📄 can.lst
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C166 COMPILER V6.04, CAN 04/06/2009 22:15:28 PAGE 1
C166 COMPILER V6.04, COMPILATION OF MODULE CAN
OBJECT MODULE PLACED IN CAN.OBJ
COMPILER INVOKED BY: C:\Keil\C166\BIN\C166.EXE CAN.C MODV2 BROWSE MODV2 DEBUG
stmt lvl source
1 //****************************************************************************
2 // @Module TwinCAN Module (CAN)
3 // @Filename CAN.C
4 // @Project can_configure.dav
5 //----------------------------------------------------------------------------
6 // @Controller Infineon XC164CS-16F20
7 //
8 // @Compiler Keil
9 //
10 // @Codegenerator 2.8
11 //
12 // @Description This file contains functions that use the CAN module.
13 //
14 //----------------------------------------------------------------------------
15 // @Date 2009-4-4 17:03:47
16 //
17 //****************************************************************************
18
19 // USER CODE BEGIN (CAN_General,1)
20
21 // USER CODE END
22
23
24
25 //****************************************************************************
26 // @Project Includes
27 //****************************************************************************
28
29 #include "MAIN.H"
30
31 // USER CODE BEGIN (CAN_General,2)
32
33 // USER CODE END
34
35
36 //****************************************************************************
37 // @Macros
38 //****************************************************************************
39
40 // USER CODE BEGIN (CAN_General,3)
41
42 // USER CODE END
43
44
45 //****************************************************************************
46 // @Defines
47 //****************************************************************************
48
49 // Structure for a single TwinCAN object
50 // A total of 31 such object structures exists
51
52 struct stCanObj
53 {
54 ubyte ubData[8]; // Message Data 0..7
55 ulong ulCANAR; // Arbitration Register
C166 COMPILER V6.04, CAN 04/06/2009 22:15:28 PAGE 2
56 ulong ulCANAMR; // Acceptance Mask Register
57 uword uwMSGCTR; // Message Control Register
58 uword uwCounter; // Frame Counter
59 uword uwMSGCFG; // Message Configuration Register
60 uword uwINP; // Interrupt Node Pointer
61 uword uwCANFCR; // FIFO / Gateway Control Register
62 uword uwCANPTR; // FIFO Pointer
63 ulong ulReserved; // Reserved
64 };
65
66 #define CAN_HWOBJ ((struct stCanObj volatile far *) 0x200300)
67
68 // USER CODE BEGIN (CAN_General,4)
69
70 // USER CODE END
71
72
73 //****************************************************************************
74 // @Typedefs
75 //****************************************************************************
76
77 // USER CODE BEGIN (CAN_General,5)
78
79 // USER CODE END
80
81
82 //****************************************************************************
83 // @Imported Global Variables
84 //****************************************************************************
85
86 // USER CODE BEGIN (CAN_General,6)
87
88 // USER CODE END
89
90
91 //****************************************************************************
92 // @Global Variables
93 //****************************************************************************
94
95
96 // USER CODE BEGIN (CAN_General,7)
97
98 // USER CODE END
99
100
101 //****************************************************************************
102 // @External Prototypes
103 //****************************************************************************
104
105 // USER CODE BEGIN (CAN_General,8)
106
107 // USER CODE END
108
109
110 //****************************************************************************
111 // @Prototypes Of Local Functions
112 //****************************************************************************
113
114 // USER CODE BEGIN (CAN_General,9)
115
116 // USER CODE END
117
C166 COMPILER V6.04, CAN 04/06/2009 22:15:28 PAGE 3
118
119 //****************************************************************************
120 // @Function void CAN_vInit(void)
121 //
122 //----------------------------------------------------------------------------
123 // @Description This is the initialization function of the CAN function
124 // library. It is assumed that the SFRs used by this library
125 // are in its reset state.
126 //
127 //----------------------------------------------------------------------------
128 // @Returnvalue None
129 //
130 //----------------------------------------------------------------------------
131 // @Parameters None
132 //
133 //----------------------------------------------------------------------------
134 // @Date 2009-4-4
135 //
136 //****************************************************************************
137
138 // USER CODE BEGIN (Init,1)
139
140 // USER CODE END
141
142 void CAN_vInit(void)
143 {
144 1
145 1 // USER CODE BEGIN (Init,2)
146 1
147 1 // USER CODE END
148 1
149 1 /// -----------------------------------------------------------------------
150 1 /// Configuration of CAN Node A:
151 1 /// -----------------------------------------------------------------------
152 1
153 1 /// General Configuration of the Node A:
154 1 /// - set INIT and CCE
155 1 /// - enable interrupt generation when a message transfer is completed
156 1 /// - transmit / receive OK interrupt node pointer: TwinCAN SRN 0
157 1
158 1 CAN_ACR = 0x0045; // load global control register
159 1 CAN_AGINP = 0x0000; // load global interrupt node pointer
160 1 // register
161 1
162 1 /// Configuration of the Node A Error Counter:
163 1 /// - the error warning threshold value (warning level) is 96
164 1
165 1 CAN_AECNTH = 0x0060; // load error counter register high
166 1
167 1 /// Configuration of the used CAN Port Pins:
168 1 /// - P4.5 is used for CAN Interface Input (RXDCA)
169 1 /// - P4.6 is used for CAN Interface Output (TXDCA)
170 1
171 1 ALTSEL0P4 |= 0x0040; // select alternate output function
172 1 DP4 = (DP4 & ~(uword)0x0040) | 0x0040; //set direction register
173 1
174 1 /// Configuration of the Node A Baud Rate:
175 1 /// - required baud rate = 500.000 kbaud
176 1 /// - real baud rate = 500.000 kbaud
177 1 /// - sample point = 70.00 %
178 1 /// - there are 6 time quanta before sample point
179 1 /// - there are 3 time quanta after sample point
C166 COMPILER V6.04, CAN 04/06/2009 22:15:28 PAGE 4
180 1 /// - the (re)synchronization jump width is 2 time quanta
181 1
182 1 CAN_ABTRL = 0x2543; // load bit timing register low
183 1
184 1 CAN_ABTRH = 0x0000; // load bit timing register high
185 1
186 1 CAN_AFCRL = 0x0000; // load frame counter timing register low
187 1
188 1 CAN_AFCRH = 0x0000; // load frame counter timing register high
189 1
190 1 /// -----------------------------------------------------------------------
191 1 /// Configuration of CAN Node B:
192 1 /// -----------------------------------------------------------------------
193 1
194 1 /// General Configuration of the Node B:
195 1 /// - set INIT and CCE
196 1
197 1 CAN_BCR = 0x0041; // load global control register
198 1
199 1 /// -----------------------------------------------------------------------
200 1 /// Configuration of the CAN Message Objects 0 - 31:
201 1 /// -----------------------------------------------------------------------
202 1
203 1 /// -----------------------------------------------------------------------
204 1 /// Configuration of Message Object 0:
205 1 /// -----------------------------------------------------------------------
206 1 /// - message object 0 is valid
207 1 /// - enable receive interrupt; bit INTPND is set after successfull
208 1 /// reception of a frame
209 1
210 1 /// - message object is used as receive object
211 1 /// - standard 11-bit identifier
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