Thu, 26 Mar 2015 20:34:53 +0100
Fixed Offset label in device editor. Added code to edit pin states for DS2408 and DS2413 1-wire devices.
158 | 1 | /***************************************************************************** |
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2 | * Copyright (C) 2014..2015 |
158 | 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 thermferm; 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 | ||
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23 | #include "thermferm.h" |
158 | 24 | #include "devices.h" |
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25 | #include "rc-switch.h" |
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26 | #include "panel.h" |
158 | 27 | #include "xutil.h" |
28 | ||
29 | ||
30 | extern int debug; | |
31 | extern sys_config Config; | |
32 | extern int my_shutdown; | |
33 | ||
34 | ||
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35 | #ifdef HAVE_WIRINGPI_H |
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36 | |
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37 | #define MAXTIMINGS 100 |
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38 | |
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39 | int dht11_pin = -1; |
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40 | int dht11_temperature = -1; |
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41 | int dht11_humidity = -1; |
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42 | int dht11_valid = FALSE; |
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43 | time_t dht11_last = (time_t)0; |
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44 | |
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45 | |
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46 | static uint8_t sizecvt(const int read_value) { |
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47 | /* |
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48 | * digitalRead() and friends from wiringpi are defined as returning a value |
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49 | * < 256. However, they are returned as int() types. This is a safety function |
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50 | */ |
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51 | if (read_value > 255 || read_value < 0) { |
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52 | syslog(LOG_NOTICE, "invalid data from wiringPi library"); |
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53 | } |
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54 | |
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55 | return (uint8_t)read_value; |
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56 | } |
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57 | |
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58 | |
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59 | |
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60 | /* |
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61 | * DHT11 sensor read. |
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62 | */ |
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63 | void dht11Read(void) { |
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64 | int tries = 5; |
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65 | unsigned short got_correct_data = 0; |
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66 | |
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67 | if (dht11_pin == -1) |
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68 | return; |
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69 | |
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70 | while (tries && !got_correct_data) { |
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71 | uint8_t laststate = HIGH; |
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72 | uint8_t counter = 0; |
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73 | uint8_t j = 0, i = 0; |
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74 | int dht11_dat[5] = {0,0,0,0,0}; |
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75 | |
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76 | /* |
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77 | * Select output mode to send the start signal. |
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78 | */ |
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79 | pinMode(dht11_pin, OUTPUT); |
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80 | digitalWrite(dht11_pin, HIGH); |
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81 | usleep(1000); |
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82 | |
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83 | /* |
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84 | * Low for at least 18 milliseconds |
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85 | */ |
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86 | digitalWrite(dht11_pin, LOW); |
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87 | usleep(20000); |
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88 | digitalWrite(dht11_pin, HIGH); |
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89 | pinMode(dht11_pin, INPUT); |
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90 | |
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91 | /* |
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92 | * Detect change and read data |
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93 | */ |
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94 | for (i=0; i<MAXTIMINGS; i++) { |
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95 | counter = 0; |
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96 | delayMicroseconds(10); |
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97 | while (sizecvt(digitalRead(dht11_pin)) == laststate) { |
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98 | counter++; |
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99 | delayMicroseconds(1); |
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100 | if (counter == 255) { |
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101 | break; |
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102 | } |
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103 | } |
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104 | laststate = sizecvt(digitalRead(dht11_pin)); |
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105 | |
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106 | if (counter == 255) |
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107 | break; |
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108 | |
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109 | /* |
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110 | * ignore first 3 transitions |
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111 | */ |
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112 | if ((i >= 4) && (i%2 == 0)) { |
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113 | |
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114 | // shove each bit into the storage bytes |
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115 | dht11_dat[(int)((double)j/8)] <<= 1; |
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116 | if (counter > 16) |
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117 | dht11_dat[(int)((double)j/8)] |= 1; |
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118 | j++; |
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119 | } |
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120 | } |
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121 | |
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122 | /* |
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123 | * If there is no sensor, j = 0 |
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124 | */ |
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125 | if ((counter == 255) && (j == 0)) { |
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126 | if (dht11_temperature != -1) { |
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127 | syslog(LOG_NOTICE, "dht11 sensor disappeared"); |
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128 | } else { |
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129 | syslog(LOG_NOTICE, "dht11 sensor not present"); |
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130 | } |
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131 | dht11_temperature = -1; |
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132 | dht11_humidity = -1; |
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133 | dht11_valid = FALSE; |
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134 | return; |
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135 | } |
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136 | |
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137 | /* |
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138 | * check we read 40 bits (8bit x 5 ) + verify checksum in the last byte |
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139 | * print it out if data is good |
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140 | */ |
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141 | if ((j >= 40) && (dht11_dat[4] == ((dht11_dat[0] + dht11_dat[1] + dht11_dat[2] + dht11_dat[3]) & 0xFF))) { |
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142 | got_correct_data = 1; |
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143 | |
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144 | int h = dht11_dat[0] + dht11_dat[1]; |
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145 | int t = (dht11_dat[2] & 0x7F) + dht11_dat[3]; |
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146 | |
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147 | if ((dht11_dat[2] & 0x80) != 0) |
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148 | t *= -1; |
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149 | |
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150 | dht11_temperature = t; |
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151 | dht11_humidity = h; |
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152 | dht11_valid = TRUE; |
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153 | } else { |
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154 | tries--; |
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155 | if (tries == 0) |
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156 | syslog(LOG_NOTICE, "dht11 data checksum was wrong 5 times"); |
202
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157 | usleep(100000); |
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158 | } |
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159 | } |
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160 | } |
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161 | |
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162 | #endif |
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163 | |
158 | 164 | |
179
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165 | |
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166 | int device_out(char *uuid, int value) |
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167 | { |
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168 | devices_list *device; |
323 | 169 | time_t now, my_timestamp; |
170 | int my_value; | |
187
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171 | #ifdef HAVE_WIRINGPI_H |
179
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172 | int i, rc; |
187
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173 | char buf[40]; |
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174 | #endif |
179
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175 | |
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176 | if (uuid == NULL) |
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177 | return 0; |
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178 | |
185 | 179 | now = time(NULL); |
181
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180 | |
337 | 181 | #ifdef HAVE_WIRINGPI_H |
182 | piLock(LOCK_DEVICES); | |
183 | #endif | |
184 | ||
179
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185 | for (device = Config.devices; device; device = device->next) { |
240
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186 | if (! strcmp(uuid, device->uuid)) { |
185 | 187 | /* |
188 | * Execute command if different then the old value. But also | |
212 | 189 | * every 2 minutes because commands can have temporary |
190 | * disconnects, or have radio problems. | |
185 | 191 | */ |
323 | 192 | my_timestamp = device->timestamp; |
193 | my_value = device->value; | |
194 | if ((value != my_value) || (((int)now - (int)my_timestamp) > 120)) { | |
179
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195 | |
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196 | #ifdef HAVE_WIRINGPI_H |
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197 | rc = 0; |
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198 | if ((device->type == DEVTYPE_RC433) && (device->gpiopin != -1) && (device->present == DEVPRESENT_YES)) { |
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199 | snprintf(buf, 39, "%s,%d", device->address, value ? 1:0); |
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200 | for (i = 0; i < strlen(buf); i++) |
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201 | if (buf[i] == '-') |
240
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202 | buf[i] = ','; |
337 | 203 | piUnlock(LOCK_DEVICES); |
240
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204 | enableTransmit(device->gpiopin); |
179
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205 | rc = toggleSwitch(buf); |
240
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206 | disableTransmit(); |
337 | 207 | piLock(LOCK_DEVICES); |
179
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208 | syslog(LOG_NOTICE, "RC433 command %s rc=%d", buf, rc); |
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209 | if (debug) |
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210 | fprintf(stdout, "RC433 command %s rc=%d\n", buf, rc); |
212 | 211 | device->value = value; |
212 | device->timestamp = time(NULL); | |
240
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213 | piUnlock(LOCK_DEVICES); |
212 | 214 | return rc; |
215 | } | |
179
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216 | |
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217 | if ((device->type == DEVTYPE_GPIO) && (device->gpiopin != -1) && (device->present == DEVPRESENT_YES)) { |
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218 | |
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219 | } |
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220 | #endif |
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221 | if ((device->type == DEVTYPE_W1) && (device->direction == DEVDIR_OUT_BIN) && (device->present == DEVPRESENT_YES)) { |
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222 | |
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223 | } |
259
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224 | #ifdef USE_SIMULATOR |
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225 | if ((device->type == DEVTYPE_SIM) && (device->direction == DEVDIR_OUT_BIN) && (device->present == DEVPRESENT_YES)) { |
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226 | |
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227 | } |
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228 | #endif |
179
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229 | } else { |
337 | 230 | #ifdef HAVE_WIRINGPI_H |
231 | piUnlock(LOCK_DEVICES); | |
232 | #endif | |
179
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233 | return 0; |
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234 | } |
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235 | } |
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236 | } |
337 | 237 | #ifdef HAVE_WIRINGPI_H |
238 | piUnlock(LOCK_DEVICES); | |
239 | #endif | |
185 | 240 | |
179
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241 | return 0; |
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242 | } |
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243 | |
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244 | |
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245 | |
158 | 246 | /* |
247 | * Auto detect hotplugged or known to be present devices | |
248 | */ | |
249 | int devices_detect(void) | |
250 | { | |
251 | struct dirent *de; | |
252 | DIR *fd; | |
253 | devices_list *device, *ndev; | |
340 | 254 | int found, subdevices, ival, i, rc = 0; |
162
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255 | char buf[40]; |
158 | 256 | uuid_t uu; |
162
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257 | #ifdef HAVE_WIRINGPI_H |
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258 | int pin; |
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259 | #endif |
158 | 260 | |
261 | /* | |
262 | * Scan for 1-wire devices | |
263 | */ | |
264 | if ((fd = opendir((char *)"/sys/bus/w1/devices"))) { | |
265 | while ((de = readdir(fd))) { | |
266 | if (de->d_name[0] != '.') { | |
267 | found = FALSE; | |
268 | for (device = Config.devices; device; device = device->next) { | |
161
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269 | if (strcmp(device->address,de->d_name) == 0) { |
158 | 270 | found = TRUE; |
271 | break; | |
272 | } | |
273 | } | |
274 | ||
275 | if (found == FALSE) { | |
162
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276 | strncpy(buf, de->d_name, 2); |
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277 | buf[2] = '\0'; |
340 | 278 | sscanf(buf, "%02x", &ival); |
279 | syslog(LOG_NOTICE, "Scan 1-wire %02x %d", ival, ival); | |
158 | 280 | subdevices = 1; |
162
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281 | if (strcmp(buf, (char *)"29") == 0) |
158 | 282 | subdevices = 8; |
162
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283 | if (strcmp(buf, (char *)"3a") == 0) |
158 | 284 | subdevices = 2; |
285 | for (i = 0; i < subdevices; i++) { | |
286 | ndev = (devices_list *)malloc(sizeof(devices_list)); | |
287 | ndev->next = NULL; | |
288 | ndev->version = 1; | |
289 | ndev->uuid = malloc(37); | |
290 | uuid_generate(uu); | |
291 | uuid_unparse(uu, ndev->uuid); | |
292 | ndev->type = DEVTYPE_W1; | |
293 | ndev->direction = DEVDIR_UNDEF; | |
162
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294 | if (strcmp(buf, (char *)"10") == 0) { |
158 | 295 | ndev->direction = DEVDIR_IN_ANALOG; |
162
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296 | ndev->description = xstrcpy((char *)"DS18S20 Digital thermometer"); |
338
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297 | } else if (strcmp(buf, (char *)"22") == 0) { |
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298 | ndev->direction = DEVDIR_IN_ANALOG; |
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299 | ndev->description = xstrcpy((char *)"DS1820 Digital thermometer"); |
162
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300 | } else if (strcmp(buf, (char *)"28") == 0) { |
158 | 301 | ndev->direction = DEVDIR_IN_ANALOG; |
162
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302 | ndev->description = xstrcpy((char *)"DS18B20 Digital thermometer"); |
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303 | } else if (strcmp(buf, (char *)"29") == 0) { |
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304 | ndev->description = xstrcpy((char *)"DS2408 8 Channel addressable switch/LCD"); |
344
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305 | ndev->direction = DEVDIR_IN_BIN; |
162
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306 | } else if (strcmp(buf, (char *)"3a") == 0) { |
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307 | ndev->description = xstrcpy((char *)"DS2413 Dual channel addressable switch"); |
344
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308 | ndev->direction = DEVDIR_IN_BIN; |
338
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309 | } else if (strcmp(buf, (char *)"3b") == 0) { |
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310 | ndev->direction = DEVDIR_IN_ANALOG; |
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311 | ndev->description = xstrcpy((char *)"DS1825 Digital thermometer"); |
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312 | } else if (strcmp(buf, (char *)"42") == 0) { |
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313 | ndev->direction = DEVDIR_IN_ANALOG; |
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314 | ndev->description = xstrcpy((char *)"DS28EA00 Digital thermometer"); |
162
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315 | } else if (strcmp(buf, (char *)"w1") == 0) { |
158 | 316 | ndev->description = xstrcpy((char *)"Master System device"); |
317 | } else { | |
318 | ndev->description = xstrcpy((char *)"Unknown device family "); | |
162
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319 | ndev->description = xstrcat(ndev->description, buf); |
158 | 320 | } |
343
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321 | ndev->value = ndev->offset = ndev->inuse = 0; |
158 | 322 | ndev->present = DEVPRESENT_YES; |
323 | ndev->address = xstrcpy(de->d_name); | |
324 | ndev->subdevice = i; | |
325 | ndev->gpiopin = -1; | |
326 | ndev->comment = xstrcpy((char *)"Auto detected device"); | |
327 | ndev->timestamp = time(NULL); | |
328 | ||
329 | if (Config.devices == NULL) { | |
330 | Config.devices = ndev; | |
331 | } else { | |
332 | for (device = Config.devices; device; device = device->next) { | |
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333 | if (device->next == NULL) { |
158 | 334 | device->next = ndev; |
161
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335 | break; |
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336 | } |
158 | 337 | } |
338 | } | |
339 | rc++; | |
340 | } | |
341 | } | |
342 | } | |
343 | } | |
166
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344 | closedir(fd); |
158 | 345 | } |
346 | ||
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347 | #ifdef HAVE_WIRINGPI_H |
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348 | if (piBoardRev() == 2) { |
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349 | /* |
324 | 350 | * Support rev B and newer boards only |
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351 | */ |
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352 | found = FALSE; |
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353 | for (device = Config.devices; device; device = device->next) { |
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354 | if (device->type == DEVTYPE_GPIO) { |
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355 | found = TRUE; |
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356 | break; |
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357 | } |
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358 | } |
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359 | |
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360 | if (found == FALSE) { |
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361 | /* |
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362 | * There were no GPIO devices found. |
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363 | */ |
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364 | subdevices = 12; |
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365 | pin = 0; |
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366 | for (i = 0; i < subdevices; i++) { |
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367 | if (i == 8) |
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368 | pin = 17; |
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369 | |
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370 | ndev = (devices_list *)malloc(sizeof(devices_list)); |
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371 | ndev->next = NULL; |
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372 | ndev->version = 1; |
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373 | ndev->uuid = malloc(37); |
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374 | uuid_generate(uu); |
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375 | uuid_unparse(uu, ndev->uuid); |
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376 | ndev->type = DEVTYPE_GPIO; |
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377 | ndev->value = digitalRead(pin); |
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378 | ndev->present = DEVPRESENT_YES; |
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379 | ndev->address = xstrcpy((char *)"GPIO"); |
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380 | snprintf(buf, 39, "Raspberry GPIO %d", i); |
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381 | ndev->description = xstrcpy(buf); |
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382 | ndev->subdevice = i; |
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383 | ndev->gpiopin = pin; |
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384 | ndev->timestamp = time(NULL); |
202
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385 | if (i == PANEL_LED) { |
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386 | ndev->direction = DEVDIR_OUT_BIN; |
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387 | ndev->inuse = 1; |
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388 | ndev->comment = xstrcpy((char *)"Frontpanel LED"); |
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389 | } else if (i == PANEL_ENTER) { |
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390 | ndev->direction = DEVDIR_IN_BIN; |
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391 | ndev->inuse = 1; |
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392 | ndev->comment = xstrcpy((char *)"Frontpanel Enter key"); |
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393 | } else if (i == PANEL_DOWN) { |
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394 | ndev->direction = DEVDIR_IN_BIN; |
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395 | ndev->inuse = 1; |
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396 | ndev->comment = xstrcpy((char *)"Frontpanel Down key"); |
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397 | } else if (i == PANEL_UP) { |
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398 | ndev->direction = DEVDIR_IN_BIN; |
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399 | ndev->inuse = 1; |
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400 | ndev->comment = xstrcpy((char *)"Frontpanel Up key"); |
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401 | } else if (i == 7) { |
162
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402 | ndev->direction = DEVDIR_INTERN; |
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403 | ndev->inuse = 1; |
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404 | ndev->comment = xstrcpy((char *)"1-Wire bus"); |
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405 | } else { |
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406 | ndev->direction = DEVDIR_IN_BIN; |
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407 | ndev->inuse = 0; |
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408 | ndev->comment = xstrcpy((char *)"Raspberry GPIO"); |
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409 | } |
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410 | pin++; |
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411 | |
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412 | if (Config.devices == NULL) { |
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413 | Config.devices = ndev; |
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414 | } else { |
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415 | for (device = Config.devices; device; device = device->next) { |
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416 | if (device->next == NULL) { |
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417 | device->next = ndev; |
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418 | break; |
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419 | } |
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420 | } |
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421 | } |
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422 | rc++; |
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423 | } |
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424 | } |
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425 | } |
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426 | #endif |
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427 | |
259
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428 | #ifdef USE_SIMULATOR |
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429 | found = FALSE; |
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430 | for (device = Config.devices; device; device = device->next) { |
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431 | if (device->type == DEVTYPE_SIM) { |
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432 | found = TRUE; |
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433 | break; |
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434 | } |
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435 | } |
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436 | |
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437 | if (found == FALSE) { |
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438 | subdevices = 5; |
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439 | for (i = 0; i < subdevices; i++) { |
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440 | ndev = (devices_list *)malloc(sizeof(devices_list)); |
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441 | ndev->next = NULL; |
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442 | ndev->version = 1; |
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443 | ndev->uuid = malloc(37); |
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444 | uuid_generate(uu); |
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445 | uuid_unparse(uu, ndev->uuid); |
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446 | ndev->type = DEVTYPE_SIM; |
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447 | ndev->value = ndev->offset = 0; |
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448 | ndev->present = DEVPRESENT_YES; |
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449 | ndev->subdevice = i; |
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450 | ndev->gpiopin = -1; |
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451 | ndev->comment = xstrcpy((char *)"Auto detected device"); |
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452 | ndev->timestamp = time(NULL); |
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453 | ndev->inuse = 0; |
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454 | switch (i) { |
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455 | case 0: ndev->direction = DEVDIR_IN_ANALOG; |
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456 | ndev->address = xstrcpy((char *)"SimRoomTemp"); |
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457 | ndev->description = xstrcpy((char *)"Simulated room temperature"); |
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458 | break; |
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459 | case 1: ndev->direction = DEVDIR_IN_ANALOG; |
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460 | ndev->address = xstrcpy((char *)"SimAirTemp"); |
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461 | ndev->description = xstrcpy((char *)"Simulated air temperature"); |
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462 | break; |
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463 | case 2: ndev->direction = DEVDIR_IN_ANALOG; |
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464 | ndev->address = xstrcpy((char *)"SimBeerTemp"); |
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465 | ndev->description = xstrcpy((char *)"Simulated beer temperature"); |
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466 | break; |
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467 | case 3: ndev->direction = DEVDIR_OUT_ANALOG; |
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468 | ndev->address = xstrcpy((char *)"SimHeater"); |
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469 | ndev->description = xstrcpy((char *)"Simulated heater"); |
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470 | break; |
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471 | case 4: ndev->direction = DEVDIR_OUT_ANALOG; |
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472 | ndev->address = xstrcpy((char *)"SimCooler"); |
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473 | ndev->description = xstrcpy((char *)"Simulated cooler"); |
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474 | break; |
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475 | } |
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476 | |
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477 | if (Config.devices == NULL) { |
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478 | Config.devices = ndev; |
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479 | } else { |
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480 | for (device = Config.devices; device; device = device->next) { |
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481 | if (device->next == NULL) { |
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482 | device->next = ndev; |
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483 | break; |
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484 | } |
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485 | } |
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486 | } |
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487 | rc++; |
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488 | } |
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489 | } |
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490 | #endif |
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491 | |
158 | 492 | return rc; |
493 | } | |
494 | ||
495 | ||
496 | ||
497 | #ifdef HAVE_WIRINGPI_H | |
498 | PI_THREAD (my_devices_loop) | |
499 | #else | |
500 | void *my_devices_loop(void *threadid) | |
501 | #endif | |
502 | { | |
503 | devices_list *device; | |
262
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504 | #ifdef USE_SIMULATOR |
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505 | simulator_list *simulator; |
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506 | #endif |
164
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507 | char *addr = NULL, line[60], *p = NULL; |
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508 | FILE *fp; |
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509 | int temp, rc; |
242
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510 | #ifdef HAVE_WIRINGPI_H |
220
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511 | time_t now; |
242
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512 | #endif |
158 | 513 | |
514 | syslog(LOG_NOTICE, "Thread my_devices_loop started"); | |
515 | ||
242
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516 | #ifdef HAVE_WIRINGPI_H |
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517 | if ((rc = piHiPri(10))) |
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518 | syslog(LOG_NOTICE, "my_devices_loop: piHiPri(10) rc=%d", rc); |
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519 | #endif |
239
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520 | |
158 | 521 | /* |
522 | * Loop forever until the external shutdown variable is set. | |
523 | */ | |
524 | for (;;) { | |
525 | ||
526 | /* | |
164
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527 | * Process all devices. |
158 | 528 | */ |
529 | for (device = Config.devices; device; device = device->next) { | |
530 | ||
531 | if (my_shutdown) | |
532 | break; | |
533 | ||
164
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534 | switch (device->type) { |
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535 | case DEVTYPE_W1: |
338
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536 | /* |
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537 | * Only tested with DS18B20 but from the kernel source this |
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538 | * should work with all 1-wire thermometer sensors. |
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539 | */ |
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540 | if ((strncmp(device->address, (char *)"10", 2) == 0) || |
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541 | (strncmp(device->address, (char *)"22", 2) == 0) || |
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542 | (strncmp(device->address, (char *)"28", 2) == 0) || |
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543 | (strncmp(device->address, (char *)"3b", 2) == 0) || |
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544 | (strncmp(device->address, (char *)"42", 2) == 0)) { |
164
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545 | addr = xstrcpy((char *)"/sys/bus/w1/devices/"); |
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546 | addr = xstrcat(addr, device->address); |
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547 | addr = xstrcat(addr, (char *)"/w1_slave"); |
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548 | if ((fp = fopen(addr, "r"))) { |
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549 | if (device->present != DEVPRESENT_YES) { |
268
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550 | syslog(LOG_NOTICE, "sensor %s is back", device->address); |
240
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551 | #ifdef HAVE_WIRINGPI_H |
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552 | piLock(LOCK_DEVICES); |
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553 | #endif |
164
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554 | device->present = DEVPRESENT_YES; |
240
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555 | #ifdef HAVE_WIRINGPI_H |
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556 | piUnlock(LOCK_DEVICES); |
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557 | #endif |
164
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558 | } |
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559 | /* |
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560 | * The output looks like: |
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561 | * 72 01 4b 46 7f ff 0e 10 57 : crc=57 YES |
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562 | * 72 01 4b 46 7f ff 0e 10 57 t=23125 |
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563 | */ |
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564 | fgets(line, 50, fp); |
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565 | line[strlen(line)-1] = '\0'; |
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566 | if ((line[36] == 'Y') && (line[37] == 'E')) { |
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567 | /* CRC is Ok, continue */ |
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568 | fgets(line, 50, fp); |
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569 | line[strlen(line)-1] = '\0'; |
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570 | strtok(line, (char *)"="); |
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571 | p = strtok(NULL, (char *)"="); |
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572 | rc = sscanf(p, "%d", &temp); |
240
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573 | #ifdef HAVE_WIRINGPI_H |
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574 | piLock(LOCK_DEVICES); |
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575 | #endif |
164
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576 | if ((rc == 1) && (device->value != temp)) { |
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577 | device->value = temp; |
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578 | device->timestamp = time(NULL); |
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|
579 | } |
240
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diff
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|
580 | #ifdef HAVE_WIRINGPI_H |
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diff
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|
581 | piUnlock(LOCK_DEVICES); |
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582 | #endif |
164
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583 | } else { |
268
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584 | syslog(LOG_NOTICE, "sensor %s CRC error", device->address); |
240
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585 | #ifdef HAVE_WIRINGPI_H |
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586 | piLock(LOCK_DEVICES); |
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587 | #endif |
164
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588 | device->present = DEVPRESENT_ERROR; |
240
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589 | #ifdef HAVE_WIRINGPI_H |
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590 | piUnlock(LOCK_DEVICES); |
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|
591 | #endif |
164
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592 | } |
166
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593 | fclose(fp); |
164
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594 | } else { |
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595 | if (device->present != DEVPRESENT_NO) { |
268
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596 | syslog(LOG_NOTICE, "sensor %s is missing", device->address); |
240
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597 | #ifdef HAVE_WIRINGPI_H |
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598 | piLock(LOCK_DEVICES); |
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599 | #endif |
164
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600 | device->present = DEVPRESENT_NO; |
240
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|
601 | #ifdef HAVE_WIRINGPI_H |
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|
602 | piUnlock(LOCK_DEVICES); |
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|
603 | #endif |
164
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604 | } |
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605 | } |
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606 | free(addr); |
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607 | addr = NULL; |
341
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608 | } /* if temperature sensor */ |
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|
609 | /* |
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|
610 | * DS2408 8 Channel addressable switch |
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611 | */ |
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|
612 | if (strncmp(device->address, (char *)"29", 2) == 0) { |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
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diff
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|
613 | /* |
cfc952a68d4a
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parents:
340
diff
changeset
|
614 | * Always read current state and set these bits |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
340
diff
changeset
|
615 | * in the subdevices value. We do this even with |
cfc952a68d4a
Possible part of DS2408 code added.
Michiel Broek <mbroek@mbse.eu>
parents:
340
diff
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|
616 | * the output bits, they should match. |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
340
diff
changeset
|
617 | */ |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
340
diff
changeset
|
618 | addr = xstrcpy((char *)"/sys/bus/w1/devices/"); |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
340
diff
changeset
|
619 | addr = xstrcat(addr, device->address); |
cfc952a68d4a
Possible part of DS2408 code added.
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340
diff
changeset
|
620 | addr = xstrcat(addr, (char *)"/state"); |
cfc952a68d4a
Possible part of DS2408 code added.
Michiel Broek <mbroek@mbse.eu>
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340
diff
changeset
|
621 | if ((fp = fopen(addr, "r"))) { |
cfc952a68d4a
Possible part of DS2408 code added.
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diff
changeset
|
622 | if (device->present != DEVPRESENT_YES) { |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
340
diff
changeset
|
623 | syslog(LOG_NOTICE, "DS2408 %s is back", device->address); |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
340
diff
changeset
|
624 | #ifdef HAVE_WIRINGPI_H |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
340
diff
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|
625 | piLock(LOCK_DEVICES); |
cfc952a68d4a
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340
diff
changeset
|
626 | #endif |
cfc952a68d4a
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diff
changeset
|
627 | device->present = DEVPRESENT_YES; |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
340
diff
changeset
|
628 | #ifdef HAVE_WIRINGPI_H |
cfc952a68d4a
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340
diff
changeset
|
629 | piUnlock(LOCK_DEVICES); |
cfc952a68d4a
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parents:
340
diff
changeset
|
630 | #endif |
cfc952a68d4a
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parents:
340
diff
changeset
|
631 | } |
cfc952a68d4a
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parents:
340
diff
changeset
|
632 | |
cfc952a68d4a
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parents:
340
diff
changeset
|
633 | fclose(fp); |
cfc952a68d4a
Possible part of DS2408 code added.
Michiel Broek <mbroek@mbse.eu>
parents:
340
diff
changeset
|
634 | } else { |
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Possible part of DS2408 code added.
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340
diff
changeset
|
635 | if (device->present != DEVPRESENT_NO) { |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
340
diff
changeset
|
636 | syslog(LOG_NOTICE, "DS2408 %s is missing", device->address); |
cfc952a68d4a
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parents:
340
diff
changeset
|
637 | #ifdef HAVE_WIRINGPI_H |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
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diff
changeset
|
638 | piLock(LOCK_DEVICES); |
cfc952a68d4a
Possible part of DS2408 code added.
Michiel Broek <mbroek@mbse.eu>
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340
diff
changeset
|
639 | #endif |
cfc952a68d4a
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parents:
340
diff
changeset
|
640 | device->present = DEVPRESENT_NO; |
cfc952a68d4a
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parents:
340
diff
changeset
|
641 | #ifdef HAVE_WIRINGPI_H |
cfc952a68d4a
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parents:
340
diff
changeset
|
642 | piUnlock(LOCK_DEVICES); |
cfc952a68d4a
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Michiel Broek <mbroek@mbse.eu>
parents:
340
diff
changeset
|
643 | #endif |
cfc952a68d4a
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Michiel Broek <mbroek@mbse.eu>
parents:
340
diff
changeset
|
644 | } |
cfc952a68d4a
Possible part of DS2408 code added.
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parents:
340
diff
changeset
|
645 | } |
cfc952a68d4a
Possible part of DS2408 code added.
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340
diff
changeset
|
646 | free(addr); |
cfc952a68d4a
Possible part of DS2408 code added.
Michiel Broek <mbroek@mbse.eu>
parents:
340
diff
changeset
|
647 | addr = NULL; |
164
f16def8472ba
Threads partly working via new devices interface
Michiel Broek <mbroek@mbse.eu>
parents:
163
diff
changeset
|
648 | } |
342
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
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parents:
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diff
changeset
|
649 | /* |
3bbc8f42adc0
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341
diff
changeset
|
650 | * DS2413 Dual channel addressable switch |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
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341
diff
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|
651 | */ |
3bbc8f42adc0
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parents:
341
diff
changeset
|
652 | unsigned char state; |
3bbc8f42adc0
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parents:
341
diff
changeset
|
653 | |
3bbc8f42adc0
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341
diff
changeset
|
654 | if (strncmp(device->address, (char *)"3a", 2) == 0) { |
3bbc8f42adc0
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diff
changeset
|
655 | addr = xstrcpy((char *)"/sys/bus/w1/devices/"); |
3bbc8f42adc0
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parents:
341
diff
changeset
|
656 | addr = xstrcat(addr, device->address); |
3bbc8f42adc0
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Michiel Broek <mbroek@mbse.eu>
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|
657 | addr = xstrcat(addr, (char *)"/state"); |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
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|
658 | if ((fp = fopen(addr, "r"))) { |
3bbc8f42adc0
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parents:
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diff
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|
659 | if (device->present != DEVPRESENT_YES) { |
3bbc8f42adc0
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parents:
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diff
changeset
|
660 | syslog(LOG_NOTICE, "DS2413 %s is back", device->address); |
3bbc8f42adc0
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diff
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|
661 | #ifdef HAVE_WIRINGPI_H |
3bbc8f42adc0
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diff
changeset
|
662 | piLock(LOCK_DEVICES); |
3bbc8f42adc0
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diff
changeset
|
663 | #endif |
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|
664 | device->present = DEVPRESENT_YES; |
3bbc8f42adc0
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|
665 | #ifdef HAVE_WIRINGPI_H |
3bbc8f42adc0
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|
666 | piUnlock(LOCK_DEVICES); |
3bbc8f42adc0
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diff
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|
667 | #endif |
3bbc8f42adc0
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diff
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|
668 | } |
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diff
changeset
|
669 | if ((fread(&state, 1, 1, fp)) == 1) { |
3bbc8f42adc0
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diff
changeset
|
670 | #ifdef HAVE_WIRINGPI_H |
3bbc8f42adc0
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341
diff
changeset
|
671 | piLock(LOCK_DEVICES); |
3bbc8f42adc0
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Michiel Broek <mbroek@mbse.eu>
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diff
changeset
|
672 | #endif |
3bbc8f42adc0
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parents:
341
diff
changeset
|
673 | /* |
3bbc8f42adc0
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341
diff
changeset
|
674 | * Read PIOA or PIOB pin state bits |
3bbc8f42adc0
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341
diff
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|
675 | */ |
3bbc8f42adc0
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diff
changeset
|
676 | if (device->subdevice == 0) |
3bbc8f42adc0
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341
diff
changeset
|
677 | device->value = (state & 0x01) ? 0 : 1; |
3bbc8f42adc0
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Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
678 | else if (device->subdevice == 1) |
3bbc8f42adc0
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parents:
341
diff
changeset
|
679 | device->value = (state & 0x04) ? 0 : 1; |
3bbc8f42adc0
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341
diff
changeset
|
680 | device->timestamp = time(NULL); |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
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341
diff
changeset
|
681 | #ifdef HAVE_WIRINGPI_H |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
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341
diff
changeset
|
682 | piUnlock(LOCK_DEVICES); |
3bbc8f42adc0
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Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
683 | #endif |
3bbc8f42adc0
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parents:
341
diff
changeset
|
684 | } |
3bbc8f42adc0
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341
diff
changeset
|
685 | fclose(fp); |
3bbc8f42adc0
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Michiel Broek <mbroek@mbse.eu>
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341
diff
changeset
|
686 | } else { |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
687 | if (device->present != DEVPRESENT_NO) { |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
688 | syslog(LOG_NOTICE, "DS2413 %s is missing", device->address); |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
689 | #ifdef HAVE_WIRINGPI_H |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
690 | piLock(LOCK_DEVICES); |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
691 | #endif |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
692 | device->present = DEVPRESENT_NO; |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
693 | #ifdef HAVE_WIRINGPI_H |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
694 | piUnlock(LOCK_DEVICES); |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
695 | #endif |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
696 | } |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
697 | } |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
698 | free(addr); |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
699 | addr = NULL; |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
700 | } |
3bbc8f42adc0
Added device read for the DS2413 dual channel PIO
Michiel Broek <mbroek@mbse.eu>
parents:
341
diff
changeset
|
701 | |
164
f16def8472ba
Threads partly working via new devices interface
Michiel Broek <mbroek@mbse.eu>
parents:
163
diff
changeset
|
702 | break; |
203 | 703 | |
704 | #ifdef HAVE_WIRINGPI_H | |
202
5d09ca728809
Code added on the wrong machine
Michiel Broek <mbroek@mbse.eu>
parents:
187
diff
changeset
|
705 | case DEVTYPE_DHT: |
220
382938c5fce2
Make sure we don't read the DHT11 within 2 seconds.
Michiel Broek <mbroek@mbse.eu>
parents:
215
diff
changeset
|
706 | /* |
382938c5fce2
Make sure we don't read the DHT11 within 2 seconds.
Michiel Broek <mbroek@mbse.eu>
parents:
215
diff
changeset
|
707 | * Make sure we don't read the sensor withing 2 seconds. |
382938c5fce2
Make sure we don't read the DHT11 within 2 seconds.
Michiel Broek <mbroek@mbse.eu>
parents:
215
diff
changeset
|
708 | */ |
382938c5fce2
Make sure we don't read the DHT11 within 2 seconds.
Michiel Broek <mbroek@mbse.eu>
parents:
215
diff
changeset
|
709 | now = time(NULL); |
382938c5fce2
Make sure we don't read the DHT11 within 2 seconds.
Michiel Broek <mbroek@mbse.eu>
parents:
215
diff
changeset
|
710 | if ((int)(now - dht11_last) > 2) { |
203 | 711 | dht11_pin = device->gpiopin; |
712 | dht11Read(); | |
220
382938c5fce2
Make sure we don't read the DHT11 within 2 seconds.
Michiel Broek <mbroek@mbse.eu>
parents:
215
diff
changeset
|
713 | dht11_last = now; |
382938c5fce2
Make sure we don't read the DHT11 within 2 seconds.
Michiel Broek <mbroek@mbse.eu>
parents:
215
diff
changeset
|
714 | } |
382938c5fce2
Make sure we don't read the DHT11 within 2 seconds.
Michiel Broek <mbroek@mbse.eu>
parents:
215
diff
changeset
|
715 | if (device->subdevice == 0) { |
240
6bdda35b4a13
Added thread locks for device processing
Michiel Broek <mbroek@mbse.eu>
parents:
239
diff
changeset
|
716 | piLock(LOCK_DEVICES); |
203 | 717 | if (dht11_valid) { |
718 | device->value = dht11_temperature * 1000; | |
719 | device->timestamp = time(NULL); | |
720 | device->present = DEVPRESENT_YES; | |
721 | } else { | |
722 | device->present = DEVPRESENT_ERROR; | |
723 | } | |
240
6bdda35b4a13
Added thread locks for device processing
Michiel Broek <mbroek@mbse.eu>
parents:
239
diff
changeset
|
724 | piUnlock(LOCK_DEVICES); |
202
5d09ca728809
Code added on the wrong machine
Michiel Broek <mbroek@mbse.eu>
parents:
187
diff
changeset
|
725 | } else if (device->subdevice == 1) { |
240
6bdda35b4a13
Added thread locks for device processing
Michiel Broek <mbroek@mbse.eu>
parents:
239
diff
changeset
|
726 | piLock(LOCK_DEVICES); |
203 | 727 | if (dht11_valid) { |
728 | device->value = dht11_humidity * 1000; | |
729 | device->timestamp = time(NULL); | |
730 | device->present = DEVPRESENT_YES; | |
731 | } else { | |
732 | device->present = DEVPRESENT_ERROR; | |
733 | } | |
240
6bdda35b4a13
Added thread locks for device processing
Michiel Broek <mbroek@mbse.eu>
parents:
239
diff
changeset
|
734 | piUnlock(LOCK_DEVICES); |
202
5d09ca728809
Code added on the wrong machine
Michiel Broek <mbroek@mbse.eu>
parents:
187
diff
changeset
|
735 | } |
5d09ca728809
Code added on the wrong machine
Michiel Broek <mbroek@mbse.eu>
parents:
187
diff
changeset
|
736 | break; |
203 | 737 | #endif |
259
b7c967359771
Added framework for a simulation of a fridge with heater to use as controlled fermentor
Michiel Broek <mbroek@mbse.eu>
parents:
242
diff
changeset
|
738 | #ifdef USE_SIMULATOR |
b7c967359771
Added framework for a simulation of a fridge with heater to use as controlled fermentor
Michiel Broek <mbroek@mbse.eu>
parents:
242
diff
changeset
|
739 | case DEVTYPE_SIM: |
b7c967359771
Added framework for a simulation of a fridge with heater to use as controlled fermentor
Michiel Broek <mbroek@mbse.eu>
parents:
242
diff
changeset
|
740 | #ifdef HAVE_WIRINGPI_H |
b7c967359771
Added framework for a simulation of a fridge with heater to use as controlled fermentor
Michiel Broek <mbroek@mbse.eu>
parents:
242
diff
changeset
|
741 | piLock(LOCK_DEVICES); |
b7c967359771
Added framework for a simulation of a fridge with heater to use as controlled fermentor
Michiel Broek <mbroek@mbse.eu>
parents:
242
diff
changeset
|
742 | #endif |
262
d0014ccec615
Simulation of fridge cold loss to the room added for testing.
Michiel Broek <mbroek@mbse.eu>
parents:
259
diff
changeset
|
743 | if (Config.simulators) { |
d0014ccec615
Simulation of fridge cold loss to the room added for testing.
Michiel Broek <mbroek@mbse.eu>
parents:
259
diff
changeset
|
744 | simulator = Config.simulators; |
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745 | if (device->subdevice == 0) { |
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746 | device->value = (int)(simulator->room_temperature * 1000); |
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747 | device->timestamp = time(NULL); |
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748 | } else if (device->subdevice == 1) { |
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749 | device->value = (int)(simulator->air_temperature * 1000); |
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750 | device->timestamp = time(NULL); |
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751 | } else if (device->subdevice == 2) { |
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752 | device->value = (int)(simulator->beer_temperature * 1000); |
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753 | device->timestamp = time(NULL); |
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754 | } |
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755 | } |
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756 | #ifdef HAVE_WIRINGPI_H |
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757 | piUnlock(LOCK_DEVICES); |
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758 | #endif |
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759 | break; |
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760 | #endif |
164
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761 | default: |
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762 | break; |
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763 | } |
212 | 764 | |
765 | /* | |
766 | * Delay a bit after procesing a device. | |
767 | */ | |
768 | usleep(10000); | |
769 | } | |
215
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770 | /* |
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771 | * Delay a bit after all devices |
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772 | */ |
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773 | usleep(100000); |
158 | 774 | } |
775 | ||
776 | syslog(LOG_NOTICE, "Thread my_devices_loop stopped"); | |
777 | return 0; | |
778 | } | |
779 | ||
780 | ||
781 |