📄 main.lst
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C166 COMPILER V5.04, MAIN 10/01/2008 12:25:59 PAGE 1
C166 COMPILER V5.04, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN Main.OBJ
COMPILER INVOKED BY: D:\Keil\C166\BIN\C166.EXE Main.c BROWSE MOD167 DEBUG
stmt lvl source
1 #include <XC167.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <absacc.h> //宏定义，可以对某个绝对地址的存储器直接访问
5 #include <Intrins.h>//内联函数
6 #include <math.h>
7 #include <main.h>
8
9 //DPR 起始地址 0x00 0000 空间 16KByte CS0
10 //FPGA 起始地址 0x01 0000 空间 64KByte CS1
11 //Flash 起始地址 0x10 0000 空间 1MByte CS2
12 //SRAM 起始地址 0x08 0000 空间 512KByte CS3
13
14 //DPR 0x00 1FFF: CPU side interrupt mailbox
15 //DPR 0x00 1FFE: X6 side interrupt mailbox
16 //可以读双方的interrupt box,只能写对方的interrupt box
17 #define DPR MARRAY(int, 0x000000)
18 #define SEM MVAR(int, 0x000000)
19 #define DPR_X6Mailbox MVAR(unsigned char, 0x003FFE)
20 #define DPR_CPUMailbox MVAR(unsigned char, 0x003FFF)
21
22 #define FPGA_TX MARRAY(int, 0x010000)//TX 32K
23 #define FPGA_RX MARRAY(int, 0x018000)//RX 32K
24
25 unsigned char buffer[15];
26
27 void Delay(unsigned int US)
28 {
29 1 while(US!=0)
30 1 US--;
31 1 }
32
33 //初始化系统
34 void init(void)
35 {
36 1 //Port9 Data Register
37 1 P9 = 0x03;
38 1 //Port9 Direction Ctrl. Register: 0 input, 1 output
39 1 DP9 = DP9|0x03;
40 1
41 1 //Port2 输入为标准TTL电平
42 1 PICON_P2HIN = 0;
43 1 //Port2 Direction Ctrl. Register: 0 input, 1 output
44 1 //P2_13: P1_X/INT-EV Input
45 1 //P2_14: P1_X/INT-CI Input
46 1 //P2_15: D1_INT Input
47 1 DP2 = DP2 & 0x1F;
48 1
49 1 //Port 7 P7_P4: SEM DPR 旗语逻辑，设定为输出
50 1 //P7_P4 = 1;
51 1 //DP7 = DP7 | 0x10;
52 1 }
53
54 /*------------CRC16校验码的产生与校对-------------*/
55 //对buffer[0]~buffer[dataLength-1]的字符计算CRC16校验码
C166 COMPILER V5.04, MAIN 10/01/2008 12:25:59 PAGE 2
56 //check=1 => 用生成的校验码与buffer[dataLength]和buffer[dataLength+1]进行比较，
57 //判断接收到的CRC16与本程序生成的校验码是否一致
58 //check=0 => 用生成的校验码写入buffer[dataLength]和buffer[dataLength+1]中，
59 //发送给接收设备
60 /*-------------------------------------------------*/
61 bit CRC16(unsigned int dataLength,unsigned char check)
62 {
63 1 unsigned int CheckSum;
64 1 unsigned int j;
65 1 unsigned char lowCRC;
66 1 unsigned char highCRC;
67 1 unsigned short i;
68 1
69 1 CheckSum = 0xFFFF;
70 1 for (j=0; j<dataLength; j++)
71 1 {
72 2 CheckSum = CheckSum^(unsigned int)buffer[j];
73 2 for(i=8; i>0; i--)
74 2 {
75 3 //MODBUS 生成多项式0xA001: x^16+x^15+x^14+1
76 3 //PROFIBUS 生成多项式 0x1DCF:x^16+x^12+x^11+x^10+x^8+x^7+x^6+x^3+x^2+x+1
77 3 if(CheckSum & 0x0001)
78 3 CheckSum = (CheckSum>>1)^0xA001;
79 3 else
80 3 CheckSum >>= 1;
81 3 }
82 2 }
83 1 highCRC = (unsigned char)(CheckSum>>8);
84 1 CheckSum =CheckSum <<8;
85 1 lowCRC = (unsigned char)(CheckSum >>8);
86 1 if(check==1)
87 1 {
88 2 if((buffer[dataLength+1]==highCRC) &(buffer[dataLength]==lowCRC))
89 2 return 1;
90 2 else return 0;
91 2 }
92 1 else
93 1 {
94 2 buffer[dataLength] = lowCRC;
95 2 buffer[dataLength+1] = highCRC;
96 2 return 1;
97 2 }
98 1 }
99
100 void main (void)
101 {
102 1 unsigned char dataRX[16];
103 1 int temp;
104 1 int i,data[16];
105 1
106 1 init();
107 1 while (1)
108 1 {
109 2 if(P2_P14==0)
110 2 {
111 3 //向FPGA写数据：无数据域固定长度的帧:(SYN=33bit) SD1=10H DA SA FC FCS1 ED=16H
112 3 FPGA_TX[0] = SD1;
113 3 FPGA_TX[1] = 0xAB;
114 3 FPGA_TX[2] = 0x19;
115 3 FPGA_TX[3] = 0x20;
116 3 FPGA_TX[4] = 0xE4;
117 3 FPGA_TX[5] = ED;
C166 COMPILER V5.04, MAIN 10/01/2008 12:25:59 PAGE 3
118 3 }
119 2 if(P2_P13==0) //从FPGA接收数据
120 2 {
121 3 for (i =0; i<4; i++)
122 3 {
123 4 temp = FPGA_RX[i];
124 4 dataRX[i*2] = (unsigned char)(temp & 0x00FF);
125 4 dataRX[i*2+1]= (unsigned char)(temp>>8 & 0x00FF);
126 4 }
127 3 P9 = ~P9;
128 3 Delay(10000);
129 3 }
130 2 /*------------采用旗语方式对DPR操作-------------*/
131 2 //申请独占DPR，SEM = 0;--->> 使能P7_P4 SEM标志位
132 2 // P7_P4 = 0;
133 2 // DP7 = DP7 | 0x10;
134 2 // SEM = 0;
135 2 // _nop_();
136 2
137 2 //回读SEM设置，如果为0，申请独占成功，可进行读写操作
138 2 // if (SEM ==0)
139 2 // {
140 2 // DPR[0]= 0xAB;
141 2 // DPR[1]= 0x54;
142 2 // DPR[2]= 0x36;
143 2 // DPR[3]= 0x89;
144 2 //
145 2 // //释放独占权
146 2 // SEM = 1;
147 2 // P7_P4 = 1;
148 2 // DP7 = DP7 | 0x10;
149 2 // }
150 2 /*------------采用中断方式对DPR操作----------------*/
151 2 if(P2_P15==0)
152 2 {
153 3 // if(DPR_CPUMailbox==0x11)
154 3 DPR[0]= 0xAB;
155 3 DPR[1]= 0x54;
156 3 DPR[2]= 0x36;
157 3 DPR[3]= 0x89;
158 3 }
159 2 for (i =0;i<4;i++)
160 2 data[i]=DPR[i];
161 2
162 2 }
163 1 }
164
MODULE INFORMATION: INITIALIZED UNINITIALIZED
CODE SIZE = 380 --------
NEAR-CONST SIZE = -------- --------
FAR-CONST SIZE = -------- --------
HUGE-CONST SIZE = -------- --------
XHUGE-CONST SIZE = -------- --------
NEAR-DATA SIZE = 31 --------
FAR-DATA SIZE = -------- --------
XHUGE-DATA SIZE = -------- --------
IDATA-DATA SIZE = -------- --------
SDATA-DATA SIZE = -------- --------
BDATA-DATA SIZE = -------- --------
HUGE-DATA SIZE = -------- --------
C166 COMPILER V5.04, MAIN 10/01/2008 12:25:59 PAGE 4
BIT SIZE = -------- --------
INIT'L SIZE = -------- --------
END OF MODULE INFORMATION.
C166 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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