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@12:0528ef6978ec, 2020-04-11 (annotated)

Committer:
nnguyen99
Date:
Sat Apr 11 19:34:47 2020 +0000
Revision:
12:0528ef6978ec
Parent:
11:299f2c8a4092
Child:
13:3ae48dd67009
Child:
24:930fc58e927a
revision

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 12:0528ef6978ec 89 pc.printf("X: %d\n",X);
nnguyen99 12:0528ef6978ec 90 pc.printf("S: %d\n",S);
nnguyen99 12:0528ef6978ec 91 pc.printf("R: %d\n",R);
nnguyen99 12:0528ef6978ec 92 pc.printf("P: %d\n",P);
nnguyen99 12:0528ef6978ec 93 pc.printf("E: %d\n",E);
nnguyen99 12:0528ef6978ec 94 pc.printf("Current State %d\n",curr_state);
nnguyen99 11:299f2c8a4092 95 // Implementing state machine logical transitions based on what states can exit to other states
nnguyen99 11:299f2c8a4092 96 if(X){
nnguyen99 11:299f2c8a4092 97 if(E){
nnguyen99 11:299f2c8a4092 98 curr_state = 5;
nnguyen99 12:0528ef6978ec 99 X = 0;
nnguyen99 11:299f2c8a4092 100 }else if(S){
nnguyen99 11:299f2c8a4092 101 curr_state = 2;
nnguyen99 12:0528ef6978ec 102 X = 0;
nnguyen99 11:299f2c8a4092 103 }
nnguyen99 11:299f2c8a4092 104 }else if(S){
nnguyen99 11:299f2c8a4092 105 if(X){
nnguyen99 11:299f2c8a4092 106 curr_state = 1;
nnguyen99 12:0528ef6978ec 107 S = 0;
nnguyen99 11:299f2c8a4092 108 }else if(R){
nnguyen99 11:299f2c8a4092 109 curr_state = 3;
nnguyen99 12:0528ef6978ec 110 S = 0;
nnguyen99 11:299f2c8a4092 111 }else if(P){
nnguyen99 11:299f2c8a4092 112 curr_state = 4;
nnguyen99 12:0528ef6978ec 113 S = 0;
nnguyen99 11:299f2c8a4092 114 }
nnguyen99 11:299f2c8a4092 115 }else if(R){
nnguyen99 11:299f2c8a4092 116 if(X){
nnguyen99 11:299f2c8a4092 117 curr_state = 1;
nnguyen99 12:0528ef6978ec 118 R = 0;
nnguyen99 11:299f2c8a4092 119 }else if(S){
nnguyen99 11:299f2c8a4092 120 curr_state = 2;
nnguyen99 12:0528ef6978ec 121 R = 0;
nnguyen99 11:299f2c8a4092 122 }
nnguyen99 11:299f2c8a4092 123 }else if(P){
nnguyen99 11:299f2c8a4092 124 if(X){
nnguyen99 11:299f2c8a4092 125 curr_state = 1;
nnguyen99 12:0528ef6978ec 126 P = 0;
nnguyen99 11:299f2c8a4092 127 }else if(S){
nnguyen99 11:299f2c8a4092 128 curr_state = 2;
nnguyen99 12:0528ef6978ec 129 P = 0;
nnguyen99 11:299f2c8a4092 130 }
nnguyen99 11:299f2c8a4092 131 }else if(E){
nnguyen99 11:299f2c8a4092 132 if(X){
nnguyen99 11:299f2c8a4092 133 curr_state = 1;
nnguyen99 12:0528ef6978ec 134 E = 0;
nnguyen99 11:299f2c8a4092 135 }
nnguyen99 11:299f2c8a4092 136 }
nnguyen99 3:7486869c8027 137 switch(curr_state){
nnguyen99 10:f10105ec435f 138 case 1:
nnguyen99 12:0528ef6978ec 139 // pc.printf("RESET\n");
nnguyen99 10:f10105ec435f 140 reset();
nnguyen99 3:7486869c8027 141 break;
nnguyen99 10:f10105ec435f 142 case 2:
nnguyen99 12:0528ef6978ec 143 // pc.printf("STOP\n");
nnguyen99 10:f10105ec435f 144 stop();
nnguyen99 3:7486869c8027 145 break;
nnguyen99 10:f10105ec435f 146 case 3:
nnguyen99 12:0528ef6978ec 147 // pc.printf("RECORD\n");
nnguyen99 10:f10105ec435f 148 record();
nnguyen99 3:7486869c8027 149 break;
nnguyen99 10:f10105ec435f 150 case 4:
nnguyen99 12:0528ef6978ec 151 // pc.printf("PLAY\n");
nnguyen99 10:f10105ec435f 152 play();
nnguyen99 3:7486869c8027 153 break;
nnguyen99 10:f10105ec435f 154 case 5:
nnguyen99 12:0528ef6978ec 155 // pc.printf("ERASE\n");
nnguyen99 10:f10105ec435f 156 erase();
nnguyen99 11:299f2c8a4092 157 break;
nnguyen99 3:7486869c8027 158 }
nnguyen99 3:7486869c8027 159 }
nnguyen99 3:7486869c8027 160 }
trmontgomery 4:1790aa9234a3 161
trmontgomery 4:1790aa9234a3 162 int main() {
trmontgomery 4:1790aa9234a3 163 state_machine_mgr();
trmontgomery 4:1790aa9234a3 164 }