Revision 0:47b1ab4dd893, committed 2020-02-13

Comitter:

elab

Date:

Thu Feb 13 09:07:14 2020 +0000

Commit message:

first version

Changed in this revision

diff -r 000000000000 -r 47b1ab4dd893 DebounceIn.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DebounceIn.lib	Thu Feb 13 09:07:14 2020 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/AjK/code/DebounceIn/#91a2e988ba9d

diff -r 000000000000 -r 47b1ab4dd893 LED_WS2812/LED_WS2812.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LED_WS2812/LED_WS2812.cpp	Thu Feb 13 09:07:14 2020 +0000
@@ -0,0 +1,209 @@
+#include "LED_WS2812.h"
+
+
+
+LED_WS2812::LED_WS2812(PinName _PinOut, int _nbLeds) {
+     nbLeds = _nbLeds;
+    double period_ns;
+     Timer tuneTimings;
+     int sum = 0;
+     int nopRun;
+     
+     for(int kavg = 0; kavg<20;kavg++) {
+         tuneTimings.reset();
+         tuneTimings.start();
+         for(int nopCount=0; nopCount < 10000; nopCount ++) {
+             __nop();
+         }
+         tuneTimings.stop();
+         nopRun = tuneTimings.read_us();
+         sum=nopRun+sum;
+     }
+     period_ns = sum/200; /* *1000 for nanoseconds /20 average /10000 count */
+     
+     int zero_high = ZERO_HIGH/period_ns;
+     int zero_low  = ZERO_LOW/period_ns;
+     int one_high  = ONE_HIGH/period_ns;
+     int one_low   = ONE_LOW/period_ns;
+     
+     ws = new WS2812(_PinOut, nbLeds,  zero_high, zero_low, one_high, one_low);
+     ws->useII(WS2812::PER_PIXEL);
+    
+    pxArray = new PixelArray(nbLeds);
+    pxInsert = new PixelArray(nbLeds);
+    ResetColor();
+    rotationState = false;
+    rotationPosition = nbLeds-1;
+    blinkState = false;
+    blinkONOFF = false;
+    intensity = 0xff;
+};
+  
+LED_WS2812::~LED_WS2812() {
+    delete(ws);
+    delete(pxArray);
+}
+
+
+
+void LED_WS2812::SetColor(LED_COLORS _color, int position) {
+      SetColor((unsigned int) _color, position);
+};
+
+void LED_WS2812::SetColor(unsigned int _color, int position) {
+      if(position < nbLeds && position >=0 ) {
+          pxArray->Set(position, _color);
+          pxArray->SetI(position,intensity);
+      
+      }
+      __writeBuf(0);
+      nbInsert = 0;
+      if(rotationState) StopRotation();
+       rotationPosition = nbLeds;
+};
+
+void LED_WS2812::SetColor(LED_COLORS _color) {
+      SetColor((unsigned int) _color);
+};
+
+void LED_WS2812::SetColor(unsigned int _color) {
+      for(int i=0;i<nbLeds;i++) {
+          pxArray->Set(i, _color);
+          pxArray->SetI(i,intensity);
+     }
+       __writeBuf(0);
+     nbInsert = 0;
+     if(rotationState) StopRotation();
+      rotationPosition = nbLeds;
+};
+
+
+void LED_WS2812::ResetColor() {
+     SetColor(BLACK);
+                  
+ }
+
+void LED_WS2812::__writeBuf(int z) {
+     ws->write_offsets(pxArray->getBuf(),z,z,z);
+     wait(0.01);
+ }
+ 
+void LED_WS2812::__insert2buf() {
+     for(int i=0;i<nbLeds;i++) {
+          pxArray->Set(i, pxInsert->Get(i%nbInsert));
+      }
+      __writeBuf(0);
+      rotationPosition = nbLeds;    
+}
+
+void LED_WS2812::__insertColor(unsigned int _color, int _intensity) {
+      pxInsert->Set(nbInsert%nbLeds,_color);
+      pxInsert->SetI(nbInsert%nbLeds,_intensity);
+      nbInsert++;
+      
+};
+ 
+void LED_WS2812::InsertColor(unsigned int _color) {
+      InsertColor(_color,intensity*100/0xFF);
+};
+
+
+void LED_WS2812::InsertColor(unsigned int _color, float brightness) {
+       int pixelIntensity = brightness*0xFF/100;
+       __insertColor(_color, pixelIntensity);
+       __insert2buf();
+};
+
+
+void LED_WS2812::InsertColorNtimes(int N, unsigned int _color, float brightness) {
+       for(int i=0;i<N;i++) {
+             InsertColor(_color, brightness);
+       }
+};
+    
+void LED_WS2812::InsertColorNtimes(int N, unsigned int _color) {
+       InsertColorNtimes(N, _color, intensity*100/0xFF);
+};
+      
+    
+void LED_WS2812::InsertColor(LED_COLORS _color) {
+      InsertColor((unsigned int)_color);
+};
+   
+ 
+void LED_WS2812::InsertColor(LED_COLORS _color, float brightness) {
+     InsertColor((unsigned int)_color, brightness);
+};
+
+
+void LED_WS2812::InsertColorNtimes(int N, LED_COLORS _color, float brightness) {
+      InsertColorNtimes(N, (unsigned int)_color, brightness);
+};
+    
+void LED_WS2812::InsertColorNtimes(int N, LED_COLORS _color) {
+       InsertColorNtimes(N, _color, intensity*100/0xFF);
+};
+      
+   
+void LED_WS2812::SetIntensity(float perCent) {
+    intensity = perCent*0xFF/100;
+    ws->setII(intensity);
+    for(int i=0;i<nbLeds;i++) {
+            pxArray->SetI(i,intensity);
+    }
+}
+ 
+void LED_WS2812::StartRotation(float interval) {
+    if(rotationState==false) {
+       rotationState = true;
+       LEDSystemTick.attach_us(callback(this, &LED_WS2812::Rotate), interval*1000000);
+    }
+}
+
+
+void LED_WS2812::StopRotation() {
+    if(rotationState==true) {
+        rotationState = false;
+        rotationPosition = 0;
+        LEDSystemTick.detach();
+    }
+}
+
+void LED_WS2812::Rotate() {
+    rotationPosition--;
+    if (rotationPosition == -1)
+        rotationPosition = nbLeds-1;
+    if(!blinkState)  __writeBuf(rotationPosition);
+}
+
+
+void LED_WS2812::StartBlink(float interval) {
+    StopBlink();
+    if(blinkState==false) {
+       blinkState = true;
+       LEDBlinkSystemTick.attach_us(callback(this, &LED_WS2812::Blink), interval*1000000);
+    }
+}
+
+
+void LED_WS2812::StopBlink() {
+    if(blinkState==true) {
+        blinkState = false;
+        LEDBlinkSystemTick.detach();
+    }
+}
+
+void LED_WS2812::Blink() {
+    blinkONOFF = !blinkONOFF;
+    if (blinkONOFF)
+        __writeBuf(rotationPosition);
+    else {
+            ws->useII(WS2812::GLOBAL);
+            ws->setII(0);
+           __writeBuf(rotationPosition);
+            ws->useII(WS2812::PER_PIXEL);
+            ws->setII(intensity);
+            
+    }
+        
+}
\ No newline at end of file

diff -r 000000000000 -r 47b1ab4dd893 LED_WS2812/LED_WS2812.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LED_WS2812/LED_WS2812.h	Thu Feb 13 09:07:14 2020 +0000
@@ -0,0 +1,84 @@
+
+#ifndef LED_WS2812_H
+#define LED_WS2812_H
+
+#include "mbed.h"
+#include "WS2812.h"
+#include "PixelArray.h"
+
+/*
+#define ZERO_HIGH  250.0
+#define ZERO_LOW  1000.0
+#define ONE_HIGH  1000.0
+#define ONE_LOW   250.0
+*/
+#define ZERO_HIGH  200.0
+#define ZERO_LOW  800.0
+#define ONE_HIGH  800.0
+#define ONE_LOW   200.0
+
+ typedef enum _LED_COLORS {
+        BLUE        = 0x0000FF,
+        LIGHTBLUE   = 0x00FFF6,
+        RED         = 0xFF0000,
+        ORANGE      = 0xFF3500,
+        GREEN       = 0X00FF00,
+        BLACK       = 0X000000,
+        WHITE       = 0XFFFFFF,
+        PURPLE      = 0XFF00FF,
+        PINK        = 0XFF84A3,
+        YELLOW      = 0XFFFF00,
+        DARK_YELLOW      = 0X555500,
+        DEFAULT     = 0x000000
+    } LED_COLORS;
+    
+class LED_WS2812
+{
+public:
+    LED_WS2812(PinName _PinOut,  int _nbLeds);
+    ~LED_WS2812();
+    void SetColor(LED_COLORS _color, int position);
+    void SetColor(unsigned int _color, int position);
+    void SetColor(unsigned int _color);
+    void SetColor(LED_COLORS _color);
+    void ResetColor();
+    void SetIntensity(float perCent);
+ 
+    void InsertColor(unsigned int _color);
+    void InsertColor(unsigned int _color, float brightness);
+    void InsertColorNtimes(int N, unsigned int _color, float brightness);  
+    void InsertColorNtimes(int N, unsigned int _color);
+
+    void InsertColor(LED_COLORS _color);
+    void InsertColor(LED_COLORS _color, float brightness);
+    void InsertColorNtimes(int N, LED_COLORS _color, float brightness);  
+    void InsertColorNtimes(int N, LED_COLORS _color);
+
+    void StartRotation(float interval); // interval in s
+    void StopRotation();  // 
+    void Rotate(); // One Rotation
+    
+    void StartBlink(float interval); // interval in s
+    void StopBlink();  //
+    void Blink(); // One Rotation
+      
+private:
+    void __writeBuf(int z);
+    void __insert2buf();
+    void __insertColor(unsigned int _color, int _intensity);
+
+    WS2812 *ws;
+    int nbLeds;
+    PixelArray *pxArray;
+    int nbInsert;
+    PixelArray *pxInsert;
+    Ticker  LEDSystemTick;    // System Callback for Rotation
+    Ticker  LEDBlinkSystemTick;    // System Callback for Rotation
+    bool rotationState;
+   bool blinkState;
+    int rotationPosition;
+    bool blinkONOFF; // ON = true, OFF = false
+    int intensity;
+};
+
+#endif
\ No newline at end of file

diff -r 000000000000 -r 47b1ab4dd893 LED_WS2812/Pixel/PixelArray.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LED_WS2812/Pixel/PixelArray.cpp	Thu Feb 13 09:07:14 2020 +0000
@@ -0,0 +1,173 @@
+#include "PixelArray.h"
+
+PixelArray::PixelArray(int size)
+{
+    pbufsize = size;
+    pbuf = new int[pbufsize];
+    SetAll(0x0); // initialise memory to zeros
+    
+}
+
+PixelArray::~PixelArray()
+{
+    delete[] pbuf;
+}
+
+void PixelArray::SetAll(unsigned int value)
+{
+    // for each pixel
+    for (int i=0 ; i < pbufsize; i++) {
+        __set_pixel(i,value);
+    }
+}
+
+
+void PixelArray::SetAllI(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < pbufsize; i++) {
+        __set_pixel_component(i,3,value);
+    }
+}
+
+
+
+void PixelArray::SetAllR(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < pbufsize; i++) {
+        __set_pixel_component(i,2,value);
+    }
+}
+
+void PixelArray::SetAllG(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < pbufsize; i++) {
+        __set_pixel_component(i,1,value);
+    }
+}
+
+void PixelArray::SetAllB(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < pbufsize; i++) {
+        __set_pixel_component(i,0,value);
+    }
+}
+
+
+
+
+
+void PixelArray::Set(int i, unsigned int value)
+{
+    if ((i >= 0) && (i < pbufsize)) {
+        __set_pixel(i,value);
+    }
+}
+
+
+
+void PixelArray::SetI(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < pbufsize)) {
+        __set_pixel_component(i,3,value);
+    }
+}
+
+
+void PixelArray::SetR(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < pbufsize)) {
+        __set_pixel_component(i,2,value);
+    }
+}
+
+void PixelArray::SetG(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < pbufsize)) {
+        __set_pixel_component(i,1,value);
+    }
+}
+
+void PixelArray::SetB(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < pbufsize)) {
+        __set_pixel_component(i,0,value);
+    }
+}
+
+
+unsigned int  PixelArray::Get(int i)
+{
+         return __get_pixel(i);
+}
+
+unsigned int  PixelArray::GetI(int i)
+{
+         return __get_pixel_component(i,3);
+}
+
+unsigned int  PixelArray::GetR(int i)
+{
+         return __get_pixel_component(i,2);
+}
+
+unsigned int  PixelArray::GetG(int i)
+{
+         return __get_pixel_component(i,1);
+}
+
+unsigned int  PixelArray::GetB(int i)
+{
+         return __get_pixel_component(i,0);
+}
+
+
+
+int* PixelArray::getBuf()
+{
+    return (pbuf);
+}
+
+
+// set either the I,R,G,B value of specific pixel channel
+void PixelArray::__set_pixel_component(int index, int channel, int value)
+{
+
+    // AND with 0x00 shifted to the right location to clear the bits
+    pbuf[index] &= ~(0xFF << (8 * channel));
+
+    // Set the bits with an OR
+    pbuf[index] |= (value << (8 * channel));
+}
+
+
+// set either the I,R,G,B value of specific pixel channel
+void PixelArray::__set_pixel(int index, int value)
+{
+    // AND with 0x00 shifted to the right location to clear the bits
+    pbuf[index] = value;
+}
+
+
+// get specific pixel
+int  PixelArray::__get_pixel(int index)
+{
+    if ((index >= 0) && (index < pbufsize)) {
+        return pbuf[index];
+    } else {
+        return 0;
+    }
+}
+
+
+// get specific pixel
+int  PixelArray::__get_pixel_component(int index, int channel)
+{
+    // AND with 0xFF shifted to the right location to get the bits
+    return ( (__get_pixel(index) & (0xFF << (8 * channel))) >> (8*channel) );
+}
+
+

diff -r 000000000000 -r 47b1ab4dd893 LED_WS2812/Pixel/PixelArray.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LED_WS2812/Pixel/PixelArray.h	Thu Feb 13 09:07:14 2020 +0000
@@ -0,0 +1,77 @@
+/* Copyright (c) 2012 cstyles, MIT License
+ *
+ * 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.
+ */
+
+#ifndef PixelArray_H
+#define PixelArray_H
+
+#include "mbed.h"
+
+//!Library for the WS2812 RGB LED with integrated controller
+/*!
+PixelArray
+*/
+class PixelArray
+{
+public:
+    //!Creates an instance of the class.
+    /*!
+    Pixel Array
+    */
+    PixelArray(int);
+
+    /*!
+    Destroys instance.
+    */
+    ~PixelArray();
+
+    int* getBuf();
+    
+    void SetAll(unsigned int);
+    void SetAllI(unsigned char);
+    void SetAllR(unsigned char);
+    void SetAllG(unsigned char);
+    void SetAllB(unsigned char);
+
+    // location, value
+    void Set(int, unsigned int);
+    void SetI(int, unsigned char);
+    void SetR(int, unsigned char);
+    void SetG(int, unsigned char);
+    void SetB(int, unsigned char);
+    
+    unsigned int Get(int);
+    unsigned int GetI(int);
+    unsigned int GetR(int);
+    unsigned int GetG(int);
+    unsigned int GetB(int);
+
+private:
+
+    int *pbuf;
+    int pbufsize;
+
+    void __set_pixel_component(int index, int channel, int value);
+    void __set_pixel(int index, int value);
+
+    int __get_pixel_component(int index, int channel);
+    int __get_pixel(int index);
+
+};
+
+#endif
+

diff -r 000000000000 -r 47b1ab4dd893 LED_WS2812/WS2812.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LED_WS2812/WS2812.lib	Thu Feb 13 09:07:14 2020 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/bridadan/code/WS2812/#6e647820f587

diff -r 000000000000 -r 47b1ab4dd893 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Feb 13 09:07:14 2020 +0000
@@ -0,0 +1,158 @@
+#include "mbed.h"
+#include <stdio.h> 
+#include <stdlib.h> 
+#include <time.h> 
+#include "LED_WS2812.h"
+ 
+Serial pc(USBTX, USBRX); 
+DigitalOut myled(LED1);
+DigitalIn greenButton(D3,PullUp);
+DigitalIn redButton(D4,PullUp);
+DigitalIn blueButton(D5,PullUp);
+DigitalIn yellowButton(D6, PullUp);
+LED_WS2812 led(D9,4);
+
+int buttonArray[32];
+int array[32]; // LEDS colors array
+
+int readButton(int turn){
+    int currentValueG, currentValueR, currentValueB, currentValueY, status=0;
+    int max=400;
+    for (int i=0;i<32;i++){
+        buttonArray[i]=55;
+    }
+    printf("readButton\n");
+    for (int i=0; i<= turn; i++){
+        for (int t=0; t<max; t++){
+            currentValueG = greenButton.read();
+            currentValueR = redButton.read();
+            currentValueB = blueButton.read();
+            currentValueY = yellowButton.read();
+            if (currentValueG == 0){
+                printf("Green button\n");
+                wait_ms(250);
+                buttonArray[i]=0;
+                t=max;
+                status=0;
+            }
+            else if (currentValueR == 0){
+                printf("RedButton\n");
+                wait_ms(250);
+                buttonArray[i]=1;
+                t=max;
+                status=0;
+            }
+            else if(currentValueB == 0){
+                printf("BlueButton\n");
+                wait_ms(250);
+                buttonArray[i]=2;
+                t=max;
+                status=0;
+            }
+            else if(currentValueY == 0){
+                printf("Yellow button\n");
+                wait_ms(250);
+                buttonArray[i]=3;
+                t=max;
+                status=0;
+            }
+            else if(t>=(max-1)){
+                printf("time out !!! \n");
+                status=1;
+            }
+            wait_ms(10);
+        }       
+    }
+
+    for(int j=0; j<=turn; j++) {
+        printf("buttonArray[%d]=%d\n", j, buttonArray[j]);
+    }
+    printf("end of readButton \n");
+    return status;
+}
+
+int main() {
+    int maxTurn=5, status, diff=0;
+    srand(time(0));
+    led.SetColor(BLACK);   
+    led.SetIntensity(25);
+    for(int t=0; t<=maxTurn; t++){
+        // generate the array  and ON the LEDs
+        printf("turn = %d\n", t);
+        array[t]=rand()%4;
+        for (int i=0; i<=t; i++){
+            switch(array[i])
+            {
+                case 0:
+                    printf(" >>>>>>> green\n");
+                    led.SetColor(GREEN,0);
+                    wait_ms(500);
+                    led.SetColor(BLACK);
+                    wait_ms(50);
+                    break;
+                case 1:
+                    printf(" >>>>>>> red\n");
+                    led.SetColor(RED,1);
+                    wait_ms(500);
+                    led.SetColor(BLACK);
+                    wait_ms(50);
+                    break;
+                case 2:
+                    printf(" >>>>>>> blue\n");
+                    led.SetColor(BLUE,2);
+                    wait_ms(500);
+                    led.SetColor(BLACK);
+                    wait_ms(50);
+                    break;
+                case 3:
+                    printf(" >>>>>>> yellow\n");
+                    led.SetColor(YELLOW,3);
+                    wait_ms(500);
+                    led.SetColor(BLACK);
+                    wait_ms(50);
+                    break;
+                default:
+                    printf(" >>>>>>> no color \n");
+                    break;
+            }
+        }
+        status = readButton(t);
+        // compare two arrays
+        if (status==1){
+            printf("Time out, game over !\n");
+            led.SetColor(ORANGE);
+            t=maxTurn;// force t to maxTurn to exit       
+        }
+        else {
+            for(int j=0; j<=t; j++){
+                if(array[j]!=buttonArray[j]){
+                    j=t;
+                    diff=1;
+                }
+         
+            }
+            if (diff==1){
+                t=maxTurn;
+                printf("Color no match, Game Over !\n");
+                led.InsertColor(RED);
+                led.StartBlink(0.2);
+            }
+            else{
+                if(t<maxTurn){
+                    printf("t=%d\n",t);
+                    printf("next level !!!\n");
+                }
+                else{
+                    printf("t=%d\n",t);
+                    printf("You win !\n");
+                    led.InsertColor(GREEN);
+                    led.StartBlink(0.2);
+                    wait(3);
+                    led.StopBlink();
+                }
+            }
+        }
+        printf("Turn finished\n");
+    }
+          
+}

diff -r 000000000000 -r 47b1ab4dd893 main_copy.txt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_copy.txt	Thu Feb 13 09:07:14 2020 +0000
@@ -0,0 +1,140 @@
+#include "mbed.h"
+#include <stdio.h> 
+#include <stdlib.h> 
+#include <time.h> 
+#include "LED_WS2812.h"
+ 
+Serial pc(USBTX, USBRX); 
+DigitalOut myled(LED1);
+DigitalIn greenButton(D3,PullUp);
+DigitalIn redButton(D4,PullUp);
+DigitalIn blueButton(D5,PullUp);
+DigitalIn yellowButton(D6, PullUp);
+LED_WS2812 led(D9,4);
+
+int buttonArray[32];
+int array[32]; // LEDS colors array
+
+int readButton(int turn){
+    int currentValueG, currentValueR, currentValueB, currentValueY, status=0;
+    int max=500;
+    for (int i=0;i<32;i++){
+        buttonArray[i]=55;
+    }
+    printf("readButton\n");
+    for (int i=0; i<= turn; i++){
+        for (int t=0; t<max; t++){
+            currentValueG = greenButton.read();
+            currentValueR = redButton.read();
+            currentValueB = blueButton.read();
+            currentValueY = yellowButton.read();
+            if (currentValueG == 0){
+                printf("Green button\n");
+                wait_ms(250);
+                buttonArray[i]=0;
+                t=max;
+                status=0;
+            }
+            else if (currentValueR == 0){
+                printf("RedButton\n");
+                wait_ms(250);
+                buttonArray[i]=1;
+                t=max;
+                status=0;
+            }
+            else if(currentValueB == 0){
+                printf("BlueButton\n");
+                wait_ms(250);
+                buttonArray[i]=2;
+                t=max;
+                status=0;
+            }
+            else if(currentValueY == 0){
+                printf("Yellow button\n");
+                wait_ms(250);
+                buttonArray[i]=3;
+                t=max;
+                status=0;
+            }
+            else if(t>=(max-1)){
+                printf("time out !!! \n");
+                status=1;
+            }
+            wait_ms(10);
+        }       
+    }
+
+    for(int j=0; j<=turn; j++) {
+        printf("buttonArray[%d]=%d\n", j, buttonArray[j]);
+    }
+    printf("end of readButton \n");
+    return status;
+}
+
+int main() {
+    int maxTurn=2, status, diff=0;
+    srand(time(0));
+    led.SetIntensity(25); 
+    led.SetColor(RED);   
+    for(int t=0; t<=maxTurn; t++){
+        // generate the array  and ON the LEDs
+        printf("turn = %d\n", t);
+        array[t]=rand()%4;
+        for (int i=0; i<=t; i++){
+            switch(array[i])
+            {
+                case 0:
+                    printf(" >>>>>>> green\n");
+                    led.SetColor(0,GREEN);
+                    wait(1);
+                    led.SetColor(0,BLACK);
+                    break;
+                case 1:
+                    printf(" >>>>>>> red\n");
+//                    led.SetColor(1,RED);
+//                    wait(1);
+//                    led.SetColor(1,BLACK);
+                    break;
+                case 2:
+                    printf(" >>>>>>> blue\n");
+                    led.SetColor(2,BLUE);
+                    wait(1);
+                    led.SetColor(2,BLACK);
+                    break;
+                case 3:
+                    printf(" >>>>>>> yellow\n");
+                    led.SetColor(3,YELLOW);
+                    wait(1);
+                    led.SetColor(3,BLACK);
+                    break;
+                default:
+                    printf(" >>>>>>> no color \n");
+                    break;
+            }
+        }
+        status = readButton(t);
+        // compare two arrays
+        if (status==1){
+            printf("Time out, game over !\n");
+            t=maxTurn;// force t to maxTurn to exit       
+        }
+        else {
+            for(int j=0; j<=t; j++){
+                if(array[j]!=buttonArray[j]){
+                    j=t;
+                    diff=1;
+                }
+         
+            }
+            if (diff==1){
+                t=maxTurn;
+                printf("Color no match, Game Over !\n");
+            }
+            else{
+                printf("You win !\n");
+            }
+        }
+        printf("Turn finished\n");
+    }
+          
+}

diff -r 000000000000 -r 47b1ab4dd893 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Feb 13 09:07:14 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file