Sun, 10 Aug 2014 17:42:02 +0200
Removed debugging output
1 | 1 | /***************************************************************************** |
2 | * Copyright (C) 2014 | |
3 | * | |
4 | * Michiel Broek <mbroek at mbse dot eu> | |
5 | * | |
6 | * This file is part of the mbsePi-apps | |
7 | * | |
8 | * This is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * mbsePi-apps is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with EC-65K; see the file COPYING. If not, write to the Free | |
20 | * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
21 | *****************************************************************************/ | |
22 | ||
51
a03b6dac5398
Removed library, bumped to version 0.0.7
Michiel Broek <mbroek@mbse.eu>
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23 | #include "thermometers.h" |
1 | 24 | |
25 | ||
144
3446371e0bdb
Removed code dependencies to mosquitto and owfs
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26 | static int my_shutdown = FALSE; |
12 | 27 | static pid_t pgrp, mypid; |
6 | 28 | |
144
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Removed code dependencies to mosquitto and owfs
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parents:
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29 | extern int debug; |
8
e584bc0177df
Server communication seems ok, can handle server shutdowns too.
Michiel Broek <mbroek@mbse.eu>
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30 | extern sys_config Config; |
18
3f4823083b9d
wirinPi code is now conditional
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31 | #ifdef HAVE_WIRINGPI_H |
16
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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32 | extern int lcdHandle; |
18
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33 | #endif |
8
e584bc0177df
Server communication seems ok, can handle server shutdowns too.
Michiel Broek <mbroek@mbse.eu>
parents:
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34 | |
e584bc0177df
Server communication seems ok, can handle server shutdowns too.
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parents:
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35 | int server(void); |
e584bc0177df
Server communication seems ok, can handle server shutdowns too.
Michiel Broek <mbroek@mbse.eu>
parents:
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36 | void help(void); |
e584bc0177df
Server communication seems ok, can handle server shutdowns too.
Michiel Broek <mbroek@mbse.eu>
parents:
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37 | void die(int); |
6 | 38 | |
39 | ||
1 | 40 | void help(void) |
41 | { | |
12 | 42 | fprintf(stdout, "mbsePi-apps thermometers v%s starting\n\n", VERSION); |
1 | 43 | fprintf(stdout, "Usage: thermomeneters [-d] [-h]\n"); |
12 | 44 | fprintf(stdout, " -d --debug Debug and run in foreground\n"); |
1 | 45 | fprintf(stdout, " -h --help Display this help\n"); |
46 | } | |
47 | ||
48 | ||
49 | ||
50 | void die(int onsig) | |
51 | { | |
52 | switch (onsig) { | |
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Server communication seems ok, can handle server shutdowns too.
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53 | case SIGHUP: syslog(LOG_NOTICE, "Got SIGHUP, shutting down"); |
1 | 54 | break; |
8
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Server communication seems ok, can handle server shutdowns too.
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parents:
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55 | case SIGINT: syslog(LOG_NOTICE, "Keyboard interrupt, shutting down"); |
1 | 56 | break; |
8
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Server communication seems ok, can handle server shutdowns too.
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57 | case SIGTERM: syslog(LOG_NOTICE, "Got SIGTERM, shutting down"); |
1 | 58 | break; |
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Server communication seems ok, can handle server shutdowns too.
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59 | default: syslog(LOG_NOTICE, "die() on signal %d", onsig); |
1 | 60 | } |
61 | ||
144
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62 | my_shutdown = TRUE; |
1 | 63 | } |
64 | ||
65 | ||
66 | ||
18
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67 | #ifdef HAVE_WIRINGPI_H |
16
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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68 | void stopLCD(void) |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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69 | { |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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70 | lcdClear(lcdHandle); |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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71 | setBacklight(0); |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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72 | } |
18
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73 | #endif |
16
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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74 | |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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75 | |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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76 | |
1 | 77 | int main(int argc, char *argv[]) |
78 | { | |
12 | 79 | int rc, c, i; |
80 | pid_t frk; | |
18
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81 | #ifdef HAVE_WIRINGPI_H |
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Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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82 | char buf[80]; |
18
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83 | #endif |
1 | 84 | |
85 | while (1) { | |
86 | int option_index = 0; | |
87 | static struct option long_options[] = { | |
88 | {"debug", 0, 0, 'c'}, | |
89 | {"help", 0, 0, 'h'}, | |
90 | {0, 0, 0, 0} | |
91 | }; | |
92 | ||
93 | c = getopt_long(argc, argv, "dh", long_options, &option_index); | |
94 | if (c == -1) | |
95 | break; | |
96 | ||
97 | switch (c) { | |
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98 | case 'd': debug = TRUE; |
1 | 99 | break; |
100 | case 'h': help(); | |
101 | return 1; | |
102 | } | |
103 | } | |
104 | ||
8
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Server communication seems ok, can handle server shutdowns too.
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105 | openlog("thermometers", LOG_PID|LOG_CONS|LOG_NOWAIT, LOG_USER); |
e584bc0177df
Server communication seems ok, can handle server shutdowns too.
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parents:
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106 | syslog(LOG_NOTICE, "mbsePi-apps thermometers v%s starting", VERSION); |
12 | 107 | if (debug) |
108 | fprintf(stdout, "mbsePi-apps thermometers v%s starting\n", VERSION); | |
8
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Server communication seems ok, can handle server shutdowns too.
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parents:
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109 | |
24
873786a20a61
Read configuraion searches two system paths and users home path. Also the configuration filename must be passed to the rdconfig function
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110 | if (rdconfig((char *)"thermometers.conf")) { |
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Server communication seems ok, can handle server shutdowns too.
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111 | fprintf(stderr, "Error reading configuration\n"); |
145 | 112 | syslog(LOG_NOTICE, "Error reading configuration, halted"); |
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Server communication seems ok, can handle server shutdowns too.
Michiel Broek <mbroek@mbse.eu>
parents:
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113 | return 1; |
e584bc0177df
Server communication seems ok, can handle server shutdowns too.
Michiel Broek <mbroek@mbse.eu>
parents:
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114 | } |
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Server communication seems ok, can handle server shutdowns too.
Michiel Broek <mbroek@mbse.eu>
parents:
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115 | |
1 | 116 | /* |
117 | * Catch all the signals we can, and ignore the rest. Note that SIGKILL can't be ignored | |
118 | * but that's live. This daemon should only be stopped by SIGTERM. | |
119 | * Don't catch SIGCHLD. | |
120 | */ | |
121 | for (i = 0; i < NSIG; i++) { | |
122 | if ((i != SIGCHLD) && (i != SIGKILL) && (i != SIGSTOP)) | |
123 | signal(i, (void (*))die); | |
124 | } | |
125 | ||
18
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126 | #ifdef HAVE_WIRINGPI_H |
28
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Coolers working with a hardcode reference
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127 | |
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128 | if (wiringPiSetup () ) |
32ed1ea4d0b6
Coolers working with a hardcode reference
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129 | return 1; |
32ed1ea4d0b6
Coolers working with a hardcode reference
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130 | |
16
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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parents:
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131 | if ((rc = initLCD (16, 2))) { |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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132 | fprintf(stderr, "Cannot initialize LCD display, rc=%d\n", rc); |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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133 | return 1; |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
Michiel Broek <mbroek@mbse.eu>
parents:
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134 | } |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
Michiel Broek <mbroek@mbse.eu>
parents:
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135 | |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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parents:
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136 | lcdPosition(lcdHandle, 0, 0); |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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parents:
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137 | lcdPuts(lcdHandle, "Thermometers"); |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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parents:
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138 | lcdPosition(lcdHandle, 0, 1); |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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139 | sprintf(buf, "Version %s", VERSION); |
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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140 | lcdPuts(lcdHandle, buf); |
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141 | #endif |
12 | 142 | |
143 | if (debug) { | |
144 | /* | |
145 | * For debugging run in foreground. | |
146 | */ | |
147 | rc = server(); | |
148 | } else { | |
149 | /* | |
150 | * Server initialization is complete. Now we can fork the | |
151 | * daemon and return to the user. We need to do a setpgrp | |
152 | * so that the daemon will no longer be assosiated with the | |
153 | * users control terminal. This is done before the fork, so | |
154 | * that the child will not be a process group leader. Otherwise, | |
155 | * if the child were to open a terminal, it would become | |
156 | * associated with that terminal as its control terminal. | |
157 | */ | |
158 | if ((pgrp = setpgid(0, 0)) == -1) { | |
159 | syslog(LOG_NOTICE, "setpgpid failed"); | |
160 | } | |
161 | ||
162 | frk = fork(); | |
163 | switch (frk) { | |
164 | case -1: | |
165 | syslog(LOG_NOTICE, "Daemon fork failed: %s", strerror(errno)); | |
166 | syslog(LOG_NOTICE, "Finished, rc=1"); | |
18
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167 | #ifdef HAVE_WIRINGPI_H |
16
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Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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168 | stopLCD(); |
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169 | #endif |
12 | 170 | exit(1); |
171 | case 0: /* | |
172 | * Run the daemon | |
173 | */ | |
174 | fclose(stdin); | |
175 | if (open("/dev/null", O_RDONLY) != 0) { | |
176 | syslog(LOG_NOTICE, "Reopen of stdin to /dev/null failed"); | |
177 | _exit(2); | |
178 | } | |
179 | fclose(stdout); | |
180 | if (open("/dev/null", O_WRONLY | O_APPEND | O_CREAT,0600) != 1) { | |
181 | syslog(LOG_NOTICE, "Reopen of stdout to /dev/null failed"); | |
182 | _exit(2); | |
183 | } | |
184 | fclose(stderr); | |
185 | if (open("/dev/null", O_WRONLY | O_APPEND | O_CREAT,0600) != 2) { | |
186 | syslog(LOG_NOTICE, "Reopen of stderr to /dev/null failed"); | |
187 | _exit(2); | |
188 | } | |
189 | mypid = getpid(); | |
190 | rc = server(); | |
191 | break; | |
192 | /* Not reached */ | |
193 | default: | |
194 | /* | |
195 | * Here we detach this process and let the child | |
196 | * run the deamon process. | |
197 | */ | |
198 | syslog(LOG_NOTICE, "Starting daemon with pid %d", frk); | |
199 | exit(0); | |
200 | } | |
201 | } | |
202 | ||
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203 | syslog(LOG_NOTICE, "Finished, rc=%d", rc); |
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204 | return rc; |
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205 | } |
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Server communication seems ok, can handle server shutdowns too.
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206 | |
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Server communication seems ok, can handle server shutdowns too.
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207 | |
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Server communication seems ok, can handle server shutdowns too.
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208 | |
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Server communication seems ok, can handle server shutdowns too.
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209 | int server(void) |
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210 | { |
145 | 211 | int temp, rc = 0; |
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212 | #ifdef HAVE_WIRINGPI_H |
149
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213 | char buf[1024]; |
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214 | int lcdupdate; |
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215 | #endif |
145 | 216 | w1_therm *tmp1; |
217 | char *device, line[60], *p = NULL; | |
11
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Working reading thermometers and sending data to a MQTT server.
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218 | FILE *fp; |
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219 | |
12 | 220 | if (debug) |
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221 | fprintf(stdout, (char *)"Enter loop\n"); |
12 | 222 | |
6 | 223 | do { |
18
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224 | #ifdef HAVE_WIRINGPI_H |
16
f4cbe008da72
Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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225 | lcdupdate = FALSE; |
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226 | #endif |
16
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Version 0.0.2. Added LCD display using wiringPi library. The display is connected via a LCM1602 IIC board.
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227 | |
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228 | /* |
12 | 229 | * Here send our 1-wire sensors values |
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230 | */ |
145 | 231 | for (tmp1 = Config.w1therms; tmp1; tmp1 = tmp1->next) { |
11
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Working reading thermometers and sending data to a MQTT server.
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232 | |
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233 | /* |
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234 | * Build path and alias topic |
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235 | */ |
f78f313b1d34
Working reading thermometers and sending data to a MQTT server.
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236 | device = xstrcpy((char *)"/sys/bus/w1/devices/"); |
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237 | device = xstrcat(device, tmp1->master); |
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238 | device = xstrcat(device, (char *)"/"); |
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239 | device = xstrcat(device, tmp1->name); |
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240 | device = xstrcat(device, (char *)"/w1_slave"); |
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241 | |
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242 | /* |
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243 | * Read sensor data |
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244 | */ |
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245 | if ((fp = fopen(device, "r"))) { |
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246 | /* |
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247 | * The output looks like: |
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248 | * 72 01 4b 46 7f ff 0e 10 57 : crc=57 YES |
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249 | * 72 01 4b 46 7f ff 0e 10 57 t=23125 |
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250 | */ |
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251 | fgets(line, 50, fp); |
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252 | line[strlen(line)-1] = '\0'; |
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253 | if ((line[36] == 'Y') && (line[37] == 'E')) { |
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254 | /* |
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255 | * CRC is Ok, continue |
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256 | */ |
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257 | fgets(line, 50, fp); |
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258 | line[strlen(line)-1] = '\0'; |
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259 | strtok(line, (char *)"="); |
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260 | p = strtok(NULL, (char *)"="); |
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261 | rc = sscanf(p, "%d", &temp); |
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262 | if ((rc == 1) && (tmp1->lastval != temp)) { |
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263 | tmp1->lastval = temp; |
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264 | #ifdef HAVE_WIRINGPI_H |
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265 | lcdupdate = TRUE; |
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266 | #endif |
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267 | } |
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268 | } else { |
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269 | syslog(LOG_NOTICE, "sensor %s/%s CRC error", tmp1->master, tmp1->name); |
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270 | } |
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271 | fclose(fp); |
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272 | tmp1->present = 1; |
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273 | } else { |
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274 | tmp1->present = 0; |
12 | 275 | if (debug) |
276 | printf("sensor %s is missing\n", tmp1->name); | |
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277 | } |
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278 | |
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279 | free(device); |
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280 | device = NULL; |
10 | 281 | } |
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282 | |
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283 | #ifdef HAVE_WIRINGPI_H |
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284 | if (lcdupdate) { |
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285 | lcdPosition(lcdHandle, 0, 0); |
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286 | tmp1 = Config.w1therms; |
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287 | snprintf(buf, 16, "%5.1f %cC %s ", tmp1->lastval / 1000.0, 0xdf, tmp1->alias); |
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288 | lcdPuts(lcdHandle, buf); |
145 | 289 | tmp1 = tmp1->next; |
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290 | lcdPosition(lcdHandle, 0, 1); |
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291 | snprintf(buf, 16, "%5.1f %cC %s ", tmp1->lastval / 1000.0, 0xdf, tmp1->alias); |
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292 | lcdPuts(lcdHandle, buf); |
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293 | } |
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294 | #endif |
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295 | |
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296 | if (my_shutdown) { |
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297 | #ifdef HAVE_WIRINGPI_H |
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298 | lcdClear(lcdHandle); |
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299 | lcdPosition(lcdHandle, 0, 0); |
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300 | lcdPuts(lcdHandle, "Shuting down ..."); |
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301 | #endif |
6 | 302 | } |
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303 | |
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304 | usleep(100000); |
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305 | |
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306 | } while (! my_shutdown); |
12 | 307 | |
308 | if (debug) | |
309 | fprintf(stdout, (char *)"Out of loop\n"); | |
6 | 310 | |
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311 | #ifdef HAVE_WIRINGPI_H |
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312 | stopLCD(); |
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313 | #endif |
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314 | |
12 | 315 | return rc; |
1 | 316 | } |
317 |