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C51 COMPILER V7.10 INT 07/27/2008 16:49:17 PAGE 1
C51 COMPILER V7.10, COMPILATION OF MODULE INT
OBJECT MODULE PLACED IN int.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE int.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include "c8051f040.h"
2 #include "can.h"
3
4 extern unsigned char DO_Address;
5 extern unsigned char temp1,temp2;
6 extern unsigned char DO_Control_Data_New0,DO_Control_Data_New1;
7
8
9 //xdata unsigned char ss[8]={0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88};
10 xdata unsigned char rr[8]={0,0,0,0,0,0,0,0};
11
12 //-----------------------------------------------------------------------------
13 // SYSCLK_Init
14 //-----------------------------------------------------------------------------
15 void SYSCLK_Init (void)
16 {
17 1 SFRPAGE = 0xF;
18 1 OSCXCN |= 0x67; //Running at 22.1184MHz.
19 1 while (!((OSCXCN & 0x80) == 0x80));
20 1 CLKSEL |= 0x01;
21 1 }
22
23 //-----------------------------------------------------------------------------
24 // PORT_Init
25 //-----------------------------------------------------------------------------
26 void PORT_Init (void)
27 {
28 1 SFRPAGE = 0xF;
29 1 XBR1 |= 0x00;
30 1 XBR1 |= 0x04; //INT0 Routed To Port Pin
31 1 XBR2 |= 0x40; //If crossbar is disabled, all ports are in input mode.
32 1 XBR3 |= 0x80; //CTX pin's output mode is configured as push-pull.
33 1 //P0MDOUT = 0x00;
34 1 //P1MDIN =0xFF;
35 1 P4MDOUT = 0x03; //CANLED and ENABLE
36 1 P5MDOUT = 0x00; //OUTPUT CONTROL PORT
37 1 P6MDOUT = 0x00; //OUTPUT CONTROL PORT
38 1 }
39
40 //-----------------------------------------------------------------------------
41 // INT_Init
42 // Interrupts By Priority : INT0 > CAN0
43 //-----------------------------------------------------------------------------
44 void INT_Init (void)
45 {
46 1 IE |= 0x03; //INT0 Interrupt Enabled
47 1 //Timer0 Interrupt Enabled
48 1 // IE |= 0x01; //INT0 Interrupt Enabled
49 1 EIE2 |= 0x20; //CAN0 Interrupt Enabled
50 1 }
51
52
53 //-----------------------------------------------------------------------------
54 // CAN_Init
55 // CAN0CN : Automatic Retransmission is Disable. Error and Status Interrrupt
C51 COMPILER V7.10 INT 07/27/2008 16:49:17 PAGE 2
56 // is Disabled. Module Interrrup is eabled.
57 // BITREG : BaudRate is 1M/8(b/s).
58 // CAN0TST : Tx1, Tx0, LBack and Silenct are all 0. Use Basic Mode.
59 //-----------------------------------------------------------------------------
60 void CAN_Init (void)
61 {
62 1 SFRPAGE = CAN0_PAGE;
63 1 CAN0CN = 0xC3;
64 1 CAN0ADR = 0x03;
65 1 CAN0DATH = 0x5E;
66 1 CAN0DATL = 0xC7;
67 1 CAN0TST = 0x10; //LBack
68 1 }
69
70 void CAN_Start(void)
71 {
72 1 SFRPAGE = CAN0_PAGE;
73 1 CAN0CN = 0x02; //
74 1 }
75
76 //-----------------------------------------------------------------------------
77 // CAN_Transmit_Init(unsigned char MsgNum , unsigned char id)
78 // wr/rd=1,mask=0,arb=1,control=1,,clrintpnd=0,txrqet=0,dataA=1,dataB=1
79 // MsgVal=1, Xad=0,Dir=1:send
80 // not use the filter,UMask=0,RmtEn=0,eob=1, dlc =8
81 //-----------------------------------------------------------------------------
82 void CAN_Transmit_Init (unsigned char MsgNum , unsigned char id)
83 {
84 1 /*
85 1 unsigned char id_tempL,id_tempH;
86 1 id_tempL = id << 2; // id & 0x0F) << 2
87 1 id_tempH = id >> 6;
88 1 id_tempH = id_tempH || 0xA0; // MsgVal=1, Dir =1
89 1 */
90 1
91 1 SFRPAGE = CAN0_PAGE;
92 1 CAN0ADR = IF1CMDMSK;
93 1 CAN0DATL = 0xb3; //wr/rd=1,mask=0,arb=1,control=1,,clrintpnd=0,txrqet=0,dataa=1,datab=1
94 1
95 1 // CAN0ADR = IF1MSK1;
96 1 // CAN0DATH = 0x00;
97 1 // CAN0DATL = 0x00;
98 1 // CAN0DATH = 0x00; //!!bit 13 :not use
99 1 // CAN0DATL = 0x00; //IF1MSK
100 1
101 1 CAN0ADR = IF1ARB1;
102 1 CAN0DATH = 0x00;
103 1 CAN0DATL = 0x00;
104 1 CAN0DATH = 0xA0; //
105 1 CAN0DATL = (id << 2 ) & 0x3C; //0x80 | (((DO_Address & 0x0F) << 2)); //IF1ARB
106 1 //MsgVal=1, Xad=0,Dir=1:send
107 1 CAN0DATH = 0x00; // not use the filter,UMask=0,RmtEn=0
108 1 CAN0DATL = 0x88; //IF1MSGC: eob=1, dlc =8
109 1
110 1 CAN0DATH = 0x00;
111 1 CAN0DATL = 0x00; //data A1
112 1 CAN0DATH = 0x00;
113 1 CAN0DATL = 0x00; //data A2
114 1 CAN0DATH = 0x00;
115 1 CAN0DATL = 0x00; //data B1
116 1 CAN0DATH = 0x00;
117 1 CAN0DATL = 0x00; //data B2
C51 COMPILER V7.10 INT 07/27/2008 16:49:17 PAGE 3
118 1
119 1 CAN0ADR = IF1CMDRQST;
120 1 CAN0DATL = MsgNum; //
121 1 }
122
123 //-----------------------------------------------------------------------------
124 // CAN_Receive_Init(unsigned char MsgNum , unsigned char id)
125 // wr/rd=1,mask=0,arb=1,control=1,,clrintpnd=0,txrqet=0,dataA=1,dataB=1
126 // MsgVal=1, Xad=0,Dir=0:receive
127 // not use the filter,UMask=0,RmtEn=0,eob=1, dlc =8, RxEn=1
128 //-----------------------------------------------------------------------------
129 void CAN_Receive_Init (unsigned char MsgNum , unsigned char id)
130 {
131 1 /*
132 1 unsigned char id_tempL,id_tempH;
133 1 id_tempL = id << 2; // id & 0x0F) << 2
134 1 id_tempH = id >> 6;
135 1 id_tempH = id_tempH || 0x80; // MsgVal=1, Dir =0
136 1 */
137 1
138 1 SFRPAGE = CAN0_PAGE;
139 1 CAN0ADR = IF2CMDMSK;
140 1 CAN0DATL = 0xbb; //wr/rd=1,mask=0,arb=1,control=1,,clrintpnd=1,txrqet=0,dataa=1,datab=1
141 1
142 1 // CAN0ADR = IF2MSK1;
143 1 // CAN0DATH = 0x00;
144 1 // CAN0DATL = 0x00;
145 1 // CAN0DATH = 0x00; //0x23;
146 1 // CAN0DATL = 0xF4; //IF2MSK 0xco;
147 1
148 1 CAN0ADR = IF2ARB1;
149 1 CAN0DATH = 0x00;
150 1 CAN0DATL = 0x00;
151 1 CAN0DATH = 0x80;
152 1 CAN0DATL = (id << 2 ) & 0x3C; //IF2ARB
153 1 //MsgVal=1, Xad=0,Dir=0:get
154 1 CAN0DATH = 0x04; //not use the filter,RxEn=1
155 1 CAN0DATL = 0x88; //IF2MSGC,, eob=1, dlc =8
156 1
157 1 CAN0DATH = 0x00;
158 1 CAN0DATL = 0x00; //data A1
159 1 CAN0DATH = 0x00;
160 1 CAN0DATL = 0x00; //data A2
161 1 CAN0DATH = 0x00;
162 1 CAN0DATL = 0x00; //data B1
163 1 CAN0DATH = 0x00;
164 1 CAN0DATL = 0x00; //data B2
165 1
166 1 CAN0ADR = IF2CMDRQST;
167 1 CAN0DATL = MsgNum; //
168 1 }
169
170 //-----------------------------------------------------------------------------
171 // Timer_Init
172 // Timer0 For CAN Error -- If there is no CAN information form the bus for
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