Mercurial > mbsePi-apps / file comparison
comparison: thermferm/one-wire.c
thermferm/one-wire.c
- changeset 656
- ca47c742a25d
- parent 655
- 780cc08df263
- child 657
- 38162f374842
equal
deleted
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replaced
| 655:780cc08df263 | 656:ca47c742a25d |
|---|---|
| 21 extern int debug; | 21 extern int debug; |
| 22 | 22 |
| 23 #include "thermferm.h" | 23 #include "thermferm.h" |
| 24 #include "statetbl.h" | 24 #include "statetbl.h" |
| 25 #include "one-wire.h" | 25 #include "one-wire.h" |
| 26 #include "devices.h" | |
| 27 #include "delay.h" | |
| 26 #include "xutil.h" | 28 #include "xutil.h" |
| 27 | 29 |
| 28 | 30 |
| 29 extern sys_config Config; | 31 extern sys_config Config; |
| 30 extern int my_shutdown; | 32 extern int my_shutdown; |
| 59 | 61 |
| 60 | 62 |
| 61 SM_DECL(one_wire,(char *)"one-wire") | 63 SM_DECL(one_wire,(char *)"one-wire") |
| 62 SM_STATES | 64 SM_STATES |
| 63 Scan, | 65 Scan, |
| 66 Read2413, | |
| 64 Reading, | 67 Reading, |
| 65 Missing | 68 Missing |
| 66 SM_NAMES | 69 SM_NAMES |
| 67 (char *)"Scan", | 70 (char *)"Scan", |
| 71 (char *)"Read2413", | |
| 68 (char *)"Reading", | 72 (char *)"Reading", |
| 69 (char *)"Missing" | 73 (char *)"Missing" |
| 70 SM_EDECL | 74 SM_EDECL |
| 71 | 75 |
| 72 int found, i; | 76 int found, i, rc; |
| 73 FILE *fp; | 77 FILE *fp; |
| 74 // devices_list *device, *ndev; | 78 devices_list *device; |
| 75 w1_list *dev_w1, *n_w1, *cur_w1 = NULL; | 79 w1_list *dev_w1, *n_w1, *cur_w1 = NULL; |
| 76 char buffer[25], w1type[10]; | 80 char buffer[25], w1type[10]; |
| 77 uuid_t uu; | 81 uint8_t state, output; |
| 78 | 82 |
| 79 SM_START(Scan) | 83 SM_START(Scan) |
| 80 | 84 |
| 81 SM_STATE(Scan) | 85 SM_STATE(Scan) |
| 82 | 86 |
| 92 syslog(LOG_NOTICE, "No w1_bus_master: %s", strerror(errno)); | 96 syslog(LOG_NOTICE, "No w1_bus_master: %s", strerror(errno)); |
| 93 SM_ERROR; | 97 SM_ERROR; |
| 94 } | 98 } |
| 95 while ((fgets(buffer, 25, fp))) { | 99 while ((fgets(buffer, 25, fp))) { |
| 96 buffer[strlen(buffer)-1] = '\0'; | 100 buffer[strlen(buffer)-1] = '\0'; |
| 97 // syslog(LOG_NOTICE, "device %d %s", strlen(buffer), buffer); | |
| 98 | |
| 99 strncpy(w1type, buffer, 2); | 101 strncpy(w1type, buffer, 2); |
| 100 w1type[2] = '\0'; | 102 w1type[2] = '\0'; |
| 101 | 103 |
| 102 /* | 104 /* |
| 103 * Check if device is known and already detected. | 105 * Check if device is known and already detected. |
| 147 } else { | 149 } else { |
| 148 syslog(LOG_NOTICE, "One-wire device %d %s unknown", strlen(buffer), buffer); | 150 syslog(LOG_NOTICE, "One-wire device %d %s unknown", strlen(buffer), buffer); |
| 149 } | 151 } |
| 150 } | 152 } |
| 151 fclose(fp); | 153 fclose(fp); |
| 154 SM_PROCEED(Read2413); | |
| 155 | |
| 156 SM_STATE(Read2413) | |
| 157 | |
| 158 if (my_shutdown) { | |
| 159 SM_SUCCESS; | |
| 160 } | |
| 161 | |
| 162 for (dev_w1 = w1_devices; dev_w1; dev_w1 = dev_w1->next) { | |
| 163 if (strcmp(dev_w1->family, "3a") == 0) { | |
| 164 syslog(LOG_NOTICE, "ds2413 %s", dev_w1->address); | |
| 165 for (i = 0; i < 2; i++) { | |
| 166 for (device = Config.devices; device; device = device->next) { | |
| 167 if ((strcmp(dev_w1->address, device->address) == 0) && (device->subdevice == i) && (device->direction == DEVDIR_IN_BIN)) { | |
| 168 /* | |
| 169 * First make sure that if this device is configured as input | |
| 170 * to drive the output high. | |
| 171 * TODO: This must be made different. Check state and fix only if wrong. | |
| 172 */ | |
| 173 if ((rc = read_w1(device->address, (char *)"state")) >= 0) { | |
| 174 state = (unsigned int)rc; | |
| 175 output = ((state & 0x02) >> 1) + ((state & 0x08) >> 2); /* Both latch states */ | |
| 176 if (i == 0) { | |
| 177 output = (output & 0xfe); | |
| 178 output |= 0x01; | |
| 179 } else if (i == 1) { | |
| 180 output = (output & 0xfd); | |
| 181 output |= 0x02; | |
| 182 } else { | |
| 183 output = 0xff; | |
| 184 } | |
| 185 write_w1(device->address, (char *)"output", output); | |
| 186 } | |
| 187 if ((rc = read_w1(device->address, (char *)"state")) >= 0) { | |
| 188 pthread_mutex_lock(&mutexes[LOCK_DEVICES]); | |
| 189 /* | |
| 190 * Read PIOA or PIOB pin state bits | |
| 191 */ | |
| 192 if (device->subdevice == 0) | |
| 193 device->value = (rc & 0x01) ? 0 : 1; | |
| 194 else if (device->subdevice == 1) | |
| 195 device->value = (rc & 0x04) ? 0 : 1; | |
| 196 device->timestamp = time(NULL); | |
| 197 pthread_mutex_unlock(&mutexes[LOCK_DEVICES]); | |
| 198 } | |
| 199 mDelay(20); | |
| 200 } | |
| 201 } | |
| 202 } | |
| 203 } | |
| 204 } | |
| 205 | |
| 152 SM_PROCEED(Reading); | 206 SM_PROCEED(Reading); |
| 153 | 207 |
| 154 SM_STATE(Reading) | 208 SM_STATE(Reading) |
| 155 | 209 |
| 156 if (my_shutdown) { | 210 if (my_shutdown) { |
