Revision 0:01f630b61d0f, committed 2015-07-10

Comitter:

mia_0032

Date:

Fri Jul 10 09:19:15 2015 +0000

Commit message:

initial commit

Changed in this revision

diff -r 000000000000 -r 01f630b61d0f MARMEX_OB_oled.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MARMEX_OB_oled.h	Fri Jul 10 09:19:15 2015 +0000
@@ -0,0 +1,485 @@
+/** MARMEX_OB OLED screen drawing library
+ *
+ *  @class   MARMEX_OB_oled
+ *  @author  tedd
+ *  @version 0.51
+ *  @date    08-Apr-2011
+ *
+ *  Released under the MIT License: http://mbed.org/license/mit
+ *
+ *  MARMEX_OB_oled OLED screen drawing library for mbed
+ *  This code has been written based on sample code and advises
+ *    from Ochiai-san (Marutsu-Elec). Thank you!
+ *
+ *  SPI mode:
+ *    9bit or 8bit SPI mode can be selected by disabling/enabling "#define MARMEX_OB_SPI_8BIT_MODE".
+ *    See source code in this (MARMEX_OB_oled.h) file.
+ */
+
+#ifndef     MBED_MARMEX_OB_OLED
+#define     MBED_MARMEX_OB_OLED
+
+#include    "mbed.h"
+#include    "NokiaLCD.h"
+
+/** @def MARMEX_OB_SPI_8BIT_MODE
+ *
+ *  MARMEX_OB_oled_oled OLED screen SPI access length setting
+ *  Enabling "MARMEX_OB_SPI_8BIT_MODE" makes 9bit SPI access by 8bit * 2 times.
+ *  This may be useful if other 8bit access SPI device on same SPI bus.
+ *
+ *  If disabled (just coment out the "#define MARMEX_OB_SPI_8BIT_MODE"), SPI access willbe done by 9 bit format.
+ */
+//#define MARMEX_OB_SPI_8BIT_MODE
+
+/** MARMEX_OB_oled OLED screen drawing class
+ *
+ *  This is a driver code for MARMEX_OB_oled board OLED screen.
+ *  This class inherits NokiaLCD class of mbed.org.
+ *  To use this class, import the NokiaLCD class from here..
+ *   http://mbed.org/users/simon/libraries/NokiaLCD/
+ *
+ *  Example:
+ *  @code
+ *  #include "mbed.h"
+ *  #include "MARMEX_OB_oled.h"
+ *  
+ *  //  oled1 is for MARMEX_OB_oled board on MAPLE slot 1
+ *  //  oled1 is for MARMEX_OB_oled board on MAPLE slot 2
+ *  
+ *  MARMEX_OB_oled   oled1( p5, p7,  p8, p30, p11 ); // mosi, sclk, cs, rst, power_control
+ *  //MARMEX_OB_oled   oled2( p5, p7, p26, p21, p17 ); // mosi, sclk, cs, rst, power_control
+ *  
+ *  
+ *  int main() {
+ *      oled1.background( 0x000000 );
+ *      oled1.cls();
+ *     
+ *      int colorbar_width  = MARMEX_OB_oled::WIDTH / 8;
+ *  
+ *      for ( int i = 0; i < 8; i++ )
+ *          oled1.fill( colorbar_width * i, 0, colorbar_width, MARMEX_OB_oled::HEIGHT, ((i & 0x4) ? 0xFF0000 : 0x000000) | ((i & 0x2) ? 0x00FF00 : 0x000000) | ((i & 0x1) ? 0x0000FF : 0x000000) );
+ *  
+ *      oled1.fill(  50,  50,  64,  64, 0xCCCCCC );;
+ *  
+ *      oled1.locate( 0, 3 );
+ *      oled1.printf( "Hello World!" );
+ *      oled1.locate( 0, 4 );
+ *      oled1.printf( "SPI = %s", MERMEX_OB_SPI_MODE_STR );
+ *  
+ *      for (int i = 0; i < MARMEX_OB_oled::WIDTH; i++ ) {
+ *          oled1.pixel( i, 80 + sin( (float)i / 5.0 ) * 10, 0x000000 );
+ *      }
+ *  } *  @endcode
+ */
+
+class MARMEX_OB_oled : public NokiaLCD {
+
+public:
+
+    /** General parameters for MARMEX_OB_oled */
+    enum  {
+        ROWS          = 15,         /**< # of rows (lines) for displaying characters  */
+        COLS          = 16,         /**< # of columns (width) for displaying characters  */
+        WIDTH         = 128,        /**< screen width [pixels]  */
+        HEIGHT        = 128,        /**< screen height [pixels]  */
+        SPI_FREQUENCY = 16000000    /**< SPI (sclk) SPI_FREQUENCY  */
+    };
+
+    /** Constants for power() function */
+    enum  {
+        OFF   = 0,  /**< : to turning-OFF  */
+        ON          /**< : to turning-ON   */
+    };
+
+    /** Create a MARMEX_OB_oled object connected to specified SPI and DigitalOut pins
+     *
+     *  @param mosi SPI-MOSI pin (for MAPLE board, use p5)
+     *  @param sclk SPI-SCLK pin (for MAPLE board, use p8)
+     *  @param cs   chip select signal (for MAPLE board, use p8(slot1), p26(slot2))
+     *  @param rst  reset signal (for MAPLE board, use p30(slot1), p21(slot2))
+     *  @param power_pin backlight power control signal (for MAPLE board, use p11(slot1), p17(slot2))
+     *
+     *  Example of MARMEX_OB_oled on MAPLE board:
+     *  @code
+     *  #include "mbed.h"
+     *  #include "MARMEX_OB_oled.h"
+     *
+     *  MARMEX_OB_oled   oled_on_maple_slot1( p5, p7,  p8, p30, p11 ); // mosi, sclk, cs, rst, power_control
+     *  MARMEX_OB_oled   oled_on_maple_slot2( p5, p7, p26, p21, p17 ); // mosi, sclk, cs, rst, power_control
+     *  ...
+     *  ..
+     *  @endcode
+     */
+
+    MARMEX_OB_oled( PinName mosi, PinName sclk, PinName cs, PinName rst, PinName power_pin ) : NokiaLCD( mosi, sclk, cs, rst, NokiaLCD::LCD6100 ), _power_pin( power_pin ) {
+        power( ON );
+        reset();
+    }
+
+#if DOXYGEN_ONLY
+    /** Write a character to the LCD
+     *
+     * @param c The character to write to the display
+     */
+    int putc( int c );
+
+    /** Write a formated string to the LCD
+     *
+     * @param format A printf-style format string, followed by the
+     *               variables to use in formating the string.
+     *
+     *  !!! 16th character in the string will be disappeared
+     *  !!! This problem is due to difference of screen size NokiaLCD library and its internal mechanism...
+     */
+    int printf( const char* format, ... );
+
+    /** Set the foreground colour
+     *
+     * @param c 24-bit colour
+     */
+    void foreground(int c);
+
+    /** Set the background colour
+     *
+     * @param c 24-bit colour
+     */
+    void background(int c);
+
+#endif
+
+    /** reset MARMEX_OB_oled
+     *
+     *  Executes hardware reset and initialize.
+     *  See MARMEX_OB_oled manual for the initialization sequence and values
+     *  For gamma correction table, using math function to make the code simple
+     */
+
+    void reset( void ) {
+
+#define GAMMA_LUT_SIZE 63
+        unsigned char    gamma_LUT[ GAMMA_LUT_SIZE ];
+
+        for ( int i = 0; i < GAMMA_LUT_SIZE; i++ )
+            gamma_LUT[ i ]  = (unsigned char)(powf( ((float)i / 62.0), (1.0 / 0.58) ) * 178.0 + 2.0);
+
+        // setup the SPI interface and bring display out of reset
+        _cs = 1;
+        _rst = 0;
+#ifdef MARMEX_OB_SPI_8BIT_MODE
+        _spi.format( 8 );
+#else
+        _spi.format( 9 );
+#endif
+
+        _spi.frequency( SPI_FREQUENCY );
+        wait_ms( 1 );
+        _rst = 1;
+        wait_ms( 1 );
+
+        _cs = 0;
+
+        command( SET_DISPLAY_MODE_ALL_OFF );
+        command( SET_COMMAND_LOCK );
+        data( 0x12 );
+
+        command( SET_COMMAND_LOCK );
+        data( 0xb1 );
+
+        command( SET_SLEEP_MODE_ON );
+
+        command( FRONT_CLOCK_DRIVER_OSC_FREQ );
+        data( 0xF1 );
+
+        command( SET_MUX_RATIO );
+        data( 0x7F );
+
+        command( SET_DISPAY_OFFSET );
+        data( 0x00 );
+
+        command( SET_DISPAY_START_LINE );
+        data( 0x00 );
+
+        command( SET_REMAP_COLOR_DEPTH );
+        data( 0x74 );
+
+        command( SET_GPIO );
+        data( 0x00);
+
+        command( FUNCTION_SELECTION );
+        data( 0x01 );
+
+        command( SET_SEGMENT_LOW_VOLTAGE );
+        data( 0xA0 );
+        data( 0xB5 );
+        data( 0x55 );
+
+        command( SET_CONTRAST_CURRENT_FOR_COLOR_ABC );
+        data( 0xC8 );
+        data( 0x80 );
+        data( 0xC8 );
+
+        command( MASTER_CONTRAST_CURRENT_CONTROL );
+        data( 0x0F );
+
+        command( LOOKUP_TABLE_FOR_GRAYSCALE_PULSE_WIDTH );
+        for ( int i = 0; i < GAMMA_LUT_SIZE; i++ )
+            data(  gamma_LUT[ i ] );
+
+        command( SET_RESET_PRECHARGE_PERIOD );
+        data( 0x32 );
+
+        command( ENHANCE_DRIVING_SCHEME_CAPABILITY );
+        data( 0x04 );
+        data( 0x00 );
+        data( 0x00 );
+
+        command( SET_PRECHARGE_VOLTAGE );
+        data( 0x17 );
+
+        command( SET_SECOND_PRECHARGE_VOLTAGE );
+        data( 0x01 );
+
+        command( SET_VCOMH_VOLTAGE );
+        data( 0x05 );
+
+        command( SET_DISPLAY_MODE_RESET );
+
+#if 0
+        command( SET_COLUMN_ADDRESS );
+        data( 0x00 );
+        data( 0x7F );
+
+        command( SET_ROW_ADDRESS );
+        data( 0x00 );
+        data( 0x7F);
+
+        command( WRITE_RAM_COMMAND );
+        for ( int i = 0; i < WIDTH * HEIGHT; i++ )
+            data( 0x00 );
+#endif
+        _cs = 1;
+
+        cls();
+        wait_ms( 200 );
+
+        command( SET_SLEEP_MODE_OFF );
+    }
+
+    /** Clear the screen and locate to 0,0 */
+
+    void cls( void ) {
+        fill( 0, 0, WIDTH , HEIGHT, _background );
+        _row = 0;
+        _column = 0;
+    }
+
+    /** Set a pixel on te screen
+     *
+     * @param x horizontal position from left
+     * @param y vertical position from top
+     * @param colour 24-bit colour in format 0x00RRGGBB
+     */
+
+    virtual void pixel( int x, int y, int colour ) {
+        _cs = 0;
+        _window( x, y, 1, 1 );
+        _putp( colour );
+        _cs = 1;
+    }
+
+    /** Fill an area of the screen
+     *
+     * @param x horizontal position from left
+     * @param y vertical position from top
+     * @param width width in pixels
+     * @param height height in pixels
+     * @param colour 24-bit colour in format 0x00RRGGBB
+     */
+
+    void fill( int x, int y, int width, int height, int colour ) {
+        _cs = 0;
+        _window( x, y, width, height );
+
+        for (int i = 0; i < width * height; i++ ) {
+            _putp( colour );
+        }
+
+        _window( 0, 0, WIDTH, HEIGHT );
+        _cs = 1;
+    }
+
+    void blit( int x, int y, int width, int height, const int* colour ) {
+        _cs = 0;
+        _window( x, y, width, height );
+
+        for (int i = 0; i < width * height; i++ ) {
+            _putp( colour[i] );
+        }
+        _window( 0, 0, WIDTH, HEIGHT );
+        _cs = 1;
+    }
+
+    void bitblit( int x, int y, int width, int height, const char* bitstream ) {
+        _cs = 0;
+        _window( x, y, width, height );
+
+        for (int i = 0; i < height * width; i++ ) {
+            int byte = i / 8;
+            int bit = i % 8;
+            int colour = ((bitstream[ byte ] << bit) & 0x80) ? _foreground : _background;
+            _putp( colour );
+        }
+        _window( 0, 0, _width, _height );
+        _cs = 1;
+    }
+
+    /** Screen width
+     *
+     *  @return screen width [pixel]
+     */
+    int width() {
+        return WIDTH;
+    }
+
+    /** Screen height
+     *
+     *  @return screen height [pixel]
+     */
+    int height() {
+        return HEIGHT;
+    }
+    /** Columns
+     *
+     *  @return screen columns
+     */
+    int columns() {
+        return COLS;
+    }
+
+    /** Rows
+     *
+     *  @return screen rows
+     */
+    int rows() {
+        return ROWS;
+    }
+
+    /** Power switch for OLED backlight
+     *
+     * @param sw argument can be MARMEX_OB_oled::ON or MARMEX_OB_oled::OFF
+     */
+
+    void power( unsigned char sw ) {
+        _power_pin  = sw;
+    }
+
+private:
+    /** Command list for the OLED controller */
+    enum {
+        SET_DISPLAY_MODE_ALL_OFF                = 0xA4,
+        SET_COMMAND_LOCK                        = 0xFD,
+        SET_SLEEP_MODE_ON                       = 0xAE,
+        FRONT_CLOCK_DRIVER_OSC_FREQ             = 0xB3,
+        SET_MUX_RATIO                           = 0xCA,
+        SET_DISPAY_OFFSET                       = 0xA2,
+        SET_DISPAY_START_LINE                   = 0xA1,
+        SET_REMAP_COLOR_DEPTH                   = 0xA0,
+        SET_GPIO                                = 0xB5,
+        FUNCTION_SELECTION                      = 0xAB,
+        SET_SEGMENT_LOW_VOLTAGE                 = 0xB4,
+        SET_CONTRAST_CURRENT_FOR_COLOR_ABC      = 0xC1,
+        MASTER_CONTRAST_CURRENT_CONTROL         = 0xC7,
+        LOOKUP_TABLE_FOR_GRAYSCALE_PULSE_WIDTH  = 0xB8,
+        SET_RESET_PRECHARGE_PERIOD              = 0xB1,
+        ENHANCE_DRIVING_SCHEME_CAPABILITY       = 0xB2,
+        SET_PRECHARGE_VOLTAGE                   = 0xBB,
+        SET_SECOND_PRECHARGE_VOLTAGE            = 0xB6,
+        SET_VCOMH_VOLTAGE                       = 0xBE,
+        SET_DISPLAY_MODE_RESET                  = 0xA6,
+        SET_COLUMN_ADDRESS                      = 0x15,
+        SET_ROW_ADDRESS                         = 0x75,
+        WRITE_RAM_COMMAND                       = 0x5C,
+        SET_SLEEP_MODE_OFF                      = 0xAF
+    };
+
+#ifdef MARMEX_OB_SPI_8BIT_MODE
+    void command( int value ) {
+        int tmp = value & 0x00ff;
+        _cs = 0;
+        _spi.write( tmp >> 1 );
+        _spi.write( tmp << 7 );
+        _cs = 1;
+    }
+
+    void data( int value ) {
+        int tmp  = value & 0x00ff;
+        tmp |= 0x0100;
+        _cs = 0;
+        _spi.write( tmp >> 1 );
+        _spi.write( tmp << 7 );
+        _cs = 1;
+    }
+#else
+    void command( int value ) {
+        _cs = 0;
+        _spi.write( value & 0xFF );
+        _cs = 1;
+    }
+
+    void data(int value) {
+        _cs = 0;
+        _spi.write( value | 0x100 );
+        _cs = 1;
+    }
+#endif
+
+    virtual void _window( int x, int y, int width, int height ) {
+        int x1 = x + 0;
+        int y1 = y + 0;
+        int x2 = x1 + width - 1;
+        int y2 = y1 + height - 1;
+
+        command( SET_COLUMN_ADDRESS );
+        data( x1 );
+        data( x2 );
+        command( SET_ROW_ADDRESS );
+        data( y1 );
+        data( y2 );
+        command( WRITE_RAM_COMMAND );
+    }
+
+    void window( int x, int y, int width, int height ) {
+        _cs = 0;
+        _window( x, y, width, height );
+        _cs = 1;
+    }
+
+    virtual void _putp( int colour ) {
+        int cnv = 0;
+
+        cnv  = (colour >> 8) & 0xf800;
+        cnv |= (colour >> 5) & 0x07e0;
+        cnv |= (colour >> 3) & 0x001f;
+
+        data( cnv >> 8);
+        data( cnv );
+    }
+
+    DigitalOut     _power_pin;
+}
+;
+
+#ifdef  MARMEX_OB_SPI_8BIT_MODE
+#define MERMEX_OB_SPI_MODE_STR  "8bit mode"
+#else
+#define MERMEX_OB_SPI_MODE_STR  "9bit mode"
+#endif
+#endif  //  MBED_MARMEX_OB_OLED
+
+/*
+ *  history:
+ *      0.5  (2011-Apr-07) :  initial published version
+ *      0.51 (2011-Apr-08) :  a. "virtual" had been added on "_putp()" function definition to surpress warning when compiling (is this correct way?)
+ *                            b. sample code (for Doxygen) is changed from new "main.cpp (ver 0.51)" 
+ */

diff -r 000000000000 -r 01f630b61d0f MPR121.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MPR121.lib	Fri Jul 10 09:19:15 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/sam_grove/code/MPR121/#eb4012317732

diff -r 000000000000 -r 01f630b61d0f NokiaLCD.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NokiaLCD.lib	Fri Jul 10 09:19:15 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/simon/code/NokiaLCD/#2d1b23692cbb

diff -r 000000000000 -r 01f630b61d0f SDFileSystem.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Fri Jul 10 09:19:15 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/teams/mbed/code/SDFileSystem/#7b35d1709458

diff -r 000000000000 -r 01f630b61d0f main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jul 10 09:19:15 2015 +0000
@@ -0,0 +1,180 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "SDFileSystem.h"
+#include "MPR121.h"
+#include "wave_player.h"
+#include "MARMEX_OB_oled.h"
+#include <string>
+
+// for debug
+DigitalOut  mbed_leds[]  = {
+    DigitalOut(LED1),
+    DigitalOut(LED2),
+    DigitalOut(LED3),
+    DigitalOut(LED4)
+};
+Serial pc(USBTX, USBRX);
+
+// sensors
+AnalogIn accelerometer[] = {
+    AnalogIn(p17),
+    AnalogIn(p16),
+    AnalogIn(p15)
+};
+float x_value, y_value, z_value;
+
+InterruptIn irq(p26);
+I2C i2c(p9, p10);
+MPR121 touch_pad(i2c, irq, MPR121::ADDR_VSS);
+
+// sd card
+SDFileSystem sd(p5, p6, p7, p8, "sd");
+
+// LED
+DigitalOut  leds[6]  = {
+    DigitalOut(p22),
+    DigitalOut(p23),
+    DigitalOut(p24),
+    DigitalOut(p25),
+    DigitalOut(p27),
+    DigitalOut(p28)
+};
+int counter_num = 6;
+
+// speaker
+AnalogOut aout(p18);
+wave_player waver(&aout);
+
+void play_sound(string file_path) {
+    pc.printf("Play : %s\r\n", file_path.c_str());
+    FILE *wave_file = fopen(file_path.c_str(), "r");
+    if(wave_file == NULL) {
+        pc.printf("Could not open wave file.\r\n");
+    }
+    waver.play(wave_file);
+    fclose(wave_file);
+}
+
+// oled
+MARMEX_OB_oled oled_s(p11, p13, p30, p14, p29); // mosi, sclk, cs, rst, power_control
+uint8_t c[3];
+string current_image;
+
+void display_bmp(string file_path) {
+    if(current_image == file_path) {
+        pc.printf("Specify same bmp file.\r\n");
+        return;
+    }
+    pc.printf("Display : %s\r\n", file_path.c_str());
+    current_image = file_path;
+    FILE *f = fopen(file_path.c_str(), "rb");
+    if(f == NULL) {
+        pc.printf("Could not open bmp file.\r\n");
+    }
+    fseek(f, 54, 1);
+    int color;
+    for(int y=127; y >= 0; y--){
+        for(int x=127; x >= 0; x--){
+            for(int i=0;i < 3;i++){
+                c[i] = fgetc(f);
+            }
+            color = c[0] | (c[1] << 8) | (c[2] << 16);
+            oled_s.pixel(x, y, color);
+        }
+    }
+    fclose(f);
+}
+
+// switch
+DigitalIn sw(p21);
+
+void update_acceleration() {
+    mbed_leds[1] = !mbed_leds[1];
+    float x, y, z;
+    x = y = z = 0.0;
+    for (int i=0 ; i < 100 ; i++) {
+          x = x + accelerometer[0].read();
+          y = y + accelerometer[1].read();
+          z = z + accelerometer[2].read();
+    }
+    x_value = x / 100;
+    y_value = y / 100;
+    z_value = z / 100;
+}
+
+bool is_drinking() {
+    if(z_value > 0.35){
+        if(touch_pad.isPressed()) {
+            uint16_t button_val = touch_pad.buttonPressed();
+            pc.printf("button = 0x%04x\r\n", button_val);
+            if(button_val > 0){
+                mbed_leds[0] = 1;
+                pc.printf("Drinking...\r\n");
+                return true;
+            }
+        }
+    }
+    mbed_leds[0] = 0;
+    return false;
+}
+
+void update_leds() {
+    for(int i=0; i < 6; i++){
+        leds[i] = (i < counter_num) ? 1 : 0;
+    }
+}
+
+void decreament_counter(void const *args) {
+    mbed_leds[2] = !mbed_leds[2];
+    counter_num--;
+    if(counter_num < 0) {
+        counter_num = 0;
+    }
+    update_leds();
+}
+
+void reset_counter() {
+    if(counter_num != 6) {
+        pc.printf("Reset...\r\n");
+        display_bmp("/sd/default.bmp");
+        counter_num = 6;
+        update_leds();
+    }
+}
+
+void notify_drinking() {
+    pc.printf("Notify...\r\n");
+    display_bmp("/sd/sad.bmp");
+    play_sound("/sd/elephant.wav");
+}
+
+int main() {
+    sw.mode(PullUp);
+
+    oled_s.background( 0xFFFFFF );
+    oled_s.cls();
+    display_bmp("/sd/default.bmp");
+    
+    touch_pad.init();
+    touch_pad.enable();
+    
+    RtosTimer counter_timer(decreament_counter, osTimerPeriodic, NULL);
+    counter_timer.start(60000 * 5); // 5min * 6LEDs = 30min
+    update_leds();
+
+    while(1) {
+        update_acceleration();
+        pc.printf("X:%f Y:%f Z:%f\r\n", x_value, y_value, z_value);
+        if(is_drinking()) {
+            reset_counter();
+            play_sound("/sd/drinking.wav");
+        }
+        if(sw == 0) { // for demo
+            decreament_counter(NULL);
+        }
+        if(counter_num <= 0) {
+            notify_drinking();
+        }
+        Thread::wait(500);
+    }
+}

diff -r 000000000000 -r 01f630b61d0f mbed-rtos.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos.lib	Fri Jul 10 09:19:15 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed-rtos/#ef0a22cdf839

diff -r 000000000000 -r 01f630b61d0f mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Jul 10 09:19:15 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/7cff1c4259d7
\ No newline at end of file

diff -r 000000000000 -r 01f630b61d0f wave_player.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wave_player.lib	Fri Jul 10 09:19:15 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/sravet/code/wave_player/#acc3e18e77ad