Showing the changes to gui-android/cpp/devandroid.c (1 of 27 files). Show all
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| 1 | #include "u.h" | ||
| 2 | #include "lib.h" | ||
| 3 | #include "dat.h" | ||
| 4 | #include "fns.h" | ||
| 5 | #include "error.h" | ||
| 6 | |||
| 7 | #include <android/log.h> | ||
| 8 | #include <android/sensor.h> | ||
| 9 | |||
| 10 | void show_notification(char *buf); | ||
| 11 | void take_picture(int id); | ||
| 12 | int num_cameras(); | ||
| 13 | |||
| 14 | int Ncameras = 0; | ||
| 15 | |||
| 16 | uchar *cambuf = nil; | ||
| 17 | int camlen; | ||
| 18 | |||
| 19 | ASensorManager *sensorManager = NULL; | ||
| 20 | |||
| 21 | enum | ||
| 22 | { | ||
| 23 | Qdir = 0, | ||
| 24 | Qcam = 1, | ||
| 25 | Qaccel = 2, | ||
| 26 | Qcompass = 4, | ||
| 27 | Qnotification = 6, | ||
| 28 | }; | ||
| 29 | #define QID(p, c, y) (((p)<<16) | ((c)<<4) | (y)) | ||
| 30 | |||
| 31 | static void androidinit(void); | ||
| 32 | |||
| 33 | static void | ||
| 34 | androidinit(void) | ||
| 35 | { | ||
| 36 | sensorManager = ASensorManager_getInstance(); | ||
| 37 | |||
| 38 | Ncameras = num_cameras(); | ||
| 39 | } | ||
| 40 | |||
| 41 | static Chan* | ||
| 42 | androidattach(char *param) | ||
| 43 | { | ||
| 44 | Chan *c; | ||
| 45 | |||
| 46 | c = devattach('N', param); | ||
| 47 | c->qid.path = QID(0, 0, Qdir); | ||
| 48 | c->qid.type = QTDIR; | ||
| 49 | c->qid.vers = 0; | ||
| 50 | |||
| 51 | return c; | ||
| 52 | } | ||
| 53 | |||
| 54 | static int | ||
| 55 | androidgen(Chan *c, char *n, Dirtab *d, int nd, int s, Dir *dp) | ||
| 56 | { | ||
| 57 | Qid q; | ||
| 58 | |||
| 59 | if (s == DEVDOTDOT) { | ||
| 60 | mkqid(&q, Qdir, 0, QTDIR); | ||
| 61 | devdir(c, q, "#N", 0, eve, 0555, dp); | ||
| 62 | return 1; | ||
| 63 | } | ||
| 64 | if (s < Ncameras) { | ||
| 65 | sprintf(up->genbuf, "cam%d.jpg", s); | ||
| 66 | mkqid(&q, (s << 16) | Qcam, 0, QTFILE); | ||
| 67 | devdir(c, q, up->genbuf, 0, eve, 0444, dp); | ||
| 68 | return 1; | ||
| 69 | } | ||
| 70 | if (s == Ncameras) { | ||
| 71 | sprintf(up->genbuf, "accel"); | ||
| 72 | mkqid(&q, Qaccel, 0, QTFILE); | ||
| 73 | devdir(c, q, up->genbuf, 0, eve, 0444, dp); | ||
| 74 | return 1; | ||
| 75 | } | ||
| 76 | if (s == (Ncameras+1)) { | ||
| 77 | sprintf(up->genbuf, "compass"); | ||
| 78 | mkqid(&q, Qcompass, 0, QTFILE); | ||
| 79 | devdir(c, q, up->genbuf, 0, eve, 0444, dp); | ||
| 80 | return 1; | ||
| 81 | } | ||
| 82 | if (s == (Ncameras+2)) { | ||
| 83 | sprintf(up->genbuf, "notification"); | ||
| 84 | mkqid(&q, Qnotification, 0, QTFILE); | ||
| 85 | devdir(c, q, up->genbuf, 0, eve, 0222, dp); | ||
| 86 | return 1; | ||
| 87 | } | ||
| 88 | return -1; | ||
| 89 | } | ||
| 90 | |||
| 91 | static Walkqid* | ||
| 92 | androidwalk(Chan *c, Chan *nc, char **name, int nname) | ||
| 93 | { | ||
| 94 | return devwalk(c, nc, name, nname, 0, 0, androidgen); | ||
| 95 | } | ||
| 96 | |||
| 97 | static int | ||
| 98 | androidstat(Chan *c, uchar *db, int n) | ||
| 99 | { | ||
| 100 | return devstat(c, db, n, 0, 0, androidgen); | ||
| 101 | } | ||
| 102 | |||
| 103 | static Chan* | ||
| 104 | androidopen(Chan *c, int omode) | ||
| 105 | { | ||
| 106 | p9_uvlong s; | ||
| 107 | |||
| 108 | c = devopen(c, omode, 0, 0, androidgen); | ||
| 109 | |||
| 110 | if (c->qid.path & Qcam) { | ||
| 111 | s = c->qid.path >> 16; | ||
| 112 | take_picture(s); | ||
| 113 | } | ||
| 114 | c->mode = openmode(omode); | ||
| 115 | c->flag |= COPEN; | ||
| 116 | c->offset = 0; | ||
| 117 | c->iounit = 8192; | ||
| 118 | |||
| 119 | return c; | ||
| 120 | } | ||
| 121 | |||
| 122 | static void | ||
| 123 | androidclose(Chan *c) | ||
| 124 | { | ||
| 125 | if (c->qid.path & Qcam && cambuf != nil) { | ||
| 126 | free(cambuf); | ||
| 127 | cambuf = nil; | ||
| 128 | } | ||
| 129 | } | ||
| 130 | |||
| 131 | static long | ||
| 132 | androidread(Chan *c, void *v, long n, vlong off) | ||
| 133 | { | ||
| 134 | char *a = v; | ||
| 135 | long l; | ||
| 136 | const ASensor *sensor; | ||
| 137 | ASensorEventQueue *queue = NULL; | ||
| 138 | ASensorEvent data; | ||
| 139 | |||
| 140 | switch((ulong)c->qid.path & 0xF) { | ||
| 141 | default: | ||
| 142 | error(Eperm); | ||
| 143 | return -1; | ||
| 144 | |||
| 145 | case Qcam: | ||
| 146 | while(cambuf == nil) | ||
| 147 | usleep(10 * 1000); | ||
| 148 | |||
| 149 | l = camlen - off; | ||
| 150 | if (l > n) | ||
| 151 | l = n; | ||
| 152 | |||
| 153 | if (l > 0) | ||
| 154 | memcpy(a, cambuf + off, l); | ||
| 155 | |||
| 156 | return l; | ||
| 157 | case Qaccel: | ||
| 158 | queue = ASensorManager_createEventQueue(sensorManager, ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS), 1, NULL, NULL); | ||
| 159 | if (queue == NULL) | ||
| 160 | return 0; | ||
| 161 | sensor = ASensorManager_getDefaultSensor(sensorManager, ASENSOR_TYPE_ACCELEROMETER); | ||
| 162 | if (sensor == NULL) { | ||
| 163 | ASensorManager_destroyEventQueue(sensorManager, queue); | ||
| 164 | return 0; | ||
| 165 | } | ||
| 166 | if (ASensorEventQueue_enableSensor(queue, sensor)) { | ||
| 167 | ASensorEventQueue_disableSensor(queue, sensor); | ||
| 168 | ASensorManager_destroyEventQueue(sensorManager, queue); | ||
| 169 | return 0; | ||
| 170 | } | ||
| 171 | l = 0; | ||
| 172 | if (ALooper_pollAll(1000, NULL, NULL, NULL) == 1) { | ||
| 173 | if (ASensorEventQueue_getEvents(queue, &data, 1)) { | ||
| 174 | l = snprint(a, n, "%11f %11f %11f\n", data.vector.x, data.vector.y, data.vector.z); | ||
| 175 | } | ||
| 176 | } | ||
| 177 | ASensorEventQueue_disableSensor(queue, sensor); | ||
| 178 | ASensorManager_destroyEventQueue(sensorManager, queue); | ||
| 179 | return l; | ||
| 180 | case Qcompass: | ||
| 181 | queue = ASensorManager_createEventQueue(sensorManager, ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS), 1, NULL, NULL); | ||
| 182 | if (queue == NULL) | ||
| 183 | return 0; | ||
| 184 | sensor = ASensorManager_getDefaultSensor(sensorManager, ASENSOR_TYPE_MAGNETIC_FIELD); | ||
| 185 | if (sensor == NULL) { | ||
| 186 | ASensorManager_destroyEventQueue(sensorManager, queue); | ||
| 187 | return 0; | ||
| 188 | } | ||
| 189 | if (ASensorEventQueue_enableSensor(queue, sensor)) { | ||
| 190 | ASensorEventQueue_disableSensor(queue, sensor); | ||
| 191 | ASensorManager_destroyEventQueue(sensorManager, queue); | ||
| 192 | return 0; | ||
| 193 | } | ||
| 194 | l = 0; | ||
| 195 | if (ALooper_pollAll(1000, NULL, NULL, NULL) == 1) { | ||
| 196 | if (ASensorEventQueue_getEvents(queue, &data, 1)) { | ||
| 197 | l = snprint(a, n, "%11f %11f %11f\n", data.vector.x, data.vector.y, data.vector.z); | ||
| 198 | } | ||
| 199 | } | ||
| 200 | ASensorEventQueue_disableSensor(queue, sensor); | ||
| 201 | ASensorManager_destroyEventQueue(sensorManager, queue); | ||
| 202 | return l; | ||
| 203 | case Qdir: | ||
| 204 | return devdirread(c, a, n, 0, 0, androidgen); | ||
| 205 | } | ||
| 206 | } | ||
| 207 | |||
| 208 | static long | ||
| 209 | androidwrite(Chan *c, void *vp, long n, vlong off) | ||
| 210 | { | ||
| 211 | char *a = vp; | ||
| 212 | char *str; | ||
| 213 | |||
| 214 | switch((ulong)c->qid.path) { | ||
| 215 | case Qnotification: | ||
| 216 | str = malloc(n+1); | ||
| 217 | memcpy(str, a, n); | ||
| 218 | str[n] = '\0'; | ||
| 219 | show_notification(str); | ||
| 220 | free(str); | ||
| 221 | return n; | ||
| 222 | default: | ||
| 223 | error(Eperm); | ||
| 224 | break; | ||
| 225 | } | ||
| 226 | return -1; | ||
| 227 | } | ||
| 228 | |||
| 229 | Dev androiddevtab = { | ||
| 230 | 'N', | ||
| 231 | "android", | ||
| 232 | |||
| 233 | devreset, | ||
| 234 | androidinit, | ||
| 235 | devshutdown, | ||
| 236 | androidattach, | ||
| 237 | androidwalk, | ||
| 238 | androidstat, | ||
| 239 | androidopen, | ||
| 240 | devcreate, | ||
| 241 | androidclose, | ||
| 242 | androidread, | ||
| 243 | devbread, | ||
| 244 | androidwrite, | ||
| 245 | devbwrite, | ||
| 246 | devremove, | ||
| 247 | devwstat, | ||
| 248 | }; | ||