Carter Montgomery / Mbed 2 deprecated VoodooBoi9000

ECE3872 HW/SW Project Code

Dependencies:   mbed Servo mbed-rtos 4DGL-uLCD-SE PinDetect X_NUCLEO_53L0A1

main.cpp@14:7e81f2cd4b4b, 2020-04-11 (annotated)

Committer:
nnguyen99
Date:
Sat Apr 11 20:00:59 2020 +0000
Revision:
14:7e81f2cd4b4b
Parent:
13:3ae48dd67009
Child:
16:62976c3c029e
State machine completely functional

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nnguyen99 3:7486869c8027 1 #include "mbed.h"
nnguyen99 5:d34d14d33a89 2 #include <iostream>
trmontgomery 4:1790aa9234a3 3 #include "audio_out.h"
nnguyen99 5:d34d14d33a89 4 #include "PinDetect.h"
nnguyen99 5:d34d14d33a89 5 #include "uLCD_4DGL.h"
nnguyen99 3:7486869c8027 6 DigitalOut myled(LED1);
nnguyen99 11:299f2c8a4092 7 //Serial mac(USBTX,USBRX);
nnguyen99 10:f10105ec435f 8
nnguyen99 3:7486869c8027 9 // States
nnguyen99 5:d34d14d33a89 10 #define sRESET 1
nnguyen99 5:d34d14d33a89 11 #define sSTOP 2
nnguyen99 5:d34d14d33a89 12 #define sRECORD 3
nnguyen99 5:d34d14d33a89 13 #define sPLAY 4
nnguyen99 5:d34d14d33a89 14 #define sERASE 5
nnguyen99 3:7486869c8027 15 // State Machine control global variables
nnguyen99 3:7486869c8027 16 bool X; //reset
nnguyen99 3:7486869c8027 17 bool P; //play
nnguyen99 3:7486869c8027 18 bool S; //stop
nnguyen99 3:7486869c8027 19 bool R; //record
nnguyen99 3:7486869c8027 20 bool E; //erase
nnguyen99 3:7486869c8027 21
nnguyen99 3:7486869c8027 22
nnguyen99 3:7486869c8027 23
nnguyen99 3:7486869c8027 24 void reset(){
nnguyen99 3:7486869c8027 25 /* reset state:
nnguyen99 3:7486869c8027 26 Initial state upon powering up the device
nnguyen99 3:7486869c8027 27 1. Cease all motion
nnguyen99 3:7486869c8027 28 2. Reset all motors to initial position
nnguyen99 3:7486869c8027 29 3. Mutes all audio
nnguyen99 3:7486869c8027 30 4. Goes to erase state if reset button is held down for at least 3 seconds
nnguyen99 3:7486869c8027 31 5. Goes to stop state according to rotary switch input
nnguyen99 3:7486869c8027 32 6. LED goes from green to red
nnguyen99 3:7486869c8027 33 NOTE: ONLY exits to stop or erase state
nnguyen99 3:7486869c8027 34 */
nnguyen99 3:7486869c8027 35 }
nnguyen99 3:7486869c8027 36 void stop(){
nnguyen99 3:7486869c8027 37 /* stop state:
nnguyen99 3:7486869c8027 38 Initiated by rotary switch
nnguyen99 3:7486869c8027 39 1. Cease all motion
nnguyen99 3:7486869c8027 40 2. Stop recording
nnguyen99 3:7486869c8027 41 3. Mute all audio
nnguyen99 3:7486869c8027 42 */
nnguyen99 3:7486869c8027 43 }
nnguyen99 3:7486869c8027 44 void record(){
nnguyen99 3:7486869c8027 45 /* record state:
nnguyen99 3:7486869c8027 46 Initiated by rotary switch
nnguyen99 3:7486869c8027 47 1. Cease all motion
nnguyen99 3:7486869c8027 48 2. Begin recording ToF inputs (distance and time)
nnguyen99 3:7486869c8027 49 3. Convert distances to corresponding audio frequencies
nnguyen99 3:7486869c8027 50 4. Append to list of frequencies
nnguyen99 3:7486869c8027 51 5.
nnguyen99 3:7486869c8027 52 */
nnguyen99 3:7486869c8027 53 }
nnguyen99 3:7486869c8027 54 void play(){
nnguyen99 3:7486869c8027 55 /* play state:
nnguyen99 3:7486869c8027 56 Initiated by rotary switch
nnguyen99 3:7486869c8027 57 1. wait a few seconds
nnguyen99 3:7486869c8027 58 2. begin reading list of frequencies while concurrently:
nnguyen99 3:7486869c8027 59 - moving servo motors accordingly
nnguyen99 3:7486869c8027 60 - playing corresponding sounds
nnguyen99 3:7486869c8027 61 */
nnguyen99 3:7486869c8027 62 }
nnguyen99 3:7486869c8027 63 void erase(){
nnguyen99 3:7486869c8027 64 /* erase state:
nnguyen99 3:7486869c8027 65 erases entire audio recording
nnguyen99 3:7486869c8027 66 */
nnguyen99 3:7486869c8027 67 }
nnguyen99 3:7486869c8027 68
nnguyen99 5:d34d14d33a89 69
nnguyen99 5:d34d14d33a89 70
nnguyen99 5:d34d14d33a89 71
trmontgomery 4:1790aa9234a3 72 void state_machine_mgr(){
nnguyen99 11:299f2c8a4092 73 char curr_state = 1;
nnguyen99 12:0528ef6978ec 74 char key_input;
nnguyen99 11:299f2c8a4092 75 X = 1;
nnguyen99 11:299f2c8a4092 76 S = 0;
nnguyen99 11:299f2c8a4092 77 R = 0;
nnguyen99 11:299f2c8a4092 78 P = 0;
nnguyen99 11:299f2c8a4092 79 E = 0;
nnguyen99 3:7486869c8027 80 while(1) {
nnguyen99 11:299f2c8a4092 81 if (pc.readable()) { // if they have pressed a key
nnguyen99 12:0528ef6978ec 82 key_input = pc.getc();
nnguyen99 12:0528ef6978ec 83 if(key_input == '1') X=1; //toggle reset
nnguyen99 12:0528ef6978ec 84 if(key_input == '2') S=1; //toggle stop
nnguyen99 12:0528ef6978ec 85 if(key_input == '3') R=1; //toogle record
nnguyen99 12:0528ef6978ec 86 if(key_input == '4') P=1; //toggle play
nnguyen99 12:0528ef6978ec 87 if(key_input == '5') E=1; //toggle erase
nnguyen99 11:299f2c8a4092 88 }
nnguyen99 14:7e81f2cd4b4b 89 //pc.printf("X: %d\n",X);
nnguyen99 14:7e81f2cd4b4b 90 // pc.printf("S: %d\n",S);
nnguyen99 14:7e81f2cd4b4b 91 // pc.printf("R: %d\n",R);
nnguyen99 14:7e81f2cd4b4b 92 // pc.printf("P: %d\n",P);
nnguyen99 14:7e81f2cd4b4b 93 // pc.printf("E: %d\n",E);
nnguyen99 14:7e81f2cd4b4b 94 // pc.printf("Current State %d\n",curr_state);
nnguyen99 3:7486869c8027 95 switch(curr_state){
nnguyen99 10:f10105ec435f 96 case 1:
nnguyen99 14:7e81f2cd4b4b 97 pc.printf("RESET\n");
nnguyen99 14:7e81f2cd4b4b 98 P = 0;
nnguyen99 14:7e81f2cd4b4b 99 R = 0;
nnguyen99 13:3ae48dd67009 100 if(E){
nnguyen99 13:3ae48dd67009 101 curr_state = 5;
nnguyen99 13:3ae48dd67009 102 X = 0;
nnguyen99 13:3ae48dd67009 103 }else if(S){
nnguyen99 13:3ae48dd67009 104 curr_state = 2;
nnguyen99 13:3ae48dd67009 105 X = 0;
nnguyen99 13:3ae48dd67009 106 }
nnguyen99 10:f10105ec435f 107 reset();
nnguyen99 3:7486869c8027 108 break;
nnguyen99 10:f10105ec435f 109 case 2:
nnguyen99 14:7e81f2cd4b4b 110 pc.printf("STOP\n");
nnguyen99 14:7e81f2cd4b4b 111 E = 0;
nnguyen99 13:3ae48dd67009 112 if(X){
nnguyen99 13:3ae48dd67009 113 curr_state = 1;
nnguyen99 13:3ae48dd67009 114 S = 0;
nnguyen99 13:3ae48dd67009 115 }else if(R){
nnguyen99 13:3ae48dd67009 116 curr_state = 3;
nnguyen99 13:3ae48dd67009 117 S = 0;
nnguyen99 13:3ae48dd67009 118 }else if(P){
nnguyen99 13:3ae48dd67009 119 curr_state = 4;
nnguyen99 13:3ae48dd67009 120 S = 0;
nnguyen99 13:3ae48dd67009 121 }
nnguyen99 10:f10105ec435f 122 stop();
nnguyen99 3:7486869c8027 123 break;
nnguyen99 10:f10105ec435f 124 case 3:
nnguyen99 14:7e81f2cd4b4b 125 pc.printf("RECORD\n");
nnguyen99 14:7e81f2cd4b4b 126 E = 0;
nnguyen99 14:7e81f2cd4b4b 127 P = 0;
nnguyen99 13:3ae48dd67009 128 if(X){
nnguyen99 13:3ae48dd67009 129 curr_state = 1;
nnguyen99 13:3ae48dd67009 130 R = 0;
nnguyen99 13:3ae48dd67009 131 }else if(S){
nnguyen99 13:3ae48dd67009 132 curr_state = 2;
nnguyen99 13:3ae48dd67009 133 R = 0;
nnguyen99 13:3ae48dd67009 134 }
nnguyen99 10:f10105ec435f 135 record();
nnguyen99 3:7486869c8027 136 break;
nnguyen99 10:f10105ec435f 137 case 4:
nnguyen99 14:7e81f2cd4b4b 138 pc.printf("PLAY\n");
nnguyen99 14:7e81f2cd4b4b 139 E = 0;
nnguyen99 14:7e81f2cd4b4b 140 R = 0;
nnguyen99 13:3ae48dd67009 141 if(X){
nnguyen99 13:3ae48dd67009 142 curr_state = 1;
nnguyen99 13:3ae48dd67009 143 P = 0;
nnguyen99 13:3ae48dd67009 144 }else if(S){
nnguyen99 13:3ae48dd67009 145 curr_state = 2;
nnguyen99 13:3ae48dd67009 146 P = 0;
nnguyen99 13:3ae48dd67009 147 }
nnguyen99 10:f10105ec435f 148 play();
nnguyen99 3:7486869c8027 149 break;
nnguyen99 10:f10105ec435f 150 case 5:
nnguyen99 14:7e81f2cd4b4b 151 pc.printf("ERASE\n");
nnguyen99 14:7e81f2cd4b4b 152 S = 0;
nnguyen99 14:7e81f2cd4b4b 153 P = 0;
nnguyen99 14:7e81f2cd4b4b 154 R = 0;
nnguyen99 13:3ae48dd67009 155 if(X){
nnguyen99 13:3ae48dd67009 156 curr_state = 1;
nnguyen99 13:3ae48dd67009 157 E = 0;
nnguyen99 13:3ae48dd67009 158 }
nnguyen99 10:f10105ec435f 159 erase();
nnguyen99 11:299f2c8a4092 160 break;
nnguyen99 3:7486869c8027 161 }
nnguyen99 3:7486869c8027 162 }
nnguyen99 3:7486869c8027 163 }
trmontgomery 4:1790aa9234a3 164
trmontgomery 4:1790aa9234a3 165 int main() {
trmontgomery 4:1790aa9234a3 166 state_machine_mgr();
trmontgomery 4:1790aa9234a3 167 }