Eric Glunn / Mbed 2 deprecated 4180Project_All_Features

Contains all code needed for analog digital and oscope

Dependencies:   mbed

main.cpp@3:60f30ca6a65d, 2020-04-21 (annotated)

Committer:
EricGlunn
Date:
Tue Apr 21 22:00:33 2020 +0000
Revision:
3:60f30ca6a65d
Parent:
2:9a88de905577
Child:
4:374219f35b8e
No Trigger Option yet, barebones oscilloscope

Who changed what in which revision?

UserRevisionLine numberNew contents of line
EricGlunn 0:f4b1c6a95f25 1 #include "mbed.h"
EricGlunn 2:9a88de905577 2
EricGlunn 2:9a88de905577 3 #define reset 0b00000000 //Define function masks
EricGlunn 0:f4b1c6a95f25 4 #define digital 0b00100000
EricGlunn 0:f4b1c6a95f25 5 #define analog 0b01000000
EricGlunn 0:f4b1c6a95f25 6 #define I2C 0b01100000
EricGlunn 2:9a88de905577 7 #define oScope 0b10000000
EricGlunn 2:9a88de905577 8
EricGlunn 2:9a88de905577 9 #define stateMask 0b11100000 //general masks
EricGlunn 0:f4b1c6a95f25 10 #define pinMask 0b00011111
EricGlunn 2:9a88de905577 11 #define FULL 0b11111111
EricGlunn 2:9a88de905577 12
EricGlunn 2:9a88de905577 13 #define pin1 0b00010000 //digital and analog masks
EricGlunn 0:f4b1c6a95f25 14 #define pin2 0b00001000
EricGlunn 0:f4b1c6a95f25 15 #define pin3 0b00000100
EricGlunn 0:f4b1c6a95f25 16 #define pin4 0b00000010
EricGlunn 0:f4b1c6a95f25 17 #define pin5 0b00000001
EricGlunn 0:f4b1c6a95f25 18
EricGlunn 2:9a88de905577 19 #define ms1 0b00000000 //Oscope masks
EricGlunn 2:9a88de905577 20 #define ms5 0b00000001
EricGlunn 2:9a88de905577 21 #define ms10 0b00000010
EricGlunn 2:9a88de905577 22 #define ms50 0b00000011
EricGlunn 2:9a88de905577 23 #define ms100 0b00000100
EricGlunn 2:9a88de905577 24 #define ms250 0b00000101
EricGlunn 2:9a88de905577 25 #define ms500 0b00000110
EricGlunn 2:9a88de905577 26 #define ms1000 0b00000111
EricGlunn 2:9a88de905577 27 #define rise 0b00010000
EricGlunn 2:9a88de905577 28 #define fall 0b00000000
EricGlunn 2:9a88de905577 29 #define timeMask 0b00001111
EricGlunn 2:9a88de905577 30 #define trigger 0b00010000
EricGlunn 0:f4b1c6a95f25 31
EricGlunn 0:f4b1c6a95f25 32 DigitalOut myled(LED1);
EricGlunn 0:f4b1c6a95f25 33 DigitalOut DigitalStatus(LED2); //Led for when Digital read is running
EricGlunn 0:f4b1c6a95f25 34 DigitalOut AnalogStatus(LED3); //LED for when Analog read is running
EricGlunn 2:9a88de905577 35 DigitalOut oScopeStatus(LED4); //LED for Oscilloscope
EricGlunn 0:f4b1c6a95f25 36
EricGlunn 0:f4b1c6a95f25 37 DigitalIn d1(p21); //Always set these pins for digital in
EricGlunn 0:f4b1c6a95f25 38 DigitalIn d2(p22);
EricGlunn 0:f4b1c6a95f25 39 DigitalIn d3(p23);
EricGlunn 0:f4b1c6a95f25 40 DigitalIn d4(p24);
EricGlunn 0:f4b1c6a95f25 41 DigitalIn d5(p25);
EricGlunn 0:f4b1c6a95f25 42
EricGlunn 2:9a88de905577 43
EricGlunn 2:9a88de905577 44 AnalogIn a1(p16); //Always set these pins for analog in
EricGlunn 0:f4b1c6a95f25 45 AnalogIn a2(p17);
EricGlunn 0:f4b1c6a95f25 46 AnalogIn a3(p18);
EricGlunn 0:f4b1c6a95f25 47 AnalogIn a4(p19);
EricGlunn 0:f4b1c6a95f25 48 AnalogIn a5(p20);
EricGlunn 0:f4b1c6a95f25 49
EricGlunn 0:f4b1c6a95f25 50
EricGlunn 2:9a88de905577 51 Serial PC(USBTX,USBRX);
EricGlunn 0:f4b1c6a95f25 52 Ticker tickerboi; //Initialize the ticker for Sampling
EricGlunn 0:f4b1c6a95f25 53
EricGlunn 2:9a88de905577 54 Ticker oScopeTicker;
EricGlunn 2:9a88de905577 55 Ticker oScopeCut;
EricGlunn 2:9a88de905577 56
EricGlunn 0:f4b1c6a95f25 57 volatile unsigned char DigitalSample;
EricGlunn 0:f4b1c6a95f25 58 volatile unsigned char AnalogSample[5];
EricGlunn 0:f4b1c6a95f25 59
EricGlunn 0:f4b1c6a95f25 60 volatile unsigned char command;
EricGlunn 0:f4b1c6a95f25 61 volatile unsigned char state;
EricGlunn 0:f4b1c6a95f25 62
EricGlunn 0:f4b1c6a95f25 63 volatile bool newDigital=false;
EricGlunn 0:f4b1c6a95f25 64 volatile bool newAnalog=false;
EricGlunn 0:f4b1c6a95f25 65
EricGlunn 2:9a88de905577 66 volatile unsigned char oScopeTime;
EricGlunn 2:9a88de905577 67 volatile bool oScope_poll;
EricGlunn 2:9a88de905577 68 volatile bool newoScope=false;
EricGlunn 2:9a88de905577 69 volatile unsigned char oScopeArray[20000];
EricGlunn 2:9a88de905577 70 volatile int oScopeCount=0;
EricGlunn 2:9a88de905577 71
EricGlunn 2:9a88de905577 72
EricGlunn 2:9a88de905577 73 void digital_sample_func(void) //sampling function, samples each pin specified and Ors it
EricGlunn 2:9a88de905577 74 {
EricGlunn 0:f4b1c6a95f25 75 DigitalSample = digital;
EricGlunn 2:9a88de905577 76
EricGlunn 2:9a88de905577 77 if( (command & pin1) == pin1) {
EricGlunn 0:f4b1c6a95f25 78 DigitalSample=DigitalSample + d1*pin1;
EricGlunn 0:f4b1c6a95f25 79 }
EricGlunn 2:9a88de905577 80 if( (command & pin2) == pin2) {
EricGlunn 0:f4b1c6a95f25 81 DigitalSample=DigitalSample + d2*pin2;
EricGlunn 0:f4b1c6a95f25 82 }
EricGlunn 2:9a88de905577 83 if( (command & pin3) == pin3) {
EricGlunn 0:f4b1c6a95f25 84 DigitalSample=DigitalSample + d3*pin3;
EricGlunn 0:f4b1c6a95f25 85 }
EricGlunn 2:9a88de905577 86 if( (command & pin4) == pin4) {
EricGlunn 0:f4b1c6a95f25 87 DigitalSample=DigitalSample + d4*pin4;
EricGlunn 0:f4b1c6a95f25 88 }
EricGlunn 2:9a88de905577 89 if( (command & pin5) == pin5) {
EricGlunn 0:f4b1c6a95f25 90 DigitalSample=DigitalSample + d5*pin5;
EricGlunn 0:f4b1c6a95f25 91 }
EricGlunn 0:f4b1c6a95f25 92 newDigital=true;
EricGlunn 0:f4b1c6a95f25 93 }
EricGlunn 0:f4b1c6a95f25 94
EricGlunn 0:f4b1c6a95f25 95
EricGlunn 2:9a88de905577 96 void analog_sample_func(void)
EricGlunn 2:9a88de905577 97 {
EricGlunn 2:9a88de905577 98 for(int i=0; i<5; i++) {
EricGlunn 2:9a88de905577 99 AnalogSample[i]=0;
EricGlunn 0:f4b1c6a95f25 100 }
EricGlunn 2:9a88de905577 101 if( (command & pin1) == pin1) {
EricGlunn 1:14e49afb1d7c 102 AnalogSample[0]=a1*254;
EricGlunn 0:f4b1c6a95f25 103 }
EricGlunn 2:9a88de905577 104 if( (command & pin2) == pin2) {
EricGlunn 1:14e49afb1d7c 105 AnalogSample[1]=a2 * 254;
EricGlunn 0:f4b1c6a95f25 106 }
EricGlunn 2:9a88de905577 107 if( (command & pin3) == pin3) {
EricGlunn 1:14e49afb1d7c 108 AnalogSample[2]=a3*254;
EricGlunn 0:f4b1c6a95f25 109 }
EricGlunn 2:9a88de905577 110 if( (command & pin4) == pin4) {
EricGlunn 1:14e49afb1d7c 111 AnalogSample[3]=a4*254;
EricGlunn 0:f4b1c6a95f25 112 }
EricGlunn 2:9a88de905577 113 if( (command & pin5) == pin5) {
EricGlunn 1:14e49afb1d7c 114 AnalogSample[4]=a5*254;
EricGlunn 0:f4b1c6a95f25 115 }
EricGlunn 2:9a88de905577 116 newAnalog=true;
EricGlunn 2:9a88de905577 117 }
EricGlunn 2:9a88de905577 118
EricGlunn 2:9a88de905577 119
EricGlunn 2:9a88de905577 120 void oScope_kill_func(void)
EricGlunn 2:9a88de905577 121 {
EricGlunn 2:9a88de905577 122 oScopeTicker.detach();
EricGlunn 2:9a88de905577 123 oScopeCut.detach();
EricGlunn 2:9a88de905577 124 newoScope=true;
EricGlunn 2:9a88de905577 125 oScopeStatus=0;
EricGlunn 2:9a88de905577 126 }
EricGlunn 2:9a88de905577 127
EricGlunn 2:9a88de905577 128 void oScope_sample_func(void){
EricGlunn 3:60f30ca6a65d 129 oScopeArray[oScopeCount++]=a1*254;
EricGlunn 2:9a88de905577 130 }
EricGlunn 2:9a88de905577 131
EricGlunn 2:9a88de905577 132 void oScope_poll_trig(){
EricGlunn 3:60f30ca6a65d 133 /*
EricGlunn 2:9a88de905577 134 float first, second;
EricGlunn 2:9a88de905577 135 bool run_poll =true;
EricGlunn 2:9a88de905577 136 while(run_poll){
EricGlunn 2:9a88de905577 137 first = a1;
EricGlunn 2:9a88de905577 138 wait (.001);
EricGlunn 2:9a88de905577 139 second=a1;
EricGlunn 2:9a88de905577 140 if( (second - first)>.1){run_poll = false;}
EricGlunn 3:60f30ca6a65d 141 } */
EricGlunn 2:9a88de905577 142
EricGlunn 2:9a88de905577 143 switch(oScopeTime) {
EricGlunn 2:9a88de905577 144
EricGlunn 2:9a88de905577 145 case ms1:
EricGlunn 2:9a88de905577 146 oScopeCut.attach(oScope_kill_func, .001);
EricGlunn 2:9a88de905577 147 break;
EricGlunn 2:9a88de905577 148
EricGlunn 2:9a88de905577 149 case ms5:
EricGlunn 2:9a88de905577 150 oScopeCut.attach(oScope_kill_func, .005);
EricGlunn 2:9a88de905577 151 break;
EricGlunn 2:9a88de905577 152
EricGlunn 2:9a88de905577 153 case ms10:
EricGlunn 2:9a88de905577 154 oScopeCut.attach(oScope_kill_func, .01);
EricGlunn 2:9a88de905577 155 break;
EricGlunn 2:9a88de905577 156
EricGlunn 2:9a88de905577 157 case ms50:
EricGlunn 2:9a88de905577 158 oScopeCut.attach(oScope_kill_func, .05);
EricGlunn 2:9a88de905577 159 break;
EricGlunn 2:9a88de905577 160
EricGlunn 2:9a88de905577 161 case ms100:
EricGlunn 2:9a88de905577 162 oScopeCut.attach(oScope_kill_func, .1);
EricGlunn 2:9a88de905577 163 break;
EricGlunn 2:9a88de905577 164
EricGlunn 2:9a88de905577 165 case ms250:
EricGlunn 2:9a88de905577 166 oScopeCut.attach(oScope_kill_func, .25);
EricGlunn 2:9a88de905577 167 break;
EricGlunn 2:9a88de905577 168
EricGlunn 2:9a88de905577 169 case ms500:
EricGlunn 2:9a88de905577 170 oScopeCut.attach(oScope_kill_func, .5);
EricGlunn 2:9a88de905577 171 break;
EricGlunn 2:9a88de905577 172
EricGlunn 2:9a88de905577 173 case ms1000:
EricGlunn 2:9a88de905577 174 oScopeCut.attach(oScope_kill_func, 1);
EricGlunn 2:9a88de905577 175 break;
EricGlunn 3:60f30ca6a65d 176 default:
EricGlunn 3:60f30ca6a65d 177 oScopeCut.attach(oScope_kill_func, .01);
EricGlunn 3:60f30ca6a65d 178 break;
EricGlunn 2:9a88de905577 179 }
EricGlunn 2:9a88de905577 180
EricGlunn 2:9a88de905577 181 oScopeTicker.attach_us(oScope_sample_func, 50);
EricGlunn 0:f4b1c6a95f25 182
EricGlunn 0:f4b1c6a95f25 183 }
EricGlunn 0:f4b1c6a95f25 184
EricGlunn 0:f4b1c6a95f25 185
EricGlunn 2:9a88de905577 186 void SerialInterrupt(void)
EricGlunn 2:9a88de905577 187 {
EricGlunn 2:9a88de905577 188 command=PC.getc();
EricGlunn 2:9a88de905577 189 state= command & stateMask;
EricGlunn 2:9a88de905577 190
EricGlunn 2:9a88de905577 191 switch(state) {
EricGlunn 2:9a88de905577 192 case reset:
EricGlunn 2:9a88de905577 193 tickerboi.detach(); //detach Ticker
EricGlunn 2:9a88de905577 194 DigitalStatus=0; //turn off status LED
EricGlunn 2:9a88de905577 195 AnalogStatus=0;
EricGlunn 3:60f30ca6a65d 196
EricGlunn 2:9a88de905577 197 if(oScopeStatus){
EricGlunn 2:9a88de905577 198 oScope_kill_func();
EricGlunn 2:9a88de905577 199 }
EricGlunn 2:9a88de905577 200
EricGlunn 0:f4b1c6a95f25 201 break;
EricGlunn 2:9a88de905577 202
EricGlunn 2:9a88de905577 203 case digital:
EricGlunn 2:9a88de905577 204 tickerboi.attach(&digital_sample_func, .5);
EricGlunn 2:9a88de905577 205 DigitalStatus=1; // turn on status LED
EricGlunn 2:9a88de905577 206 break;
EricGlunn 2:9a88de905577 207
EricGlunn 2:9a88de905577 208 case analog:
EricGlunn 2:9a88de905577 209 tickerboi.attach(&analog_sample_func, .5);
EricGlunn 2:9a88de905577 210 AnalogStatus=1;
EricGlunn 2:9a88de905577 211
EricGlunn 2:9a88de905577 212 case oScope:
EricGlunn 2:9a88de905577 213 oScopeTime=command & timeMask;
EricGlunn 2:9a88de905577 214 oScope_poll=true;
EricGlunn 2:9a88de905577 215 oScopeStatus=1;
EricGlunn 2:9a88de905577 216 break;
EricGlunn 2:9a88de905577 217 }
EricGlunn 0:f4b1c6a95f25 218 }
EricGlunn 0:f4b1c6a95f25 219
EricGlunn 2:9a88de905577 220 int main()
EricGlunn 2:9a88de905577 221 {
EricGlunn 2:9a88de905577 222 PC.attach(&SerialInterrupt, Serial::RxIrq);
EricGlunn 0:f4b1c6a95f25 223
EricGlunn 2:9a88de905577 224
EricGlunn 0:f4b1c6a95f25 225 while(1) {
EricGlunn 2:9a88de905577 226
EricGlunn 2:9a88de905577 227 if(newDigital) { //if digital sampling was run
EricGlunn 0:f4b1c6a95f25 228 PC.putc(DigitalSample);
EricGlunn 0:f4b1c6a95f25 229 newDigital=false;
EricGlunn 0:f4b1c6a95f25 230 }
EricGlunn 2:9a88de905577 231
EricGlunn 2:9a88de905577 232 if(newAnalog) { //if analog sampling was run
EricGlunn 2:9a88de905577 233 PC.putc(FULL); //First bit is 0b01000000
EricGlunn 2:9a88de905577 234 for(int i=0; i<5; i++) { //Send all of the analog bits
EricGlunn 2:9a88de905577 235 PC.putc(AnalogSample[i]);
EricGlunn 0:f4b1c6a95f25 236 }
EricGlunn 0:f4b1c6a95f25 237 PC.putc(command); //Last bit is command from PC
EricGlunn 0:f4b1c6a95f25 238 newAnalog=false;
EricGlunn 0:f4b1c6a95f25 239 }
EricGlunn 0:f4b1c6a95f25 240
EricGlunn 3:60f30ca6a65d 241 if(oScope_poll){
EricGlunn 3:60f30ca6a65d 242 oScope_poll=false;
EricGlunn 3:60f30ca6a65d 243 oScope_poll_trig(); }
EricGlunn 2:9a88de905577 244
EricGlunn 2:9a88de905577 245 if(newoScope){
EricGlunn 2:9a88de905577 246 PC.putc(FULL);
EricGlunn 3:60f30ca6a65d 247 for(int j=0; j<oScopeCount; j++){
EricGlunn 3:60f30ca6a65d 248 PC.putc(oScopeArray[j]);
EricGlunn 2:9a88de905577 249 }
EricGlunn 2:9a88de905577 250 oScopeCount=0;
EricGlunn 2:9a88de905577 251 newoScope=false;
EricGlunn 2:9a88de905577 252 }
EricGlunn 2:9a88de905577 253
EricGlunn 2:9a88de905577 254
EricGlunn 0:f4b1c6a95f25 255 myled = 1; //indicate main loop is running
EricGlunn 0:f4b1c6a95f25 256 wait(0.2);
EricGlunn 0:f4b1c6a95f25 257 myled = 0;
EricGlunn 2:9a88de905577 258 wait(0.2);
EricGlunn 0:f4b1c6a95f25 259 }
EricGlunn 0:f4b1c6a95f25 260 }
EricGlunn 0:f4b1c6a95f25 261
EricGlunn 0:f4b1c6a95f25 262
EricGlunn 0:f4b1c6a95f25 263