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
|
/*
* File Name: test_gprs.c
* Workflow: init serial port, write to GPRS module
* Return Value: 0 always
*/
/* Header files */
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "uart_api.h"
int main() {
int gprs_fd;
gprs_fd = open_port("/dev/ttyUSB0");
set_comfig(gprs_fd, 9600);
char temp[32] = {0};
memset(temp, '\0', 32);
strcpy(temp, "AT\n");
write(gprs_fd, temp, strlen(temp));
read(gprs_fd, temp, 32);
if (strncmp(temp, "OK", 2)) {
printf("[SUCCESS]Connection fine!\n");
} else {
printf("[ERROR]Connection invalid!\n");
}
sleep(1);
printf("Testing module function......\n");
memset(temp, '\0', 32);
sprintf(temp, "ATD%s;", "YOUR PHONE NUMBER");
strcat(temp, "\n");
write(gprs_fd, temp, strlen(temp));
return 0;
}
|