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@11:299f2c8a4092, 2020-04-11 (annotated)

Committer:
nnguyen99
Date:
Sat Apr 11 03:18:24 2020 +0000
Revision:
11:299f2c8a4092
Parent:
10:f10105ec435f
Child:
12:0528ef6978ec
State machine transition logic using keyboard inputs

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 pc.printf("SM\n");
nnguyen99 11:299f2c8a4092 74 char curr_state = 1;
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 11:299f2c8a4092 82 curr_state = pc.getc();
nnguyen99 11:299f2c8a4092 83 if('1') X=!X; //toggle reset
nnguyen99 11:299f2c8a4092 84 if('2') S=!S; //toggle stop
nnguyen99 11:299f2c8a4092 85 if('3') R=!R; //toogle record
nnguyen99 11:299f2c8a4092 86 if('4') P=!P; //toggle play
nnguyen99 11:299f2c8a4092 87 if('5') E=!E; //toggle erase
nnguyen99 11:299f2c8a4092 88 }
nnguyen99 11:299f2c8a4092 89
nnguyen99 11:299f2c8a4092 90 // Implementing state machine logical transitions based on what states can exit to other states
nnguyen99 11:299f2c8a4092 91 if(X){
nnguyen99 11:299f2c8a4092 92 if(E){
nnguyen99 11:299f2c8a4092 93 curr_state = 5;
nnguyen99 11:299f2c8a4092 94 X = !X;
nnguyen99 11:299f2c8a4092 95 }else if(S){
nnguyen99 11:299f2c8a4092 96 curr_state = 2;
nnguyen99 11:299f2c8a4092 97 X = !X;
nnguyen99 11:299f2c8a4092 98 }
nnguyen99 11:299f2c8a4092 99 }else if(S){
nnguyen99 11:299f2c8a4092 100 if(X){
nnguyen99 11:299f2c8a4092 101 curr_state = 1;
nnguyen99 11:299f2c8a4092 102 S = !S;
nnguyen99 11:299f2c8a4092 103 }else if(R){
nnguyen99 11:299f2c8a4092 104 curr_state = 3;
nnguyen99 11:299f2c8a4092 105 S = !S;
nnguyen99 11:299f2c8a4092 106 }else if(P){
nnguyen99 11:299f2c8a4092 107 curr_state = 4;
nnguyen99 11:299f2c8a4092 108 S = !S;
nnguyen99 11:299f2c8a4092 109 }
nnguyen99 11:299f2c8a4092 110 }else if(R){
nnguyen99 11:299f2c8a4092 111 if(X){
nnguyen99 11:299f2c8a4092 112 curr_state = 1;
nnguyen99 11:299f2c8a4092 113 R = !R;
nnguyen99 11:299f2c8a4092 114 }else if(S){
nnguyen99 11:299f2c8a4092 115 curr_state = 2;
nnguyen99 11:299f2c8a4092 116 R = !R;
nnguyen99 11:299f2c8a4092 117 }
nnguyen99 11:299f2c8a4092 118 }else if(P){
nnguyen99 11:299f2c8a4092 119 if(X){
nnguyen99 11:299f2c8a4092 120 curr_state = 1;
nnguyen99 11:299f2c8a4092 121 P = !P;
nnguyen99 11:299f2c8a4092 122 }else if(S){
nnguyen99 11:299f2c8a4092 123 curr_state = 2;
nnguyen99 11:299f2c8a4092 124 P = !P;
nnguyen99 11:299f2c8a4092 125 }
nnguyen99 11:299f2c8a4092 126 }else if(E){
nnguyen99 11:299f2c8a4092 127 if(X){
nnguyen99 11:299f2c8a4092 128 curr_state = 1;
nnguyen99 11:299f2c8a4092 129 E = !E;
nnguyen99 11:299f2c8a4092 130 }
nnguyen99 11:299f2c8a4092 131 }
nnguyen99 3:7486869c8027 132 switch(curr_state){
nnguyen99 10:f10105ec435f 133 case 1:
nnguyen99 11:299f2c8a4092 134 pc.printf("RESET\n");
nnguyen99 10:f10105ec435f 135 reset();
nnguyen99 3:7486869c8027 136 break;
nnguyen99 10:f10105ec435f 137 case 2:
nnguyen99 11:299f2c8a4092 138 pc.printf("STOP\n");
nnguyen99 10:f10105ec435f 139 stop();
nnguyen99 3:7486869c8027 140 break;
nnguyen99 10:f10105ec435f 141 case 3:
nnguyen99 11:299f2c8a4092 142 pc.printf("RECORD\n");
nnguyen99 10:f10105ec435f 143 record();
nnguyen99 3:7486869c8027 144 break;
nnguyen99 10:f10105ec435f 145 case 4:
nnguyen99 11:299f2c8a4092 146 pc.printf("PLAY\n");
nnguyen99 10:f10105ec435f 147 play();
nnguyen99 3:7486869c8027 148 break;
nnguyen99 10:f10105ec435f 149 case 5:
nnguyen99 11:299f2c8a4092 150 pc.printf("ERASE\n");
nnguyen99 10:f10105ec435f 151 erase();
nnguyen99 11:299f2c8a4092 152 break;
nnguyen99 3:7486869c8027 153 }
nnguyen99 3:7486869c8027 154 }
nnguyen99 3:7486869c8027 155 }
trmontgomery 4:1790aa9234a3 156
trmontgomery 4:1790aa9234a3 157 int main() {
nnguyen99 11:299f2c8a4092 158 pc.printf("MAIN\n");
trmontgomery 4:1790aa9234a3 159 state_machine_mgr();
trmontgomery 4:1790aa9234a3 160 }