RxdState = IsACKData;
108 4 }else{//没有数据,发送校验字节
109 4 RxdData.CheckByte = SBUF;
110 4 RxdState = IsACKHeader0;
111 4 RxdData.State = Rxd_CheckByteOk;
112 4 }
113 3 break;
114 3 /*
115 3 case IsACKCheckByte:
116 3 RxdData.CheckByte = SBUF;
C51 COMPILER V7.20 SERIAL 08/04/2007 17:20:09 PAGE 3
117 3 RxdState = IsACKHeader0;
118 3 RxdData.State = Rxd_CheckByteOk;
119 3 break;
120 3 */
121 3 default:
122 3 break;
123 3 }
124 2 }
125 1 //处理发送数据
126 1 if(TI){
127 2 TI=0;
128 2 switch (TxdState){
129 3 case IsCMDHeader0:
130 3 TxdData.State = Txd_Sending;
131 3 SBUF = TxdHeader0;
132 3 TxdState = IsCMD;
133 3 // Delayms(1);
134 3 break;
135 3 case IsCMD:
136 3 SBUF = TxdData.CMD;
137 3 TxdState = IsCMDDataLen;
138 3 // Delayms(1);
139 3 break;
140 3 case IsCMDDataLen:
141 3 SBUF = TxdData.DataLen;
142 3 TxdLenCount = TxdData.DataLen;
143 3 TxdState = IsCMDData;
144 3 // Delayms(1);
145 3 break;
146 3 case IsCMDData:
147 3 if(TxdLenCount){
148 4 SBUF = TxdData.DataBuf[TxdData.DataLen - TxdLenCount];
149 4 TxdLenCount --;
150 4 TxdState = IsCMDData;
151 4 }else{//没有数据,那么接下来是校验字节
152 4 SBUF = TxdData.CheckByte;
153 4 TxdData.State = Txd_Empty;
154 4 TxdState = IsCMDIdle;
155 4 }
156 3 // Delayms(1);
157 3 break;
158 3 /*
159 3 case IsCMDCheckByte:
160 3 SBUF = TxdData.CheckByte;
161 3 TxdData.State = Txd_Empty;
162 3 TxdState = IsCMDIdle;
163 3 break;
164 3 */
165 3 case IsCMDIdle://不太可能进入的状态
166 3 TxdData.State = Txd_Empty;
167 3 break;
168 3 default:
169 3 break;
170 3 }
171 2 }
172 1 }
173 void StartTXD(void)
174 {
175 1 //启动发送
176 1 TxdState = IsCMDHeader0;
177 1 TxdData.State = Txd_Ready;
178 1 TI = 1;
C51 COMPILER V7.20 SERIAL 08/04/2007 17:20:09 PAGE 4
179 1 }
180 void InitSerial(void)//串口初始化
181 {
182 1
183 1 T2MOD = 0x00;
184 1 TCLK = 1;
185 1 RCLK = 1;
186 1 EXEN2 = 0;
187 1 C_T2 = 0;
188 1 CP_RL2 = 0;
189 1 RCAP2H = T2InitData/256;
190 1 RCAP2L = T2InitData%256;
191 1 TR2 = 1;
192 1 SCON = 0x50;
193 1 ES = 1;
194 1 }
195
196 void InitSerialBuffer(void)//串口缓冲区初始化
197 {
198 1 //接收处于等待帧头状态
199 1 RxdState = IsACKHeader0;
200 1 RxdData.State = Rxd_Empty;
201 1 //发送处于空闲状态
202 1 TxdState = IsCMDIdle;
203 1 TxdData.State = Txd_Empty;
204 1 }
205
206 /*
207 bit getch(unsigned char *ch) //从串口缓冲区读1字节数据
208 {
209 //ES=0;
210 if(inRxBuf==outRxBuf) {ES=1;return 0;} //RxBuf Empty
211 *ch=*outRxBuf; outRxBuf++;
212 if(outRxBuf==RxBuf+LenRxBuf) outRxBuf=RxBuf;
213 //ES=1;
214 return 1;
215 }
216 */
217 /*
218 void PrintChar(U8 ch) //显示字符
219 {
220 ES =0; //关闭串口中断
221 SBUF = ch;
222 while (!TI);
223 TI = 0;
224 ES = 1;//重新打开串口中断
225 }
226
227 void PrintByte(U8 Byte) // 以十六进制格式显示1个字节数据
228 {
229 U8 c;
230 c = Byte;
231 c = c>>4;
232 if(c < 0x0A){
233 PrintChar(c+'0');
234 }else{
235 PrintChar(c+'A'-0x0A);
236 }
237 c=Byte;c=c&0x0F;
238
239 if(c < 0x0A){
240 PrintChar(c+'0');
C51 COMPILER V7.20 SERIAL 08/04/2007 17:20:09 PAGE 5
241 }else{
242 PrintChar(c+'A'-0x0A);
243 }
244 }
245
246 */
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 259 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 37 ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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