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comparison rvinterf/asyncshell/at.c @ 75:bbc41034f14c

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fc-shell: added support for AT commands in one-shot mode
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 27 Oct 2016 02:13:38 +0000
parents d43d82cbfb85
children dd0247097097
comparison
equal deleted inserted replaced
74:84920d3d97c6 75:bbc41034f14c
1 /* 1 /*
2 * Functions for the AT-over-RVTMUX interface 2 * Functions for the AT-over-RVTMUX interface
3 */ 3 */
4 4
5 #include <sys/types.h> 5 #include <sys/types.h>
6 #include <sys/errno.h>
6 #include <stdio.h> 7 #include <stdio.h>
7 #include <ctype.h> 8 #include <ctype.h>
8 #include <string.h> 9 #include <string.h>
9 #include <strings.h> 10 #include <strings.h>
10 #include <stdlib.h> 11 #include <stdlib.h>
12 #include <unistd.h>
11 #include "pktmux.h" 13 #include "pktmux.h"
12 #include "limits.h" 14 #include "limits.h"
13 #include "exitcodes.h" 15 #include "exitcodes.h"
16
17 extern u_char rvi_msg[];
18 extern int rvi_msg_len;
19 extern int oneshot_nowait;
20 extern int sock;
14 21
15 send_string_to_ati(str) 22 send_string_to_ati(str)
16 char *str; 23 char *str;
17 { 24 {
18 unsigned len; 25 unsigned len;
42 return; 49 return;
43 } 50 }
44 ati_rx_control(1); 51 ati_rx_control(1);
45 send_string_to_ati(arg); 52 send_string_to_ati(arg);
46 } 53 }
54
55 oneshot_at_command(cmd)
56 char *cmd;
57 {
58 fd_set fds;
59 int rc;
60
61 if (!oneshot_nowait) {
62 init(); /* to catch the response properly */
63 ati_rx_control(1);
64 }
65 rc = send_string_to_ati(cmd);
66 if (rc)
67 exit(rc);
68 if (oneshot_nowait)
69 exit(0);
70 /* wait for response */
71 for (;;) {
72 FD_ZERO(&fds);
73 FD_SET(sock, &fds);
74 rc = select(sock+1, &fds, 0, 0, 0);
75 if (rc < 0) {
76 if (errno == EINTR)
77 continue;
78 perror("select");
79 exit(ERROR_UNIX);
80 }
81 if (FD_ISSET(sock, &fds))
82 handle_rvinterf_input();
83 }
84 }
85
86 cmd_str_oneshot(argc, argv)
87 char **argv;
88 {
89 return oneshot_at_command(argv[1]);
90 }
91
92 void
93 oneshot_at_check_response()
94 {
95 if (rvi_msg_len == 4 && !strncmp(rvi_msg + 2, "OK", 2))
96 exit(0);
97 if (rvi_msg_len == 4 && !strncmp(rvi_msg + 2, "> ", 2))
98 exit(0);
99 if (rvi_msg_len == 7 && !strncmp(rvi_msg + 2, "ERROR", 5))
100 exit(ERROR_TARGET);
101 if (rvi_msg_len == 6 && !strncmp(rvi_msg + 2, "BUSY", 4))
102 exit(ERROR_TARGET);
103 if (rvi_msg_len == 12 && !strncmp(rvi_msg + 2, "NO CARRIER", 10))
104 exit(ERROR_TARGET);
105 if (rvi_msg_len >= 12 && !strncmp(rvi_msg + 2, "+CME ERROR", 10))
106 exit(ERROR_TARGET);
107 if (rvi_msg_len >= 12 && !strncmp(rvi_msg + 2, "+CMS ERROR", 10))
108 exit(ERROR_TARGET);
109 }