karine aknin / Mbed OS Nucleo_piano_CS435_2018

piano 4 octaves, 8 notes, 3 threads, 2 outputs, no bug, clean code, comments, remove old .h

Dependencies:   TextLCD

Fork of Nucleo_piano_CS435 by karine aknin

main.cpp@6:58bab17100a2, 2018-07-03 (annotated)

Committer:
aknin001
Date:
Tue Jul 03 03:29:59 2018 +0000
Revision:
6:58bab17100a2
Parent:
5:824785b64822
Child:
7:d2fe1a5e79ed
piano ok 4 octave, 8 notes, bug display better

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bcostm 0:5701b41769fd 1 #include "mbed.h"
Aliened 3:ca0d5d72f842 2 #include "TextLCD.h"
Aliened 3:ca0d5d72f842 3 #include "button_value.h"
Aliened 3:ca0d5d72f842 4 #include <map>
aknin001 5:824785b64822 5 #include <string.h>
aknin001 5:824785b64822 6 #include <math.h>
Aliened 3:ca0d5d72f842 7
Aliened 3:ca0d5d72f842 8 // Define screen
Aliened 3:ca0d5d72f842 9 TextLCD lcd(PA_8, PA_9, PC_7, PB_6, PA_7, PA_6, PA_5); // RS, RW, E, D4-D7
Aliened 3:ca0d5d72f842 10
aknin001 5:824785b64822 11 // Define Bus In for Buttons (Do, Re, Mi, Fa, Sol, La, Si, Do)
aknin001 5:824785b64822 12 BusIn Bus_In(PA_0, PA_1, PA_4, PB_0, PA_10, PB_3, PB_5, PB_4);
bcostm 0:5701b41769fd 13
Aliened 3:ca0d5d72f842 14 // Define the PWM speaker
Aliened 3:ca0d5d72f842 15 PwmOut speaker(PB_10);
Aliened 3:ca0d5d72f842 16
Aliened 3:ca0d5d72f842 17 //Define variables for sound
aknin001 5:824785b64822 18 struct NoteReference {
aknin001 5:824785b64822 19 char name[4];
aknin001 5:824785b64822 20 int mask;
aknin001 5:824785b64822 21 double frequency;
aknin001 5:824785b64822 22 double add[4];
aknin001 5:824785b64822 23 };
aknin001 5:824785b64822 24 NoteReference noteReference[8] = { {"Do", 0x1, 262.0, {0.0, -1.0, -1.5, -3.0}},
aknin001 5:824785b64822 25 {"Re", 0x2, 294.0, {0.0, -1.0, -1.0, -3.0 }},
aknin001 5:824785b64822 26 {"Mi", 0x4, 330.0, {0.0, -1.0, -1.5, -3.0}},
aknin001 5:824785b64822 27 {"Fa", 0x8, 349.0, {0.0, 0.5, -1.0, 2.0}},
aknin001 5:824785b64822 28 {"Sol", 0x10, 392.0, {0.0, 0.0, 0.0, 0.0}},
aknin001 5:824785b64822 29 {"La", 0x20, 440.0, {0.0, 0.0, 0.0, 0.0}},
aknin001 5:824785b64822 30 {"Si", 0x40, 494.0, {0.0, 0.0, -1.0, -1.0}},
aknin001 5:824785b64822 31 {"Do", 0x80, 523.0, {0.0, 0.0, 0.0, 0.0}}
aknin001 5:824785b64822 32 };
aknin001 5:824785b64822 33 volatile int state_buttons = 0;
aknin001 5:824785b64822 34 volatile int gamme = 0;
Aliened 3:ca0d5d72f842 35
Aliened 3:ca0d5d72f842 36 void print_note(char *str)
bcostm 0:5701b41769fd 37 {
aknin001 6:58bab17100a2 38 // lcd.cls();
aknin001 6:58bab17100a2 39 // wait(0.000040f);
aknin001 6:58bab17100a2 40 lcd.printf("%s", str);
Aliened 3:ca0d5d72f842 41 }
Aliened 3:ca0d5d72f842 42
bcostm 2:35f13b7f3659 43
bcostm 0:5701b41769fd 44 DigitalOut led1(LED1);
bcostm 0:5701b41769fd 45
Aliened 3:ca0d5d72f842 46 void refresh_state_button()
Aliened 3:ca0d5d72f842 47 {
aknin001 6:58bab17100a2 48 //printf("refresh_state_button \n");
Aliened 3:ca0d5d72f842 49 state_buttons = Bus_In & Bus_In.mask(); // read the bus and mask out bits not being used
aknin001 6:58bab17100a2 50 //printf("state_button [ %d ]\n", state_buttons);
Aliened 3:ca0d5d72f842 51 }
Aliened 3:ca0d5d72f842 52
aknin001 5:824785b64822 53 void play_music(int notes, double frequency)
Aliened 3:ca0d5d72f842 54 {
aknin001 5:824785b64822 55 speaker.period(1.0 / frequency);
aknin001 5:824785b64822 56 while (state_buttons == notes) {
Aliened 3:ca0d5d72f842 57 refresh_state_button();
Aliened 3:ca0d5d72f842 58 }
Aliened 3:ca0d5d72f842 59 }
Aliened 3:ca0d5d72f842 60
Aliened 3:ca0d5d72f842 61 void check_buttons()
Aliened 3:ca0d5d72f842 62 {
aknin001 5:824785b64822 63 double frequency = 0.0;
aknin001 5:824785b64822 64 int i = 0;
aknin001 5:824785b64822 65 char bufferOutput[30] = "";
aknin001 5:824785b64822 66
aknin001 6:58bab17100a2 67 if (state_buttons == 0xFF)
aknin001 5:824785b64822 68 {
aknin001 6:58bab17100a2 69 speaker = 0;
aknin001 6:58bab17100a2 70 lcd.cls();
aknin001 6:58bab17100a2 71 }
aknin001 6:58bab17100a2 72 else {
aknin001 6:58bab17100a2 73 while (i < 8)
aknin001 6:58bab17100a2 74 {
aknin001 6:58bab17100a2 75 if (!(state_buttons & noteReference[i].mask)) {
aknin001 6:58bab17100a2 76 frequency += noteReference[i].frequency * pow(2.0, gamme) + noteReference[i].add[gamme];
aknin001 6:58bab17100a2 77 strcat(bufferOutput, noteReference[i].name);
aknin001 6:58bab17100a2 78 strcat(bufferOutput, " ");
aknin001 6:58bab17100a2 79 }
aknin001 6:58bab17100a2 80 i++;
aknin001 5:824785b64822 81 }
aknin001 6:58bab17100a2 82 speaker = 0.5;
aknin001 5:824785b64822 83 print_note(bufferOutput);
aknin001 5:824785b64822 84 play_music(state_buttons, frequency);
Aliened 3:ca0d5d72f842 85 }
Aliened 3:ca0d5d72f842 86 }
Aliened 3:ca0d5d72f842 87
Aliened 3:ca0d5d72f842 88 // TODO: perios of notes with ID
Aliened 3:ca0d5d72f842 89 // TODO: implement new 4 buttons
Aliened 3:ca0d5d72f842 90 // TODO: link new 2 buttons + implementation
Aliened 3:ca0d5d72f842 91 // TODO: deal with gamme
Aliened 3:ca0d5d72f842 92
Aliened 3:ca0d5d72f842 93 // TODO: PB with DO RE on the screen (board crashes)
Aliened 3:ca0d5d72f842 94
bcostm 0:5701b41769fd 95 int main()
bcostm 0:5701b41769fd 96 {
aknin001 5:824785b64822 97 //lcd.printf("%s\n", "CS435 Piano");
aknin001 5:824785b64822 98 //wait(3);
aknin001 6:58bab17100a2 99
bcostm 0:5701b41769fd 100 while (true) {
aknin001 6:58bab17100a2 101 //printf("loop\n");
bcostm 0:5701b41769fd 102 led1 = !led1;
Aliened 3:ca0d5d72f842 103 refresh_state_button();
Aliened 3:ca0d5d72f842 104 check_buttons();
Aliened 3:ca0d5d72f842 105 wait(0.1);
aknin001 6:58bab17100a2 106 lcd.cls();
bcostm 0:5701b41769fd 107 }
bcostm 0:5701b41769fd 108 }