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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
| char *uart_rd,output,aux;
char data1[12];
int data_size;
int i,x;
/*
// LCD module connections
sbit LCD_RS at RB4_bit;
sbit LCD_EN at RB5_bit;
sbit LCD_D4 at RA0_bit;
sbit LCD_D5 at RA1_bit;
sbit LCD_D6 at RA2_bit;
sbit LCD_D7 at RA3_bit;
sbit LCD_RS_Direction at TRISB4_bit;
sbit LCD_EN_Direction at TRISB5_bit;
sbit LCD_D4_Direction at TRISA0_bit;
sbit LCD_D5_Direction at TRISA1_bit;
sbit LCD_D6_Direction at TRISA2_bit;
sbit LCD_D7_Direction at TRISA3_bit;
*/
/*
char txt3[] = "Lcd4bit";
char txt4[] = "example";
*/
void setup() {
TRISB.RB3=0;
TRISB.RB0=0;
TRISB.RB6=0;
PORTB.RB0=0;
PORTB.RB3=0;
PORTB.RB6=0;
CMCON=7;
UART1_Init(9600); // Initialize UART module at 9600 bps
/*
Lcd_Init(); // Initialize LCD
*/
/*
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
Lcd_Out(1,6,txt3); // Write text in first row
Lcd_Out(2,6,txt4); // Write text in second row
Delay_ms(2000);
Lcd_Cmd(_LCD_CLEAR); // Clear display
*/
Delay_ms(100); // Wait for UART module to stabilize
/* for (i=0;i < 5;i++){
delay_ms(100);
}
*/
}
void main() {
setup();
UART1_Write_Text("AT+SAPBR=3,1,\"Contype\",\"GPRS\"");
UART1_Write(0x0D);
UART1_Write(0x0A);
do{
while(UART1_Data_Ready() == 0);
}while(UART1_Read()!= 'K');
delay_ms(200);
PORTB.RB3=1;
UART1_Write_Text("AT+SAPBR=3,1,\"APN\",\"wap\"");
UART1_Write(0x0D);
UART1_Write(0x0A);
do{
while(UART1_Data_Ready() == 0);
}while(UART1_Read()!='K');
delay_ms(100);
PORTB.RB3=0;
UART1_Write_Text("AT+SAPBR=1,1");
UART1_Write(0x0D);
UART1_Write(0x0A);
do{
while(UART1_Data_Ready() == 0);
}while(UART1_Read()!='K');
delay_ms(100);
PORTB.RB3=1;
UART1_Write_Text("AT+HTTPINIT");
UART1_Write(0x0D);
UART1_Write(0x0A);
do{
while(UART1_Data_Ready() == 0);
}while(UART1_Read()!='K');
delay_ms(100);
PORTB.RB3=0;
UART1_Write_Text("AT+HTTPPARA=\"CID\",1");
UART1_Write(0x0D);
UART1_Write(0x0A);
do{
while(UART1_Data_Ready() == 0);
}while(UART1_Read()!='K');
delay_ms(100);
PORTB.RB3=1;
UART1_Write_Text("AT+HTTPPARA=\"URL\",\"maruf.eee-lab.com/maruf.txt\"");
UART1_Write(0x0D);
UART1_Write(0x0A);
do{
while(UART1_Data_Ready() == 0);
}while(UART1_Read()!='K');
delay_ms(100);
PORTB.RB3=1;
PORTB.RB0=1;
UART1_Write_Text("AT+HTTPACTION=0"); //Connects with the HTTP server, this action can need to wait a several time
UART1_Write(0x0D);
UART1_Write(0x0A);
x=0;
do{
while(UART1_Data_Ready()==0);
}while(UART1_Read()!=0x2C);
PORTB.RB3=0;
PORTB.RB0=0;
do{
while(UART1_Data_Ready()==0);
}while(UART1_Read()!=0x0A);
delay_ms(100);
PORTB.RB3=0;
PORTB.RB0=0;
UART1_Write_Text("AT+HTTPREAD=0,200"); //Reads 200 bytes from byte 0
UART1_Write(0x0D);
UART1_Write(0x0A);
do{
while(UART1_Data_Ready()==0);
}while(UART1_Read()!=':');
data_size=0;
while(UART1_Data_Ready()==0);
aux=UART1_Read();
do{
data_size*=10;
data_size+=(aux-0x30);
while(UART1_Data_Ready()==0);
aux=UART1_Read();
}while(aux!='\r');
do{
while(UART1_Data_Ready()==0);
}while(UART1_Read()!='\n');
for(x=0;x<=data_size;x++){
while(UART1_Data_Ready()==0);
data1[x]=UART1_Read();
}
if(data1[0]=='1')
{
PORTB.RB6=1;
}
else
{
PORTB.RB6=0;
}
delay_ms(5000);
} |