X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosConvert.java;h=a65669dabde9d2f3007536318f52737de1a86f7a;hp=8cd478e2bd5ff6820bc0e5432deb1d8ad70a4082;hb=3871b9ac036e3adfa1da089245fc7973b268c921;hpb=6827d0a7c59d606ea05387465f1ad4d914babd49

diff --git a/altoslib/AltosConvert.java b/altoslib/AltosConvert.java
index 8cd478e2..a65669da 100644
--- a/altoslib/AltosConvert.java
+++ b/altoslib/AltosConvert.java
@@ -18,7 +18,7 @@
 /*
  * Sensor data conversion functions
  */
-package org.altusmetrum.altoslib_1;
+package org.altusmetrum.altoslib_4;
 
 public class AltosConvert {
 	/*
@@ -190,6 +190,57 @@ public class AltosConvert {
 		return ignite / 32767 * 15.0;
 	}
 
+	public static double
+	barometer_to_pressure(double count)
+	{
+		return ((count / 16.0) / 2047.0 + 0.095) / 0.009 * 1000.0;
+	}
+
+	static double
+	thermometer_to_temperature(double thermo)
+	{
+		return (thermo - 19791.268) / 32728.0 * 1.25 / 0.00247;
+	}
+
+	static double mega_adc(int raw) {
+		return raw / 4095.0;
+	}
+
+	static public double mega_battery_voltage(int v_batt) {
+		if (v_batt != AltosLib.MISSING)
+			return 3.3 * mega_adc(v_batt) * (15.0 + 27.0) / 27.0;
+		return AltosLib.MISSING;
+	}
+
+	static double mega_pyro_voltage(int raw) {
+		if (raw != AltosLib.MISSING)
+			return 3.3 * mega_adc(raw) * (100.0 + 27.0) / 27.0;
+		return AltosLib.MISSING;
+	}
+
+	static double tele_mini_voltage(int sensor) {
+		double	supply = 3.3;
+
+		return sensor / 32767.0 * supply * 127/27;
+	}
+
+	static double easy_mini_voltage(int sensor, int serial) {
+		double	supply = 3.3;
+		double	diode_offset = 0.0;
+
+		/* early prototypes had a 3.0V regulator */
+		if (serial < 1000)
+			supply = 3.0;
+
+		/* Purple v1.0 boards had the sensor after the
+		 * blocking diode, which drops about 150mV
+		 */
+		if (serial < 1665)
+			diode_offset = 0.150;
+
+		return sensor / 32767.0 * supply * 127/27 + diode_offset;
+	}
+
 	public static double radio_to_frequency(int freq, int setting, int cal, int channel) {
 		double	f;
 
@@ -250,10 +301,18 @@ public class AltosConvert {
 		return meters_to_feet(meters) / 5280;
 	}
 
+	public static double miles_to_meters(double miles) {
+		return feet_to_meters(miles * 5280);
+	}
+
 	public static double meters_to_mph(double mps) {
 		return meters_to_miles(mps) * 3600;
  	}
 
+	public static double mph_to_meters(double mps) {
+		return miles_to_meters(mps) / 3600;
+ 	}
+
 	public static double meters_to_mach(double meters) {
 		return meters / 343;		/* something close to mach at usual rocket sites */
 	}
@@ -266,6 +325,10 @@ public class AltosConvert {
 		return c * 9/5 + 32;
 	}
 
+	public static double f_to_c(double c) {
+		return (c - 32) * 5/9;
+	}
+
 	public static boolean imperial_units = false;
 
 	public static AltosDistance distance = new AltosDistance();
@@ -278,6 +341,8 @@ public class AltosConvert {
 
 	public static AltosTemperature temperature = new AltosTemperature();
 
+	public static AltosOrient orient = new AltosOrient();
+
 	public static String show_gs(String format, double a) {
 		a = meters_to_g(a);
 		format = format.concat(" g");
@@ -294,4 +359,42 @@ public class AltosConvert {
 			csum += data[i + start];
 		return csum & 0xff;
 	}
+
+	public static double beep_value_to_freq(int value) {
+		if (value == 0)
+			return 4000;
+		return 1.0/2.0 * (24.0e6/32.0) / (double) value;
+	}
+
+	public static int beep_freq_to_value(double freq) {
+		if (freq == 0)
+			return 94;
+		return (int) Math.floor (1.0/2.0 * (24.0e6/32.0) / freq + 0.5);
+	}
+
+	public static final int BEARING_LONG = 0;
+	public static final int BEARING_SHORT = 1;
+	public static final int BEARING_VOICE = 2;
+
+	public static String bearing_to_words(int length, double bearing) {
+		String [][] bearing_string = {
+			{
+				"North", "North North East", "North East", "East North East",
+				"East", "East South East", "South East", "South South East",
+				"South", "South South West", "South West", "West South West",
+				"West", "West North West", "North West", "North North West"
+			}, {
+				"N", "NNE", "NE", "ENE",
+				"E", "ESE", "SE", "SSE",
+				"S", "SSW", "SW", "WSW",
+				"W", "WNW", "NW", "NNW"
+			}, {
+				"north", "nor nor east", "north east", "east nor east",
+				"east", "east sow east", "south east", "sow sow east",
+				"south", "sow sow west", "south west", "west sow west",
+				"west", "west nor west", "north west", "nor nor west "
+			}
+		};
+		return bearing_string[length][(int)((bearing / 90 * 8 + 1) / 2)%16];
+	}
 }