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annotate uptools/atinterf/fcup-atinterf.c @ 1014:961efadd530a default tip

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fc-shell TCH DL handler: add support for CSD modes TCH DL capture mechanism in FC Tourmaline firmware has been extended to support CSD modes in addition to speech - add the necessary support on the host tools side. It needs to be noted that this mechanism in its present state does NOT provide the debug utility value that was sought: as we learned only after the code was implemented, TI's DSP has a misfeature in that the buffer we are reading (a_dd_0[]) is zeroed out when the IDS block is enabled, i.e., we are reading all zeros and not the real DL bits we were after. But since the code has already been written, we are keeping it - perhaps we can do some tests with IDS disabled.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 26 Nov 2024 06:27:43 +0000
parents 13f0fc38cefd
children
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1 #include <sys/types.h>
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2 #include <sys/time.h>
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5 #include <string.h>
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6 #include <strings.h>
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7 #include <termios.h>
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8 #include <unistd.h>
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9
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10 extern int target_fd;
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11
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12 FILE *target_rd;
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13 char response[515];
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14
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15 char command[513], message[513];
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16 int cmd_with_msg;
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17
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18 read_command_input(buf)
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19 char *buf;
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20 {
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21 char *nl;
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22
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23 if (!fgets(buf, 513, stdin))
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24 return(0);
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25 nl = index(buf, '\n');
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26 if (!nl) {
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27 printf("Ecommand or message is too long\n");
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28 exit(1);
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29 }
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30 *nl = '\0';
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31 return(1);
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32 }
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33
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34 send_to_target(cmd, term)
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35 char *cmd;
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36 {
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37 char *endp;
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38 int len, cc;
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39
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40 endp = index(cmd, '\0');
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41 *endp = term;
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42 len = endp - cmd + 1;
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43 cc = write(target_fd, cmd, len);
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44 *endp = '\0';
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45 if (cc != len) {
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46 printf("Etarget write error\n");
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47 exit(1);
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48 }
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49 }
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50
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51 single_char_to_target(ch)
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52 {
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53 char buf = ch;
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54 int cc;
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55
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56 cc = write(target_fd, &buf, 1);
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57 if (cc != 1) {
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58 printf("Etarget write error\n");
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59 exit(1);
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60 }
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61 }
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62
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63 collect_target_response()
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64 {
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65 char *nl;
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66
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67 if (!fgets(response, 515, target_rd)) {
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68 printf("Etarget read error\n");
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69 exit(1);
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70 }
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71 nl = index(response, '\n');
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72 if (!nl) {
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73 printf("Etarget response is too long\n");
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74 exit(1);
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75 }
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76 while (nl > response && nl[-1] == '\r')
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77 nl--;
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78 *nl = '\0';
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79 }
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80
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81 execute_command()
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82 {
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83 int c;
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84
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85 send_to_target(command, '\r');
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86 collect_target_response();
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87 if (strcmp(command, response)) {
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88 printf("Efailed to get echo of command\n");
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89 exit(1);
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90 }
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91 if (cmd_with_msg) {
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92 if ((c = getc(target_rd)) != '>') {
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93 ungetc(c, target_rd);
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94 collect_target_response();
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95 printf("F%s\n", response);
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96 return;
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97 }
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98 if ((c = getc(target_rd)) != ' ') {
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99 ungetc(c, target_rd);
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100 collect_target_response();
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101 printf("F%s\n", response);
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102 return;
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103 }
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104 send_to_target(message, '\032');
341
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105 collect_target_response();
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106 if (strcmp(message, response)) {
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107 printf("Efailed to get echo of message\n");
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108 exit(1);
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109 }
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110 }
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111 for (;;) {
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112 collect_target_response();
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113 if (!strcmp(response, "OK") || !strcmp(response, "ERROR") ||
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114 !strcmp(response, "BUSY") ||
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115 !strcmp(response, "NO CARRIER") ||
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116 !strncmp(response, "+CME ERROR", 10) ||
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117 !strncmp(response, "+CMS ERROR", 10)) {
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118 printf("F%s\n", response);
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119 return;
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120 }
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121 printf("I%s\n", response);
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122 }
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123 }
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124
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125 wakeup_at()
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126 {
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127 single_char_to_target('A');
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128 usleep(30000);
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129 single_char_to_target('T');
426
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130 usleep(30000);
345
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131 single_char_to_target('\r');
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132 collect_target_response();
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133 if (response[0] && strcmp(response, "AT")) {
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134 badresp: printf("Ebad response to wakeup AT command\n");
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135 exit(1);
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136 }
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137 collect_target_response();
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138 if (strcmp(response, "OK"))
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139 goto badresp;
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140 }
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
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141
341
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142 main(argc, argv)
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143 char **argv;
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144 {
345
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
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145 int wakeup_after_sec = 7;
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diff changeset
146 struct timeval curtime, last_time, timediff;
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
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parents: 344
diff changeset
147
341
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148 if (argc < 3 || argc > 4) {
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149 fprintf(stderr,
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150 "usage: %s ttyport baudrate [wakeup-after-sec]\n",
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parents:
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151 argv[0]);
692dbc4c2f07 fcup-atinterf program written, compiles
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152 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
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153 }
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Mychaela Falconia <falcon@freecalypso.org>
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154 open_serial_port(argv[1]);
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Mychaela Falconia <falcon@freecalypso.org>
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155 set_fixed_baudrate(argv[2]);
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Mychaela Falconia <falcon@freecalypso.org>
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156 if (argc > 3)
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Mychaela Falconia <falcon@freecalypso.org>
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157 wakeup_after_sec = strtoul(argv[3], 0, 0);
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parents:
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158
425
7eddc2578fdb fcup-atinterf: added 20 ms serial flush
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diff changeset
159 usleep(20000);
7eddc2578fdb fcup-atinterf: added 20 ms serial flush
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diff changeset
160 tcflush(target_fd, TCIFLUSH);
345
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
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diff changeset
161 set_serial_nonblock(0);
341
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 target_rd = fdopen(target_fd, "r");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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163 if (!target_rd) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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164 perror("fdopen");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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165 exit(1);
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parents:
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166 }
345
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
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parents: 344
diff changeset
167 bzero(&last_time, sizeof(struct timeval));
341
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parents:
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168
692dbc4c2f07 fcup-atinterf program written, compiles
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parents:
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169 while (read_command_input(command)) {
692dbc4c2f07 fcup-atinterf program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
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170 if (!strcasecmp(command, "c+m")) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 cmd_with_msg = 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 if (!read_command_input(command))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 break;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 if (!read_command_input(message))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 break;
692dbc4c2f07 fcup-atinterf program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 } else
692dbc4c2f07 fcup-atinterf program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 cmd_with_msg = 0;
345
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
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parents: 344
diff changeset
178 if (wakeup_after_sec) {
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
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parents: 344
diff changeset
179 gettimeofday(&curtime, 0);
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
Mychaela Falconia <falcon@freecalypso.org>
parents: 344
diff changeset
180 timersub(&curtime, &last_time, &timediff);
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
Mychaela Falconia <falcon@freecalypso.org>
parents: 344
diff changeset
181 if (timediff.tv_sec >= wakeup_after_sec)
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
Mychaela Falconia <falcon@freecalypso.org>
parents: 344
diff changeset
182 wakeup_at();
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
183 bcopy(&curtime, &last_time, sizeof(struct timeval));
cc207d81c05f fcup-atinterf: implemented wakeup of sleeping targets
Mychaela Falconia <falcon@freecalypso.org>
parents: 344
diff changeset
184 }
341
692dbc4c2f07 fcup-atinterf program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 execute_command();
692dbc4c2f07 fcup-atinterf program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 fflush(stdout);
692dbc4c2f07 fcup-atinterf program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
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187 }
692dbc4c2f07 fcup-atinterf program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 exit(0);
692dbc4c2f07 fcup-atinterf program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 }