[490] | 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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