📄 main.lst
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C51 COMPILER V7.50 MAIN 08/13/2006 23:44:28 PAGE 1
C51 COMPILER V7.50, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c DEBUG OBJECTEXTEND
line level source
1 // 本程序的晶体为 22.1184mHz
2 // 本程序的缺省IP 192.168.0.7
3 // 本程序的缺省mask 255.255.255.0
4 // 本程序的缺省mac 0x1234567890ab
5 // 本程序的缺省gate 0.0.0.0(无网关)
6 // 本程序的缺省端口号port 9000
7 // 本程序的缺省remote_ip 192.168.0.1
8
9 //#include <reg52.h>
10 #include <absacc.h>
11 #include <stdio.h>
12 #include <stdlib.h>
13 #include <string.h>
14 #include <intrins.h>
15 //#include "24c02.h"
16 //#include "ethernet.h"
17 //#include "ip.h"
18 //#include "udp.h"
19
20
21 //波特率 是在smod=1 的情况下计算的
22 #define FALSE 0
23 #define TRUE 1
24 #define false 0
25 #define true 1
26
27 #define BPS600 0x40
28 #define BPS1200 0xA0
29 #define BPS2400 0xD0
30 #define BPS4800 0xE8
31 #define BPS9600 0xF4
32 #define BPS14400 0xF8
33 #define BPS19200 0xFA
34 #define BPS28800 0xFC
35 #define BPS38400 0xFD
36
37
38
39 #define timer_5ms_value 0xDC00
40 #define timer_10ms_value 0xB800
41 #define timer_20ms_value 0x7000
42
43 #define rom_ip 0x00
44 #define rom_mask 0x04
45 #define rom_gate 0x08
46 #define rom_remote_ip 0x0c
47 #define rom_mac 0x10
48 #define rom_port 0x16
49
50 #define ARP_TX 1 /* Client state: sending ARP */
51 #define ARP_RX 2 /* received ARP */
52 #define CLIENT_DONE 3 /* completed */
53
54 #define HIGH(x) (x &0xff00)>>8
55 #define LOW(x) (x &0xff)
C51 COMPILER V7.50 MAIN 08/13/2006 23:44:28 PAGE 2
56 sbit watch_dog=0xb5;
57 sbit run_led=0x95;
58
59 //BYTE bcast[MACLEN]={BCASTADDR}; // 该变量为源广播地址mac
60 //BYTE code default_mac[MACLEN]={0x12,0x34,0x56,0x78,0x90,0xab};
61 bit uart_receive_enable; // 串口接收允许标志
62 bit uart_receiving; // 串口正在接收标志
63 bit uart_received_finished; // 串口接收完成标志
64 bit uart_trans_willing; // 串口将要发送标志
65 bit uart_trans_finished; // 串口发送完成标志，表示串口处于发送空闲状态
66
67 unsigned char uart_receive_buf[250]; // 接收缓冲区
68 unsigned char uart_trans_buf[250]; // 发送缓冲区
69 unsigned char uart_trans_count; // 发送数据计数器
70 unsigned char uart_receive_count; // 接收的数据计数器
71 unsigned char uart_trans_length; // 将要发送的数据长度
72
73 unsigned char run_count;
74
75 unsigned char uart_char_space; // 串口帧内间隔计数器(10ms) 最大为60ms
76 unsigned char uart_frame_space; // 串口帧间间隔计数器(10ms) 最小为80ms
77 unsigned char data dog; // 看门狗计数器(10ms) 最大为120 ms
78 #define clear_watchdog() watch_dog=1; _nop_();_nop_();_nop_();_nop_();dog=0;watch_dog=0
79 bit being_echo; // 网络要求远端返回数据标志，表示要判断网络超时
80 bit remote_echo;
81 bit first_arp;
82 unsigned int net_overtime_count; // 网络发送超时计数器
83
84 //ETHERFRAME etherframe;
85 //NODE locnode; /* My Ethernet and IP addresses */
86 //NODE remnode; /* Remote node */
87
88 //extern BYTE mymac[MACLEN]; // 该变量为ethernet.c 用源地址mac
89 void system_init(void);
90 void flush_gate_mac();
91 void do_uart_process(void);
92 int do_net_process(ETHERFRAME *efp,int rxlen);
*** ERROR C141 IN LINE 92 OF MAIN.C: syntax error near '*', expected ')'
93 int udp_receive(ETHERFRAME *efp, int len);
*** ERROR C141 IN LINE 93 OF MAIN.C: syntax error near '*', expected ')'
94 void send_ip(void);
95 unsigned long runtime;
96 void system_init(void)
97 {
98 1 EA=0;
*** ERROR C202 IN LINE 98 OF MAIN.C: 'EA': undefined identifier
99 1 SCON=0xD2; // SM0,SM1,SM2,REN,TB,RB,TI,RI
*** ERROR C202 IN LINE 99 OF MAIN.C: 'SCON': undefined identifier
100 1 // 9位数据位,一位停止位,允许串行中断
101 1 PCON=0x80; // SMOD=1, 波特率加倍
*** ERROR C202 IN LINE 101 OF MAIN.C: 'PCON': undefined identifier
102 1 TMOD=0x21; // GATE C/T M1 M0 GATE C/T M1 M0
*** ERROR C202 IN LINE 102 OF MAIN.C: 'TMOD': undefined identifier
103 1 // 定时器1在自动装入方式,0 位16位方式
104 1 TCON=0x50; // TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0
*** ERROR C202 IN LINE 104 OF MAIN.C: 'TCON': undefined identifier
105 1 // 定时器运行状态，不允许外部中断
106 1 TH1=BPS4800;
*** ERROR C202 IN LINE 106 OF MAIN.C: 'TH1': undefined identifier
107 1 TL1=BPS4800;
*** ERROR C202 IN LINE 107 OF MAIN.C: 'TL1': undefined identifier
108 1 TH0=HIGH(timer_10ms_value); //16位10ms 定时器
C51 COMPILER V7.50 MAIN 08/13/2006 23:44:28 PAGE 3
*** ERROR C202 IN LINE 108 OF MAIN.C: 'TH0': undefined identifier
109 1 TL0=LOW(timer_10ms_value);
*** ERROR C202 IN LINE 109 OF MAIN.C: 'TL0': undefined identifier
110 1 // IE=0x92; // EA ? ? ES ET1 EX1 ET0 EX0
111 1 // IP=0x02;
112 1 clear_watchdog();
113 1 }
114
115
116 void main(void)
117 {
118 1 int rxlen;
119 1 int ret;
120 1 // unsigned char temp[6];
121 1 // clear_watchdog();
122 1 delay_ms(2);
123 1 system_init(); //设置单片机的定时器 T0 (10ms),及 串口的波特率4800bps
124 1 while (1)
125 1 {
126 2 }
127 1 }
128 /*************************************************************************/
129 // 通过计数器uart_char_space 判断串口60MS没有新数据到达就认为一帧数据接收完成
130 // 在网络要求远端返回数据状态下，网络超时计数器加 1(10ms)
131 /*************************************************************************/
132
133 void timer0_interrupt(void) interrupt 1
134 {
135 1 TL0=TL0+LOW(timer_10ms_value); //reload timer0
136 1 TH0=TH0+HIGH(timer_10ms_value);
137 1
138 1 run_count++;
139 1 if(run_count>100)
140 1 {
141 2 run_count=0;
142 2 run_led=~run_led;
143 2 }
144 1
145 1 if (uart_receiving)
146 1 {
147 2 if (uart_char_space<6)
148 2 uart_char_space++;
149 2 else
150 2 {
151 3 uart_receiving=false;
152 3 uart_receive_enable=false;
153 3 uart_received_finished=true;
154 3 uart_frame_space=0;
155 3 }
156 2 uart_frame_space=0;
157 2 }
158 1 else
159 1 {
160 2 if (!uart_receive_enable)
161 2 {
162 3 uart_frame_space++;
163 3 if (uart_frame_space>8)
164 3 {
165 4 uart_frame_space=0;
166 4 uart_receive_enable=true;
167 4 }
168 3 }
C51 COMPILER V7.50 MAIN 08/13/2006 23:44:28 PAGE 4
169 2 }
170 1 if (uart_trans_willing)
171 1 {
172 2 uart_trans_willing=false;
173 2 TI=1;
174 2 }
175 1
176 1 if (being_echo)
177 1 {
178 2 net_overtime_count++;
179 2 if (net_overtime_count>18000)
180 2 {
181 3 being_echo=0;
182 3 if (first_arp)
183 3 first_arp=0;
184 3 else
185 3 remote_echo=1;
186 3 net_overtime_count=0;
187 3 }
188 2 }
189 1 runtime++;
190 1 dog++;
191 1 }
192
193 /*************************************************************************/
194 // 串口中断程序，该程序在认为串口的接收是终端在响应串口的发送
195 // 在串口未发送完成之前，不处理完罗接收的数据
196 /*************************************************************************/
197 void uart_interrupt(void) interrupt 4
198 {
199 1 if (RI)
200 1 {
201 2 RI=0;
202 2 if ((!uart_received_finished)&& uart_receive_enable)
203 2 {
204 3 if (!uart_receiving)
205 3 {
206 4 uart_receiving=1;
207 4 uart_receive_count=0;
208 4 uart_receive_buf[uart_receive_count++]=SBUF;
209 4 }
210 3 else
211 3 {
212 4 uart_char_space=0;
213 4 uart_receive_buf[uart_receive_count++]=SBUF;
214 4 }
215 3 }
216 2 }
217 1 if (TI)
218 1 {
219 2 TI=0;
220 2 if (uart_trans_count<uart_trans_length)
221 2 {
222 3 ACC=uart_trans_buf[uart_trans_count++];
223 3 TB8=P;
224 3 SBUF=ACC;
225 3 }
226 2 else
227 2 {
228 3 uart_trans_finished=1;
229 3 uart_trans_count=0;
230 3 uart_trans_length=0;
C51 COMPILER V7.50 MAIN 08/13/2006 23:44:28 PAGE 5
231 3 }
232 2
233 2 }
234 1 }
235
C51 COMPILATION COMPLETE. 0 WARNING(S), 11 ERROR(S)
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