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authorMark Salyzyn <salyzyn@google.com>2015-02-25 21:10:59 +0000
committerAndroid Git Automerger <android-git-automerger@android.com>2015-02-25 21:10:59 +0000
commitec59a36fbf4f66d4d9c3ff13dd658ba51e9b5c5b (patch)
treeeadd8312dfd4eaeabc1a5403a5bd25c87c27a7f6 /60xx/libsensors_iio/software/core/mllite/data_builder.c
parent309c5018d1a7680af5ed2b0af8f2530b8db71f7a (diff)
parentc07cba5fcbe41974f104704f8608708c836030de (diff)
downloadinvensense-ec59a36fbf4f66d4d9c3ff13dd658ba51e9b5c5b.tar.gz
am c07cba5f: am eb77dbf0: Merge "Revert "manta: batching and timestamp issues""
* commit 'c07cba5fcbe41974f104704f8608708c836030de': Revert "manta: batching and timestamp issues"
Diffstat (limited to '60xx/libsensors_iio/software/core/mllite/data_builder.c')
-rw-r--r--60xx/libsensors_iio/software/core/mllite/data_builder.c127
1 files changed, 8 insertions, 119 deletions
diff --git a/60xx/libsensors_iio/software/core/mllite/data_builder.c b/60xx/libsensors_iio/software/core/mllite/data_builder.c
index 0aa418d..48993bc 100644
--- a/60xx/libsensors_iio/software/core/mllite/data_builder.c
+++ b/60xx/libsensors_iio/software/core/mllite/data_builder.c
@@ -62,7 +62,6 @@ struct inv_data_builder_t {
struct process_t process[INV_MAX_DATA_CB];
struct inv_db_save_t save;
int compass_disturbance;
- int mode;
#ifdef INV_PLAYBACK_DBG
int debug_mode;
int last_mode;
@@ -240,117 +239,6 @@ void inv_set_accel_sample_rate(long sample_rate_us)
}
}
-/** Pick the smallest non-negative number. Priority to td1 on equal
-* If both are negative, return the largest.
-*/
-static int inv_pick_best_time_difference(long td1, long td2)
-{
- if (td1 >= 0) {
- if (td2 >= 0) {
- if (td1 <= td2) {
- // td1
- return 0;
- } else {
- // td2
- return 1;
- }
- } else {
- // td1
- return 0;
- }
- } else if (td2 >= 0) {
- // td2
- return 1;
- } else {
- // Both are negative
- if (td1 >= td2) {
- // td1
- return 0;
- } else {
- // td2
- return 1;
- }
- }
-}
-
-/** Returns timestame based upon a raw sensor, and returns if that sample has a new piece of data.
-*/
-static int inv_raw_sensor_timestamp(int sensor_number, inv_time_t *ts)
-{
- int status = 0;
- switch (sensor_number) {
- case 0: // Quat
- *ts = sensors.quat.timestamp;
- if (inv_data_builder.mode & INV_QUAT_NEW)
- if (sensors.quat.timestamp_prev != sensors.quat.timestamp)
- status = 1;
- return status;
- case 1: // Gyro
- *ts = sensors.gyro.timestamp;
- if (inv_data_builder.mode & INV_GYRO_NEW)
- if (sensors.gyro.timestamp_prev != sensors.gyro.timestamp)
- status = 1;
- return status;
- case 2: // Accel
- *ts = sensors.accel.timestamp;
- if (inv_data_builder.mode & INV_ACCEL_NEW)
- if (sensors.accel.timestamp_prev != sensors.accel.timestamp)
- status = 1;
- return status;
- case 3: // Compass
- *ts = sensors.compass.timestamp;
- if (inv_data_builder.mode & INV_MAG_NEW)
- if (sensors.compass.timestamp_prev != sensors.compass.timestamp)
- status = 1;
- return status;
- default:
- *ts = 0;
- return 0;
- }
- return 0;
-}
-
-/** Gets best timestamp and if there is a new piece of data for a 9-axis sensor combination.
-* It does this by finding a raw sensor that has the closest sample rate that is at least as
-* often desired. It also returns if that raw sensor has a new piece of data.
-* Priority is Quaternion-6axis, Quaternion 3-axis, Gyro, Accel
-* @return Returns 1, if the raw sensor being attached has new data, 0 otherwise.
-*/
-int inv_get_6_axis_gyro_accel_timestamp(long sample_rate_us, inv_time_t *ts)
-{
- long td[2];
- int idx;
-
- if ((sensors.quat.status & (INV_QUAT_6AXIS | INV_SENSOR_ON)) == (INV_QUAT_6AXIS | INV_SENSOR_ON)) {
- // Sensor number is 0 (Quat)
- return inv_raw_sensor_timestamp(0, ts);
- } else if ((sensors.accel.status & INV_SENSOR_ON) == 0) {
- return 0; // Accel must be on or 6-axis quat must be on
- }
-
- // At this point, we know accel is on. Check if 3-axis quat is on
- td[0] = sample_rate_us - sensors.quat.sample_rate_us;
- td[1] = sample_rate_us - sensors.accel.sample_rate_us;
- if ((sensors.quat.status & (INV_QUAT_3AXIS | INV_SENSOR_ON)) == (INV_QUAT_3AXIS | INV_SENSOR_ON)) {
- idx = inv_pick_best_time_difference(td[0], td[1]);
- idx *= 2;
- // 0 = quat, 3=accel
- return inv_raw_sensor_timestamp(idx, ts);
- }
-
- // No Quaternion data from outside, Gyro must be on
- if ((sensors.gyro.status & INV_SENSOR_ON) == 0) {
- return 0; // Gyro must be on
- }
-
- td[0] = sample_rate_us - sensors.gyro.sample_rate_us;
- idx = inv_pick_best_time_difference(td[0], td[1]);
- idx *= 2; // 0=gyro 2=accel
- idx++;
- // 1 = gyro, 3=accel
- return inv_raw_sensor_timestamp(idx, ts);
-}
-
/** Set Compass Sample rate in micro seconds.
* @param[in] sample_rate_us Set Gyro Sample rate in micro seconds.
*/
@@ -1007,6 +895,7 @@ inv_error_t inv_execute_on_data(void)
{
inv_error_t result, first_error;
int kk;
+ int mode;
#ifdef INV_PLAYBACK_DBG
if (inv_data_builder.debug_mode == RD_RECORD) {
@@ -1015,22 +904,22 @@ inv_error_t inv_execute_on_data(void)
}
#endif
// Determine what new data we have
- inv_data_builder.mode = 0;
+ mode = 0;
if (sensors.gyro.status & INV_NEW_DATA)
- inv_data_builder.mode |= INV_GYRO_NEW;
+ mode |= INV_GYRO_NEW;
if (sensors.accel.status & INV_NEW_DATA)
- inv_data_builder.mode |= INV_ACCEL_NEW;
+ mode |= INV_ACCEL_NEW;
if (sensors.compass.status & INV_NEW_DATA)
- inv_data_builder.mode |= INV_MAG_NEW;
+ mode |= INV_MAG_NEW;
if (sensors.temp.status & INV_NEW_DATA)
- inv_data_builder.mode |= INV_TEMP_NEW;
+ mode |= INV_TEMP_NEW;
if (sensors.quat.status & INV_QUAT_NEW)
- inv_data_builder.mode |= INV_QUAT_NEW;
+ mode |= INV_QUAT_NEW;
first_error = INV_SUCCESS;
for (kk = 0; kk < inv_data_builder.num_cb; ++kk) {
- if (inv_data_builder.mode & inv_data_builder.process[kk].data_required) {
+ if (mode & inv_data_builder.process[kk].data_required) {
result = inv_data_builder.process[kk].func(&sensors);
if (result && !first_error) {
first_error = result;