Revision 0:567492543056, committed 2019-04-12

Comitter:

rhuang77

Date:

Fri Apr 12 01:18:47 2019 +0000

Child:

1:549f56cb4740

Commit message:

new electric piano code

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/4DGL-uLCD-SE.lib	Fri Apr 12 01:18:47 2019 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/4180_1/code/4DGL-uLCD-SE/#2cb1845d7681

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FATFileSystem.lib	Fri Apr 12 01:18:47 2019 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/teams/mbed-official/code/FATFileSystem/#28e685e5ff7f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Fri Apr 12 01:18:47 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/rhuang77/code/ElectricPiano/#e4bd923fd3b8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Speaker.h	Fri Apr 12 01:18:47 2019 +0000
@@ -0,0 +1,19 @@
+#include "mbed.h"
+// new class to play a note on Speaker based on PwmOut class
+class Speaker
+{
+public:
+    Speaker(PinName pin) : _pin(pin) {
+// _pin(pin) means pass pin to the Speaker Constructor
+    }
+// class method to play a note based on PwmOut class
+    void PlayNote(float frequency, float duration, float volume) {
+        _pin.period(1.0/frequency);
+        _pin = volume/2.0;
+        wait(duration);
+        _pin = 0.0;
+    }
+
+private:
+    PwmOut _pin;
+};
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Apr 12 01:18:47 2019 +0000
@@ -0,0 +1,159 @@
+#include <mbed.h>
+#include <mpr121.h>
+#include "mbed.h"
+#include "uLCD_4DGL.h"
+#include "SDFileSystem.h"
+#include "FATFileSystem.h"
+#include "wave_player.h"
+#include <stdio.h>
+#include "Speaker.h"
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+// Create the interrupt receiver object on pin 26
+InterruptIn interrupt(p26);
+// Setup the i2c bus on pins 9 and 10
+I2C i2c(p9, p10);
+// Setup the Mpr121:
+// constructor(i2c object, i2c address of the mpr121)
+Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
+
+SDFileSystem sd(p5, p6, p7, p8, "sd");
+
+AnalogOut DACout(p18);
+wave_player waver(&DACout);
+FILE *wave_file;
+
+
+// Key hit/release interrupt routine
+
+int key_code;
+void fallInterrupt() {
+  key_code = 0;
+  int i=0;
+  int value=mpr121.read(0x00);
+  value +=mpr121.read(0x01)<<8;
+  // LED demo mod
+  i=0;
+  // puts key number out to LEDs for demo
+  for (i=0; i<12; i++) {
+  if (((value>>i)&0x01)==1) {
+      key_code=i+1;
+      
+      }
+  }
+//  wave_file=fopen("/sd/piano/a1.wav","r");
+//   if(wave_file==NULL) printf("file open error!\n\n\r");
+//   printf("test");
+//   waver.play(wave_file);
+//   fclose(wave_file);
+printf("%d", key_code);
+  led4=key_code & 0x01;
+  led3=(key_code>>1) & 0x01;
+  led2=(key_code>>2) & 0x01;
+  led1=(key_code>>3) & 0x01;
+}
+ 
+int main() {
+  //  Speaker mySpeaker(p18);
+  interrupt.fall(&fallInterrupt);
+  interrupt.mode(PullUp);
+// while(1){
+
+//}
+  while (1) {
+
+
+     switch(key_code) //uses a case statement for each individual touch sensor
+      {
+        case 1:
+                    wave_file = fopen("/sd/piano/a12.wav","r");
+            waver.play(wave_file);
+            fclose(wave_file);
+       // mySpeaker.PlayNote(969.0, 0.5, 1.0);
+         // mySpeaker.PlayNote(200.0, 0.1, 0.1);
+          //  mySpeaker.PlayNote(200.0, 0.1, 0.1);
+
+          //  led1 = 1;
+            break;
+        case 2:
+                    
+            wave_file = fopen("/sd/piano/c12.wav","r");
+            waver.play(wave_file);
+            fclose(wave_file);
+            //mySpeaker.PlayNote(300.0, 0.1, 0.1);
+//            wave_file = fopen("/sd/piano_B.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        case 3:
+          //  mySpeaker.PlayNote(500.0, 0.15, 0.1);
+//            wave_file = fopen("/sd/piano_A_sharp.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        case 4:
+           // mySpeaker.PlayNote(700.0, 0.15, 0.1);
+//            wave_file = fopen("/sd/Gb3.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        case 5:
+          //  mySpeaker.PlayNote(600.0, 0.15, 0.1);
+//            wave_file = fopen("/sd/G3.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        case 6:
+           // mySpeaker.PlayNote(969.0, 0.5, 0.5);
+//            wave_file = fopen("/sd/F3.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        case 7:
+          //  mySpeaker.PlayNote(161.0, 0.25, 0.01);
+//            wave_file = fopen("/sd/Eb4.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        case 8:
+           // mySpeaker.PlayNote(869.0, 0.5, 0.5);
+//            wave_file = fopen("/sd/Eb3.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        case 9:
+           // mySpeaker.PlayNote(769.0, 0.5, 0.5);
+//            wave_file = fopen("/sd/E3.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        case 10:
+           // mySpeaker.PlayNote(669.0, 0.5, 0.5);
+//            wave_file = fopen("/sd/Db4.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        case 11:
+           // mySpeaker.PlayNote(469.0, 0.5, 0.5);
+//            wave_file = fopen("/sd/Db3.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        case 12:
+          //  mySpeaker.PlayNote(969.0, 0.5, 0.5);
+//            wave_file = fopen("/sd/D4.wav","r");
+//            waver.play(wave_file, &PlayPtr);
+//            fclose(wave_file);
+            break;
+        default: 
+//                            wave_file = fopen("/sd/piano/a12.wav","r");
+//            waver.play(wave_file);
+//            fclose(wave_file);
+      //  mySpeaker.PlayNote(969.0, 0, 0);
+        break;
+      }
+}
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Apr 12 01:18:47 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpr121.cpp	Fri Apr 12 01:18:47 2019 +0000
@@ -0,0 +1,221 @@
+/*
+Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include <mbed.h>
+#include <sstream>
+#include <string>
+#include <list>
+
+#include <mpr121.h>
+    
+Mpr121::Mpr121(I2C *i2c, Address i2cAddress)
+{
+    this->i2c = i2c;
+    
+    address = i2cAddress;
+           
+    // Configure the MPR121 settings to default
+    this->configureSettings();
+}
+
+   
+void Mpr121::configureSettings()
+{
+    // Put the MPR into setup mode
+    this->write(ELE_CFG,0x00);
+    
+    // Electrode filters for when data is > baseline
+    unsigned char gtBaseline[] = {
+         0x01,  //MHD_R
+         0x01,  //NHD_R 
+         0x00,  //NCL_R
+         0x00   //FDL_R
+         };
+         
+    writeMany(MHD_R,gtBaseline,4);   
+                 
+     // Electrode filters for when data is < baseline   
+     unsigned char ltBaseline[] = {
+        0x01,   //MHD_F
+        0x01,   //NHD_F
+        0xFF,   //NCL_F
+        0x02    //FDL_F
+        };
+        
+    writeMany(MHD_F,ltBaseline,4);
+        
+    // Electrode touch and release thresholds
+    unsigned char electrodeThresholds[] = {
+        E_THR_T, // Touch Threshhold
+        E_THR_R  // Release Threshold
+        };
+
+    for(int i=0; i<12; i++){
+        int result = writeMany((ELE0_T+(i*2)),electrodeThresholds,2);
+    }   
+
+    // Proximity Settings
+    unsigned char proximitySettings[] = {
+        0xff,   //MHD_Prox_R
+        0xff,   //NHD_Prox_R
+        0x00,   //NCL_Prox_R
+        0x00,   //FDL_Prox_R
+        0x01,   //MHD_Prox_F
+        0x01,   //NHD_Prox_F
+        0xFF,   //NCL_Prox_F
+        0xff,   //FDL_Prox_F
+        0x00,   //NHD_Prox_T
+        0x00,   //NCL_Prox_T
+        0x00    //NFD_Prox_T
+        };
+    writeMany(MHDPROXR,proximitySettings,11);
+
+    unsigned char proxThresh[] = {
+        PROX_THR_T, // Touch Threshold
+        PROX_THR_R  // Release Threshold
+        };
+    writeMany(EPROXTTH,proxThresh,2); 
+       
+    this->write(FIL_CFG,0x04);
+    
+    // Set the electrode config to transition to active mode
+    this->write(ELE_CFG,0x0c);
+}
+
+void Mpr121::setElectrodeThreshold(int electrode, unsigned char touch, unsigned char release){
+    
+    if(electrode > 11) return;
+    
+    // Get the current mode
+    unsigned char mode = this->read(ELE_CFG);
+    
+    // Put the MPR into setup mode
+    this->write(ELE_CFG,0x00);
+    
+    // Write the new threshold
+    this->write((ELE0_T+(electrode*2)), touch);
+    this->write((ELE0_T+(electrode*2)+1), release);
+    
+    //Restore the operating mode
+    this->write(ELE_CFG, mode);
+}
+    
+    
+unsigned char Mpr121::read(int key){
+
+    unsigned char data[2];
+    
+    //Start the command
+    i2c->start();
+
+    // Address the target (Write mode)
+    int ack1= i2c->write(address);
+
+    // Set the register key to read
+    int ack2 = i2c->write(key);
+
+    // Re-start for read of data
+    i2c->start();
+
+    // Re-send the target address in read mode
+    int ack3 = i2c->write(address+1);
+
+    // Read in the result
+    data[0] = i2c->read(0); 
+
+    // Reset the bus        
+    i2c->stop();
+
+    return data[0];
+}
+
+
+int Mpr121::write(int key, unsigned char value){
+    
+    //Start the command
+    i2c->start();
+
+    // Address the target (Write mode)
+    int ack1= i2c->write(address);
+
+    // Set the register key to write
+    int ack2 = i2c->write(key);
+
+    // Read in the result
+    int ack3 = i2c->write(value); 
+
+    // Reset the bus        
+    i2c->stop();
+    
+    return (ack1+ack2+ack3)-3;
+}
+
+
+int Mpr121::writeMany(int start, unsigned char* dataSet, int length){
+    //Start the command
+    i2c->start();
+
+    // Address the target (Write mode)
+    int ack= i2c->write(address);
+    if(ack!=1){
+        return -1;
+    }
+    
+    // Set the register key to write
+    ack = i2c->write(start);
+    if(ack!=1){
+        return -1;
+    }
+
+    // Write the date set
+    int count = 0;
+    while(ack==1 && (count < length)){
+        ack = i2c->write(dataSet[count]);
+        count++;
+    } 
+    // Stop the cmd
+    i2c->stop();
+    
+    return count;
+}
+      
+
+bool Mpr121::getProximityMode(){
+    if(this->read(ELE_CFG) > 0x0c)
+        return true;
+    else
+        return false;
+}
+
+void Mpr121::setProximityMode(bool mode){
+    this->write(ELE_CFG,0x00);
+    if(mode){
+        this->write(ELE_CFG,0x30); //Sense proximity from ALL pads
+    } else {
+        this->write(ELE_CFG,0x0c); //Sense touch, all 12 pads active.
+    }
+}
+
+
+int Mpr121::readTouchData(){
+    return this->read(0x00);
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpr121.h	Fri Apr 12 01:18:47 2019 +0000
@@ -0,0 +1,157 @@
+/*
+Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
+
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+   Parts written by Jim Lindblom of Sparkfun
+   Ported to mbed by A.Buckton, Feb 2011
+*/
+
+#ifndef MPR121_H
+#define MPR121_H
+
+//using namespace std;
+
+class Mpr121 
+{
+
+public:
+    // i2c Addresses, bit-shifted
+    enum Address { ADD_VSS = 0xb4,// ADD->VSS = 0x5a <-wiring on Sparkfun board
+                   ADD_VDD = 0xb6,// ADD->VDD = 0x5b
+                   ADD_SCL = 0xb8,// ADD->SDA = 0x5c
+                   ADD_SDA = 0xba // ADD->SCL = 0x5d
+                 };
+
+    // Real initialiser, takes the i2c address of the device.
+    Mpr121(I2C *i2c, Address i2cAddress);
+    
+    bool getProximityMode();
+    
+    void setProximityMode(bool mode);
+    
+    int readTouchData();
+               
+    unsigned char read(int key);
+    
+    int write(int address, unsigned char value);
+    int writeMany(int start, unsigned char* dataSet, int length);
+
+    void setElectrodeThreshold(int electrodeId, unsigned char touchThreshold, unsigned char releaseThreshold);
+        
+protected:
+    // Configures the MPR with standard settings. This is permitted to be overwritten by sub-classes.
+    void configureSettings();
+    
+private:
+    // The I2C bus instance.
+    I2C *i2c;
+
+    // i2c address of this mpr121
+    Address address;
+};
+
+
+// MPR121 Register Defines
+#define    MHD_R        0x2B
+#define    NHD_R        0x2C
+#define    NCL_R        0x2D
+#define    FDL_R        0x2E
+#define    MHD_F        0x2F
+#define    NHD_F        0x30
+#define    NCL_F        0x31
+#define    FDL_F        0x32
+#define    NHDT         0x33
+#define    NCLT         0x34
+#define    FDLT         0x35
+// Proximity sensing controls
+#define    MHDPROXR     0x36
+#define    NHDPROXR     0x37
+#define    NCLPROXR     0x38
+#define    FDLPROXR     0x39
+#define    MHDPROXF     0x3A
+#define    NHDPROXF     0x3B
+#define    NCLPROXF     0x3C
+#define    FDLPROXF     0x3D
+#define    NHDPROXT     0x3E
+#define    NCLPROXT     0x3F
+#define    FDLPROXT     0x40
+// Electrode Touch/Release thresholds
+#define    ELE0_T       0x41
+#define    ELE0_R       0x42
+#define    ELE1_T       0x43
+#define    ELE1_R       0x44
+#define    ELE2_T       0x45
+#define    ELE2_R       0x46
+#define    ELE3_T       0x47
+#define    ELE3_R       0x48
+#define    ELE4_T       0x49
+#define    ELE4_R       0x4A
+#define    ELE5_T       0x4B
+#define    ELE5_R       0x4C
+#define    ELE6_T       0x4D
+#define    ELE6_R       0x4E
+#define    ELE7_T       0x4F
+#define    ELE7_R       0x50
+#define    ELE8_T       0x51
+#define    ELE8_R       0x52
+#define    ELE9_T       0x53
+#define    ELE9_R       0x54
+#define    ELE10_T      0x55
+#define    ELE10_R      0x56
+#define    ELE11_T      0x57
+#define    ELE11_R      0x58
+// Proximity Touch/Release thresholds
+#define    EPROXTTH     0x59
+#define    EPROXRTH     0x5A
+// Debounce configuration
+#define    DEB_CFG      0x5B
+// AFE- Analogue Front End configuration
+#define    AFE_CFG      0x5C 
+// Filter configuration
+#define    FIL_CFG      0x5D
+// Electrode configuration - transistions to "active mode"
+#define    ELE_CFG      0x5E
+
+#define GPIO_CTRL0      0x73
+#define GPIO_CTRL1      0x74
+#define GPIO_DATA       0x75
+#define    GPIO_DIR     0x76
+#define    GPIO_EN      0x77
+#define    GPIO_SET     0x78
+#define GPIO_CLEAR      0x79
+#define GPIO_TOGGLE     0x7A
+// Auto configration registers
+#define    AUTO_CFG_0   0x7B
+#define    AUTO_CFG_U   0x7D
+#define    AUTO_CFG_L   0x7E
+#define    AUTO_CFG_T   0x7F
+
+// Threshold defaults
+// Electrode touch threshold
+#define    E_THR_T      0x0F   
+// Electrode release threshold 
+#define    E_THR_R      0x0A    
+// Prox touch threshold
+#define    PROX_THR_T   0x02
+// Prox release threshold
+#define    PROX_THR_R   0x02
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wave_player.lib	Fri Apr 12 01:18:47 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/sravet/code/wave_player/#acc3e18e77ad