Penn Electric Racing / Mbed 2 deprecated SystemManagement

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Dependencies:   mbed CANBuffer Watchdog MODSERIAL mbed-rtos xbeeRelay IAP

Fork of SystemManagement by Martin Deng

Libs/Temperature/Temperature.cpp@30:91af74a299e1, 2014-11-13 (annotated)

Committer:
pspatel321
Date:
Thu Nov 13 10:53:10 2014 +0000
Revision:
30:91af74a299e1
Parth's edits for the week.; DC-DC completed and fixed, IMD updated, LatchMonitor and Temperature added.  Serial dashboard updated.  File structure changed Everything tested.  Compiles and runs.; Still need to write CAN in/out interface.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pspatel321 30:91af74a299e1 1 #include "Temperature.h"
pspatel321 30:91af74a299e1 2
pspatel321 30:91af74a299e1 3 float NXFT15XH103_TABLE_IN[] = { 0.050512723, 0.056425741, 0.06305631, 0.07054559, 0.079189687, 0.088921283, 0.100071994, 0, 0.127018769, 0.143322197, 0.161706765, 0.182539034, 0.205908044, 0.232186732, 0.261393013, 0.293785311, 0.329354168, 0.368048534, 0.409646378, 0.453820525, 0.5, 0.547490837, 0.595469256, 0.642984648, 0.689103062, 0.732941648, 0.77373518, 0.810924767, 0.844154225, 0.873281379, 0.898354357, 0.919578592, 0.937262775, 0.951781202 };
pspatel321 30:91af74a299e1 4 float NXFT15XH103_TABLE_OUT[] = { 125, 120, 115, 110, 105, 100, 95, 90, 85, 80, 75, 70, 65, 60, 55, 50, 45, 40, 35, 30, 25, 20, 15, 10, 5, 0, -5, -10, -15, -20, -25, -30, -35, -40 };
pspatel321 30:91af74a299e1 5
pspatel321 30:91af74a299e1 6 LOOKUP_TABLE_T NXFT15XH103_TABLE = {
pspatel321 30:91af74a299e1 7 NXFT15XH103_TABLE_IN,
pspatel321 30:91af74a299e1 8 NXFT15XH103_TABLE_OUT,
pspatel321 30:91af74a299e1 9 sizeof(NXFT15XH103_TABLE)/sizeof(float)
pspatel321 30:91af74a299e1 10 };
pspatel321 30:91af74a299e1 11
pspatel321 30:91af74a299e1 12 Temperature::Temperature(LOOKUP_TABLE_T *_table, PinName _pin) : pin(_pin) {
pspatel321 30:91af74a299e1 13 table = _table;
pspatel321 30:91af74a299e1 14 }
pspatel321 30:91af74a299e1 15 float Temperature::convert(float reading) {
pspatel321 30:91af74a299e1 16 float in = reading;
pspatel321 30:91af74a299e1 17 if (in < table->input[0]) return INFINITY; // Out of range of the table
pspatel321 30:91af74a299e1 18 if (in > table->input[table->numEntries-1]) return -INFINITY; // Out of range of the table
pspatel321 30:91af74a299e1 19 int lowerIndex = 0;
pspatel321 30:91af74a299e1 20 int upperIndex = table->numEntries-1;
pspatel321 30:91af74a299e1 21 for (int i = 0; i < table->numEntries; i++) { // Converge on the entries that surround the input
pspatel321 30:91af74a299e1 22 if (in >= table->input[lowerIndex]) { lowerIndex = i; }
pspatel321 30:91af74a299e1 23 if (in <= table->input[upperIndex]) { upperIndex = table->numEntries-1 - i; }
pspatel321 30:91af74a299e1 24 }
pspatel321 30:91af74a299e1 25 // Interpolate and return
pspatel321 30:91af74a299e1 26 return table->output[lowerIndex] + (table->output[upperIndex] - table->output[lowerIndex]) * ((in - table->input[lowerIndex]) / (table->input[upperIndex] - table->input[lowerIndex]));
pspatel321 30:91af74a299e1 27 }
pspatel321 30:91af74a299e1 28 float Temperature::readRaw() {
pspatel321 30:91af74a299e1 29 return pin.read();
pspatel321 30:91af74a299e1 30 }
pspatel321 30:91af74a299e1 31 float Temperature::read() {
pspatel321 30:91af74a299e1 32 return convert(pin.read());
pspatel321 30:91af74a299e1 33 }