FreeCalypso > hg > freecalypso-tools
annotate rvinterf/asyncshell/at.c @ 84:54a6864cabf4
loadtools: hwparamstubs.c split in preparation for adding fc-buzplay
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 27 Oct 2016 05:11:05 +0000 |
parents | bbc41034f14c |
children | dd0247097097 |
rev | line source |
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1 /* |
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2 * Functions for the AT-over-RVTMUX interface |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <sys/errno.h> |
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7 #include <stdio.h> |
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8 #include <ctype.h> |
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9 #include <string.h> |
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10 #include <strings.h> |
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11 #include <stdlib.h> |
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12 #include <unistd.h> |
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13 #include "pktmux.h" |
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14 #include "limits.h" |
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15 #include "exitcodes.h" |
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16 |
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17 extern u_char rvi_msg[]; |
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18 extern int rvi_msg_len; |
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19 extern int oneshot_nowait; |
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20 extern int sock; |
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21 |
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22 send_string_to_ati(str) |
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23 char *str; |
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24 { |
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25 unsigned len; |
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26 u_char sendpkt[MAX_PKT_TO_TARGET+1]; |
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27 |
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28 len = strlen(str); |
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29 if (len + 1 > MAX_PKT_TO_TARGET) { |
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30 printf("error: max pkt to target limit exceeded\n"); |
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31 return(ERROR_USAGE); |
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32 } |
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33 /* fill out the packet */ |
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34 sendpkt[0] = RVT_AT_HEADER; |
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35 strcpy(sendpkt + 1, str); |
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36 /* send it! */ |
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37 send_pkt_to_target(sendpkt, len + 1); |
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38 return(0); |
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39 } |
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40 |
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41 void |
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42 cmd_sendat(arg) |
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43 char *arg; |
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44 { |
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45 while (isspace(*arg)) |
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46 arg++; |
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47 if (!*arg) { |
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48 printf("error: missing string argument\n"); |
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49 return; |
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50 } |
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51 ati_rx_control(1); |
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52 send_string_to_ati(arg); |
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53 } |
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54 |
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55 oneshot_at_command(cmd) |
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56 char *cmd; |
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57 { |
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58 fd_set fds; |
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59 int rc; |
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60 |
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61 if (!oneshot_nowait) { |
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62 init(); /* to catch the response properly */ |
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63 ati_rx_control(1); |
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64 } |
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65 rc = send_string_to_ati(cmd); |
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66 if (rc) |
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67 exit(rc); |
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68 if (oneshot_nowait) |
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69 exit(0); |
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70 /* wait for response */ |
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71 for (;;) { |
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72 FD_ZERO(&fds); |
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73 FD_SET(sock, &fds); |
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74 rc = select(sock+1, &fds, 0, 0, 0); |
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75 if (rc < 0) { |
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76 if (errno == EINTR) |
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77 continue; |
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78 perror("select"); |
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79 exit(ERROR_UNIX); |
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80 } |
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81 if (FD_ISSET(sock, &fds)) |
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82 handle_rvinterf_input(); |
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83 } |
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84 } |
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85 |
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86 cmd_str_oneshot(argc, argv) |
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87 char **argv; |
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88 { |
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89 return oneshot_at_command(argv[1]); |
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90 } |
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91 |
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92 void |
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93 oneshot_at_check_response() |
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94 { |
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95 if (rvi_msg_len == 4 && !strncmp(rvi_msg + 2, "OK", 2)) |
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96 exit(0); |
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97 if (rvi_msg_len == 4 && !strncmp(rvi_msg + 2, "> ", 2)) |
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98 exit(0); |
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99 if (rvi_msg_len == 7 && !strncmp(rvi_msg + 2, "ERROR", 5)) |
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100 exit(ERROR_TARGET); |
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101 if (rvi_msg_len == 6 && !strncmp(rvi_msg + 2, "BUSY", 4)) |
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102 exit(ERROR_TARGET); |
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103 if (rvi_msg_len == 12 && !strncmp(rvi_msg + 2, "NO CARRIER", 10)) |
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104 exit(ERROR_TARGET); |
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105 if (rvi_msg_len >= 12 && !strncmp(rvi_msg + 2, "+CME ERROR", 10)) |
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106 exit(ERROR_TARGET); |
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107 if (rvi_msg_len >= 12 && !strncmp(rvi_msg + 2, "+CMS ERROR", 10)) |
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108 exit(ERROR_TARGET); |
bbc41034f14c
fc-shell: added support for AT commands in one-shot mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
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