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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-08-04 19:10:56 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-08-04 19:10:56 +0200 |
commit | 36cca7a31b428408eb686df592f092ba5fc24006 (patch) | |
tree | f0844a9924a5c6dd28463f3f0f3668714dc1e7ad /src/modules | |
parent | f45e74265e3952f350970d665adccdf539e136f2 (diff) | |
download | px4-firmware-36cca7a31b428408eb686df592f092ba5fc24006.tar.gz px4-firmware-36cca7a31b428408eb686df592f092ba5fc24006.tar.bz2 px4-firmware-36cca7a31b428408eb686df592f092ba5fc24006.zip |
Added rate limit in sensors app. Just pending accel filters now
Diffstat (limited to 'src/modules')
-rw-r--r-- | src/modules/sensors/sensors.cpp | 66 |
1 files changed, 63 insertions, 3 deletions
diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp index 7ff9e19b4..0f1782fca 100644 --- a/src/modules/sensors/sensors.cpp +++ b/src/modules/sensors/sensors.cpp @@ -92,8 +92,35 @@ #define BARO_HEALTH_COUNTER_LIMIT_OK 5 #define ADC_HEALTH_COUNTER_LIMIT_OK 5 -#define ADC_BATTERY_VOLTAGE_CHANNEL 10 -#define ADC_AIRSPEED_VOLTAGE_CHANNEL 11 +/** + * Analog layout: + * FMU: + * IN2 - battery voltage + * IN3 - battery current + * IN4 - 5V sense + * IN10 - spare (we could actually trim these from the set) + * IN11 - spare (we could actually trim these from the set) + * IN12 - spare (we could actually trim these from the set) + * IN13 - aux1 + * IN14 - aux2 + * IN15 - pressure sensor + * + * IO: + * IN4 - servo supply rail + * IN5 - analog RSSI + */ + +#ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 + #define ADC_BATTERY_VOLTAGE_CHANNEL 10 + #define ADC_AIRSPEED_VOLTAGE_CHANNEL 11 +#endif + +#ifdef CONFIG_ARCH_BOARD_PX4FMU_V2 + #define ADC_BATTERY_VOLTAGE_CHANNEL 2 + #define ADC_BATTERY_CURRENT_CHANNEL 3 + #define ADC_5V_RAIL_SENSE 4 + #define ADC_AIRSPEED_VOLTAGE_CHANNEL 15 +#endif #define BAT_VOL_INITIAL 0.f #define BAT_VOL_LOWPASS_1 0.99f @@ -731,12 +758,27 @@ Sensors::accel_init() errx(1, "FATAL: no accelerometer found"); } else { + + // XXX do the check more elegantly + + #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 + /* set the accel internal sampling rate up to at leat 500Hz */ ioctl(fd, ACCELIOCSSAMPLERATE, 500); /* set the driver to poll at 500Hz */ ioctl(fd, SENSORIOCSPOLLRATE, 500); + #else + + /* set the accel internal sampling rate up to at leat 800Hz */ + ioctl(fd, ACCELIOCSSAMPLERATE, 800); + + /* set the driver to poll at 800Hz */ + ioctl(fd, SENSORIOCSPOLLRATE, 800); + + #endif + warnx("using system accel"); close(fd); } @@ -754,12 +796,27 @@ Sensors::gyro_init() errx(1, "FATAL: no gyro found"); } else { + + // XXX do the check more elegantly + + #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 + /* set the gyro internal sampling rate up to at leat 500Hz */ ioctl(fd, GYROIOCSSAMPLERATE, 500); /* set the driver to poll at 500Hz */ ioctl(fd, SENSORIOCSPOLLRATE, 500); + #else + + /* set the gyro internal sampling rate up to at leat 800Hz */ + ioctl(fd, GYROIOCSSAMPLERATE, 800); + + /* set the driver to poll at 800Hz */ + ioctl(fd, SENSORIOCSPOLLRATE, 800); + + #endif + warnx("using system gyro"); close(fd); } @@ -1360,6 +1417,9 @@ Sensors::task_main() /* rate limit vehicle status updates to 5Hz */ orb_set_interval(_vstatus_sub, 200); + /* rate limit gyro to 250 Hz (the gyro signal is lowpassed accordingly earlier) */ + orb_set_interval(_gyro_sub, 4); + /* * do advertisements */ @@ -1395,7 +1455,7 @@ Sensors::task_main() while (!_task_should_exit) { - /* wait for up to 500ms for data */ + /* wait for up to 100ms for data */ int pret = poll(&fds[0], (sizeof(fds) / sizeof(fds[0])), 100); /* timed out - periodic check for _task_should_exit, etc. */ |