X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosConvert.java;h=a65669dabde9d2f3007536318f52737de1a86f7a;hp=8d0b74ddf475051c3d587edab328ddf28a6d3a5c;hb=3871b9ac036e3adfa1da089245fc7973b268c921;hpb=82b42935d047d2f7c2f7a63a3efb72a3f1d5594e diff --git a/altoslib/AltosConvert.java b/altoslib/AltosConvert.java index 8d0b74dd..a65669da 100644 --- 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) { @@ -330,6 +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"); @@ -346,4 +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]; + } }