1 | #if 0 |
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2 | Inter-driver communications tutorial - Dome Driver |
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3 | Copyright (C) 2007 Jasem Mutlaq (mutlaqja@ikarustech.com) |
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4 | |
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5 | This library is free software; you can redistribute it and/or |
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6 | modify it under the terms of the GNU Lesser General Public |
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7 | License as published by the Free Software Foundation; either |
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8 | version 2.1 of the License, or (at your option) any later version. |
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9 | |
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10 | This library is distributed in the hope that it will be useful, |
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 | Lesser General Public License for more details. |
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14 | |
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15 | You should have received a copy of the GNU Lesser General Public |
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16 | License along with this library; if not, write to the Free Software |
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17 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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18 | |
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19 | #endif |
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20 | |
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21 | #include <stdio.h> |
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22 | #include <stdlib.h> |
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23 | #include <string.h> |
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24 | #include <stdarg.h> |
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25 | #include <math.h> |
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26 | #include <unistd.h> |
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27 | #include <time.h> |
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28 | #include <fcntl.h> |
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29 | #include <errno.h> |
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30 | #include <sys/stat.h> |
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31 | #include <sys/time.h> |
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32 | #include <sys/types.h> |
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33 | #include <sys/socket.h> |
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34 | #include <netinet/in.h> |
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35 | #include <netdb.h> |
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36 | #include <zlib.h> |
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37 | |
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38 | #include "indidevapi.h" |
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39 | #include "eventloop.h" |
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40 | #include "indicom.h" |
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41 | |
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42 | #define mydev "Dome" |
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43 | |
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44 | #define MAIN_GROUP "Main" |
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45 | #define SNOOP_GROUP "Snooped" |
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46 | |
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47 | /* Connect/Disconnect */ |
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48 | static ISwitch PowerS[] = {{"CONNECT" , "Connect" , ISS_OFF, 0, 0},{"DISCONNECT", "Disconnect", ISS_ON, 0, 0}}; |
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49 | static ISwitchVectorProperty PowerSP = { mydev, "CONNECTION" , "Connection", MAIN_GROUP, IP_RW, ISR_1OFMANY, 60, IPS_IDLE, PowerS, NARRAY(PowerS), "", 0}; |
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50 | |
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51 | /* Dome Open/Close */ |
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52 | static ISwitch DomeS[] = {{"Open", "", ISS_ON, 0, 0}, {"Close", "", ISS_OFF, 0, 0}}; |
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53 | static ISwitchVectorProperty DomeSP = { mydev, "Dome Status", "", MAIN_GROUP, IP_RW, ISR_1OFMANY, 0, IPS_IDLE, DomeS , NARRAY(DomeS), "", 0}; |
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54 | |
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55 | /* The property we're trying to fetch from the rain driver. It's a carbon copy of the property define in rain.c, we initilize its structure here like any |
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56 | other local property, but we don't define it to client, it's only used internally within the driver. |
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57 | |
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58 | MAKE SURE to set the property's device name to the device we're snooping on! If you copy/paste the property definition from the snooped driver |
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59 | don't forget to remove "mydev" and replace it with the driver name. |
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60 | */ |
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61 | static ILight RainL[] = {{"Status", "", IPS_IDLE, 0, 0}}; |
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62 | static ILightVectorProperty RainLP = { "Rain", "Rain Alert", "", SNOOP_GROUP, IPS_IDLE, RainL , NARRAY(RainL), "", 0}; |
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63 | |
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64 | void ISGetProperties (const char *dev) |
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65 | { |
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66 | /* MAIN_GROUP */ |
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67 | IDDefSwitch(&PowerSP, NULL); |
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68 | IDDefSwitch(&DomeSP, NULL); |
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69 | |
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70 | /* Let's listen for Rain Alert property in the device Rain */ |
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71 | IDSnoopDevice("Rain", "Rain Alert"); |
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72 | } |
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73 | |
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74 | void ISNewBLOB (const char *dev, const char *name, int sizes[], int blobsizes[], char *blobs[], char *formats[], char *names[], int n) {} |
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75 | |
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76 | void ISSnoopDevice (XMLEle *root) |
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77 | { |
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78 | |
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79 | IPState old_state = RainL[0].s; |
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80 | |
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81 | /* If the "Rain Alert" property gets updated in the Rain device, we will receive a notification. We need to process the new values of Rain Alert and update the local version |
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82 | of the property.*/ |
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83 | if (IUSnoopLight(root, &RainLP) == 0) |
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84 | { |
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85 | |
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86 | // If the dome is connected and rain is Alert */ |
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87 | if (PowerSP.s == IPS_OK && RainL[0].s == IPS_ALERT) |
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88 | { |
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89 | // If dome is open, then close it */ |
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90 | if (DomeS[0].s == ISS_ON) |
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91 | closeDome(); |
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92 | else |
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93 | IDMessage(mydev, "Rain Alert Detected! Dome is already closed."); |
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94 | } |
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95 | else if (old_state == IPS_ALERT && RainL[0].s != IPS_ALERT) |
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96 | IDMessage(mydev, "Rain threat passed. Opening the dome is now safe."); |
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97 | |
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98 | } |
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99 | |
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100 | } |
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101 | |
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102 | void ISNewSwitch (const char *dev, const char *name, ISState *states, char *names[], int n) |
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103 | { |
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104 | /* ignore if not ours */ |
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105 | if (dev && strcmp (dev, mydev)) |
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106 | return; |
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107 | |
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108 | /* Connection */ |
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109 | if (!strcmp (name, PowerSP.name)) |
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110 | { |
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111 | if (IUUpdateSwitch(&PowerSP, states, names, n) < 0) |
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112 | return; |
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113 | |
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114 | PowerSP.s = IPS_OK; |
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115 | |
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116 | if (PowerS[0].s == ISS_ON) |
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117 | IDSetSwitch(&PowerSP, "Dome is online."); |
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118 | else |
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119 | { |
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120 | PowerSP.s = IPS_IDLE; |
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121 | IDSetSwitch(&PowerSP, "Dome is offline."); |
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122 | } |
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123 | |
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124 | return; |
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125 | } |
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126 | |
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127 | /* Dome */ |
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128 | if (!strcmp (name, DomeSP.name)) |
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129 | { |
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130 | |
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131 | if (PowerSP.s != IPS_OK) |
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132 | { |
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133 | IDMessage(mydev, "Dome is offline!"); |
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134 | return; |
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135 | } |
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136 | |
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137 | if (IUUpdateSwitch(&DomeSP, states, names, n) < 0) |
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138 | return; |
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139 | |
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140 | DomeSP.s = IPS_BUSY; |
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141 | |
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142 | if (DomeS[0].s == ISS_ON) |
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143 | { |
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144 | if (RainL[0].s == IPS_ALERT) |
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145 | { |
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146 | DomeSP.s = IPS_ALERT; |
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147 | DomeS[0].s = ISS_OFF; |
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148 | DomeS[1].s = ISS_ON; |
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149 | IDSetSwitch(&DomeSP, "It is raining, cannot open dome."); |
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150 | return; |
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151 | } |
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152 | |
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153 | IDSetSwitch(&DomeSP, "Dome is opening."); |
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154 | } |
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155 | else |
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156 | IDSetSwitch(&DomeSP, "Dome is closing."); |
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157 | |
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158 | sleep(5); |
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159 | |
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160 | DomeSP.s = IPS_OK; |
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161 | |
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162 | if (DomeS[0].s == ISS_ON) |
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163 | IDSetSwitch(&DomeSP, "Dome is open."); |
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164 | else |
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165 | IDSetSwitch(&DomeSP, "Dome is closed."); |
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166 | |
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167 | return; |
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168 | } |
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169 | |
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170 | } |
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171 | |
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172 | void ISNewText (const char *dev, const char *name, char *texts[], char *names[], int n) |
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173 | { |
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174 | /* ignore if not ours */ |
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175 | if (dev && strcmp (mydev, dev)) |
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176 | return; |
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177 | |
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178 | /* suppress warning */ |
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179 | n=n; dev=dev; name=name; names=names; texts=texts; |
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180 | } |
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181 | |
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182 | |
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183 | void ISNewNumber (const char *dev, const char *name, double values[], char *names[], int n) {} |
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184 | |
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185 | void closeDome() |
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186 | { |
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187 | DomeSP.s = IPS_BUSY; |
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188 | |
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189 | IDSetSwitch(&DomeSP, "Rain Alert! Dome is closing..."); |
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190 | |
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191 | sleep(5); |
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192 | |
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193 | DomeS[0].s = ISS_OFF; |
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194 | DomeS[1].s = ISS_ON; |
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195 | |
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196 | DomeSP.s = IPS_OK; |
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197 | |
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198 | IDSetSwitch(&DomeSP, "Dome is closed."); |
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199 | |
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200 | |
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201 | } |
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202 | |
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