telegps: Add 'Info' tab

[fw/altos] / altoslib / AltosConvert.java

diff --git a/altoslib/AltosConvert.java b/altoslib/AltosConvert.java
index 760d9eb98c273a0501f15aad1e09b4dc6a6dca67..a65669dabde9d2f3007536318f52737de1a86f7a 100644 (file)
--- a/altoslib/AltosConvert.java
+++ b/altoslib/AltosConvert.java
@@ -18,7 +18,7 @@
 /*
  * Sensor data conversion functions
  */
-package org.altusmetrum.altoslib_2;
+package org.altusmetrum.altoslib_4;
 
 public class AltosConvert {
        /*
@@ -224,10 +224,21 @@ public class AltosConvert {
                return sensor / 32767.0 * supply * 127/27;
        }
 
-       static double easy_mini_voltage(int sensor) {
-               double  supply = 3.0;
+       static double easy_mini_voltage(int sensor, int serial) {
+               double  supply = 3.3;
+               double  diode_offset = 0.0;
 
-               return sensor / 32767.0 * supply * 127/27;
+               /* 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) {
@@ -290,10 +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 */
        }
@@ -306,6 +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();
@@ -318,6 +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");
@@ -334,4 +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];
+       }
 }