Fengrui Chenchen Zuo
3872 Project GT
Dependencies: MPR121 mbed Servo
Revision 0:fb39f3e8d0d1, committed 2020-10-25
- Comitter:
- chenchen2020
- Date:
- Sun Oct 25 20:53:46 2020 +0000
- Commit message:
- V1
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MPR121.lib Sun Oct 25 20:53:46 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/electromotivated/code/MPR121/#f0e656f25701
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Servo.lib Sun Oct 25 20:53:46 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/simon/code/Servo/#36b69a7ced07
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SongPlayer.h Sun Oct 25 20:53:46 2020 +0000
@@ -0,0 +1,41 @@
+#include "mbed.h"
+// new class to play a note on Speaker based on PwmOut class
+class SongPlayer
+{
+public:
+ SongPlayer(PinName pin) : _pin(pin) {
+// _pin(pin) means pass pin to the constructor
+ }
+// class method to play a note based on PwmOut class
+ void PlaySong(float frequency[], float duration[], float volume=1.0) {
+ vol = volume;
+ notecount = 0;
+ _pin.period(1.0/frequency[notecount]);
+ _pin = volume/2.0;
+ noteduration.attach(this,&SongPlayer::nextnote, duration[notecount]);
+ // setup timer to interrupt for next note to play
+ frequencyptr = frequency;
+ durationptr = duration;
+ //returns after first note starts to play
+ }
+ void nextnote();
+private:
+ Timeout noteduration;
+ PwmOut _pin;
+ int notecount;
+ float vol;
+ float * frequencyptr;
+ float * durationptr;
+};
+//Interrupt Routine to play next note
+void SongPlayer::nextnote()
+{
+ _pin = 0.0;
+ notecount++; //setup next note in song
+ if (durationptr[notecount]!=0.0) {
+ _pin.period(1.0/frequencyptr[notecount]);
+ noteduration.attach(this,&SongPlayer::nextnote, durationptr[notecount]);
+ _pin = vol/2.0;
+ } else
+ _pin = 0.0; //turn off on last note
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun Oct 25 20:53:46 2020 +0000
@@ -0,0 +1,100 @@
+#include "mbed.h"
+#include "Servo.h"
+#include <mpr121.h>
+#include "SongPlayer.h"
+
+#define max_note 40
+#define max_timer_seconds 20
+#define A2 110.0
+#define B2 123.0
+#define C3 131.0
+#define D3 185.0
+#define E3 165.0
+#define F3 174.614
+#define G3 195.998
+#define G_# 207.652
+
+uint8_t mode = 0;
+DigitalIn record_mode(p14);
+DigitalIn play_back_mode(p16);
+DigitalIn play_live_mode(p15);
+DigitalIn STOP(p17);
+DigitalOut GreenLED(p18);
+DigitalOut IndicatorLED(p19);
+DigitalIn RESET(p20);
+I2C i2c(p9, p10);
+
+Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
+InterruptIn interrupt(p30);
+Servo skull_jaw(p26);
+Servo skull_base(p25);
+Servo spare_servo(p24);
+PwmOut RED_LED(p23);
+PwmOut Blue_LED(p22);
+SongPlayer mySpeaker(p21);
+
+bool expired; //Timer expiration
+
+//Instantiate Skull Object
+
+class skull{
+ public:
+ char memory[40];
+ void openJaw(float angle);
+ void turn_table(float angle);
+ void play_tune(float tune);
+ void record_memory();
+ void erase_memory();
+ void append_memory();
+};
+
+int main() {
+ while(1) {
+ if(record_mode == 1){
+ mode = 1;
+ }
+ if(play_back_mode == 1){
+ mode = 2;
+ }
+ if(play_live_mode == 1){
+ mode = 3;
+ }
+ if(STOP == 1){
+ mode = 4;
+ }
+ switch(mode){
+ case 1:
+ //Record Mode
+ break;
+ case 2:
+ //Play_back_mode
+ break;
+ case 3:
+ //play_live_mode
+ break;
+ case 4:
+ //Stop
+ break;
+ case 5:
+ //Reset
+ break;
+ }
+ }
+}
+
+void fallInterrupt() {
+ //int key_code=0;
+ //int i=0;
+ if(mode == 1 && !expired){
+ //write the recorded stuff here
+ } //recording mode
+
+ if(mode == 2){
+ uint16_t value=mpr121.read(0x00);
+ value +=mpr121.read(0x01)<<8;
+ float note[] = {value + 110};
+ float duration[] = {0.24};
+ if(note[0]>110){
+ mySpeaker.PlaySong(note, duration);}
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun Oct 25 20:53:46 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file