Eric Glunn / Mbed 2 deprecated 4180Project_Analog

Logic code

Dependencies:   mbed

main.cpp@0:f4b1c6a95f25, 2020-04-20 (annotated)

Committer:
EricGlunn
Date:
Mon Apr 20 19:43:36 2020 +0000
Revision:
0:f4b1c6a95f25
Child:
1:14e49afb1d7c
Analog and Digital

Who changed what in which revision?

UserRevisionLine numberNew contents of line
EricGlunn 0:f4b1c6a95f25 1 #include "mbed.h"
EricGlunn 0:f4b1c6a95f25 2 #define reset 0b00000000 //Define masks
EricGlunn 0:f4b1c6a95f25 3 #define digital 0b00100000
EricGlunn 0:f4b1c6a95f25 4 #define analog 0b01000000
EricGlunn 0:f4b1c6a95f25 5 #define I2C 0b01100000
EricGlunn 0:f4b1c6a95f25 6 #define stateMask 0b11100000
EricGlunn 0:f4b1c6a95f25 7 #define pinMask 0b00011111
EricGlunn 0:f4b1c6a95f25 8 #define pin1 0b00010000
EricGlunn 0:f4b1c6a95f25 9 #define pin2 0b00001000
EricGlunn 0:f4b1c6a95f25 10 #define pin3 0b00000100
EricGlunn 0:f4b1c6a95f25 11 #define pin4 0b00000010
EricGlunn 0:f4b1c6a95f25 12 #define pin5 0b00000001
EricGlunn 0:f4b1c6a95f25 13
EricGlunn 0:f4b1c6a95f25 14
EricGlunn 0:f4b1c6a95f25 15 DigitalOut myled(LED1);
EricGlunn 0:f4b1c6a95f25 16 DigitalOut DigitalStatus(LED2); //Led for when Digital read is running
EricGlunn 0:f4b1c6a95f25 17 DigitalOut AnalogStatus(LED3); //LED for when Analog read is running
EricGlunn 0:f4b1c6a95f25 18
EricGlunn 0:f4b1c6a95f25 19 DigitalIn d1(p21); //Always set these pins for digital in
EricGlunn 0:f4b1c6a95f25 20 DigitalIn d2(p22);
EricGlunn 0:f4b1c6a95f25 21 DigitalIn d3(p23);
EricGlunn 0:f4b1c6a95f25 22 DigitalIn d4(p24);
EricGlunn 0:f4b1c6a95f25 23 DigitalIn d5(p25);
EricGlunn 0:f4b1c6a95f25 24
EricGlunn 0:f4b1c6a95f25 25 AnalogIn a1(p16); //Always set these pins for analog in
EricGlunn 0:f4b1c6a95f25 26 AnalogIn a2(p17);
EricGlunn 0:f4b1c6a95f25 27 AnalogIn a3(p18);
EricGlunn 0:f4b1c6a95f25 28 AnalogIn a4(p19);
EricGlunn 0:f4b1c6a95f25 29 AnalogIn a5(p20);
EricGlunn 0:f4b1c6a95f25 30
EricGlunn 0:f4b1c6a95f25 31
EricGlunn 0:f4b1c6a95f25 32 Serial PC(USBTX,USBRX);
EricGlunn 0:f4b1c6a95f25 33 Ticker tickerboi; //Initialize the ticker for Sampling
EricGlunn 0:f4b1c6a95f25 34
EricGlunn 0:f4b1c6a95f25 35 volatile unsigned char DigitalSample;
EricGlunn 0:f4b1c6a95f25 36 volatile unsigned char AnalogSample[5];
EricGlunn 0:f4b1c6a95f25 37
EricGlunn 0:f4b1c6a95f25 38 volatile bool DigitalRunning;
EricGlunn 0:f4b1c6a95f25 39 volatile bool AnalogRunning;
EricGlunn 0:f4b1c6a95f25 40
EricGlunn 0:f4b1c6a95f25 41 volatile unsigned char command;
EricGlunn 0:f4b1c6a95f25 42 volatile unsigned char state;
EricGlunn 0:f4b1c6a95f25 43
EricGlunn 0:f4b1c6a95f25 44 volatile bool newDigital=false;
EricGlunn 0:f4b1c6a95f25 45 volatile bool newAnalog=false;
EricGlunn 0:f4b1c6a95f25 46
EricGlunn 0:f4b1c6a95f25 47
EricGlunn 0:f4b1c6a95f25 48
EricGlunn 0:f4b1c6a95f25 49 void digital_sample_func(void){ //sampling function, samples each pin specified and Ors it
EricGlunn 0:f4b1c6a95f25 50 DigitalSample = digital;
EricGlunn 0:f4b1c6a95f25 51
EricGlunn 0:f4b1c6a95f25 52 if( (command & pin1) == pin1){
EricGlunn 0:f4b1c6a95f25 53 DigitalSample=DigitalSample + d1*pin1;
EricGlunn 0:f4b1c6a95f25 54 }
EricGlunn 0:f4b1c6a95f25 55 if( (command & pin2) == pin2){
EricGlunn 0:f4b1c6a95f25 56 DigitalSample=DigitalSample + d2*pin2;
EricGlunn 0:f4b1c6a95f25 57 }
EricGlunn 0:f4b1c6a95f25 58 if( (command & pin3) == pin3){
EricGlunn 0:f4b1c6a95f25 59 DigitalSample=DigitalSample + d3*pin3;
EricGlunn 0:f4b1c6a95f25 60 }
EricGlunn 0:f4b1c6a95f25 61 if( (command & pin4) == pin4){
EricGlunn 0:f4b1c6a95f25 62 DigitalSample=DigitalSample + d4*pin4;
EricGlunn 0:f4b1c6a95f25 63 }
EricGlunn 0:f4b1c6a95f25 64 if( (command & pin5) == pin5){
EricGlunn 0:f4b1c6a95f25 65 DigitalSample=DigitalSample + d5*pin5;
EricGlunn 0:f4b1c6a95f25 66 }
EricGlunn 0:f4b1c6a95f25 67 newDigital=true;
EricGlunn 0:f4b1c6a95f25 68 }
EricGlunn 0:f4b1c6a95f25 69
EricGlunn 0:f4b1c6a95f25 70
EricGlunn 0:f4b1c6a95f25 71 void analog_sample_func(void){
EricGlunn 0:f4b1c6a95f25 72 for(int i=0; i<5; i++){
EricGlunn 0:f4b1c6a95f25 73 AnalogSample[i]=0;
EricGlunn 0:f4b1c6a95f25 74 }
EricGlunn 0:f4b1c6a95f25 75 if( (command & pin1) == pin1){
EricGlunn 0:f4b1c6a95f25 76 AnalogSample[0]=a1*255;
EricGlunn 0:f4b1c6a95f25 77 }
EricGlunn 0:f4b1c6a95f25 78 if( (command & pin2) == pin2){
EricGlunn 0:f4b1c6a95f25 79 AnalogSample[1]=a2*255;
EricGlunn 0:f4b1c6a95f25 80 }
EricGlunn 0:f4b1c6a95f25 81 if( (command & pin3) == pin3){
EricGlunn 0:f4b1c6a95f25 82 AnalogSample[2]=a3*255;
EricGlunn 0:f4b1c6a95f25 83 }
EricGlunn 0:f4b1c6a95f25 84 if( (command & pin4) == pin4){
EricGlunn 0:f4b1c6a95f25 85 AnalogSample[3]=a4*255;
EricGlunn 0:f4b1c6a95f25 86 }
EricGlunn 0:f4b1c6a95f25 87 if( (command & pin5) == pin5){
EricGlunn 0:f4b1c6a95f25 88 AnalogSample[4]=a5*255;
EricGlunn 0:f4b1c6a95f25 89 }
EricGlunn 0:f4b1c6a95f25 90 newAnalog=true;
EricGlunn 0:f4b1c6a95f25 91
EricGlunn 0:f4b1c6a95f25 92 }
EricGlunn 0:f4b1c6a95f25 93
EricGlunn 0:f4b1c6a95f25 94
EricGlunn 0:f4b1c6a95f25 95 void SerialInterrupt(void){
EricGlunn 0:f4b1c6a95f25 96 command=PC.getc();
EricGlunn 0:f4b1c6a95f25 97 state= command & stateMask;
EricGlunn 0:f4b1c6a95f25 98 switch(state){
EricGlunn 0:f4b1c6a95f25 99 case reset:
EricGlunn 0:f4b1c6a95f25 100 tickerboi.detach(); //detach Ticker
EricGlunn 0:f4b1c6a95f25 101 DigitalRunning=false; //turn off status LED
EricGlunn 0:f4b1c6a95f25 102 AnalogRunning=false;
EricGlunn 0:f4b1c6a95f25 103 break;
EricGlunn 0:f4b1c6a95f25 104
EricGlunn 0:f4b1c6a95f25 105 case digital:
EricGlunn 0:f4b1c6a95f25 106 tickerboi.attach(&digital_sample_func, .1); //Ticker will call digital read every 100 ms
EricGlunn 0:f4b1c6a95f25 107 DigitalRunning=true; // turn on status LED
EricGlunn 0:f4b1c6a95f25 108 break;
EricGlunn 0:f4b1c6a95f25 109
EricGlunn 0:f4b1c6a95f25 110 case analog:
EricGlunn 0:f4b1c6a95f25 111 tickerboi.attach(&analog_sample_func, .01); //Ticker will call analog read every 10ms
EricGlunn 0:f4b1c6a95f25 112 AnalogRunning=true;
EricGlunn 0:f4b1c6a95f25 113 }
EricGlunn 0:f4b1c6a95f25 114 }
EricGlunn 0:f4b1c6a95f25 115
EricGlunn 0:f4b1c6a95f25 116 int main() {
EricGlunn 0:f4b1c6a95f25 117 PC.attach(&SerialInterrupt, Serial::RxIrq);
EricGlunn 0:f4b1c6a95f25 118
EricGlunn 0:f4b1c6a95f25 119
EricGlunn 0:f4b1c6a95f25 120 while(1) {
EricGlunn 0:f4b1c6a95f25 121
EricGlunn 0:f4b1c6a95f25 122 DigitalStatus=DigitalRunning; //Indicate DigitalRead is running
EricGlunn 0:f4b1c6a95f25 123 AnalogStatus=AnalogRunning; //Indicate analogRead is running
EricGlunn 0:f4b1c6a95f25 124
EricGlunn 0:f4b1c6a95f25 125 if(newDigital){ //if digital sampling was run
EricGlunn 0:f4b1c6a95f25 126 PC.putc(DigitalSample);
EricGlunn 0:f4b1c6a95f25 127 newDigital=false;
EricGlunn 0:f4b1c6a95f25 128 }
EricGlunn 0:f4b1c6a95f25 129
EricGlunn 0:f4b1c6a95f25 130 if(newAnalog){ //if analog sampling was run
EricGlunn 0:f4b1c6a95f25 131 PC.putc(analog); //First bit is 0b01000000
EricGlunn 0:f4b1c6a95f25 132 for(int i=0; i<5; i++){ //Send all of the analog bits
EricGlunn 0:f4b1c6a95f25 133 PC.putc(AnalogSample[i]);
EricGlunn 0:f4b1c6a95f25 134 }
EricGlunn 0:f4b1c6a95f25 135 PC.putc(command); //Last bit is command from PC
EricGlunn 0:f4b1c6a95f25 136 newAnalog=false;
EricGlunn 0:f4b1c6a95f25 137 }
EricGlunn 0:f4b1c6a95f25 138
EricGlunn 0:f4b1c6a95f25 139 myled = 1; //indicate main loop is running
EricGlunn 0:f4b1c6a95f25 140 wait(0.2);
EricGlunn 0:f4b1c6a95f25 141 myled = 0;
EricGlunn 0:f4b1c6a95f25 142 wait(0.2);
EricGlunn 0:f4b1c6a95f25 143 }
EricGlunn 0:f4b1c6a95f25 144 }
EricGlunn 0:f4b1c6a95f25 145
EricGlunn 0:f4b1c6a95f25 146
EricGlunn 0:f4b1c6a95f25 147