LabsDigital / Mbed 2 deprecated Lab2_ADC

lab2 vu meter and 7 segment

Dependencies:   mbed

main.cpp@0:8a1a4eabe49e, 2017-10-30 (annotated)

Committer:
Supermil
Date:
Mon Oct 30 06:54:23 2017 +0000
Revision:
0:8a1a4eabe49e
lab2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Supermil 0:8a1a4eabe49e 1 #include "mbed.h"
Supermil 0:8a1a4eabe49e 2
Supermil 0:8a1a4eabe49e 3 AnalogIn analog_value(A2);
Supermil 0:8a1a4eabe49e 4 DigitalIn button(USER_BUTTON);
Supermil 0:8a1a4eabe49e 5
Supermil 0:8a1a4eabe49e 6 DigitalOut d1(D11);
Supermil 0:8a1a4eabe49e 7 DigitalOut c1(D10);
Supermil 0:8a1a4eabe49e 8 DigitalOut b1(D9);
Supermil 0:8a1a4eabe49e 9 DigitalOut a1(D8);
Supermil 0:8a1a4eabe49e 10 DigitalOut d2(D5);
Supermil 0:8a1a4eabe49e 11 DigitalOut c2(D4);
Supermil 0:8a1a4eabe49e 12 DigitalOut b2(D3);
Supermil 0:8a1a4eabe49e 13 DigitalOut a2(D2);
Supermil 0:8a1a4eabe49e 14
Supermil 0:8a1a4eabe49e 15 BusOut myled(PA_11,PB_12,PB_2,PB_1,PB_15,PB_14,PB_13,PC_4);
Supermil 0:8a1a4eabe49e 16
Supermil 0:8a1a4eabe49e 17 float meas_r;
Supermil 0:8a1a4eabe49e 18 int meas_mv;
Supermil 0:8a1a4eabe49e 19 int meas_v;
Supermil 0:8a1a4eabe49e 20 int meas_vf;
Supermil 0:8a1a4eabe49e 21 int state;
Supermil 0:8a1a4eabe49e 22 int preState;
Supermil 0:8a1a4eabe49e 23 int buttonState;
Supermil 0:8a1a4eabe49e 24 int vuStatus,segmentStatus;
Supermil 0:8a1a4eabe49e 25
Supermil 0:8a1a4eabe49e 26
Supermil 0:8a1a4eabe49e 27 void Segment(){
Supermil 0:8a1a4eabe49e 28 int i,j;
Supermil 0:8a1a4eabe49e 29 int bin1[4]= {0};
Supermil 0:8a1a4eabe49e 30 int bin2[4]= {0};
Supermil 0:8a1a4eabe49e 31 i = 0, j = 0;
Supermil 0:8a1a4eabe49e 32 do {
Supermil 0:8a1a4eabe49e 33 bin1[i++] = meas_v % 2;
Supermil 0:8a1a4eabe49e 34 meas_v = meas_v / 2;
Supermil 0:8a1a4eabe49e 35 }while(meas_v > 0);
Supermil 0:8a1a4eabe49e 36 do {
Supermil 0:8a1a4eabe49e 37 bin2[j++] = meas_vf % 2;
Supermil 0:8a1a4eabe49e 38 meas_vf = meas_vf / 2;
Supermil 0:8a1a4eabe49e 39 }while(meas_vf > 0);
Supermil 0:8a1a4eabe49e 40 // printf("SSSS = %d = %d = %d = %d \n", second[0],second[1],second[2],second[3]);
Supermil 0:8a1a4eabe49e 41 d1 = bin1[3];
Supermil 0:8a1a4eabe49e 42 c1 = bin1[2];
Supermil 0:8a1a4eabe49e 43 b1 = bin1[1];
Supermil 0:8a1a4eabe49e 44 a1 = bin1[0];
Supermil 0:8a1a4eabe49e 45 d2 = bin2[3];
Supermil 0:8a1a4eabe49e 46 c2 = bin2[2];
Supermil 0:8a1a4eabe49e 47 b2 = bin2[1];
Supermil 0:8a1a4eabe49e 48 a2 = bin2[0];
Supermil 0:8a1a4eabe49e 49 }
Supermil 0:8a1a4eabe49e 50
Supermil 0:8a1a4eabe49e 51 void checkState(){
Supermil 0:8a1a4eabe49e 52 preState = state;
Supermil 0:8a1a4eabe49e 53 while (1){
Supermil 0:8a1a4eabe49e 54 if (meas_mv < 412.5){
Supermil 0:8a1a4eabe49e 55 state = 1;
Supermil 0:8a1a4eabe49e 56 break;
Supermil 0:8a1a4eabe49e 57 }
Supermil 0:8a1a4eabe49e 58 if (meas_mv >= 412.5 && meas_mv < 825 ){
Supermil 0:8a1a4eabe49e 59 state = 2;
Supermil 0:8a1a4eabe49e 60 break;
Supermil 0:8a1a4eabe49e 61 }
Supermil 0:8a1a4eabe49e 62 if (meas_mv >= 825 && meas_mv < 1237.5 ){
Supermil 0:8a1a4eabe49e 63 state = 3;
Supermil 0:8a1a4eabe49e 64 break;
Supermil 0:8a1a4eabe49e 65 }
Supermil 0:8a1a4eabe49e 66 if (meas_mv >= 1237.5 && meas_mv < 1650 ){
Supermil 0:8a1a4eabe49e 67 state = 4;
Supermil 0:8a1a4eabe49e 68 break;
Supermil 0:8a1a4eabe49e 69 }
Supermil 0:8a1a4eabe49e 70 if (meas_mv >= 1650 && meas_mv < 2062.5 ){
Supermil 0:8a1a4eabe49e 71 state = 5;
Supermil 0:8a1a4eabe49e 72 break;
Supermil 0:8a1a4eabe49e 73 }
Supermil 0:8a1a4eabe49e 74 if (meas_mv >= 2062.5 && meas_mv < 2475 ){
Supermil 0:8a1a4eabe49e 75 state = 6;
Supermil 0:8a1a4eabe49e 76 break;
Supermil 0:8a1a4eabe49e 77 }
Supermil 0:8a1a4eabe49e 78 if (meas_mv >= 2475 && meas_mv < 2887.5 ){
Supermil 0:8a1a4eabe49e 79 state = 7;
Supermil 0:8a1a4eabe49e 80 break;
Supermil 0:8a1a4eabe49e 81 }
Supermil 0:8a1a4eabe49e 82 if (meas_mv >= 2887.5){
Supermil 0:8a1a4eabe49e 83 state = 8;
Supermil 0:8a1a4eabe49e 84 break;
Supermil 0:8a1a4eabe49e 85 }
Supermil 0:8a1a4eabe49e 86 }
Supermil 0:8a1a4eabe49e 87 }
Supermil 0:8a1a4eabe49e 88
Supermil 0:8a1a4eabe49e 89 void segmentSeto(){
Supermil 0:8a1a4eabe49e 90 d1 = 0,c1 = 0,b1 = 0,a1 = 0,d2 = 0,c2 = 0,b2 = 0,a2 = 0;
Supermil 0:8a1a4eabe49e 91 }
Supermil 0:8a1a4eabe49e 92
Supermil 0:8a1a4eabe49e 93 void vuSet0(){
Supermil 0:8a1a4eabe49e 94 int m;
Supermil 0:8a1a4eabe49e 95 for ( m = 0;m <8 ;m++){
Supermil 0:8a1a4eabe49e 96 myled[m] = 0;
Supermil 0:8a1a4eabe49e 97 }
Supermil 0:8a1a4eabe49e 98 }
Supermil 0:8a1a4eabe49e 99
Supermil 0:8a1a4eabe49e 100 void vuMeter(){
Supermil 0:8a1a4eabe49e 101 int k;
Supermil 0:8a1a4eabe49e 102 k = 0;
Supermil 0:8a1a4eabe49e 103 if(preState > state){
Supermil 0:8a1a4eabe49e 104 vuSet0();
Supermil 0:8a1a4eabe49e 105 }
Supermil 0:8a1a4eabe49e 106 while(vuStatus){
Supermil 0:8a1a4eabe49e 107 checkState();
Supermil 0:8a1a4eabe49e 108 do{
Supermil 0:8a1a4eabe49e 109 myled[k++] = 1;
Supermil 0:8a1a4eabe49e 110 }while(k < state);
Supermil 0:8a1a4eabe49e 111 break;
Supermil 0:8a1a4eabe49e 112 }
Supermil 0:8a1a4eabe49e 113 }
Supermil 0:8a1a4eabe49e 114
Supermil 0:8a1a4eabe49e 115 void checkButton(){
Supermil 0:8a1a4eabe49e 116 int preB;
Supermil 0:8a1a4eabe49e 117 //buttonState = 0;
Supermil 0:8a1a4eabe49e 118 preB = buttonState;
Supermil 0:8a1a4eabe49e 119 if(button == 0){
Supermil 0:8a1a4eabe49e 120 if (preB == 0){
Supermil 0:8a1a4eabe49e 121 buttonState = 1;
Supermil 0:8a1a4eabe49e 122 }
Supermil 0:8a1a4eabe49e 123 if (preB == 1){
Supermil 0:8a1a4eabe49e 124 buttonState = 0;
Supermil 0:8a1a4eabe49e 125 }
Supermil 0:8a1a4eabe49e 126 wait(0.5);
Supermil 0:8a1a4eabe49e 127
Supermil 0:8a1a4eabe49e 128 }
Supermil 0:8a1a4eabe49e 129 printf("preButton = %d",preB);
Supermil 0:8a1a4eabe49e 130 printf("buttonState = %d",buttonState);
Supermil 0:8a1a4eabe49e 131
Supermil 0:8a1a4eabe49e 132
Supermil 0:8a1a4eabe49e 133 }
Supermil 0:8a1a4eabe49e 134
Supermil 0:8a1a4eabe49e 135 int main()
Supermil 0:8a1a4eabe49e 136 { state = 0;
Supermil 0:8a1a4eabe49e 137
Supermil 0:8a1a4eabe49e 138 while(1) {
Supermil 0:8a1a4eabe49e 139
Supermil 0:8a1a4eabe49e 140 meas_r = analog_value.read(); // Read the analog input value (value from 0.0 to 1.0 = full ADC conversion range)
Supermil 0:8a1a4eabe49e 141 meas_mv = meas_r * 3300; // Converts value in the 0V-3.3V range
Supermil 0:8a1a4eabe49e 142 meas_v = meas_mv / 1000;
Supermil 0:8a1a4eabe49e 143 meas_vf = (meas_mv % 1000)/100;
Supermil 0:8a1a4eabe49e 144
Supermil 0:8a1a4eabe49e 145 // Display values
Supermil 0:8a1a4eabe49e 146 // printf("measure = %f = %d mV = %d V = %d Vf\n", meas_r, meas_mv, meas_v, meas_vf);
Supermil 0:8a1a4eabe49e 147 // Segment();
Supermil 0:8a1a4eabe49e 148 // vuMeter();
Supermil 0:8a1a4eabe49e 149 // printf("State = %d \n",state);
Supermil 0:8a1a4eabe49e 150 // printf("Prestate = %d \n",preState);
Supermil 0:8a1a4eabe49e 151 checkButton();
Supermil 0:8a1a4eabe49e 152 if (buttonState == 0){
Supermil 0:8a1a4eabe49e 153 segmentSeto();
Supermil 0:8a1a4eabe49e 154 vuMeter();
Supermil 0:8a1a4eabe49e 155 vuStatus = 1;
Supermil 0:8a1a4eabe49e 156 segmentStatus = 0;
Supermil 0:8a1a4eabe49e 157 }
Supermil 0:8a1a4eabe49e 158 else if (buttonState == 1){
Supermil 0:8a1a4eabe49e 159 vuSet0();
Supermil 0:8a1a4eabe49e 160 Segment();
Supermil 0:8a1a4eabe49e 161 vuStatus = 0;
Supermil 0:8a1a4eabe49e 162 segmentStatus = 1;
Supermil 0:8a1a4eabe49e 163
Supermil 0:8a1a4eabe49e 164 }
Supermil 0:8a1a4eabe49e 165 printf("vu = %d = seg = %d \n",vuStatus,segmentStatus);
Supermil 0:8a1a4eabe49e 166
Supermil 0:8a1a4eabe49e 167
Supermil 0:8a1a4eabe49e 168 }
Supermil 0:8a1a4eabe49e 169 }