X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosConvert.java;h=4ed45c6869a045c0b7df6025fd9cd1daa36751e6;hp=a42b36c46fc5debdb669ea17f7dd5f88ef379e6f;hb=2dfc4bc92b11252f17103f28198a702a3fdc2b2d;hpb=2efd3ad80d4fefa8ccc1b80a2e657dbf9ba0c60f diff --git a/altoslib/AltosConvert.java b/altoslib/AltosConvert.java index a42b36c4..4ed45c68 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_3; 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; @@ -242,14 +293,26 @@ public class AltosConvert { return meters * (100 / (2.54 * 12)); } + public static double feet_to_meters(double feet) { + return feet * 12 * 2.54 / 100.0; + } + public static double meters_to_miles(double meters) { 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 */ } @@ -262,6 +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(); @@ -274,6 +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"); @@ -290,4 +359,16 @@ 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); + } }