ECE3872 HW/SW Project Code
Dependencies: mbed Servo mbed-rtos 4DGL-uLCD-SE PinDetect X_NUCLEO_53L0A1
main.cpp@9:770effc3af2d, 2020-04-09 (annotated)
- Committer:
- nnguyen99
- Date:
- Thu Apr 09 16:24:28 2020 +0000
- Revision:
- 9:770effc3af2d
- Parent:
- 8:a618687c7b19
- Child:
- 10:f10105ec435f
Switched to keyboard inputs
Who changed what in which revision?
User | Revision | Line number | New 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 | 9:770effc3af2d | 7 | Serial pc(USBTX,USBRX); |
nnguyen99 | 5:d34d14d33a89 | 8 | // LCD init |
nnguyen99 | 5:d34d14d33a89 | 9 | // Push buttons init |
nnguyen99 | 3:7486869c8027 | 10 | // States |
nnguyen99 | 5:d34d14d33a89 | 11 | #define sRESET 1 |
nnguyen99 | 5:d34d14d33a89 | 12 | #define sSTOP 2 |
nnguyen99 | 5:d34d14d33a89 | 13 | #define sRECORD 3 |
nnguyen99 | 5:d34d14d33a89 | 14 | #define sPLAY 4 |
nnguyen99 | 5:d34d14d33a89 | 15 | #define sERASE 5 |
nnguyen99 | 3:7486869c8027 | 16 | // State Machine control global variables |
nnguyen99 | 3:7486869c8027 | 17 | bool X; //reset |
nnguyen99 | 3:7486869c8027 | 18 | bool P; //play |
nnguyen99 | 3:7486869c8027 | 19 | bool S; //stop |
nnguyen99 | 3:7486869c8027 | 20 | bool R; //record |
nnguyen99 | 3:7486869c8027 | 21 | bool E; //erase |
nnguyen99 | 3:7486869c8027 | 22 | |
nnguyen99 | 5:d34d14d33a89 | 23 | enum sm_state {sRESET, sSTOP, sRECORD, sPLAY, sERASE}; |
nnguyen99 | 3:7486869c8027 | 24 | |
nnguyen99 | 3:7486869c8027 | 25 | |
nnguyen99 | 3:7486869c8027 | 26 | void reset(){ |
nnguyen99 | 3:7486869c8027 | 27 | /* reset state: |
nnguyen99 | 3:7486869c8027 | 28 | Initial state upon powering up the device |
nnguyen99 | 3:7486869c8027 | 29 | 1. Cease all motion |
nnguyen99 | 3:7486869c8027 | 30 | 2. Reset all motors to initial position |
nnguyen99 | 3:7486869c8027 | 31 | 3. Mutes all audio |
nnguyen99 | 3:7486869c8027 | 32 | 4. Goes to erase state if reset button is held down for at least 3 seconds |
nnguyen99 | 3:7486869c8027 | 33 | 5. Goes to stop state according to rotary switch input |
nnguyen99 | 3:7486869c8027 | 34 | 6. LED goes from green to red |
nnguyen99 | 3:7486869c8027 | 35 | NOTE: ONLY exits to stop or erase state |
nnguyen99 | 3:7486869c8027 | 36 | */ |
nnguyen99 | 3:7486869c8027 | 37 | } |
nnguyen99 | 3:7486869c8027 | 38 | void stop(){ |
nnguyen99 | 3:7486869c8027 | 39 | /* stop state: |
nnguyen99 | 3:7486869c8027 | 40 | Initiated by rotary switch |
nnguyen99 | 3:7486869c8027 | 41 | 1. Cease all motion |
nnguyen99 | 3:7486869c8027 | 42 | 2. Stop recording |
nnguyen99 | 3:7486869c8027 | 43 | 3. Mute all audio |
nnguyen99 | 3:7486869c8027 | 44 | */ |
nnguyen99 | 3:7486869c8027 | 45 | } |
nnguyen99 | 3:7486869c8027 | 46 | void record(){ |
nnguyen99 | 3:7486869c8027 | 47 | /* record state: |
nnguyen99 | 3:7486869c8027 | 48 | Initiated by rotary switch |
nnguyen99 | 3:7486869c8027 | 49 | 1. Cease all motion |
nnguyen99 | 3:7486869c8027 | 50 | 2. Begin recording ToF inputs (distance and time) |
nnguyen99 | 3:7486869c8027 | 51 | 3. Convert distances to corresponding audio frequencies |
nnguyen99 | 3:7486869c8027 | 52 | 4. Append to list of frequencies |
nnguyen99 | 3:7486869c8027 | 53 | 5. |
nnguyen99 | 3:7486869c8027 | 54 | */ |
nnguyen99 | 3:7486869c8027 | 55 | } |
nnguyen99 | 3:7486869c8027 | 56 | void play(){ |
nnguyen99 | 3:7486869c8027 | 57 | /* play state: |
nnguyen99 | 3:7486869c8027 | 58 | Initiated by rotary switch |
nnguyen99 | 3:7486869c8027 | 59 | 1. wait a few seconds |
nnguyen99 | 3:7486869c8027 | 60 | 2. begin reading list of frequencies while concurrently: |
nnguyen99 | 3:7486869c8027 | 61 | - moving servo motors accordingly |
nnguyen99 | 3:7486869c8027 | 62 | - playing corresponding sounds |
nnguyen99 | 3:7486869c8027 | 63 | */ |
nnguyen99 | 3:7486869c8027 | 64 | } |
nnguyen99 | 3:7486869c8027 | 65 | void erase(){ |
nnguyen99 | 3:7486869c8027 | 66 | /* erase state: |
nnguyen99 | 3:7486869c8027 | 67 | erases entire audio recording |
nnguyen99 | 3:7486869c8027 | 68 | */ |
nnguyen99 | 3:7486869c8027 | 69 | } |
nnguyen99 | 3:7486869c8027 | 70 | |
nnguyen99 | 5:d34d14d33a89 | 71 | |
nnguyen99 | 5:d34d14d33a89 | 72 | |
nnguyen99 | 5:d34d14d33a89 | 73 | |
trmontgomery | 4:1790aa9234a3 | 74 | void state_machine_mgr(){ |
nnguyen99 | 3:7486869c8027 | 75 | sm_state curr_state = sRESET; |
nnguyen99 | 3:7486869c8027 | 76 | while(1) { |
nnguyen99 | 9:770effc3af2d | 77 | curr_state = pc.getc(); |
nnguyen99 | 3:7486869c8027 | 78 | switch(curr_state){ |
nnguyen99 | 3:7486869c8027 | 79 | case sRESET: |
nnguyen99 | 8:a618687c7b19 | 80 | S = 0; |
nnguyen99 | 8:a618687c7b19 | 81 | R = 0; |
nnguyen99 | 8:a618687c7b19 | 82 | P = 0; |
nnguyen99 | 8:a618687c7b19 | 83 | E = 0; |
nnguyen99 | 3:7486869c8027 | 84 | if(S) curr_state = sSTOP; |
nnguyen99 | 3:7486869c8027 | 85 | break; |
nnguyen99 | 3:7486869c8027 | 86 | case sSTOP: |
nnguyen99 | 8:a618687c7b19 | 87 | X = 0; |
nnguyen99 | 8:a618687c7b19 | 88 | R = 0; |
nnguyen99 | 8:a618687c7b19 | 89 | P = 0; |
nnguyen99 | 8:a618687c7b19 | 90 | E = 0; |
nnguyen99 | 3:7486869c8027 | 91 | if(X){ |
nnguyen99 | 3:7486869c8027 | 92 | curr_state = sRESET; |
nnguyen99 | 3:7486869c8027 | 93 | }else if(S&R){ |
nnguyen99 | 3:7486869c8027 | 94 | curr_state = sRECORD; |
nnguyen99 | 3:7486869c8027 | 95 | }else if(S&P){ |
nnguyen99 | 3:7486869c8027 | 96 | curr_state = sPLAY; |
nnguyen99 | 3:7486869c8027 | 97 | } |
nnguyen99 | 3:7486869c8027 | 98 | break; |
nnguyen99 | 3:7486869c8027 | 99 | case sRECORD: |
nnguyen99 | 8:a618687c7b19 | 100 | S = 0; |
nnguyen99 | 8:a618687c7b19 | 101 | X = 0; |
nnguyen99 | 8:a618687c7b19 | 102 | P = 0; |
nnguyen99 | 8:a618687c7b19 | 103 | E = 0; |
nnguyen99 | 3:7486869c8027 | 104 | if(X){ |
nnguyen99 | 3:7486869c8027 | 105 | curr_state = sRESET; |
nnguyen99 | 3:7486869c8027 | 106 | }else if(R&S){ |
nnguyen99 | 3:7486869c8027 | 107 | curr_state = sSTOP; |
nnguyen99 | 3:7486869c8027 | 108 | }else if(R&P){ |
nnguyen99 | 3:7486869c8027 | 109 | curr_state = sPLAY; |
nnguyen99 | 3:7486869c8027 | 110 | } |
nnguyen99 | 3:7486869c8027 | 111 | break; |
nnguyen99 | 3:7486869c8027 | 112 | case sPLAY: |
nnguyen99 | 8:a618687c7b19 | 113 | S = 0; |
nnguyen99 | 8:a618687c7b19 | 114 | R = 0; |
nnguyen99 | 8:a618687c7b19 | 115 | X = 0; |
nnguyen99 | 8:a618687c7b19 | 116 | E = 0; |
nnguyen99 | 3:7486869c8027 | 117 | if(X){ |
nnguyen99 | 3:7486869c8027 | 118 | curr_state = sRESET; |
nnguyen99 | 3:7486869c8027 | 119 | }else if(P&S){ |
nnguyen99 | 3:7486869c8027 | 120 | curr_state = sSTOP; |
nnguyen99 | 3:7486869c8027 | 121 | }else if(P&R){ |
nnguyen99 | 3:7486869c8027 | 122 | curr_state = sPLAY; |
nnguyen99 | 3:7486869c8027 | 123 | } |
nnguyen99 | 3:7486869c8027 | 124 | break; |
nnguyen99 | 3:7486869c8027 | 125 | case sERASE: |
nnguyen99 | 3:7486869c8027 | 126 | if(X){ |
nnguyen99 | 3:7486869c8027 | 127 | curr_state = sRESET; |
nnguyen99 | 3:7486869c8027 | 128 | } |
nnguyen99 | 3:7486869c8027 | 129 | } |
nnguyen99 | 3:7486869c8027 | 130 | } |
nnguyen99 | 3:7486869c8027 | 131 | } |
trmontgomery | 4:1790aa9234a3 | 132 | |
trmontgomery | 4:1790aa9234a3 | 133 | int main() { |
nnguyen99 | 5:d34d14d33a89 | 134 | hardware_init(); |
trmontgomery | 4:1790aa9234a3 | 135 | state_machine_mgr(); |
trmontgomery | 4:1790aa9234a3 | 136 | } |