int i = sensor[s].catalog_index;
const char *prefix = sensor_catalog[i].tag;
+ const char *shorthand = sensor_catalog[i].shorthand;
/* First try most specialized form, like ro.iio.anglvel.bmg160.name */
return 0;
}
+ if (shorthand[0] != '\0') {
+ /* Try with shorthand instead of prefix */
+ snprintf(prop_name, PROP_NAME_MAX, PROP_BASE, shorthand, extended_sel);
+
+ if (property_get(prop_name, prop_val, "")) {
+ strncpy(val, prop_val, MAX_NAME_SIZE-1);
+ val[MAX_NAME_SIZE-1] = '\0';
+ return 0;
+ }
+ }
/* Fall back to simple form, like ro.iio.anglvel.name */
snprintf(prop_name, PROP_NAME_MAX, PROP_BASE, prefix, sel);
if (strstr(quirks_buf, "no-poll"))
sensor[s].quirks |= QUIRK_NO_POLL_MODE;
+ if (strstr(quirks_buf, "hrtimer"))
+ sensor[s].quirks |= QUIRK_HRTIMER;
+
+ if (strstr(quirks_buf, "secondary"))
+ sensor[s].quirks |= QUIRK_SECONDARY;
+
sensor[s].quirks |= QUIRK_ALREADY_DECODED;
}
return 1; /* OK to use modified ordering map */
}
+int sensor_get_mounting_matrix (int s, float mm[9])
+{
+ int dev_num = sensor[s].dev_num, err, i;
+ char mm_path[PATH_MAX], mm_buf[100];
+ char *tmp1 = mm_buf, *tmp2;
+
+ switch (sensor[s].type) {
+ case SENSOR_TYPE_ACCELEROMETER:
+ case SENSOR_TYPE_MAGNETIC_FIELD:
+ case SENSOR_TYPE_GYROSCOPE:
+ case SENSOR_TYPE_PROXIMITY:
+ break;
+ default:
+ return 0;
+ }
+
+ sprintf(mm_path, MOUNTING_MATRIX_PATH, dev_num);
+
+ err = sysfs_read_str(mm_path, mm_buf, sizeof(mm_buf));
+ if (err < 0)
+ return 0;
+
+ for(i = 0; i < 9; i++) {
+ float f;
+
+ f = strtof(tmp1, &tmp2);
+ if (!f && tmp1 == tmp2)
+ return 0;
+ mm[i] = f;
+ tmp1 = tmp2 + 1;
+ }
+
+ /*
+ * For proximity sensors, interpret a negative final z value as a hint that the sensor is back mounted. In that case, mark the sensor as secondary to
+ * ensure that it gets listed after other sensors of same type that would be front-mounted. Most applications will only ask for the default proximity
+ * sensor and it makes more sense to point to, say, the IR based proximity sensor rather than SAR based one if we have both, as on SoFIA LTE MRD boards.
+ */
+ if (sensor[s].type == SENSOR_TYPE_PROXIMITY) {
+ if (mm[8] < 0) {
+ sensor[s].quirks |= QUIRK_SECONDARY;
+ }
+ return 0;
+ }
+
+ ALOGI("%s: %f %f %f %f %f %f %f %f %f\n", __func__, mm[0], mm[1], mm[2], mm[3], mm[4], mm[5], mm[6], mm[7], mm[8]);
+ return 1;
+}
+
char* sensor_get_string_type (int s)
{
int dev_num = sensor[s].dev_num;
char freqs_buf[100];
char* cursor;
- float min_supported_rate = 1000;
+ float min_supported_rate;
float rate_cap;
float sr;
return 0;
}
}
- sprintf(avail_sysfs_path, DEVICE_AVAIL_FREQ_PATH, dev_num);
- if (sysfs_read_str(avail_sysfs_path, freqs_buf, sizeof(freqs_buf)) < 0) {
- if (sensor[s].mode == MODE_POLL) {
- /* The must rate */
- min_supported_rate = get_cdd_freq(s, 1);
- }
- } else {
- cursor = freqs_buf;
- while (*cursor && cursor[0]) {
+ switch (sensor[s].mode) {
+ case MODE_TRIGGER:
+ /* For interrupt-based devices, obey the list of supported sampling rates */
+ sprintf(avail_sysfs_path, DEVICE_AVAIL_FREQ_PATH, dev_num);
+ if (sysfs_read_str(avail_sysfs_path, freqs_buf, sizeof(freqs_buf)) > 0) {
- /* Decode a single value */
- sr = strtod(cursor, NULL);
+ min_supported_rate = 1000;
+ cursor = freqs_buf;
- if (sr < min_supported_rate)
- min_supported_rate = sr;
+ while (*cursor && cursor[0]) {
- /* Skip digits */
- while (cursor[0] && !isspace(cursor[0]))
- cursor++;
+ /* Decode a single value */
+ sr = strtod(cursor, NULL);
- /* Skip spaces */
- while (cursor[0] && isspace(cursor[0]))
- cursor++;
- }
+ if (sr < min_supported_rate)
+ min_supported_rate = sr;
+
+ /* Skip digits */
+ while (cursor[0] && !isspace(cursor[0]))
+ cursor++;
+
+ /* Skip spaces */
+ while (cursor[0] && isspace(cursor[0]))
+ cursor++;
+ }
+
+ break;
+ }
+
+ /* Fall through ... */
+
+ default:
+ /* Report 1 Hz */
+ min_supported_rate = 1;
+ break;
}
/* Check if a minimum rate was specified for this sensor */