diff options
| author | Bdale Garbee <bdale@gag.com> | 2017-08-12 00:59:03 -0400 | 
|---|---|---|
| committer | Bdale Garbee <bdale@gag.com> | 2017-08-12 00:59:03 -0400 | 
| commit | 59c6167b9f1e9de30455af1632e9a0b65d64ad63 (patch) | |
| tree | d27e4b3df53300081aa6ac0a30820c58a1c968ef /altoslib/AltosConvert.java | |
| parent | 41eedf88751910ea9c0a299444fbac769edb8427 (diff) | |
| parent | fccfa54bb3b746cecfcdc1fd497cf736bbfe3ef3 (diff) | |
Merge branch 'branch-1.8' into debian
Diffstat (limited to 'altoslib/AltosConvert.java')
| -rw-r--r-- | altoslib/AltosConvert.java | 112 | 
1 files changed, 99 insertions, 13 deletions
| diff --git a/altoslib/AltosConvert.java b/altoslib/AltosConvert.java index 8617a12c..ed16541a 100644 --- a/altoslib/AltosConvert.java +++ b/altoslib/AltosConvert.java @@ -19,9 +19,14 @@  /*   * Sensor data conversion functions   */ -package org.altusmetrum.altoslib_11; +package org.altusmetrum.altoslib_12; + +import java.util.*;  public class AltosConvert { + +	public static final double gravity = 9.80665; +  	/*  	 * Pressure Sensor Model, version 1.1  	 * @@ -42,20 +47,20 @@ public class AltosConvert {  	 *   in Joules/(kilogram-Kelvin).  	 */ -	public static final double GRAVITATIONAL_ACCELERATION = -9.80665; -	public static final double AIR_GAS_CONSTANT		= 287.053; -	public static final double NUMBER_OF_LAYERS		= 7; -	public static final double MAXIMUM_ALTITUDE		= 84852.0; -	public static final double MINIMUM_PRESSURE		= 0.3734; -	public static final double LAYER0_BASE_TEMPERATURE	= 288.15; -	public static final double LAYER0_BASE_PRESSURE	= 101325; +	private static final double GRAVITATIONAL_ACCELERATION = -gravity; +	private static final double AIR_GAS_CONSTANT		= 287.053; +	private static final double NUMBER_OF_LAYERS		= 7; +	private static final double MAXIMUM_ALTITUDE		= 84852.0; +	private static final double MINIMUM_PRESSURE		= 0.3734; +	private static final double LAYER0_BASE_TEMPERATURE	= 288.15; +	private static final double LAYER0_BASE_PRESSURE	= 101325;  	/* lapse rate and base altitude for each layer in the atmosphere */ -	public static final double[] lapse_rate = { +	private static final double[] lapse_rate = {  		-0.0065, 0.0, 0.001, 0.0028, 0.0, -0.0028, -0.002  	}; -	public static final int[] base_altitude = { +	private static final int[] base_altitude = {  		0, 11000, 20000, 32000, 47000, 51000, 71000  	}; @@ -179,6 +184,18 @@ public class AltosConvert {  		return altitude;  	} +	public static double degrees_to_radians(double degrees) { +		if (degrees == AltosLib.MISSING) +			return AltosLib.MISSING; +		return degrees * (Math.PI / 180.0); +	} + +	public static double radians_to_degrees(double radians) { +		if (radians == AltosLib.MISSING) +			return AltosLib.MISSING; +		return radians * (180.0 / Math.PI); +	} +  	public static double  	cc_battery_to_voltage(double battery)  	{ @@ -186,7 +203,7 @@ public class AltosConvert {  	}  	public static double -	cc_ignitor_to_voltage(double ignite) +	cc_igniter_to_voltage(double ignite)  	{  		return ignite / 32767 * 15.0;  	} @@ -253,7 +270,15 @@ public class AltosConvert {  		return 3.3 * mega_adc(raw) * (5.1 + 10.0) / 10.0;  	} -	static double easy_mini_voltage(int sensor, int serial) { +	static double easy_mini_2_adc(int raw) { +		return raw / 4095.0; +	} + +	static double easy_mini_1_adc(int raw) { +		return raw / 32767.0; +	} + +	static double easy_mini_1_voltage(int sensor, int serial) {  		double	supply = 3.3;  		double	diode_offset = 0.0; @@ -267,7 +292,13 @@ public class AltosConvert {  		if (serial < 1665)  			diode_offset = 0.150; -		return sensor / 32767.0 * supply * 127/27 + diode_offset; +		return easy_mini_1_adc(sensor) * supply * 127/27 + diode_offset; +	} + +	static double easy_mini_2_voltage(int sensor) { +		double	supply = 3.3; + +		return easy_mini_2_adc(sensor) * supply * 127/27;  	}  	public static double radio_to_frequency(int freq, int setting, int cal, int channel) { @@ -305,6 +336,10 @@ public class AltosConvert {  		return 434.550 + channel * 0.100;  	} +	public static int telem_to_rssi(int telem) { +		return telem / 2 - 74; +	} +  	public static int[] ParseHex(String line) {  		String[] tokens = line.split("\\s+");  		int[] array = new int[tokens.length]; @@ -370,12 +405,48 @@ public class AltosConvert {  		return psi * 6894.76;  	} +	public static double pa_to_psi(double pa) { +		return pa / 6894.76; +	} + +	public static double n_to_lb(double n) { +		return n * 0.22480894; +	} + +	public static double lb_to_n(double lb) { +		return lb / 0.22480894; +	} + +	public static double acceleration_from_sensor(double sensor, double plus_g, double minus_g, double ground) { + +		if (sensor == AltosLib.MISSING) +			return AltosLib.MISSING; + +		if (plus_g == AltosLib.MISSING || minus_g == AltosLib.MISSING) +			return AltosLib.MISSING; + +		if (ground == AltosLib.MISSING) +			ground = plus_g; + +		double counts_per_g = (plus_g - minus_g) / 2.0; +		double counts_per_mss = counts_per_g / gravity; + +		if (counts_per_mss == 0) +			return AltosLib.MISSING; + +		return (sensor - ground) / counts_per_mss; +	} +  	public static boolean imperial_units = false;  	public static AltosDistance distance = new AltosDistance();  	public static AltosHeight height = new AltosHeight(); +	public static AltosPressure pressure = new AltosPressure(); + +	public static AltosForce force = new AltosForce(); +  	public static AltosSpeed speed = new AltosSpeed();  	public static AltosAccel accel = new AltosAccel(); @@ -390,6 +461,14 @@ public class AltosConvert {  	public static AltosLongitude longitude = new AltosLongitude(); +	public static AltosRotationRate rotation_rate = new AltosRotationRate(); + +	public static AltosStateName state_name = new AltosStateName(); + +	public static AltosPyroName pyro_name = new AltosPyroName(); + +	public static AltosUnits magnetic_field = null; +  	public static String show_gs(String format, double a) {  		a = meters_to_g(a);  		format = format.concat(" g"); @@ -407,6 +486,13 @@ public class AltosConvert {  		return csum & 0xff;  	} +	public static int checksum(List<Byte> data, int start, int length) { +		int	csum = 0x5a; +		for (int i = 0; i < length; i++) +			csum += data.get(i+start); +		return csum & 0xff; +	} +  	public static double beep_value_to_freq(int value) {  		if (value == 0)  			return 4000; | 
