1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
| void main()
{
unsigned char temperature;
unsigned char RxTx_Data[8];
long id;
unsigned short CAN_Init_flags, dt, CAN_Send_flags,CAN_Read_flags;
unsigned short Rx_Data_Len;
char txt[4];
unsigned long mV;
unsigned int temp;
//Lcd_Init();
TRISA = 0XFF;
TRISB = 0x08;
ADC_Init();
/*CAN_Init_Flags = 0;
CAN_Send_Flags = 0;
CAN_Rcv_Flags = 0; */
CAN_Init_flags = _CAN_CONFIG_SAMPLE_THRICE &
_CAN_CONFIG_PHSEG2_PRG_ON &
_CAN_CONFIG_STD_MSG &
_CAN_CONFIG_DBL_BUFFER_ON &
_CAN_CONFIG_VALID_XTD_MSG &
_CAN_CONFIG_LINE_FILTER_OFF;
CAN_Send_flags = _CAN_TX_PRIORITY_0 &
_CAN_TX_XTD_FRAME &
_CAN_TX_NO_RTR_FRAME;
CAN_Read_flags = 0;
CANInitialize(1,1,6,7,6, CAN_Init_flags);
CANSetOperationMode(_CAN_MODE_CONFIG, 0xFF);
CANSetMask(_CAN_MASK_B1,-1, _CAN_CONFIG_XTD_MSG);
CANSetMask(_CAN_MASK_B2,-1, _CAN_CONFIG_XTD_MSG);
CANSetFilter(_CAN_FILTER_B2_F3,500,_CAN_CONFIG_XTD_MSG);
CANSetOperationMode(_CAN_MODE_NORMAL, 0xFF);
for(;;)
{
dt=0;
while(!dt)
dt= CANRead(&id, RxTx_Data,&Rx_Data_Len,&CAN_Read_flags);
if(id==500 && RxTx_Data[0]=='T')
{
temp=Adc_Read(0);
mV=(unsigned long)temp*5000/1024;
temperature=mV/10;
RxTx_Data[0]=temperature;
id=3;
CANWrite(id, RxTx_Data, 1, CAN_Send_flags);
}
}
}
and for display node is
sbit LCD_RS at RC2_bit;
sbit LCD_EN at RC3_bit;
sbit LCD_D4 at RC4_bit;
sbit LCD_D5 at RC5_bit;
sbit LCD_D6 at RC6_bit;
sbit LCD_D7 at RC7_bit;
sbit LCD_RS_Direction at TRISC2_bit;
sbit LCD_EN_Direction at TRISC3_bit;
sbit LCD_D4_Direction at TRISC4_bit;
sbit LCD_D5_Direction at TRISC5_bit;
sbit LCD_D6_Direction at TRISC6_bit;
sbit LCD_D7_Direction at TRISC7_bit;
void main()
{
unsigned char temperature;
char RxTx_Data[8];
unsigned short CAN_Init_flags,dt, CAN_Send_flags,CAN_Read_flags;
char txt[4];
unsigned short Rx_Data_Len;
long id;
TRISC = 0X00;
TRISB = 0x08;
PORTC=0;
/*CAN_Init_Flags = 0;
CAN_Send_Flags = 0;
CAN_Rcv_Flags = 0; */
CAN_Init_flags = _CAN_CONFIG_SAMPLE_THRICE &
_CAN_CONFIG_PHSEG2_PRG_ON &
_CAN_CONFIG_STD_MSG &
_CAN_CONFIG_DBL_BUFFER_ON &
_CAN_CONFIG_VALID_XTD_MSG &
_CAN_CONFIG_LINE_FILTER_OFF;
CAN_Send_flags = _CAN_TX_PRIORITY_0 &
_CAN_TX_XTD_FRAME &
_CAN_TX_NO_RTR_FRAME;
CAN_Read_flags = 0;
CANInitialize(1,1,6,7,6, CAN_Init_flags);
CANSetOperationMode(_CAN_MODE_CONFIG, 0xFF);
CANSetMask(_CAN_MASK_B1,-1, _CAN_CONFIG_XTD_MSG);
CANSetMask(_CAN_MASK_B2,-1, _CAN_CONFIG_XTD_MSG);
CANSetFilter(_CAN_FILTER_B2_F3,3,_CAN_CONFIG_XTD_MSG);
CANSetOperationMode(_CAN_MODE_NORMAL, 0xFF);
Lcd_Init();
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"CAN BUS");
Delay_ms(1000);
for(;;)
{
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"temp");
Delay_ms(1000);
RxTx_Data[0]='T';
id=500;
CANWrite(id, RxTx_Data,1,CAN_Send_Flags);
dt=0;
while(!dt)
dt= CANRead(&id, RxTx_Data,&Rx_Data_Len,&CAN_Read_flags);
if(id==3)
{
temperature = RxTx_Data[0];
ByteToStr(temperature,txt);
Lcd_Out(1,8,txt);
delay_ms(1000);
}
}
} |