?? main.lst
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C51 COMPILER V7.05 MAIN 12/13/2004 19:18:43 PAGE 1
C51 COMPILER V7.05, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN Main.OBJ
COMPILER INVOKED BY: D:\Program Files\cygnal\IDEfiles\C51\BIN\C51.exe Main.c DB OE
stmt level source
1 //---------------------------------------------------------------------------
2 // Copyright (c) 2002 Jim Brady
3 // Do not use commercially without author's permission
4 // Last revised August 2002
5 // Net MAIN.C
6 //
7 // 8051 Web Server project
8 // See Makefile for build notes
9 // Written for Keil C51 V5.1 compiler, notes:
10 // It uses big endian order, which is the same as the
11 // network byte order, unlike x86 systems.
12 // Use OPTIMIZE(2)or higher so that automatic variables get shared
13 // between functions, to stay within the 256 bytes idata space
14 //---------------------------------------------------------------------------
15
16 #include <string.h>
17 #include <stdlib.h>
18 #include "C8051f.h"
19 #include "net.h"
20 #include "eth.h"
21 #include "serial.h"
22 #include "timer.h"
23 #include "analog.h"
24 #include "arp.h"
25 #include "tcp.h"
26 #include "http.h"
27 #include "ip.h"
28
29
30 // Global variables
31 UINT volatile event_word;
32 char xdata text[20];
33 UCHAR idata debug;
34 UCHAR idata rcve_buf_allocated;
35
36
37 // This sets my hardware address to 00:01:02:03:04:05
38 UCHAR code my_hwaddr[6] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05};
39
40 // Hardware addr to send a broadcast
41 UCHAR code broadcast_hwaddr[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
42
43 // This sets my IP address to 192.168.0.10
44 ULONG code my_ipaddr = 0xC0A8000AL;
45
46 // This sets my subnet mask to 255.255.255.0
47 ULONG code my_subnet = 0xFFFFFF00L;
48
49 // Set to 0 if no gateway is present on network
50 ULONG code gateway_ipaddr = 0;
51
52 //--------------------------------------------------------------------------
53 // Initialize the memory management routines
54 // Initialize variables declared in main
55 //--------------------------------------------------------------------------
C51 COMPILER V7.05 MAIN 12/13/2004 19:18:43 PAGE 2
56
57 unsigned int Count1msInc;
58 unsigned char Count1ms,Count10ms,Count1s;
59 unsigned char TimeSecond,TimeMinute;
60
61 void init_main(void)
62 {
63 1 // Start the memory pool for incoming and outgoing Ethernet
64 1 // frames at 1000, with length = 1500 bytes. Memory below 500
65 1 // is used for program variables
66 1 init_mempool((void xdata *)1000, 1500);
67 1 memset(text, 0, sizeof(text));
68 1 event_word = 0;
69 1 rcve_buf_allocated = FALSE;
70 1 debug = FALSE;
71 1 }
72
73 void PORT_Init (void)
74 {
75 1 XBR0 = 0x07; // Enable SMBus, SPI0, and UART0
76 1 XBR1 = 0x00;
77 1 XBR2 = 0x44; // Enable crossbar and weak pull-ups
78 1 EMI0TC = 0x21;
79 1 P74OUT = 0xFF;
80 1 P0MDOUT = 0x15;
81 1 }
82
83 void SPI0_Init (void)
84 {
85 1 SPI0CFG = 0x07; // data sampled on 1st SCK rising edge
86 1 // 8-bit data words
87 1 SPI0CFG|=0xC0; //CKPOL =1;
88 1
89 1 SPI0CN = 0x03; // Master mode; SPI enabled; flags
90 1 // cleared
91 1 SPI0CKR = SYSCLK/2/8000000-1; // SPI clock <= 8MHz (limited by
92 1 // EEPROM spec.)
93 1 }
94
95 void Timer0_Init (void)
96 {
97 1 CKCON|=0x8;
98 1 TMOD|=0x1; //16Bit
99 1 Count10ms=10;
100 1 Count1s=0;
101 1 TR0 = 0; // STOP Timer0
102 1 TH0 = (-SYSCLK/1000) >> 8; // set Timer0 to overflow in 1ms
103 1 TL0 = -SYSCLK/1000;
104 1 TR0 = 1; // START Timer0
105 1 IE|= 0x2;
106 1 }
107 void SYSCLK_Init (void)
108 {
109 1 int i; // delay counter
110 1 OSCXCN = 0x67; // start external oscillator with
111 1 // 18.432MHz crystal
112 1 for (i=0; i < 256; i++) ; // Wait for osc. to start up
113 1 while (!(OSCXCN & 0x80)) ; // Wait for crystal osc. to settle
114 1 OSCICN = 0x88; // select external oscillator as SYSCLK
115 1 // source and enable missing clock
116 1 // detector
117 1 // OSCICN = 0x07; //interal 16MHZ
C51 COMPILER V7.05 MAIN 12/13/2004 19:18:43 PAGE 3
118 1 }
119 void Timer0_ISR (void) interrupt 1 //1ms
120 {
121 1 TH0 = (-SYSCLK/1000) >> 8;
122 1 TL0 = -SYSCLK/1000;
123 1 if (Count1ms) Count1ms--;
124 1 Count1msInc++;
125 1 if (Count10ms) Count10ms--;
126 1 else
127 1 {
128 2 Count10ms=10; //10ms
129 2 if (Count1s) Count1s--;
130 2 else
131 2 {
132 3 Count1s=100; //1s
133 3 TimeSecond++;
134 3 if (TimeSecond>=60)
135 3 {
136 4 TimeSecond=0; //1min
137 4 TimeMinute++;
138 4 if (TimeMinute==60) TimeMinute=0;
139 4 }
140 3 }
141 2 }
142 1 }
143
144
145 void Delay1ms(unsigned char T)
146 {
147 1 Count1ms=T;
148 1 while (Count1ms);
149 1 }
150
151 /*通過SPI發(fā)送一字節(jié)*/
152 #define CHIP595_SELECT P5 &= ~(0x10); // P54
153 #define CHIP_NOSELECT P5 |= 0xf8; // P53-57
154
155 void SendSPIByte(unsigned char ch)
156 {
157 1 SPIF = 0;
158 1 SPI0DAT = ch;
159 1 while (SPIF == 0); // wait for data transfer to be completed
160 1 }
161
162 void LightONOFF(bit b)
163 {
164 1 CHIP_NOSELECT;
165 1 CHIP595_SELECT;
166 1 SendSPIByte(0x0);
167 1 if (b)
168 1 {
169 2 SendSPIByte(0x01);
170 2 }
171 1 else
172 1 {
173 2 SendSPIByte(0x00);
174 2 }
175 1 CHIP_NOSELECT;
176 1 }
177
178
179 void main (void)
C51 COMPILER V7.05 MAIN 12/13/2004 19:18:43 PAGE 4
180 {
181 1 UINT j, event_word_copy;
182 1 UCHAR xdata * inbuf;
183 1 unsigned long ff;
184 1 WDTCN = 0xDE; // Disable watchdog timer
185 1 WDTCN = 0xAD;
186 1
187 1 EMI0CF =0x24; // share low 4K XRAM
188 1 SYSCLK_Init (); // initialize oscillator
189 1 Timer0_Init();
190 1 PORT_Init (); // initialize crossbar and GPIO
191 1 SPI0_Init (); // initialize SPI0
192 1
193 1 init_main();
194 1 init_tcp();
195 1 init_http();
196 1 ff=0;
197 1 ff=0;
198 1 ff=1;
199 1 EA=1;
200 1 init_serial();
201 1 SendCommString("Init OK\r\n");
202 1
203 1 init_adc();
204 1 init_timer2();
205 1 init_arp();
206 1 init_8019();
207 1
208 1
209 1
210 1 j = 0;
211 1 ET2 = 1; // Enable timer 2 interrupt
212 1
213 1 // The code below is a priority based RTOS. The event
214 1 // handlers are in priority order - highest priority first.
215 1 while (1)
216 1 {
217 2 // Query CS8900A to see if Ethernet frame has arrived
218 2 // If so, set EVENT_ETH_ARRIVED bit in event_word
219 2 query_8019();
220 2
221 2 // Use a copy of event word to avoid interference
222 2 // with interrupts
223 2 EA = 0;
224 2 event_word_copy = event_word;
225 2 EA = 1;
226 2
227 2 // See if an Ethernet frame has arrived
228 2 if (event_word_copy & EVENT_ETH_ARRIVED)
229 2 {
230 3 EA = 0;
231 3 event_word &= (~EVENT_ETH_ARRIVED);
232 3 EA = 1;
233 3
234 3 // Allocate a buffer and read frame from CS8900A
235 3 inbuf = rcve_frame();
236 3 if (inbuf != NULL)
237 3 {
238 4 // Process the received Ethernet frame
239 4 eth_rcve(inbuf);
240 4
241 4 // If the memory allocated for the rcve message has
C51 COMPILER V7.05 MAIN 12/13/2004 19:18:43 PAGE 5
242 4 // not already been freed then free it now
243 4 if (rcve_buf_allocated)
244 4 {
245 5 free(inbuf);
246 5 rcve_buf_allocated = FALSE;
247 5 }
248 4 }
249 3 }
250 2
251 2 // See if TCP retransmit timer has expired
252 2 else if (event_word_copy & EVENT_TCP_RETRANSMIT)
253 2 {
254 3 EA = 0;
255 3 event_word &= (~EVENT_TCP_RETRANSMIT);
256 3 EA = 1;
257 3 tcp_retransmit();
258 3 }
259 2
260 2 // See if TCP inactivity timer has expired
261 2 else if (event_word_copy & EVENT_TCP_INACTIVITY)
262 2 {
263 3 EA = 0;
264 3 event_word &= (~EVENT_TCP_INACTIVITY);
265 3 EA = 1;
266 3 tcp_inactivity();
267 3 }
268 2
269 2 // See if ARP retransmit timer has expired
270 2 else if (event_word_copy & EVENT_ARP_RETRANSMIT)
271 2 {
272 3 EA = 0;
273 3 event_word &= (~EVENT_ARP_RETRANSMIT);
274 3 EA = 1;
275 3 arp_retransmit();
276 3 }
277 2
278 2 // See if it is time to age the ARP cache
279 2 else if (event_word_copy & EVENT_AGE_ARP_CACHE)
280 2 {
281 3 EA = 0;
282 3 event_word &= (~EVENT_AGE_ARP_CACHE);
283 3 EA = 1;
284 3 age_arp_cache();
285 3 }
286 2
287 2 // See if it is time to read the analog inputs
288 2 else if (event_word_copy & EVENT_READ_ANALOG)
289 2 {
290 3 EA = 0;
291 3 event_word &= (~EVENT_READ_ANALOG);
292 3 EA = 1;
293 3 // Read one of the 3 analog inputs each time
294 3 read_analog_inputs();
295 3 }
296 2
297 2 // See if an RS232 message has arrived. It is
298 2 // not handled - RS232 is used for sending only
299 2 else if (event_word_copy & EVENT_RS232_ARRIVED)
300 2 {
301 3 EA = 0;
302 3 event_word &= (~EVENT_RS232_ARRIVED);
303 3 EA = 1;
C51 COMPILER V7.05 MAIN 12/13/2004 19:18:43 PAGE 6
304 3 }
305 2 }
306 1 }
307
308
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 472 ----
CONSTANT SIZE = 34 ----
XDATA SIZE = 20 ----
PDATA SIZE = ---- ----
DATA SIZE = 9 6
IDATA SIZE = 2 ----
BIT SIZE = ---- 1
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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