| 1 | /*- |
| 2 | * Copyright (c) 1992, 1993, 1995 Eugene W. Stark |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software |
| 14 | * must display the following acknowledgement: |
| 15 | * This product includes software developed by Eugene W. Stark. |
| 16 | * 4. The name of the author may not be used to endorse or promote products |
| 17 | * derived from this software without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY EUGENE W. STARK (THE AUTHOR) ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 23 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 25 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | * |
| 31 | * $FreeBSD: src/libexec/xtend/packet.c,v 1.8 1999/08/28 00:10:30 peter Exp $ |
| 32 | * $DragonFly: src/libexec/xtend/packet.c,v 1.2 2003/06/17 04:27:08 dillon Exp $ |
| 33 | */ |
| 34 | |
| 35 | #include <stdio.h> |
| 36 | #include <sys/time.h> |
| 37 | #include "xtend.h" |
| 38 | #include "xten.h" |
| 39 | |
| 40 | char *X10housenames[] = { |
| 41 | "A", "B", "C", "D", "E", "F", "G", "H", |
| 42 | "I", "J", "K", "L", "M", "N", "O", "P", |
| 43 | NULL |
| 44 | }; |
| 45 | |
| 46 | char *X10cmdnames[] = { |
| 47 | "1", "2", "3", "4", "5", "6", "7", "8", |
| 48 | "9", "10", "11", "12", "13", "14", "15", "16", |
| 49 | "AllUnitsOff", "AllLightsOn", "On", "Off", "Dim", "Bright", "AllLightsOff", |
| 50 | "ExtendedCode", "HailRequest", "HailAcknowledge", "PreSetDim0", "PreSetDim1", |
| 51 | "ExtendedData", "StatusOn", "StatusOff", "StatusRequest", |
| 52 | NULL |
| 53 | }; |
| 54 | |
| 55 | /* |
| 56 | * Log a packet and update device status accordingly |
| 57 | */ |
| 58 | |
| 59 | void |
| 60 | logpacket(p) |
| 61 | unsigned char *p; |
| 62 | { |
| 63 | fprintf(Log, "%s: %s %s ", thedate(), |
| 64 | X10housenames[p[1]], X10cmdnames[p[2]]); |
| 65 | if(p[0] & TW_RCV_LOCAL) fprintf(Log, "(loc,"); |
| 66 | else fprintf(Log, "(rem,"); |
| 67 | if(p[0] & TW_RCV_ERROR) fprintf(Log, "err)"); |
| 68 | else fprintf(Log, " ok)"); |
| 69 | fprintf(Log, "\n"); |
| 70 | } |
| 71 | |
| 72 | /* |
| 73 | * Process a received packet p, updating device status information both |
| 74 | * in core and on disk. |
| 75 | */ |
| 76 | |
| 77 | void |
| 78 | processpacket(p) |
| 79 | unsigned char *p; |
| 80 | { |
| 81 | int i, j, h, k; |
| 82 | STATUS *s; |
| 83 | |
| 84 | /* |
| 85 | * If the packet had the error flag set, there is no other useful info. |
| 86 | */ |
| 87 | if(p[0] & TW_RCV_ERROR) return; |
| 88 | /* |
| 89 | * First update in-core status information for the device. |
| 90 | */ |
| 91 | h = p[1]; k = p[2]; |
| 92 | if(k < 16) { /* We received a unit code, to select a particular device */ |
| 93 | s = &Status[h][k]; |
| 94 | s->selected = SELECTED; |
| 95 | s->lastchange = time(NULL); |
| 96 | s->changed = 1; |
| 97 | } else { /* We received a key code, to execute some function */ |
| 98 | /* |
| 99 | * Change in status depends on the key code received |
| 100 | */ |
| 101 | if(k == DIM) { |
| 102 | /* |
| 103 | * We can't really track DIM/BRIGHT properly the way things are right |
| 104 | * now. The TW523 reports the first, fourth, seventh, etc. Dim packet. |
| 105 | * We don't really have any way to tell when gaps occur, to cancel |
| 106 | * selection. For now, we'll assume that successive sequences of |
| 107 | * Dim/Bright commands are never transmitted without some other |
| 108 | * intervening command, and we make a good guess about how many units of |
| 109 | * dim/bright are represented by each packet actually reported by the |
| 110 | * TW523. |
| 111 | */ |
| 112 | for(i = 0; i < 16; i++) { |
| 113 | s = &Status[h][i]; |
| 114 | switch(s->selected) { |
| 115 | case SELECTED: /* Selected, but not being dimmed or brightened */ |
| 116 | if(s->onoff == 0) { |
| 117 | s->onoff = 1; |
| 118 | s->brightness = 15; |
| 119 | } |
| 120 | s->brightness -= 2; |
| 121 | if(s->brightness < 0) s->brightness = 0; |
| 122 | s->selected = DIMMING; |
| 123 | s->lastchange = time(NULL); |
| 124 | s->changed = 1; |
| 125 | break; |
| 126 | case DIMMING: /* Selected and being dimmed */ |
| 127 | s->brightness -=3; |
| 128 | if(s->brightness < 0) s->brightness = 0; |
| 129 | s->lastchange = time(NULL); |
| 130 | s->changed = 1; |
| 131 | break; |
| 132 | case BRIGHTENING: /* Selected and being brightened (an error) */ |
| 133 | s->selected = IDLE; |
| 134 | s->lastchange = time(NULL); |
| 135 | s->changed = 1; |
| 136 | break; |
| 137 | default: |
| 138 | break; |
| 139 | } |
| 140 | } |
| 141 | } else if(k == BRIGHT) { |
| 142 | /* |
| 143 | * Same problem here... |
| 144 | */ |
| 145 | for(i = 0; i < 16; i++) { |
| 146 | s = &Status[h][i]; |
| 147 | switch(s->selected) { |
| 148 | case SELECTED: /* Selected, but not being dimmed or brightened */ |
| 149 | if(s->onoff == 0) { |
| 150 | s->onoff = 1; |
| 151 | s->brightness = 15; |
| 152 | } |
| 153 | s->brightness += 2; |
| 154 | if(s->brightness > 15) s->brightness = 15; |
| 155 | s->selected = BRIGHTENING; |
| 156 | s->lastchange = time(NULL); |
| 157 | s->changed = 1; |
| 158 | break; |
| 159 | case DIMMING: /* Selected and being dimmed (an error) */ |
| 160 | s->selected = IDLE; |
| 161 | s->lastchange = time(NULL); |
| 162 | s->changed = 1; |
| 163 | break; |
| 164 | case BRIGHTENING: /* Selected and being brightened */ |
| 165 | s->brightness +=3; |
| 166 | if(s->brightness > 15) s->brightness = 15; |
| 167 | s->lastchange = time(NULL); |
| 168 | s->changed = 1; |
| 169 | break; |
| 170 | default: |
| 171 | break; |
| 172 | } |
| 173 | } |
| 174 | } else { /* Other key codes besides Bright and Dim */ |
| 175 | /* |
| 176 | * We cancel brightening and dimming on ALL units on ALL house codes, |
| 177 | * because the arrival of a different packet indicates a gap that |
| 178 | * terminates any prior sequence of brightening and dimming |
| 179 | */ |
| 180 | for(j = 0; j < 16; j++) { |
| 181 | for(i = 0; i < 16; i++) { |
| 182 | s = &Status[j][i]; |
| 183 | if(s->selected == BRIGHTENING || s->selected == DIMMING) { |
| 184 | s->selected = IDLE; |
| 185 | s->lastchange = time(NULL); |
| 186 | s->changed = 1; |
| 187 | } |
| 188 | } |
| 189 | } |
| 190 | switch(k) { |
| 191 | case ALLUNITSOFF: |
| 192 | for(i = 0; i < 16; i++) { |
| 193 | s = &Status[h][i]; |
| 194 | s->onoff = 0; |
| 195 | s->selected = IDLE; |
| 196 | s->brightness = 0; |
| 197 | s->lastchange = time(NULL); |
| 198 | s->changed = 1; |
| 199 | } |
| 200 | break; |
| 201 | case ALLLIGHTSON: |
| 202 | /* Does AllLightsOn cancel selectedness of non-lights? */ |
| 203 | for(i = 0; i < 16; i++) { |
| 204 | s = &Status[h][i]; |
| 205 | if(s->devcap & ISLIGHT) { |
| 206 | s->onoff = 1; |
| 207 | s->selected = IDLE; |
| 208 | s->brightness = 15; |
| 209 | s->lastchange = time(NULL); |
| 210 | s->changed = 1; |
| 211 | } |
| 212 | } |
| 213 | break; |
| 214 | case UNITON: |
| 215 | for(i = 0; i < 16; i++) { |
| 216 | s = &Status[h][i]; |
| 217 | if(s->selected == SELECTED) { |
| 218 | s->onoff = 1; |
| 219 | s->selected = IDLE; |
| 220 | s->brightness = 15; |
| 221 | s->lastchange = time(NULL); |
| 222 | s->changed = 1; |
| 223 | } |
| 224 | } |
| 225 | break; |
| 226 | case UNITOFF: |
| 227 | for(i = 0; i < 16; i++) { |
| 228 | s = &Status[h][i]; |
| 229 | if(s->selected == SELECTED) { |
| 230 | s->onoff = 0; |
| 231 | s->selected = IDLE; |
| 232 | s->lastchange = time(NULL); |
| 233 | s->changed = 1; |
| 234 | } |
| 235 | } |
| 236 | break; |
| 237 | case ALLLIGHTSOFF: |
| 238 | /* Does AllLightsOff cancel selectedness of non-lights? */ |
| 239 | for(i = 0; i < 16; i++) { |
| 240 | s = &Status[h][i]; |
| 241 | if(s->devcap & ISLIGHT) { |
| 242 | s->onoff = 0; |
| 243 | s->selected = IDLE; |
| 244 | s->lastchange = time(NULL); |
| 245 | s->changed = 1; |
| 246 | } |
| 247 | } |
| 248 | break; |
| 249 | case EXTENDEDCODE: |
| 250 | break; |
| 251 | case HAILREQUEST: |
| 252 | for(i = 0; i < 16; i++) { |
| 253 | s = &Status[h][i]; |
| 254 | if(s->selected == SELECTED) { |
| 255 | s->selected = HAILED; |
| 256 | s->lastchange = time(NULL); |
| 257 | s->changed = 1; |
| 258 | } |
| 259 | } |
| 260 | break; |
| 261 | case HAILACKNOWLEDGE: |
| 262 | /* Do these commands cancel selection of devices not affected? */ |
| 263 | for(i = 0; i < 16; i++) { |
| 264 | s = &Status[h][i]; |
| 265 | if(s->selected == HAILED) { |
| 266 | s->selected = IDLE; |
| 267 | s->lastchange = time(NULL); |
| 268 | s->changed = 1; |
| 269 | } |
| 270 | } |
| 271 | break; |
| 272 | case PRESETDIM0: |
| 273 | case PRESETDIM1: |
| 274 | /* I don't really understand these */ |
| 275 | for(i = 0; i < 16; i++) { |
| 276 | s = &Status[h][i]; |
| 277 | if(s->selected == SELECTED) { |
| 278 | s->selected = IDLE; |
| 279 | s->lastchange = time(NULL); |
| 280 | s->changed = 1; |
| 281 | } |
| 282 | } |
| 283 | break; |
| 284 | case EXTENDEDDATA: |
| 285 | /* Who knows? The TW523 can't receive these anyway. */ |
| 286 | break; |
| 287 | case STATUSON: |
| 288 | for(i = 0; i < 16; i++) { |
| 289 | s = &Status[h][i]; |
| 290 | if(s->selected == REQUESTED) { |
| 291 | s->onoff = 1; |
| 292 | s->selected = IDLE; |
| 293 | s->lastchange = time(NULL); |
| 294 | s->changed = 1; |
| 295 | } |
| 296 | } |
| 297 | break; |
| 298 | case STATUSOFF: |
| 299 | for(i = 0; i < 16; i++) { |
| 300 | if(s->selected == REQUESTED) { |
| 301 | s = &Status[h][i]; |
| 302 | s->onoff = 0; |
| 303 | s->selected = IDLE; |
| 304 | s->brightness = 0; |
| 305 | s->lastchange = time(NULL); |
| 306 | s->changed = 1; |
| 307 | } |
| 308 | } |
| 309 | case STATUSREQUEST: |
| 310 | for(i = 0; i < 16; i++) { |
| 311 | s = &Status[h][i]; |
| 312 | if(s->selected) { |
| 313 | s->selected = REQUESTED; |
| 314 | s->lastchange = time(NULL); |
| 315 | s->changed = 1; |
| 316 | } |
| 317 | } |
| 318 | break; |
| 319 | } |
| 320 | } |
| 321 | } |
| 322 | } |