Mercurial > mbsePi-apps / file comparison
comparison: mash/mash.c
mash/mash.c
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- 6d139c21e22c
- parent 537
- 4eebab50993e
- child 539
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| 537:4eebab50993e | 538:6d139c21e22c |
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| 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 | |
| 23 #include "mash.h" | |
| 24 #include "lock.h" | |
| 25 #include "logger.h" | |
| 26 #include "xutil.h" | |
| 27 #include "beerxml.h" | |
| 28 #include "lcd-pcf8574.h" | |
| 29 #include "sensors.h" | |
| 30 | |
| 31 | |
| 32 #ifdef HAVE_WIRINGPI_H | |
| 33 | |
| 34 /* wiringPi */ | |
| 35 #include <wiringPi.h> | |
| 36 #include <pcf8574.h> | |
| 37 #include <lcd.h> | |
| 38 | |
| 39 int tempA = 80; | |
| 40 int tempB = 80; | |
| 41 int coolerA = 0; | |
| 42 int coolerB = 0; | |
| 43 | |
| 44 int my_shutdown = FALSE; | |
| 45 static pid_t pgrp, mypid; | |
| 46 | |
| 47 extern int debug; | |
| 48 extern sys_config Config; | |
| 49 extern int lcdHandle; | |
| 50 extern unsigned char lcdbuf[MAX_LCDS][20][4]; | |
| 51 int lcdupdate; | |
| 52 | |
| 53 | |
| 54 void help(void); | |
| 55 void die(int); | |
| 56 void stopLCD(void); | |
| 57 int server(void); | |
| 58 | |
| 59 | |
| 60 void help(void) | |
| 61 { | |
| 62 fprintf(stdout, "mbsePi-apps mash v%s starting\n\n", VERSION); | |
| 63 fprintf(stdout, "Usage: mash [-d] [-h]\n"); | |
| 64 fprintf(stdout, " -d --debug Debug and run in foreground\n"); | |
| 65 fprintf(stdout, " -h --help Display this help\n"); | |
| 66 } | |
| 67 | |
| 68 | |
| 69 | |
| 70 void die(int onsig) | |
| 71 { | |
| 72 switch (onsig) { | |
| 73 case SIGHUP: syslog(LOG_NOTICE, "Got SIGHUP, shutting down"); | |
| 74 break; | |
| 75 case SIGINT: syslog(LOG_NOTICE, "Keyboard interrupt, shutting down"); | |
| 76 break; | |
| 77 case SIGTERM: syslog(LOG_NOTICE, "Got SIGTERM, shutting down"); | |
| 78 break; | |
| 79 default: syslog(LOG_NOTICE, "die() on signal %d", onsig); | |
| 80 } | |
| 81 | |
| 82 my_shutdown = TRUE; | |
| 83 } | |
| 84 | |
| 85 | |
| 86 | |
| 87 void stopLCD(void) | |
| 88 { | |
| 89 mb_lcdClear(lcdHandle); | |
| 90 setBacklight(0); | |
| 91 } | |
| 92 | |
| 93 | |
| 94 | |
| 95 int main(int argc, char *argv[]) | |
| 96 { | |
| 97 int rc, c, i; | |
| 98 pid_t frk; | |
| 99 char buf[80]; | |
| 100 | |
| 101 while (1) { | |
| 102 int option_index = 0; | |
| 103 static struct option long_options[] = { | |
| 104 {"debug", 0, 0, 'c'}, | |
| 105 {"help", 0, 0, 'h'}, | |
| 106 {0, 0, 0, 0} | |
| 107 }; | |
| 108 | |
| 109 c = getopt_long(argc, argv, "dh", long_options, &option_index); | |
| 110 if (c == -1) | |
| 111 break; | |
| 112 | |
| 113 switch (c) { | |
| 114 case 'd': debug = TRUE; | |
| 115 break; | |
| 116 case 'h': help(); | |
| 117 return 1; | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 | |
| 122 parseBeerXML((char *)"/home/mbroek/Downloads/SalmoGold.xml"); | |
| 123 | |
| 124 return 0; | |
| 125 | |
| 126 openlog("mash", LOG_PID|LOG_CONS|LOG_NOWAIT, LOG_USER); | |
| 127 syslog(LOG_NOTICE, "mbsePi-apps mash v%s starting", VERSION); | |
| 128 if (debug) | |
| 129 fprintf(stdout, "mbsePi-apps mash v%s starting\n", VERSION); | |
| 130 | |
| 131 if (rdconfig((char *)"mash.conf")) { | |
| 132 fprintf(stderr, "Error reading configuration\n"); | |
| 133 syslog(LOG_NOTICE, "halted"); | |
| 134 return 1; | |
| 135 } | |
| 136 | |
| 137 /* | |
| 138 * Catch all the signals we can, and ignore the rest. Note that SIGKILL can't be ignored | |
| 139 * but that's live. This daemon should only be stopped by SIGTERM. | |
| 140 * Don't catch SIGCHLD. | |
| 141 */ | |
| 142 for (i = 0; i < NSIG; i++) { | |
| 143 if ((i != SIGCHLD) && (i != SIGKILL) && (i != SIGSTOP)) | |
| 144 signal(i, (void (*))die); | |
| 145 } | |
| 146 | |
| 147 if (wiringPiSetup () ) | |
| 148 return 1; | |
| 149 | |
| 150 if ((rc = initLCD (16, 2))) { | |
| 151 fprintf(stderr, "Cannot initialize LCD display, rc=%d\n", rc); | |
| 152 return 1; | |
| 153 } | |
| 154 | |
| 155 lcdPosition(lcdHandle, 0, 0); | |
| 156 sprintf(buf, " Mash"); | |
| 157 mb_lcdPuts(lcdHandle, buf); | |
| 158 lcdPosition(lcdHandle, 0, 1); | |
| 159 sprintf(buf, " Version %s", VERSION); | |
| 160 mb_lcdPuts(lcdHandle, buf); | |
| 161 | |
| 162 if (debug) { | |
| 163 /* | |
| 164 * For debugging run in foreground. | |
| 165 */ | |
| 166 rc = server(); | |
| 167 } else { | |
| 168 /* | |
| 169 * Server initialization is complete. Now we can fork the | |
| 170 * daemon and return to the user. We need to do a setpgrp | |
| 171 * so that the daemon will no longer be assosiated with the | |
| 172 * users control terminal. This is done before the fork, so | |
| 173 * that the child will not be a process group leader. Otherwise, | |
| 174 * if the child were to open a terminal, it would become | |
| 175 * associated with that terminal as its control terminal. | |
| 176 */ | |
| 177 if ((pgrp = setpgid(0, 0)) == -1) { | |
| 178 syslog(LOG_NOTICE, "setpgpid failed"); | |
| 179 } | |
| 180 | |
| 181 frk = fork(); | |
| 182 switch (frk) { | |
| 183 case -1: | |
| 184 syslog(LOG_NOTICE, "Daemon fork failed: %s", strerror(errno)); | |
| 185 syslog(LOG_NOTICE, "Finished, rc=1"); | |
| 186 stopLCD(); | |
| 187 exit(1); | |
| 188 case 0: /* | |
| 189 * Run the daemon | |
| 190 */ | |
| 191 fclose(stdin); | |
| 192 if (open("/dev/null", O_RDONLY) != 0) { | |
| 193 syslog(LOG_NOTICE, "Reopen of stdin to /dev/null failed"); | |
| 194 _exit(2); | |
| 195 } | |
| 196 fclose(stdout); | |
| 197 if (open("/dev/null", O_WRONLY | O_APPEND | O_CREAT,0600) != 1) { | |
| 198 syslog(LOG_NOTICE, "Reopen of stdout to /dev/null failed"); | |
| 199 _exit(2); | |
| 200 } | |
| 201 fclose(stderr); | |
| 202 if (open("/dev/null", O_WRONLY | O_APPEND | O_CREAT,0600) != 2) { | |
| 203 syslog(LOG_NOTICE, "Reopen of stderr to /dev/null failed"); | |
| 204 _exit(2); | |
| 205 } | |
| 206 mypid = getpid(); | |
| 207 rc = server(); | |
| 208 break; | |
| 209 /* Not reached */ | |
| 210 default: | |
| 211 /* | |
| 212 * Here we detach this process and let the child | |
| 213 * run the deamon process. | |
| 214 */ | |
| 215 syslog(LOG_NOTICE, "Starting daemon with pid %d", frk); | |
| 216 exit(0); | |
| 217 } | |
| 218 } | |
| 219 | |
| 220 syslog(LOG_NOTICE, "Finished, rc=%d", rc); | |
| 221 return rc; | |
| 222 } | |
| 223 | |
| 224 | |
| 225 | |
| 226 int server(void) | |
| 227 { | |
| 228 char buf[1024]; | |
| 229 w1_therm *tmp1; | |
| 230 int rc, run = 1, temp; | |
| 231 | |
| 232 if (lockprog((char *)"mash")) { | |
| 233 syslog(LOG_NOTICE, "Can't lock"); | |
| 234 return 1; | |
| 235 } | |
| 236 | |
| 237 rc = piThreadCreate(my_sensors_loop); | |
| 238 if (rc) { | |
| 239 fprintf(stderr, "my_sensors_loop thread didn't start rc=%d\n", rc); | |
| 240 syslog(LOG_NOTICE, "my_sensors_loop thread didn't start rc=%d", rc); | |
| 241 } | |
| 242 | |
| 243 // rc = piThreadCreate(my_server_loop); | |
| 244 // if (rc) { | |
| 245 // fprintf(stderr, "my_server_loop thread didn't start rc=%d\n", rc); | |
| 246 // syslog(LOG_NOTICE, "my_server_loop thread didn't start rc=%d", rc); | |
| 247 // } | |
| 248 | |
| 249 snprintf(buf, 1023, "temp,step,description"); | |
| 250 logger((char *)"mash.log", (char *)"mash", buf); | |
| 251 | |
| 252 do { | |
| 253 lcdupdate = FALSE; | |
| 254 | |
| 255 if (my_shutdown) | |
| 256 run = 0; | |
| 257 | |
| 258 tmp1 = Config.w1therms; | |
| 259 // if (((tmp1->lastval / 100) < (tempA - 5)) && (coolerA == 1)) { | |
| 260 // syslog(LOG_NOTICE, "Temperature A is %.1f, switched cooler off", (tmp1->lastval / 1000.0)); | |
| 261 // lcdupdate = TRUE; | |
| 262 // } | |
| 263 // if (((tmp1->lastval / 100) > (tempA + 5)) && (coolerA == 0)) { | |
| 264 // syslog(LOG_NOTICE, "Temperature A is %.1f, switched cooler on", (tmp1->lastval / 1000.0)); | |
| 265 // lcdupdate = TRUE; | |
| 266 // } | |
| 267 if (tmp1->update) { | |
| 268 tmp1->update = FALSE; | |
| 269 lcdupdate = TRUE; | |
| 270 } | |
| 271 // old1 = tmp1->next; | |
| 272 // tmp1 = old1; | |
| 273 // if (((tmp1->lastval / 100) < (tempB - 5)) && (coolerB == 1)) { | |
| 274 // syslog(LOG_NOTICE, "Temperature B is %.1f, switched cooler off", (tmp1->lastval / 1000.0)); | |
| 275 // lcdupdate = TRUE; | |
| 276 // } | |
| 277 // if (((tmp1->lastval / 100) > (tempB + 5)) && (coolerB == 0)) { | |
| 278 // syslog(LOG_NOTICE, "Temperature B is %.1f, switched cooler on", (tmp1->lastval / 1000.0)); | |
| 279 // lcdupdate = TRUE; | |
| 280 // } | |
| 281 // if (tmp1->update) { | |
| 282 // tmp1->update = FALSE; | |
| 283 // lcdupdate = TRUE; | |
| 284 // } | |
| 285 | |
| 286 if (run && lcdupdate) { | |
| 287 lcdPosition(lcdHandle, 0, 0); | |
| 288 tmp1 = Config.w1therms; | |
| 289 snprintf(buf, 16, "%4.1f %cC %s ", tmp1->lastval / 1000.0, 0xdf, tmp1->alias); | |
| 290 mb_lcdPuts(lcdHandle, buf); | |
| 291 temp = tmp1->lastval; | |
| 292 // old1 = tmp1->next; | |
| 293 // tmp1 = old1; | |
| 294 lcdPosition(lcdHandle, 0, 1); | |
| 295 snprintf(buf, 16, " "); | |
| 296 mb_lcdPuts(lcdHandle, buf); | |
| 297 snprintf(buf, 1023, "%.1f,%d,%s", temp / 1000.0, 1, (char *)"step description"); | |
| 298 logger((char *)"mash.log", (char *)"mash", buf); | |
| 299 } | |
| 300 usleep(100000); | |
| 301 | |
| 302 } while (run); | |
| 303 | |
| 304 if (debug) | |
| 305 fprintf(stdout, (char *)"Out of loop\n"); | |
| 306 | |
| 307 /* | |
| 308 * Give threads time to cleanup | |
| 309 */ | |
| 310 usleep(1500000); | |
| 311 | |
| 312 stopLCD(); | |
| 313 | |
| 314 // wrconfig((char *)"mash.conf"); | |
| 315 | |
| 316 ulockprog((char *)"mash"); | |
| 317 | |
| 318 if (debug) | |
| 319 fprintf(stdout, "Goodbye\n"); | |
| 320 | |
| 321 return 0; | |
| 322 } | |
| 323 | |
| 324 #else | |
| 325 | |
| 326 | |
| 327 int main(int argc, char *argv[]) | |
| 328 { | |
| 329 parseBeerXML((char *)"/home/mbroek/Downloads/beerxml.xml"); | |
| 330 printBeerXML(); | |
| 331 // fprintf(stderr, "Compiled on a system without a wiringPi library.\n"); | |
| 332 // fprintf(stderr, "This program is useless and will do nothing.\n"); | |
| 333 return 0; | |
| 334 } | |
| 335 | |
| 336 | |
| 337 #endif |
