📄 main.lst
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C51 COMPILER V8.01 MAIN 11/23/2005 11:07:36 PAGE 1
C51 COMPILER V8.01, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN Main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Main.c BROWSE DEBUG OBJECTEXTEND
line level source
1 //---------------------------------------------------------------------------
2 // Net MAIN.C
3 //
4 // 8051 Web Server project
5 // See Makefile for build notes
6 // Written for Keil C51 V5.1 compiler, notes:
7 // It uses big endian order, which is the same as the
8 // network byte order, unlike x86 systems.
9 // Use OPTIMIZE(2)or higher so that automatic variables get shared
10 // between functions, to stay within the 256 bytes idata space
11 //---------------------------------------------------------------------------
12
13 #include <string.h>
14 #include <stdlib.h>
15 #include "C8051f.h"
16 #include "net.h"
17 #include "eth.h"
18 #include "serial.h"
19 #include "timer.h"
20 #include "analog.h"
21 #include "arp.h"
22 #include "tcp.h"
23 #include "http.h"
24 #include "ip.h"
25
26
27 // Global variables
28 UINT volatile event_word;
29 char xdata text[20];
30 UCHAR idata debug;
31 UCHAR idata rcve_buf_allocated;
32
33
34 // This sets my hardware address to 00:01:02:03:04:05
35 UCHAR code my_hwaddr[6] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05};
36
37 // Hardware addr to send a broadcast
38 UCHAR code broadcast_hwaddr[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
39
40 // This sets my IP address to 192.168.0.10
41 ULONG code my_ipaddr = 0xC0A8000AL;
42
43 // This sets my subnet mask to 255.255.255.0
44 ULONG code my_subnet = 0xFFFFFF00L;
45
46 // Set to 0 if no gateway is present on network
47 ULONG code gateway_ipaddr = 0;
48
49 //--------------------------------------------------------------------------
50 // Initialize the memory management routines
51 // Initialize variables declared in main
52 //--------------------------------------------------------------------------
53
54 unsigned int Count1msInc;
55 unsigned char Count1ms,Count10ms,Count1s;
C51 COMPILER V8.01 MAIN 11/23/2005 11:07:36 PAGE 2
56 unsigned char TimeSecond,TimeMinute;
57
58 void init_main(void)
59 {
60 1 // Start the memory pool for incoming and outgoing Ethernet
61 1 // frames at 1000, with length = 1500 bytes. Memory below 500
62 1 // is used for program variables
63 1 init_mempool((void xdata *)1000, 1500);
64 1 memset(text, 0, sizeof(text));
65 1 event_word = 0;
66 1 rcve_buf_allocated = FALSE;
67 1 debug = FALSE;
68 1 }
69
70 void PORT_Init (void)
71 {
72 1 XBR0 = 0x07; // Enable SMBus, SPI0, and UART0
73 1 XBR1 = 0x00;
74 1 XBR2 = 0x44; // Enable crossbar and weak pull-ups
75 1 EMI0TC = 0x21;
76 1 P74OUT = 0xFF;
77 1 P0MDOUT = 0x15;
78 1 }
79
80 void SPI0_Init (void)
81 {
82 1 SPI0CFG = 0x07; // data sampled on 1st SCK rising edge
83 1 // 8-bit data words
84 1 SPI0CFG|=0xC0; //CKPOL =1;
85 1
86 1 SPI0CN = 0x03; // Master mode; SPI enabled; flags
87 1 // cleared
88 1 SPI0CKR = SYSCLK/2/8000000-1; // SPI clock <= 8MHz (limited by
89 1 // EEPROM spec.)
90 1 }
91
92 void Timer0_Init (void)
93 {
94 1 CKCON|=0x8;
95 1 TMOD|=0x1; //16Bit
96 1 Count10ms=10;
97 1 Count1s=0;
98 1 TR0 = 0; // STOP Timer0
99 1 TH0 = (-SYSCLK/1000) >> 8; // set Timer0 to overflow in 1ms
100 1 TL0 = -SYSCLK/1000;
101 1 TR0 = 1; // START Timer0
102 1 IE|= 0x2;
103 1 }
104 void SYSCLK_Init (void)
105 {
106 1 int i; // delay counter
107 1 OSCXCN = 0x67; // start external oscillator with
108 1 // 18.432MHz crystal
109 1 for (i=0; i < 256; i++) ; // Wait for osc. to start up
110 1 while (!(OSCXCN & 0x80)) ; // Wait for crystal osc. to settle
111 1 OSCICN = 0x88; // select external oscillator as SYSCLK
112 1 // source and enable missing clock
113 1 // detector
114 1 // OSCICN = 0x07; //interal 16MHZ
115 1 }
116 void Timer0_ISR (void) interrupt 1 //1ms
117 {
C51 COMPILER V8.01 MAIN 11/23/2005 11:07:36 PAGE 3
118 1 TH0 = (-SYSCLK/1000) >> 8;
119 1 TL0 = -SYSCLK/1000;
120 1 if (Count1ms) Count1ms--;
121 1 Count1msInc++;
122 1 if (Count10ms) Count10ms--;
123 1 else
124 1 {
125 2 Count10ms=10; //10ms
126 2 if (Count1s) Count1s--;
127 2 else
128 2 {
129 3 Count1s=100; //1s
130 3 TimeSecond++;
131 3 if (TimeSecond>=60)
132 3 {
133 4 TimeSecond=0; //1min
134 4 TimeMinute++;
135 4 if (TimeMinute==60) TimeMinute=0;
136 4 }
137 3 }
138 2 }
139 1 }
140
141
142 void Delay1ms(unsigned char T)
143 {
144 1 Count1ms=T;
145 1 while (Count1ms);
146 1 }
147
148 /*通过SPI发送一字节*/
149 #define CHIP595_SELECT P5 &= ~(0x10); // P54
150 #define CHIP_NOSELECT P5 |= 0xf8; // P53-57
151
152 void SendSPIByte(unsigned char ch)
153 {
154 1 SPIF = 0;
155 1 SPI0DAT = ch;
156 1 while (SPIF == 0); // wait for data transfer to be completed
157 1 }
158
159 void LightONOFF(bit b)
160 {
161 1 CHIP_NOSELECT;
162 1 CHIP595_SELECT;
163 1 SendSPIByte(0x0);
164 1 if (b)
165 1 {
166 2 SendSPIByte(0x01);
167 2 }
168 1 else
169 1 {
170 2 SendSPIByte(0x00);
171 2 }
172 1 CHIP_NOSELECT;
173 1 }
174
175
176 void main (void)
177 {
178 1 UINT j, event_word_copy;
179 1 UCHAR xdata * inbuf;
C51 COMPILER V8.01 MAIN 11/23/2005 11:07:36 PAGE 4
180 1
181 1 WDTCN = 0xDE; // Disable watchdog timer
182 1 WDTCN = 0xAD;
183 1
184 1 EMI0CF =0x24; // share low 4K XRAM
185 1 SYSCLK_Init (); // initialize oscillator
186 1 Timer0_Init();
187 1 PORT_Init (); // initialize crossbar and GPIO
188 1 SPI0_Init (); // initialize SPI0
189 1
190 1 init_main();
191 1 init_tcp();
192 1 init_http();
193 1
194 1 EA=1;
195 1 init_serial();
196 1 SendCommString("Init OK\r\n");
197 1
198 1 init_adc();
199 1 init_timer2();
200 1 init_arp();
201 1 init_8019();
202 1
203 1
204 1
205 1 j = 0;
206 1 ET2 = 1; // Enable timer 2 interrupt
207 1
208 1 // The code below is a priority based RTOS. The event
209 1 // handlers are in priority order - highest priority first.
210 1 while (1)
211 1 {
212 2 // Query CS8900A to see if Ethernet frame has arrived
213 2 // If so, set EVENT_ETH_ARRIVED bit in event_word
214 2 query_8019();
215 2
216 2 // Use a copy of event word to avoid interference
217 2 // with interrupts
218 2 EA = 0;
219 2 event_word_copy = event_word;
220 2 EA = 1;
221 2
222 2 // See if an Ethernet frame has arrived
223 2 if (event_word_copy & EVENT_ETH_ARRIVED)
224 2 {
225 3 EA = 0;
226 3 event_word &= (~EVENT_ETH_ARRIVED);
227 3 EA = 1;
228 3
229 3 // Allocate a buffer and read frame from CS8900A
230 3 inbuf = rcve_frame();
231 3 if (inbuf != NULL)
232 3 {
233 4 // Process the received Ethernet frame
234 4 eth_rcve(inbuf);
235 4
236 4 // If the memory allocated for the rcve message has
237 4 // not already been freed then free it now
238 4 if (rcve_buf_allocated)
239 4 {
240 5 free(inbuf);
241 5 rcve_buf_allocated = FALSE;
C51 COMPILER V8.01 MAIN 11/23/2005 11:07:36 PAGE 5
242 5 }
243 4 }
244 3 }
245 2
246 2 // See if TCP retransmit timer has expired
247 2 else if (event_word_copy & EVENT_TCP_RETRANSMIT)
248 2 {
249 3 EA = 0;
250 3 event_word &= (~EVENT_TCP_RETRANSMIT);
251 3 EA = 1;
252 3 tcp_retransmit();
253 3 }
254 2
255 2 // See if TCP inactivity timer has expired
256 2 else if (event_word_copy & EVENT_TCP_INACTIVITY)
257 2 {
258 3 EA = 0;
259 3 event_word &= (~EVENT_TCP_INACTIVITY);
260 3 EA = 1;
261 3 tcp_inactivity();
262 3 }
263 2
264 2 // See if ARP retransmit timer has expired
265 2 else if (event_word_copy & EVENT_ARP_RETRANSMIT)
266 2 {
267 3 EA = 0;
268 3 event_word &= (~EVENT_ARP_RETRANSMIT);
269 3 EA = 1;
270 3 arp_retransmit();
271 3 }
272 2
273 2 // See if it is time to age the ARP cache
274 2 else if (event_word_copy & EVENT_AGE_ARP_CACHE)
275 2 {
276 3 EA = 0;
277 3 event_word &= (~EVENT_AGE_ARP_CACHE);
278 3 EA = 1;
279 3 age_arp_cache();
280 3 }
281 2
282 2 // See if it is time to read the analog inputs
283 2 else if (event_word_copy & EVENT_READ_ANALOG)
284 2 {
285 3 EA = 0;
286 3 event_word &= (~EVENT_READ_ANALOG);
287 3 EA = 1;
288 3 // Read one of the 3 analog inputs each time
289 3 read_analog_inputs();
290 3 }
291 2
292 2 // See if an RS232 message has arrived. It is
293 2 // not handled - RS232 is used for sending only
294 2 else if (event_word_copy & EVENT_RS232_ARRIVED)
295 2 {
296 3 EA = 0;
297 3 event_word &= (~EVENT_RS232_ARRIVED);
298 3 EA = 1;
299 3 }
300 2 }
301 1 }
302
303
C51 COMPILER V8.01 MAIN 11/23/2005 11:07:36 PAGE 6
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 463 ----
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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