diff --git a/PULP/adaptive_Rpeak_detection/adaptiveRpeakDetection.c b/PULP/adaptive_Rpeak_detection/adaptiveRpeakDetection.c
index 992cb48..23fb59c 100755
--- a/PULP/adaptive_Rpeak_detection/adaptiveRpeakDetection.c
+++ b/PULP/adaptive_Rpeak_detection/adaptiveRpeakDetection.c
@@ -1,380 +1,368 @@
 #include "rt/rt_api.h"
 #include "adaptiveRpeakDetection.h"
 #include "../defines.h"
 #include "../profiling/profile.h"
 #include "../profiling/profile_cl.h"
 #include "../profiling/defines.h"
 #include "../data/signal.h"
 #include "../Morph_filt/morpho_filtering.h"
 #include "../Morph_filt/defines_globals.h"
 #include "../error_detection/error_detection.h"
 #include "../test_double_buffering.h"
 
 #define N_WINDOWS (int) (2*((ECG_VECTOR_SIZE-LONG_WINDOW)/DIM)+1)// Counting the worst case scenario when overlap is DIM
  
 RT_L2_DATA int16_t ecg_L2buff[(LONG_WINDOW+DIM)*(NLEADS+1)];
 
 RT_L2_DATA rt_perf_t perf[NUM_CORES];
 
 #ifdef MODULE_MF
 RT_L2_DATA int32_t *argMF[4];
 RT_L2_DATA int32_t buffSize_windowMF;
 #endif
 
 #ifdef MODULE_RELEN
 RT_L2_DATA int32_t *argRelEn[4];
 RT_L2_DATA int32_t start_RelEn = 1; 
 RT_L2_DATA int32_t buffSize_windowRelEn;
 #endif
 
 #ifdef MODULE_RPEAK_REWARD
 RT_L2_DATA int32_t *argRW_Rpeak[3];
 RT_L2_DATA int32_t indicesRpeaks[H_B+1];
 #endif
 
 #ifdef MODULE_ERROR_DETECTION
 RT_L2_DATA int32_t *argErrDet[5];
 RT_L2_DATA int32_t lastRpeak = 0;
 RT_L2_DATA int32_t lastRR = 0;
 RT_L2_DATA int32_t error_RWindow = 0;
 #endif
 
 #ifdef MODULE_CLUSTERING
-RT_L2_DATA int16_t ecg_L2buff_prev[DIM];
 RT_L2_DATA int32_t rL2BufferIndex;
 RT_L1_DATA int32_t rL1BufferIndex = 0;
 RT_L1_DATA int16_t ecg_L1buff[DIM*(NLEADS+1)]; 
 RT_L1_DATA int32_t end_main_loop;
-RT_L2_DATA int32_t flag_error_RWindow = 0;
 RT_L2_DATA int32_t* argCL[3];
 RT_L2_DATA rt_event_sched_t * psched = 0;
 RT_L2_DATA int32_t done = 0;
 #endif
 
 RT_L2_DATA int32_t overlap;
 RT_L2_DATA int32_t rWindow;
 
 
 void clearRelEn() {
     clearAndResetRelEn();
     resetPeakDetection();
 }
 
 // static void cluster_Rpeaks(int32_t *arg[])
 // {
 //   rt_team_fork(NUM_CORES, rpeaks, arg);
 // }
 
 static void cluster_test_doublebuff(int32_t *arg[])
 {
   rt_team_fork(NUM_CORES, testDoubleBuff, arg);
 }
 
 extern void end_of_call(void *arg)
 {
   done = 1;
 }
 
-static void fCore0_DmaTransfer_Windows(void *arg)
+static void fCore0_DmaTransfer_Window(void *arg)
 {
   rt_dma_copy_t dmaCp;
-    
-#ifdef MODULE_ERROR_DETECTION    
-    if(flag_error_RWindow == 0){
-        // Copy data block previous window from L2 to shared L1 memory using the cluster DMA
-        rt_dma_memcpy((unsigned int)&ecg_L2buff_prev[0], (unsigned int)&ecg_L1buff[0], 2*DIM, RT_DMA_DIR_EXT2LOC, 0, &dmaCp);
-
-        // Wait for dma to finish
-        rt_dma_wait(&dmaCp);
-    }
-#endif    
-
-    // Copy data block current window from L2 to shared L1 memory using the cluster DMA
-    rt_dma_memcpy((unsigned int)&ecg_L2buff[rL2BufferIndex], (unsigned int)&ecg_L1buff[DIM], 2*DIM, RT_DMA_DIR_EXT2LOC, 0, &dmaCp);
+      
+    // Copy data block window from L2 to shared L1 memory using the cluster DMA
+    rt_dma_memcpy((unsigned int)&ecg_L2buff[rL2BufferIndex], (unsigned int)&ecg_L1buff[rL1BufferIndex], 2*DIM, RT_DMA_DIR_EXT2LOC, 0, &dmaCp);
 
     // Wait for dma to finish
     rt_dma_wait(&dmaCp);
+
+    // printf("rL1BufferIndex: %d endL1BufferIndex: %d\n",rL1BufferIndex,rL1BufferIndex+DIM );
+    for(int i=rL1BufferIndex; i<rL1BufferIndex+DIM;i++)
+        printf("%d\n",ecg_L1buff[i]);    
 }
 
 void adaptiveRpeakDetection(){
 
 #ifdef MODULE_CLUSTERING
     rt_cluster_mount(MOUNT, 0, 0, NULL);
 #endif   
 
     int32_t count_sample = 0;
     int32_t offset_window = 0;
     int32_t offset_ind = LONG_WINDOW/2+1;
     int32_t tot_overlap = 0;
 
     overlap = 0;
 
 #ifdef MODULE_MF
     int32_t flagMF = 0;
     int32_t i_lead = 0;
 
     buffSize_windowMF = LONG_WINDOW+DIM;
 
     argMF[0] = (int32_t*) ecg_L2buff;
     argMF[1] = &flagMF;
     argMF[2] = &i_lead;
     argMF[3] = &buffSize_windowMF;    
 
     init_filtering();
 #endif
 
 #ifdef MODULE_RELEN    
     buffSize_windowRelEn = LONG_WINDOW+DIM;
 
     argRelEn[0] = (int32_t*) ecg_L2buff;
     argRelEn[1] = (int32_t*) &ecg_L2buff[(LONG_WINDOW+DIM)*NLEADS];
     argRelEn[2] = &start_RelEn;
     argRelEn[3] = &buffSize_windowRelEn;
 
     clearRelEn();
 #endif
 
 #ifdef MODULE_RPEAK_REWARD 
     int32_t rpeaks_counter = 0;
 
     argRW_Rpeak[0] = (int32_t*) &ecg_L2buff[LONG_WINDOW+(LONG_WINDOW + DIM)*NLEADS];
     argRW_Rpeak[1] = indicesRpeaks;
     argRW_Rpeak[2] = &offset_ind;
 #endif
 
 #ifdef MODULE_CLUSTERING
     rL2BufferIndex = 0;
 
     // Allocate event on the default scheduler
     if (rt_event_alloc(NULL, 1)) return -1;
     rt_event_t *event;
 
 #endif    
 
     for(rWindow=0; rWindow<N_WINDOWS; rWindow++)
     {
         if((rWindow+1)*DIM + LONG_WINDOW -1 - tot_overlap >= ECG_VECTOR_SIZE){
             return;
         }
 
         if(rWindow > 0){
             offset_window = LONG_WINDOW;
         }
         else{
             offset_window = 0;
         }        
 
         if (rWindow > 0) {
             for(int32_t i=0; i<overlap; i++) {
 #ifdef OVERLAP_MF
                 ecg_L2buff[i+offset_window] = ecg_L2buff[(LONG_WINDOW + DIM - overlap + i + offset_window)];
 #endif
 #ifdef OVERLAP_RELEN
                 ecg_L2buff[i + offset_window + (LONG_WINDOW + DIM)*NLEADS] = ecg_L2buff[(2*(LONG_WINDOW + DIM)*NLEADS - overlap + i + offset_window)];
 #endif                
             }
         }
 
         for(int32_t lead=0; lead<NLEADS; lead++) {
             for(int32_t i=overlap + offset_window; i< LONG_WINDOW + DIM; i++) {
                 ecg_L2buff[i + (DIM+LONG_WINDOW)*lead] = ecg_1l[rWindow*DIM + i - tot_overlap]; 
             }
         }
 
 #ifdef PRINT_DEBUG
         printf("start_window: %d end_window: %d overlap: %d\n", offset_window + rWindow*DIM - tot_overlap,LONG_WINDOW -1 + (rWindow+1)*DIM - tot_overlap,overlap);
 #endif
 
 #ifdef MODULE_MF
 
         if (rWindow == 0) {
             // Needed to initialize the MF filter properly
             for(int32_t lead=0; lead<NLEADS; lead++) {
                 for(int32_t i=0; i<=OFFSET_MF; i++) {
                     ecg_L2buff[i + (DIM+LONG_WINDOW)*lead] = 0;
                 }
             }
         }
 
         // MF on FC because not enough memory on Cluster
         argMF[0] = (int32_t*) &ecg_L2buff[offset_window + overlap];
         buffSize_windowMF = LONG_WINDOW - offset_window + DIM-overlap;
 
         for(i_lead = 0; i_lead < NLEADS; i_lead++){
             filterWindows(argMF);
         }
 
         flagMF=1;
 
     #ifdef PRINT_SIG_MF
         for(int32_t sample = offset_window; sample<LONG_WINDOW + DIM; sample++) {
             printf("%d\n", ecg_L2buff[sample]);
         }
     #endif
 
 #endif
 
 #ifdef HWPERF_FULL
         profile_start(perf);
 #endif
 
 #ifdef MODULE_RELEN
 
     #ifdef HWPERF_MODULES
         profile_start(perf);
     #endif
 
     #ifdef OVERLAP_MF        
         clearAndResetRelEn();
         start_RelEn = 1;
     #endif       
 
     #ifdef OVERLAP_RELEN
         if(rWindow > 0)
             start_RelEn = 0;
 
         argRelEn[0] = (int32_t*) &ecg_L2buff[offset_window + overlap];
         argRelEn[1] = (int32_t*) &ecg_L2buff[offset_window + (LONG_WINDOW + DIM)*NLEADS+overlap];
         buffSize_windowRelEn = LONG_WINDOW - offset_window + DIM-overlap;
     #endif              
 
         relEn_w(argRelEn);       
 
     #ifdef HWPERF_MODULES
         profile_stop(perf);
     #endif
 
     #ifdef PRINT_RELEN
         for(int32_t sample = offset_window + (LONG_WINDOW + DIM)*NLEADS; sample< (LONG_WINDOW + DIM)*(NLEADS+1); sample++) {
             printf("%d\n", ecg_L2buff[sample]);
         }
     #endif 
 
 #endif
 
 #ifdef MODULE_RPEAK_REWARD
 
     #ifdef HWPERF_MODULE_RPEAK_REWARD || HWPERF_MODULES
         profile_start(perf);
     #endif
 
         getPeaks_w(argRW_Rpeak);
 
         rpeaks_counter = 0;
 
         while(indicesRpeaks[rpeaks_counter]!=0) {
             rpeaks_counter++;
         }
 
     #ifdef HWPERF_MODULE_RPEAK_REWARD || HWPERF_MODULES
         profile_stop(perf);
     #endif
 
     #ifdef PRINT_RPEAKS
         for(int32_t indR=0; indR<rpeaks_counter; indR++) {
             printf("%d\n", indicesRpeaks[indR]);
         }
     #endif
 
 #endif
 
+#ifdef MODULE_ERROR_DETECTION
+
+        argErrDet[0] = &rpeaks_counter;
+        argErrDet[1] = &rWindow; 
+        argErrDet[2] = &lastRR;        
+        argErrDet[3] = indicesRpeaks;
+        argErrDet[4] = &lastRpeak;
+        error_RWindow = errorDetection(argErrDet);
+
+    #ifdef PRINT_ERROR_RPEAKS
+        printf("%d\n", error_RWindow);
+    #endif
+#endif        
+
 #ifdef MODULE_CLUSTERING
-    #ifdef MODULE_ERROR_DETECTION        
-        if(flag_error_RWindow == 0){ //Previous window or first window
+
+    #ifdef MODULE_ERROR_DETECTION      
+        if(error_RWindow == 0 || rWindow == 0){ //Previous window or first window
             rL1BufferIndex = 0;
         }else{
             rL1BufferIndex = DIM;
         }
     #else
         rL1BufferIndex = DIM;
     #endif    
 
         rL2BufferIndex = LONG_WINDOW+(LONG_WINDOW + DIM)*NLEADS;
         end_main_loop = DIM*(NLEADS+1);
 
-        // ----------------------------Copy ecg buffer from L2 to L1 memory ------------------------------------------------- //
-        // Initialize event
-        event = rt_event_get_blocking(NULL);
-
-        // Run function on Core 0 of the cluster
-        rt_cluster_call(NULL, 0, fCore0_DmaTransfer_Windows, NULL, NULL, STACK_SIZE, STACK_SIZE, 1, event);
+    #ifdef MODULE_ERROR_DETECTION    
+        if(error_RWindow == 0 || rWindow == 0){
+            // ----------------------------Copy previous window ecg buffer from L2 to L1 memory if error was 0 ------------------------------ //
+            // Initialize event
+            event = rt_event_get_blocking(NULL);
 
-        // Wait for event
-        rt_event_wait(event);
-        // ---------------------------------------------------------------------------------------------------------------//
+            // Run function on Core 0 of the cluster
+            rt_cluster_call(NULL, 0, fCore0_DmaTransfer_Window, NULL, NULL, STACK_SIZE, STACK_SIZE, 1, event);
 
-    #ifdef MODULE_ERROR_DETECTION
-        if(flag_error_RWindow == 0){ //Previous window or first window
-            for(int32_t lead=0; lead<NLEADS; lead++) {
-                for(int32_t i= 0; i< DIM; i++) {
-                    ecg_L2buff_prev[i] = ecg_L2buff[(LONG_WINDOW + (LONG_WINDOW + DIM)*NLEADS) + i]; 
-                }
-            }
+            // Wait for event
+            rt_event_wait(event);
+            // ------------------------------------------------------------------------------------------------------------------------------//
         }
+        if(rWindow > 0 && error_RWindow == 1){
     #endif        
+            // ----------------------------Copy current window ecg buffer from L2 to L1 memory if error was 1 ------------------------------ //
+            // Initialize event
+            event = rt_event_get_blocking(NULL);
 
-#endif
-
-#ifdef MODULE_ERROR_DETECTION
+            // Run function on Core 0 of the cluster
+            rt_cluster_call(NULL, 0, fCore0_DmaTransfer_Window, NULL, NULL, STACK_SIZE, STACK_SIZE, 1, event);
 
-        argErrDet[0] = &rpeaks_counter;
-        argErrDet[1] = &rWindow; 
-        argErrDet[2] = &lastRR;        
-        argErrDet[3] = indicesRpeaks;
-        argErrDet[4] = &lastRpeak;
-        error_RWindow = errorDetection(argErrDet);
+            // Wait for event
+            rt_event_wait(event);
+            // ------------------------------------------------------------------------------------------------------------------------------//
 
-    #ifdef PRINT_ERROR_RPEAKS
-        printf("%d\n", error_RWindow);
-    #endif
-#endif        
-
-#ifdef MODULE_CLUSTERING
-
-    #ifdef MODULE_ERROR_DETECTION
-        if(error_RWindow == 1) 
-            flag_error_RWindow = 1; 
-        else 
-            flag_error_RWindow = 0;
-    #endif        
-
-        if(rWindow > 0 && error_RWindow == 1){
             argCL[0] = (int32_t*) &ecg_L1buff[rL1BufferIndex];
             argCL[1] = &rL1BufferIndex;
             argCL[2] = &end_main_loop;
             rt_cluster_call(NULL, CID, cluster_test_doublebuff, argCL, NULL, 2048, 2048, NUM_CORES, rt_event_get(psched, end_of_call, (void *) CID));
             while(!done)
                 rt_event_execute(psched, 1);
             done = 0;
+    #ifdef MODULE_ERROR_DETECTION
         }
+    #endif
 #endif
 
 #ifdef ONLY_FIRST_WINDOW //Only for debug
     return;
 #endif
 
 #ifdef OVERLAP_MF    
         overlap = LONG_WINDOW + LONG_WINDOW/2 + 1;            
 #endif
 
 #ifdef OVERLAP_RELEN
         overlap = 0;
 #endif
 
         tot_overlap += overlap;
         offset_ind = offset_ind + DIM - tot_overlap;        
 
 #ifdef MODULE_RPEAK_REWARD        
         rpeaks_counter = 0;
 
         for(int32_t ix_rp = 0; ix_rp < H_B+1 ; ix_rp++) {
            indicesRpeaks[ix_rp] = 0;
         }
 #endif        
     }
 
 #ifdef MODULE_CLUSTERING
     rt_cluster_mount(UNMOUNT, 0, 0, NULL);
 #endif    
 
 }
diff --git a/PULP/defines.h b/PULP/defines.h
index f99cf57..849adc0 100755
--- a/PULP/defines.h
+++ b/PULP/defines.h
@@ -1,86 +1,85 @@
 #ifndef DEFINES_H_
 #define DEFINES_H_ 
 
 //========= DEFINE PRINT OUTPUT ========//
 // #define PRINT_SIG_MF
 // #define PRINT_RELEN
 // #define PRINT_RPEAKS
 #define PRINT_ERROR_RPEAKS
 
 //========= DEFINE PRINT DEBUG =========//
 // #define PRINT_DEBUG
 // #define PRINT_SIG_INPUT_PEAKS
 // #define PRINT_THR
 // #define PRINT_RPEAKS_BEFORE_T_CHECK
 // #define PRINT_DEBUG_ERRDET
 
 //=========== Sampling frequency ========== //
 #define ECG_SAMPLING_FREQUENCY 250
 
 //=========== Number of leads/channels ============//
 #define NLEADS 1
 
 //=========== Buffer size for R peak detection ========== //
 //The minumum distance between two ECG peaks based on physiological limits: 200 miliseconds * sampling frequency
 #define BUFFER_LENGTH_SECONDS (float) 1.75 //2.048 //
 #define BUFFER_SIZE (int16_t) (BUFFER_LENGTH_SECONDS*ECG_SAMPLING_FREQUENCY)
 
 //=========== Overlap for Rel-En ========== //
 //long window delay length (in samples): sampling frequency times long window length in seconds
 //Long window length = 0.95 seconds
 #define LONG_WINDOW (uint16_t) (0.95*ECG_SAMPLING_FREQUENCY+1)
 
 //=========== R PEAK DETECTION PARAMETERS ===========//
 // #define NEGATIVE_PEAK //For ISSUL-EPFL dataset, comment this line. For QTDB used for publication in EMBC 2019 and ESWEEK 2020, uncomment.
+#define N 1
+#define H_B 30
+#define DIM  (int16_t) (BUFFER_SIZE * N) //((BUFFER_SIZE * N) + LONG_WINDOW)
+#if ECG_SAMPLING_FREQUENCY == 250
+#define OFFSET_MF 150
+#else
+#define OFFSET_MF 300
+#endif
 
 //=========== CLUSTERING PARAMETERS ===========//
 #define type_f float 
 #define type_i int 
 #define SIZE_PERCENTILE_ARR DIM*2//1000
 
 //======== DEFINE MODULES ==========//
 #define MODULE_MF
 #define MODULE_RELEN
 #define MODULE_RPEAK_REWARD
 #ifdef MODULE_RPEAK_REWARD
 #define MODULE_ERROR_DETECTION
 #endif
 #define MODULE_CLUSTERING
 
 //======== DEFINE WINDOW OVERLAP ==========//
 // Copy the MF or the RelEn signal in the overlapping window. The two defines are mutually exclusive (only one can be uncommented)
 // #define OVERLAP_MF // not yet validated for this implementation
 #define OVERLAP_RELEN //default and validated for this implementation
 
 //======== DEFINE WINDOWS (ONLY FOR DEBUG) ==========//
 // #define ONLY_FIRST_WINDOW
 
-#define N 1
-#define H_B 30
-#define DIM  (int16_t) (BUFFER_SIZE * N) //((BUFFER_SIZE * N) + LONG_WINDOW)
-#if ECG_SAMPLING_FREQUENCY == 250
-#define OFFSET_MF 150
-#else
-#define OFFSET_MF 300
-#endif
-
 //========= DEFINE PROFILING ================//
 // #define HWPERF_MODULE_RPEAK_REWARD	//start profiling module RPEAK
 // #define HWPERF_MODULES	//start profiling separate modules
 // #define HWPERF_FULL	//start profiling full app (N.B. it will profile also some buffering)
 // #define ACTIVE
 //#define EXTACC		//# of loads and stores in EXT memory (L2)
 //#define INTACC		//# of loads and stores in INT memory (L1)
 //#define STALL			//# number of core stalls
 //#define INSTRUCTION	//# number of instructions
 //#define TCDM			//# of conflicts in TCDM (L1 memory) between cores 
 
 #define PULP_L1_DATA RT_L2_DATA
 #define PULP_L2_DATA RT_L2_DATA
 
 #define MUL 
 #define SCALE 100//6//64
 
 #define CGRA_OFF
 
 #endif // DEFINES_H_
diff --git a/PULP/profiling/defines.h b/PULP/profiling/defines.h
index f1de78c..43675ae 100755
--- a/PULP/profiling/defines.h
+++ b/PULP/profiling/defines.h
@@ -1,28 +1,28 @@
 #include <stdint.h>
 #include "rt/rt_api.h"
 #include "rt/rt_omp.h"
 
 #define BI
 void __attribute__ ((noinline)) shift16();
 //#define GPIO
 /*GPIO definitions*/
 #define PAD_GPIO_NUMBER		9
 #define GPIO_NUMBER			9
 
 /*Other definitions*/
 #define RESET_FLAG 			0
 #define SET_FLAG			1
 
 
 //FOR PARALLEL EXECUTION
-#define STACK_SIZE      1024
+#define STACK_SIZE      2048
 #define MOUNT           1
 #define UNMOUNT         0
 #define CID             0
 
 
 #if TARGET == 1
 #define CL
 #else
 #define FC 
 #endif
diff --git a/PULP/test_double_buffering.c b/PULP/test_double_buffering.c
new file mode 100644
index 0000000..a0dcb3a
--- /dev/null
+++ b/PULP/test_double_buffering.c
@@ -0,0 +1,13 @@
+#include "test_double_buffering.h"
+#include "rt/rt_api.h"
+#include <stdio.h>
+
+void testDoubleBuff(int32_t* arg[]){
+	int16_t* ecg_buff = (int16_t*) arg[0];
+	int32_t start_index_w = *(arg[1]);
+	int32_t end_main_loop = *(arg[2]);
+
+	// printf("start_index_w: %d end_main_loop: %d\n",start_index_w,end_main_loop );
+	// for(int i=start_index_w; i<end_main_loop;i++)
+	// 	printf("%d\n",ecg_buff[i]);
+}
\ No newline at end of file
diff --git a/PULP/test_double_buffering.h b/PULP/test_double_buffering.h
new file mode 100644
index 0000000..47e2bdb
--- /dev/null
+++ b/PULP/test_double_buffering.h
@@ -0,0 +1,4 @@
+#include <stdint.h>
+#include "defines.h"
+
+void testDoubleBuff(int32_t* arg[]);
\ No newline at end of file