Treehouse Mbed Team / Mbed 2 deprecated APS_DCM1SL2

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Dependencies:   mbed

src/adc.cpp@52:2b3b194144da, 2019-03-14 (annotated)

Committer:
mfwic
Date:
Thu Mar 14 00:21:35 2019 +0000
Revision:
52:2b3b194144da
Parent:
42:3ae73b61f657 
Added ifdef IS_MASTER & IS_SLAVE; Corrected Slave_RXstr; Added call to Slave_RXstr in loop.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mfwic 42:3ae73b61f657 1 //-------------------------------------------------------------------------------
mfwic 42:3ae73b61f657 2 //
mfwic 42:3ae73b61f657 3 // Treehouse Designs Inc.
mfwic 42:3ae73b61f657 4 // Colorado Springs, Colorado
mfwic 42:3ae73b61f657 5 //
mfwic 42:3ae73b61f657 6 // Copyright (c) 2016 by Treehouse Designs Inc.
mfwic 42:3ae73b61f657 7 // Copyright (c) 2018 by Agility Power Systems Inc.
mfwic 42:3ae73b61f657 8 //
mfwic 42:3ae73b61f657 9 // This code is the property of Treehouse Designs, Inc. (Treehouse) and
mfwic 42:3ae73b61f657 10 // Agility Power Systems Inc. (Agility) and may not be redistributed
mfwic 42:3ae73b61f657 11 // in any form without prior written permission from
mfwic 42:3ae73b61f657 12 // both copyright holders, Treehouse and Agility.
mfwic 42:3ae73b61f657 13 //
mfwic 42:3ae73b61f657 14 // The above copyright notice and this permission notice shall be included in
mfwic 42:3ae73b61f657 15 // all copies or substantial portions of the Software.
mfwic 42:3ae73b61f657 16 //
mfwic 42:3ae73b61f657 17 //
mfwic 42:3ae73b61f657 18 //-------------------------------------------------------------------------------
mfwic 42:3ae73b61f657 19 //
mfwic 42:3ae73b61f657 20 // REVISION HISTORY:
mfwic 42:3ae73b61f657 21 //
mfwic 42:3ae73b61f657 22 // $Author: $
mfwic 42:3ae73b61f657 23 // $Rev: $
mfwic 42:3ae73b61f657 24 // $Date: $
mfwic 42:3ae73b61f657 25 // $URL: $
mfwic 42:3ae73b61f657 26 //
mfwic 42:3ae73b61f657 27 //-------------------------------------------------------------------------------
mfwic 42:3ae73b61f657 28
mfwic 42:3ae73b61f657 29 #include "mbed.h"
mfwic 42:3ae73b61f657 30 #include "adc_defs.h"
mfwic 42:3ae73b61f657 31 #include "adc.h"
mfwic 42:3ae73b61f657 32 #include "all_io.h"
mfwic 42:3ae73b61f657 33
mfwic 52:2b3b194144da 34 AnalogIn A_TEMP(ADC_TEMP);
mfwic 52:2b3b194144da 35
mfwic 42:3ae73b61f657 36 void initADC(void){
mfwic 42:3ae73b61f657 37
mfwic 42:3ae73b61f657 38 //Auto-zero current values
mfwic 42:3ae73b61f657 39 struct adcValues adcVals = getADCresults();
mfwic 42:3ae73b61f657 40
mfwic 42:3ae73b61f657 41 CURRENT_12_OFFSET = adcVals.i12;
mfwic 42:3ae73b61f657 42
mfwic 52:2b3b194144da 43
mfwic 52:2b3b194144da 44 }
mfwic 52:2b3b194144da 45
mfwic 52:2b3b194144da 46 /*******************************************************************************
mfwic 52:2b3b194144da 47 getADCresults
mfwic 52:2b3b194144da 48 *******************************************************************************/
mfwic 52:2b3b194144da 49 unsigned int getTEMPERATUREresults(void){
mfwic 52:2b3b194144da 50 unsigned int aTemp = A_TEMP.read_u16();
mfwic 52:2b3b194144da 51 return aTemp;
mfwic 42:3ae73b61f657 52 }
mfwic 42:3ae73b61f657 53
mfwic 42:3ae73b61f657 54 /*******************************************************************************
mfwic 42:3ae73b61f657 55 getADCresults
mfwic 42:3ae73b61f657 56 *******************************************************************************/
mfwic 42:3ae73b61f657 57 struct adcValues getADCresults(void){
mfwic 42:3ae73b61f657 58
mfwic 42:3ae73b61f657 59 unsigned int v48x = 0;
mfwic 42:3ae73b61f657 60 unsigned int v12x = 0;
mfwic 42:3ae73b61f657 61 unsigned int i12x = 0;
mfwic 42:3ae73b61f657 62
mfwic 42:3ae73b61f657 63 struct adcValues avals;
mfwic 42:3ae73b61f657 64 unsigned int loopCounter = LOOP_COUNTER;
mfwic 42:3ae73b61f657 65
mfwic 42:3ae73b61f657 66 for(unsigned int i=0;i<loopCounter;i++){
mfwic 42:3ae73b61f657 67 v48x = v48x + VIN48.read_u16();
mfwic 42:3ae73b61f657 68 v12x = v12x + VIN12.read_u16();
mfwic 42:3ae73b61f657 69 i12x = i12x + IIN12.read_u16();
mfwic 42:3ae73b61f657 70 }
mfwic 42:3ae73b61f657 71 avals.v48 = v48x/loopCounter;
mfwic 42:3ae73b61f657 72 avals.v12 = v12x/loopCounter;
mfwic 42:3ae73b61f657 73 avals.i12 = i12x/loopCounter;
mfwic 42:3ae73b61f657 74
mfwic 42:3ae73b61f657 75 return avals;
mfwic 42:3ae73b61f657 76 }
mfwic 42:3ae73b61f657 77
mfwic 42:3ae73b61f657 78 /*******************************************************************************
mfwic 42:3ae73b61f657 79 getADCvolts
mfwic 42:3ae73b61f657 80 *******************************************************************************/
mfwic 42:3ae73b61f657 81 struct adcValues getADCvolts(void){
mfwic 42:3ae73b61f657 82
mfwic 42:3ae73b61f657 83 unsigned int v48x = 0;
mfwic 42:3ae73b61f657 84 unsigned int v12x = 0;
mfwic 42:3ae73b61f657 85
mfwic 42:3ae73b61f657 86 struct adcValues avals;
mfwic 42:3ae73b61f657 87
mfwic 42:3ae73b61f657 88 for(unsigned int i=0;i<100;i++){
mfwic 42:3ae73b61f657 89 v48x = v48x + VIN48.read_u16();
mfwic 42:3ae73b61f657 90 v12x = v12x + VIN12.read_u16();
mfwic 42:3ae73b61f657 91 }
mfwic 42:3ae73b61f657 92 avals.v48 = v48x/100;
mfwic 42:3ae73b61f657 93 avals.v12 = v12x/100;
mfwic 42:3ae73b61f657 94
mfwic 42:3ae73b61f657 95 return avals;
mfwic 42:3ae73b61f657 96 }
mfwic 42:3ae73b61f657 97
mfwic 42:3ae73b61f657 98 /*******************************************************************************
mfwic 42:3ae73b61f657 99 getADCamps
mfwic 42:3ae73b61f657 100 *******************************************************************************/
mfwic 42:3ae73b61f657 101 struct adcValues getADCamps(void){
mfwic 42:3ae73b61f657 102
mfwic 42:3ae73b61f657 103 unsigned int i12x = 0;
mfwic 42:3ae73b61f657 104
mfwic 42:3ae73b61f657 105 struct adcValues avals;
mfwic 42:3ae73b61f657 106
mfwic 42:3ae73b61f657 107 for(unsigned int i=0;i<100;i++){
mfwic 42:3ae73b61f657 108 i12x = i12x + IIN12.read_u16();
mfwic 42:3ae73b61f657 109 }
mfwic 42:3ae73b61f657 110 avals.i12 = i12x/100;
mfwic 42:3ae73b61f657 111
mfwic 42:3ae73b61f657 112 return avals;
mfwic 42:3ae73b61f657 113 }
mfwic 42:3ae73b61f657 114
mfwic 42:3ae73b61f657 115 /*******************************************************************************
mfwic 42:3ae73b61f657 116 calcDisplayValues
mfwic 42:3ae73b61f657 117 *******************************************************************************/
mfwic 42:3ae73b61f657 118 struct displayValues calcDisplayValues(struct adcValues avals){
mfwic 42:3ae73b61f657 119
mfwic 42:3ae73b61f657 120 struct displayValues dvals;
mfwic 42:3ae73b61f657 121
mfwic 42:3ae73b61f657 122 if(!raw){
mfwic 42:3ae73b61f657 123 dvals.v48f = VOLTAGE_48_FACTOR*avals.v48;
mfwic 42:3ae73b61f657 124 dvals.v12f = VOLTAGE_12_FACTOR*avals.v12;
mfwic 42:3ae73b61f657 125
mfwic 42:3ae73b61f657 126 // The adc results are linear above CURRENT_12_DIV_THRESH5. Only apply a linear correction to it above that threshold.
mfwic 42:3ae73b61f657 127 // The multiple correction factors below CURRENT_12_DIV_THRESH5 linearize the curve below CURRENT_12_DIV_THRESH5.
mfwic 42:3ae73b61f657 128 if(abs((avals.i12-CURRENT_12_OFFSET)) > CURRENT_12_DIV_THRESH5){
mfwic 42:3ae73b61f657 129 dvals.i12f = (avals.i12-CURRENT_12_OFFSET)/CURRENT_12_DIV_FACTOR5;
mfwic 42:3ae73b61f657 130 }else if(abs((avals.i12-CURRENT_12_OFFSET)) > CURRENT_12_DIV_THRESH4){
mfwic 42:3ae73b61f657 131 dvals.i12f = (avals.i12-CURRENT_12_OFFSET)/CURRENT_12_DIV_FACTOR4;
mfwic 42:3ae73b61f657 132 }else if(abs((avals.i12-CURRENT_12_OFFSET)) > CURRENT_12_DIV_THRESH3){
mfwic 42:3ae73b61f657 133 dvals.i12f = (avals.i12-CURRENT_12_OFFSET)/CURRENT_12_DIV_FACTOR3;
mfwic 42:3ae73b61f657 134 }else if(abs((avals.i12-CURRENT_12_OFFSET)) > CURRENT_12_DIV_THRESH2){
mfwic 42:3ae73b61f657 135 dvals.i12f = (avals.i12-CURRENT_12_OFFSET)/CURRENT_12_DIV_FACTOR2;
mfwic 42:3ae73b61f657 136 }else if(abs((avals.i12-CURRENT_12_OFFSET)) > CURRENT_12_DIV_THRESH1){
mfwic 42:3ae73b61f657 137 dvals.i12f = (avals.i12-CURRENT_12_OFFSET)/CURRENT_12_DIV_FACTOR1;
mfwic 42:3ae73b61f657 138 }else{
mfwic 42:3ae73b61f657 139 dvals.i12f = (avals.i12-CURRENT_12_OFFSET)/CURRENT_12_DIV_FACTOR0;
mfwic 42:3ae73b61f657 140 }
mfwic 42:3ae73b61f657 141 }else{
mfwic 42:3ae73b61f657 142 dvals.v48f = 1.0*avals.v48;
mfwic 42:3ae73b61f657 143 dvals.v12f = 1.0*avals.v12;
mfwic 42:3ae73b61f657 144 dvals.i12f = 1.0*avals.i12;
mfwic 42:3ae73b61f657 145 }
mfwic 42:3ae73b61f657 146 return dvals;
mfwic 42:3ae73b61f657 147 }