diff --git a/PULP/adaptive_Rpeak_detection/adaptiveRpeakDetection.c b/PULP/adaptive_Rpeak_detection/adaptiveRpeakDetection.c
index d56d3a3..1db778d 100755
--- a/PULP/adaptive_Rpeak_detection/adaptiveRpeakDetection.c
+++ b/PULP/adaptive_Rpeak_detection/adaptiveRpeakDetection.c
@@ -1,231 +1,300 @@
 #include "adaptiveRpeakDetection.h"
 #include "../defines.h"
 #include "../profiling/profile.h"
 #include "../data/signal.h"
 #include "../Morph_filt/morpho_filtering.h"
 #include "../Morph_filt/defines_globals.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_buff[(LONG_WINDOW+dim)*(NLEADS+1)];
-RT_L2_DATA int32_t indicesRpeaks[H_B+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[2];
+RT_L2_DATA int32_t indicesRpeaks[H_B+1];
+#endif
+
+#ifdef MODULE_ERROR_DETECTION
+RT_L2_DATA int32_t *argErrDet[4];
+RT_L2_DATA int32_t lastRpeak = 0;
+RT_L2_DATA int32_t lastRR = 0;
+RT_L2_DATA int32_t error_RWindow = 0;
+
 #endif
 
 RT_L2_DATA int32_t overlap;
 RT_L2_DATA int32_t rWindow;
 
 
 void clearRelEn() {
     clearAndResetRelEn();
     resetPeakDetection();
 }
 
+int errorDetection(int32_t *arg[]){
+    int32_t *indRpeaks = arg[0];
+    int32_t *r_counter = arg[1];
+    int32_t *lastPeak = arg[2];
+    int32_t *lastRRp = arg[3];
+    int32_t RR_intervals[H_B+2];
+    int32_t ratioConsecutiveRR = 0;
+    int32_t offset_ind_rr = 1;
+
+    for(int32_t ix_rr = 0; ix_rr < H_B ; ix_rr++) {
+       RR_intervals[ix_rr] = 0;
+    }
+
+    if(*r_counter>0){
+
+        if(!(rWindow == 1 && *r_counter == 1)){
+            if(*lastRRp = 0){
+                RR_intervals[0] = (FACTOR_MS*(indRpeaks[0] - *lastPeak))/ECG_SAMPLING_FREQUENCY;
+                offset_ind_rr = 0;
+            }
+            else{
+                RR_intervals[0] = *lastRRp;
+                RR_intervals[1] = (FACTOR_MS*(indRpeaks[0] - *lastPeak))/ECG_SAMPLING_FREQUENCY;
+                offset_ind_rr = 1;
+            }
+            printf("RR[0]: %d\n",RR_intervals[0] );
+            printf("RR[1]: %d\n",RR_intervals[1] );
+        }
+
+        for(int32_t ix_rp = 1; ix_rp < *r_counter; ix_rp++) {
+            RR_intervals[ix_rp+offset_ind_rr] = (FACTOR_MS*(indRpeaks[ix_rp]-indRpeaks[ix_rp-1]))/ECG_SAMPLING_FREQUENCY;
+        }
+
+        for(int32_t ix_rr = 1; ix_rr < *r_counter; ix_rr++){
+            ratioConsecutiveRR = (FACTOR_RATIO_RR*RR_intervals[ix_rr])/RR_intervals[ix_rr-1];
+            if(ratioConsecutiveRR<PERCENTILE_LOO_LOW || ratioConsecutiveRR>PERCENTILE_LOO_HIGH)
+                return 1;
+        }
+
+        *lastPeak = indRpeaks[*r_counter-1];
+        *lastRRp = RR_intervals[*r_counter-1];
+    }else{
+        return 1;
+    }
+
+    return 0;
+}
+
 void adaptiveRpeakDetection(){
    
     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_buff;
     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_buff;
     argRelEn[1] = (int32_t*) &ecg_buff[(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_buff[LONG_WINDOW+(LONG_WINDOW + dim)*NLEADS];
     argRW_Rpeak[1] = indicesRpeaks;
 #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_buff[i+offset_window] = ecg_buff[(LONG_WINDOW + dim - overlap + i + offset_window)];
 #endif
 #ifdef OVERLAP_RELEN
                 ecg_buff[i + offset_window + (LONG_WINDOW + dim)*NLEADS] = ecg_buff[(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_buff[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_buff[i + (dim+LONG_WINDOW)*lead] = 0;
                 }
             }
         }
 
         // MF on FC because not enough memory on Cluster
         argMF[0] = (int32_t*) &ecg_buff[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_buff[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_buff[offset_window + overlap];
         argRelEn[1] = (int32_t*) &ecg_buff[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_buff[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]) + offset_ind);
         }
     #endif
 
 #endif
 
+#ifdef MODULE_ERROR_DETECTION
+
+        argErrDet[0] = indicesRpeaks;
+        argErrDet[1] = &rpeaks_counter;
+        argErrDet[2] = &lastRpeak;
+        argErrDet[3] = &lastRR;
+        error_RWindow = errorDetection(argErrDet);
+
+    #ifdef PRINT_ERROR_RPEAKS
+        printf("%d\n", error_RWindow);
+    #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;
+        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        
     }
 
 }
diff --git a/PULP/defines.h b/PULP/defines.h
index 42b2cc8..cdeb369 100755
--- a/PULP/defines.h
+++ b/PULP/defines.h
@@ -1,75 +1,83 @@
 #ifndef DEFINES_H_
 #define DEFINES_H_ 
 
 //========= DEFINE PRINT OUTPUT ========//
 // #define PRINT_SIG_MF
 // #define PRINT_RELEN
-#define PRINT_RPEAKS
+// #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
 
 //=========== 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 MODULES ==========//
 #define MODULE_MF
 #define MODULE_RELEN
 #define MODULE_RPEAK_REWARD
-
+#ifdef MODULE_RPEAK_REWARD
+#define MODULE_ERROR_DETECTION
+#endif
 //======== 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 
 #define OVERLAP_RELEN
 
 //======== 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 FACTOR_MS 1000
+#define FACTOR_RATIO_RR 1000
+#define PERCENTILE_LOO_LOW 641 //This is the 0.5th percentile of the RR distribution detected by the clustering using the leave-one-out approach for each subject (it is subject-specific)
+#define PERCENTILE_LOO_HIGH 1492 //This is the 99.5th percentile of the RR distribution detected by the clustering using the leave-one-out approach for each subject (it is subject-specific)
+
 
 //========= 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_