implemented cleanup of streams every 10 run. Now it works stable and fast. Next step -- adjust runs_since_streams_clean max value

.gitignore

@@ -1,4 +0,0 @@
-*.csv
-*.tmp
-build
-BF_companion

l502-BFfirmware0.ldr

@@ -0,0 +1 @@
+../BFfirmware_0/build/release/bin/l502-BFfirmware0.ldr

long_trace_AVG_RPI.cmd

@@ -1,10 +0,0 @@
-// Default configuration for BF_companion main_state
-// Format: field value // optional comment
-
-run_mode INF_RUN // TEST | FINITE_RUN | INF_RUN
-BF_mode FFT // TRANSPARENT | AVG | FFT
-run_length 50 // milliseconds
-runs_N 1000 // total runs (used in FINITE_RUN)
-run_I 0 // starting run index
-//data_path /home/feda/MIPT/RadioPhotonic_Subserface_radar/Receiver_GUI/data // base directory for output files
-data_path tmp

main.c

@@ -68,21 +68,21 @@
 #include "l502_fpga_regs.h"
 
 
-/* Remove unused enums/structs and constants that are not referenced anywhere */
+/* Remove unused enums/structs and constants that are not referenced anywhere */
 
 // количество используемых логических каналов //
 #define ADC_LCH_CNT  1
 
-/* Unused frequency/timing defines removed */
+/* Unused frequency/timing defines removed */
 
 
 // сколько отсчетов считываем за блок //
-#define READ_BLOCK_SIZE   4096*200
+#define READ_BLOCK_SIZE   4096*200
 // таймаут на прием блока (мс) //
-#define READ_TIMEOUT     2000
+#define READ_TIMEOUT     2000
 
 
-/* Unused BF user command define removed */
+/* Unused BF user command define removed */
 
 
 // номера используемых физических каналов //
@@ -125,7 +125,7 @@ static uint32_t f_ch_ranges[ADC_LCH_CNT] = {X502_ADC_RANGE_02, X502_ADC_RANGE_5,
 
 
 // признак необходимости завершить сбор данных //
-static int f_out = 0;
+static int f_out = 0;
 
 #ifndef _WIN32
 // Обработчик сигнала завершения для Linux //
@@ -143,123 +143,123 @@ typedef struct {
 } ip_dev_list_t;
 
 
-typedef enum {
-  RUN_MODE_TEST = 0,
-  RUN_MODE_FINITE = 1,
-  RUN_MODE_INF = 2
-} run_mode_t;
-
-typedef enum {
-  BF_MODE_TRANSPARENT = 0,
+typedef enum {
+  RUN_MODE_TEST = 0,
+  RUN_MODE_FINITE = 1,
+  RUN_MODE_INF = 2
+} run_mode_t;
+
+typedef enum {
+  BF_MODE_TRANSPARENT = 0,
   BF_MODE_AVG = 1,
-  BF_MODE_FFT = 2
-} bf_mode_t;
-
-typedef enum {
-  BFMODE_TRANSPARENT = 0,
-  BFMODE_AVG = 1,
-  BFMODE_FFT = 2
-} blackfin_mode_t;
-
-typedef struct main_state_typedef{
-  run_mode_t run_mode; // TEST, FINITE_RUN, INF_RUN
-  bf_mode_t BF_mode;   // TRANSPARENT, AVG
-  blackfin_mode_t BlackFin_mode; // TRANSPARENT, AVG, FFT
-  uint32_t run_length; // in ms. Used as timeout for receive_to_file
-  uint32_t run_I;      // № current run
-  uint32_t runs_N;     // total number of runs
-  char data_path[200]; // base directory for data files
-} main_state;
-
-static void main_state_set_defaults(main_state* st) {
-  st->run_mode = RUN_MODE_TEST;
-  st->BF_mode = BF_MODE_TRANSPARENT;
-  st->BlackFin_mode = BFMODE_TRANSPARENT;
-  st->run_length = 1000;
-  st->run_I = 0;
-  st->runs_N = 1;
-  strncpy(st->data_path, "data", sizeof(st->data_path));
-  st->data_path[sizeof(st->data_path)-1] = '\0';
-}
-
-static char* f_trim(char* s) {
-  char* end;
-  while (*s==' ' || *s=='\t' || *s=='\r' || *s=='\n') s++;
-  if (*s == 0) return s;
-  end = s + strlen(s) - 1;
-  while (end > s && (*end==' ' || *end=='\t' || *end=='\r' || *end=='\n')) end--;
-  end[1] = '\0';
-  return s;
-}
-
-static void parse_cmd_file(const char* filename, main_state* st) {
-  FILE* f = fopen(filename, "r");
-  if (f == NULL) {
-    printf("Command file '%s' not found. Using defaults.\n", filename);
-    return;
-  }
-  char line[512];
-  while (fgets(line, sizeof(line), f)) {
-    char* p = line;
-    char* comment = strstr(p, "//");
-    if (comment) *comment = '\0';
-    p = f_trim(p);
-    if (*p == '\0') continue;
-    char* field = strtok(p, "\t \r\n");
-    char* value = strtok(NULL, "\t \r\n");
-    if (!field || !value) continue;
-
-    if (strcmp(field, "run_mode") == 0) {
-      if (strcmp(value, "FINITE_RUN") == 0) {
-        st->run_mode = RUN_MODE_FINITE;
-      } else if (strcmp(value, "INF_RUN") == 0) {
-        st->run_mode = RUN_MODE_INF;
-      } else if (strcmp(value, "TEST") == 0) {
-        st->run_mode = RUN_MODE_TEST;
-      } else {
-        st->run_mode = RUN_MODE_TEST; // default on mismatch
-      }
-    } else if (strcmp(field, "BF_mode") == 0) {
-      if (strcmp(value, "TRANSPARENT") == 0) {
-        st->BF_mode = BF_MODE_TRANSPARENT;
-      } else if (strcmp(value, "AVG") == 0) {
+  BF_MODE_FFT = 2
+} bf_mode_t;
+
+typedef enum {
+  BFMODE_TRANSPARENT = 0,
+  BFMODE_AVG = 1,
+  BFMODE_FFT = 2
+} blackfin_mode_t;
+
+typedef struct main_state_typedef{
+  run_mode_t run_mode; // TEST, FINITE_RUN, INF_RUN
+  bf_mode_t BF_mode;   // TRANSPARENT, AVG
+  blackfin_mode_t BlackFin_mode; // TRANSPARENT, AVG, FFT
+  uint32_t run_length; // in ms. Used as timeout for receive_to_file
+  uint32_t run_I;      // № current run
+  uint32_t runs_N;     // total number of runs
+  char data_path[200]; // base directory for data files
+} main_state;
+
+static void main_state_set_defaults(main_state* st) {
+  st->run_mode = RUN_MODE_TEST;
+  st->BF_mode = BF_MODE_TRANSPARENT;
+  st->BlackFin_mode = BFMODE_TRANSPARENT;
+  st->run_length = 1000;
+  st->run_I = 0;
+  st->runs_N = 1;
+  strncpy(st->data_path, "data", sizeof(st->data_path));
+  st->data_path[sizeof(st->data_path)-1] = '\0';
+}
+
+static char* f_trim(char* s) {
+  char* end;
+  while (*s==' ' || *s=='\t' || *s=='\r' || *s=='\n') s++;
+  if (*s == 0) return s;
+  end = s + strlen(s) - 1;
+  while (end > s && (*end==' ' || *end=='\t' || *end=='\r' || *end=='\n')) end--;
+  end[1] = '\0';
+  return s;
+}
+
+static void parse_cmd_file(const char* filename, main_state* st) {
+  FILE* f = fopen(filename, "r");
+  if (f == NULL) {
+    printf("Command file '%s' not found. Using defaults.\n", filename);
+    return;
+  }
+  char line[512];
+  while (fgets(line, sizeof(line), f)) {
+    char* p = line;
+    char* comment = strstr(p, "//");
+    if (comment) *comment = '\0';
+    p = f_trim(p);
+    if (*p == '\0') continue;
+    char* field = strtok(p, "\t \r\n");
+    char* value = strtok(NULL, "\t \r\n");
+    if (!field || !value) continue;
+
+    if (strcmp(field, "run_mode") == 0) {
+      if (strcmp(value, "FINITE_RUN") == 0) {
+        st->run_mode = RUN_MODE_FINITE;
+      } else if (strcmp(value, "INF_RUN") == 0) {
+        st->run_mode = RUN_MODE_INF;
+      } else if (strcmp(value, "TEST") == 0) {
+        st->run_mode = RUN_MODE_TEST;
+      } else {
+        st->run_mode = RUN_MODE_TEST; // default on mismatch
+      }
+    } else if (strcmp(field, "BF_mode") == 0) {
+      if (strcmp(value, "TRANSPARENT") == 0) {
+        st->BF_mode = BF_MODE_TRANSPARENT;
+      } else if (strcmp(value, "AVG") == 0) {
         st->BF_mode = BF_MODE_AVG;
       } else if (strcmp(value, "FFT") == 0) {
-        st->BF_mode = BF_MODE_FFT;
-      } else {
-        st->BF_mode = BF_MODE_TRANSPARENT; // default on mismatch
-      }
-    } else if (strcmp(field, "BlackFin_mode") == 0) {
-      if (strcmp(value, "TRANSPARENT") == 0) {
-        st->BlackFin_mode = BFMODE_TRANSPARENT;
-      } else if (strcmp(value, "AVG") == 0) {
-        st->BlackFin_mode = BFMODE_AVG;
-      } else if (strcmp(value, "FFT") == 0) {
-        st->BlackFin_mode = BFMODE_FFT;
-      } else {
-        st->BlackFin_mode = BFMODE_TRANSPARENT; // default on mismatch
-      }
-    } else if (strcmp(field, "run_length") == 0) {
-      char* endp = NULL;
-      unsigned long v = strtoul(value, &endp, 0);
-      if (endp != value) st->run_length = (uint32_t)v;
-    } else if (strcmp(field, "runs_N") == 0) {
-      char* endp = NULL;
-      unsigned long v = strtoul(value, &endp, 0);
-      if (endp != value) st->runs_N = (uint32_t)v;
-    } else if (strcmp(field, "run_I") == 0) {
-      char* endp = NULL;
-      unsigned long v = strtoul(value, &endp, 0);
-      if (endp != value) st->run_I = (uint32_t)v;
-    } else if (strcmp(field, "data_path") == 0) {
-      strncpy(st->data_path, value, sizeof(st->data_path));
-      st->data_path[sizeof(st->data_path)-1] = '\0';
-    }
-  }
-  fclose(f);
-}
+        st->BF_mode = BF_MODE_FFT;
+      } else {
+        st->BF_mode = BF_MODE_TRANSPARENT; // default on mismatch
+      }
+    } else if (strcmp(field, "BlackFin_mode") == 0) {
+      if (strcmp(value, "TRANSPARENT") == 0) {
+        st->BlackFin_mode = BFMODE_TRANSPARENT;
+      } else if (strcmp(value, "AVG") == 0) {
+        st->BlackFin_mode = BFMODE_AVG;
+      } else if (strcmp(value, "FFT") == 0) {
+        st->BlackFin_mode = BFMODE_FFT;
+      } else {
+        st->BlackFin_mode = BFMODE_TRANSPARENT; // default on mismatch
+      }
+    } else if (strcmp(field, "run_length") == 0) {
+      char* endp = NULL;
+      unsigned long v = strtoul(value, &endp, 0);
+      if (endp != value) st->run_length = (uint32_t)v;
+    } else if (strcmp(field, "runs_N") == 0) {
+      char* endp = NULL;
+      unsigned long v = strtoul(value, &endp, 0);
+      if (endp != value) st->runs_N = (uint32_t)v;
+    } else if (strcmp(field, "run_I") == 0) {
+      char* endp = NULL;
+      unsigned long v = strtoul(value, &endp, 0);
+      if (endp != value) st->run_I = (uint32_t)v;
+    } else if (strcmp(field, "data_path") == 0) {
+      strncpy(st->data_path, value, sizeof(st->data_path));
+      st->data_path[sizeof(st->data_path)-1] = '\0';
+    }
+  }
+  fclose(f);
+}
 
-/* Unused SIGINT handler and flag removed */
+/* Unused SIGINT handler and flag removed */
 
 
 /* Функция находит все подключенные модули по интерфейсам PCI-Express и USB и
@@ -705,7 +705,7 @@ void receive_to_file(t_x502_hnd hnd, char* logfilename, uint32_t* inp_buff, uint
 //  fprintf(logfile_ptr, "0xFF00000 \n");
 
 //  uint32_t timeout = 100;
-  int32_t recv_Err_code = X502_Recv(hnd, inp_buff, max_total_words, timeout);
+  uint32_t recv_Err_code = X502_Recv(hnd, inp_buff, max_total_words, timeout);
   printf("receive code: %d\n", recv_Err_code);
 
   if (recv_Err_code > 0){
@@ -726,7 +726,6 @@ void receive_to_file(t_x502_hnd hnd, char* logfilename, uint32_t* inp_buff, uint
   }else if (recv_Err_code == 0){
 	  printf("no data received. timeout\n");
   }else{
-    sleep(1);
 	  printf("receive error: %d\n======================\n", recv_Err_code);
   }
 }
@@ -768,33 +767,33 @@ void receive_to_file(t_x502_hnd hnd, char* logfilename, uint32_t* inp_buff, uint
 
 
 
-int main(int argc, char** argv) {
+int main(int argc, char** argv) {
     int32_t err = X502_ERR_OK;
     uint32_t ver;
     t_x502_hnd hnd = NULL;
 
 
-    // читаем имя командного файла из аргументов CLI
-    const char* cmd_filename = "default.cmd";
-    if (argc > 1 && argv[1] != NULL && argv[1][0] != '\0') {
-        cmd_filename = argv[1];
-    }
+    // читаем имя командного файла из аргументов CLI
+    const char* cmd_filename = "default.cmd";
+    if (argc > 1 && argv[1] != NULL && argv[1][0] != '\0') {
+        cmd_filename = argv[1];
+    }
+
+    // получаем версию библиотеки //
+    ver = X502_GetLibraryVersion();
+    printf("Версия библиотеки: %d.%d.%d\n", (ver >> 24)&0xFF, (ver>>16)&0xFF, (ver>>8)&0xFF);
+    printf("Command file: %s\n", cmd_filename);
+
+    // загружаем состояние из командного файла
+    main_state state;
+    main_state_set_defaults(&state);
+    parse_cmd_file(cmd_filename, &state);
+    // отладочный вывод принятых значений
+    printf("Parsed state: run_mode=%d, BF_mode=%d, BlackFin_mode=%d, run_length=%u, runs_N=%u, run_I=%u, data_path=%s\n",
+           (int)state.run_mode, (int)state.BF_mode, (int)state.BlackFin_mode,
+           state.run_length, state.runs_N, state.run_I, state.data_path);
 
-    // получаем версию библиотеки //
-    ver = X502_GetLibraryVersion();
-    printf("Версия библиотеки: %d.%d.%d\n", (ver >> 24)&0xFF, (ver>>16)&0xFF, (ver>>8)&0xFF);
-    printf("Command file: %s\n", cmd_filename);
-
-    // загружаем состояние из командного файла
-    main_state state;
-    main_state_set_defaults(&state);
-    parse_cmd_file(cmd_filename, &state);
-    // отладочный вывод принятых значений
-    printf("Parsed state: run_mode=%d, BF_mode=%d, BlackFin_mode=%d, run_length=%u, runs_N=%u, run_I=%u, data_path=%s\n",
-           (int)state.run_mode, (int)state.BF_mode, (int)state.BlackFin_mode,
-           state.run_length, state.runs_N, state.run_I, state.data_path);
-
-/* Removed unused temporary buffers and FFT/LFSM placeholders */
+/* Removed unused temporary buffers and FFT/LFSM placeholders */
 
 
 
@@ -864,8 +863,8 @@ int main(int argc, char** argv) {
         }
 
 
-        printf("\n\n\n");
-
+        printf("\n\n\n");
+
         //setup ADC:
 
 
@@ -896,21 +895,21 @@ int main(int argc, char** argv) {
 		//		for(uint32_t wait_i = 1e6; wait_i; --wait_i){;}
 
 				printf("\nFlushed from receiving buff: %d\n", X502_FlushRcv_buff(hnd));
-
-				state.run_I = 0;
-				char tmp_data_filename[256];
-				struct timespec ts;
-				uint32_t max_total_words = 1000000;
+
+				state.run_I = 0;
+				char tmp_data_filename[256];
+				struct timespec ts;
+				uint32_t max_total_words = 1000000;
 				uint32_t *inp_buff = malloc(1024*100*1024*2*4);
-				uint32_t runs_since_streams_clean = 0;
-				while(state.run_I < state.runs_N){
-					max_total_words = 10000000;
-					timespec_get(&ts, TIME_UTC);
+				uint32_t runs_since_streams_clean = 0;
+				while(state.run_I < state.runs_N){
+					max_total_words = 10000000;
+					timespec_get(&ts, TIME_UTC);
 	//		    sprintf(&tmp_data_filename, "tmp/received_data_%ld.%ld.csv", ts.tv_sec, ts.tv_nsec);
 	//		    sprintf(&logfilename, "tmp/received_data_%ld.%ld.csv", ts.tv_sec, ts.tv_nsec);
 				//sprintf(&logfilename, "data/received_data_%ld.csv", seconds);
-					snprintf(tmp_data_filename, sizeof(tmp_data_filename), "%s/received_data_%ld.%ld.csv", state.data_path, ts.tv_sec, ts.tv_nsec);
-					printf("%u/%u dumping to file: %s\n", (unsigned)state.run_I, (unsigned)state.runs_N, tmp_data_filename);
+					snprintf(tmp_data_filename, sizeof(tmp_data_filename), "%s/received_data_%ld.%ld.csv", state.data_path, ts.tv_sec, ts.tv_nsec);
+					printf("%u/%u dumping to file: %s\n", (unsigned)state.run_I, (unsigned)state.runs_N, tmp_data_filename);
 					receive_to_file(hnd, tmp_data_filename, inp_buff,  max_total_words, state.run_length);
 					if (runs_since_streams_clean >= 10){
 						runs_since_streams_clean = 0;
@@ -918,13 +917,13 @@ int main(int argc, char** argv) {
 						X502_StreamsStart(hnd);
 					}
 					state.run_I++;
-					runs_since_streams_clean++;				  }
-				  free(inp_buff);
-					  X502_Close(hnd);
-					  // освобождаем описатель
-				  X502_Free(hnd);
-				  return 0;
-
+					runs_since_streams_clean++;				  }
+				  free(inp_buff);
+					  X502_Close(hnd);
+					  // освобождаем описатель
+				  X502_Free(hnd);
+				  return 0;
+
 			}else if (state.run_mode == RUN_MODE_INF){
 				if (state.BF_mode == BF_MODE_TRANSPARENT){
 					printf("\nStart transparent mode\n");
@@ -946,20 +945,20 @@ int main(int argc, char** argv) {
 
 
 				state.run_I = 0;
-				char tmp_data_filename[256];
+				char tmp_data_filename[256];
 				struct timespec ts;
 				uint32_t max_total_words = 10000000;
 				uint32_t *inp_buff = malloc(1024*100*1024*2*4);
 				uint32_t runs_since_streams_clean = 0;
 				while (1){ //should be infinite. because it is RUN_MODE_INF
-				//while(state.run_I < state.runs_N){
+				//while(state.run_I < state.runs_N){
 					max_total_words = 10000000;
 					timespec_get(&ts, TIME_UTC);
 	//		    sprintf(&tmp_data_filename, "tmp/received_data_%ld.%ld.csv", ts.tv_sec, ts.tv_nsec);
 	//		    sprintf(&logfilename, "tmp/received_data_%ld.%ld.csv", ts.tv_sec, ts.tv_nsec);
 				//sprintf(&logfilename, "data/received_data_%ld.csv", seconds);
-					snprintf(tmp_data_filename, sizeof(tmp_data_filename), "%s/received_data_%ld.%ld.csv", state.data_path, ts.tv_sec, ts.tv_nsec);
-						printf("%u dumping to file: %s\n", (unsigned)state.run_I, tmp_data_filename);
+					snprintf(tmp_data_filename, sizeof(tmp_data_filename), "%s/received_data_%ld.%ld.csv", state.data_path, ts.tv_sec, ts.tv_nsec);
+						printf("%u dumping to file: %s\n", (unsigned)state.run_I, tmp_data_filename);
 					receive_to_file(hnd, tmp_data_filename, inp_buff,  max_total_words, state.run_length);
 					if (runs_since_streams_clean >= 10){
 						runs_since_streams_clean = 0;
@@ -975,15 +974,15 @@ int main(int argc, char** argv) {
 				  X502_Free(hnd);
 				  return 0;
 
-			}else{ //TEST mode as default
+			}else{ //TEST mode as default
 
 
 
 
 				time_t seconds;
 				time(&seconds);
-				char logfilename[256];
-				snprintf(logfilename, sizeof(logfilename), "%s/received_data_%ld.csv", state.data_path, (long)seconds);
+				char logfilename[256];
+				snprintf(logfilename, sizeof(logfilename), "%s/received_data_%ld.csv", state.data_path, (long)seconds);
 				//logfile_ptr = fopen(logfilename, "w");
 				FILE *logfile_ptr;
 				logfile_ptr = fopen(logfilename, "a");
@@ -1023,7 +1022,7 @@ int main(int argc, char** argv) {
 				uint32_t *inp_buff = malloc(1024*100*1024*2*4);
 				double *adc_data = malloc(1024*1024*sizeof(double));
 				//uint32_t inp_buff[1024*2048] = {0,};
-				/* Removed unused counters */
+				/* Removed unused counters */
 
 
 				insert_marker_to_file(logfilename, "start transparent");
@@ -1036,10 +1035,10 @@ int main(int argc, char** argv) {
 				printf("receiving data...\n");
 
 
-				/* Removed unused readiness checks */
+				/* Removed unused readiness checks */
 
-				uint32_t max_total_words = 100000;
-				/* Removed unused data_receive_trys_counter */
+				uint32_t max_total_words = 100000;
+				/* Removed unused data_receive_trys_counter */
 		//		printf("\nflush TX buff. \n Number of free TX descriptors before flushing:");
 		//		BF_exec_cmd_simple(hnd, 0x8010, 10, 1);
 
@@ -1093,7 +1092,7 @@ int main(int argc, char** argv) {
 				//fprintf(logfile_ptr, "value number; time, sec; adc_value, V\n");
 
 
-				max_total_words = 100000;
+				max_total_words = 100000;
 
 				//printf("\n dbg value:  ");
 				//BF_exec_cmd_simple(hnd, 0x800A, 10, 1);

pipe_reader_test.py

@@ -1,66 +0,0 @@
-#!/usr/bin/env python3
-"""
-Test script to read radar data from named pipe (FIFO)
-
-This script demonstrates how to read binary data from the named pipe
-created by the radar acquisition program.
-"""
-
-import struct
-import sys
-import os
-
-def read_from_pipe(pipe_path="/tmp/radar_data_pipe"):
-    """
-    Read uint32_t data from named pipe
-
-    Args:
-        pipe_path: Path to the named pipe (FIFO)
-    """
-    print(f"Opening pipe: {pipe_path}")
-    print("Waiting for radar data...")
-
-    try:
-        # Open pipe for reading (this will block until writer connects)
-        with open(pipe_path, 'rb') as pipe:
-            print("Connected to pipe! Reading data...")
-
-            word_count = 0
-            while True:
-                # Read 4 bytes (one uint32_t)
-                data = pipe.read(4)
-
-                if not data:
-                    print("\nEnd of stream or pipe closed")
-                    break
-
-                if len(data) < 4:
-                    print(f"\nWarning: incomplete data read ({len(data)} bytes)")
-                    break
-
-                # Unpack as uint32_t (little-endian)
-                value = struct.unpack('<I', data)[0]
-
-                # Print first 10 values and then every 1000th value
-                if word_count < 10 or word_count % 1000 == 0:
-                    print(f"Word {word_count}: 0x{value:08X} ({value})")
-
-                word_count += 1
-
-                # Optional: process the data here
-                # For example, convert to voltage, apply filters, etc.
-
-            print(f"\nTotal words received: {word_count}")
-
-    except KeyboardInterrupt:
-        print("\n\nInterrupted by user")
-        print(f"Total words received: {word_count}")
-    except FileNotFoundError:
-        print(f"Error: Pipe {pipe_path} does not exist")
-        print("Make sure the radar acquisition program is running first")
-    except Exception as e:
-        print(f"Error reading from pipe: {e}")
-
-if __name__ == "__main__":
-    pipe_path = sys.argv[1] if len(sys.argv) > 1 else "/tmp/radar_data_pipe"
-    read_from_pipe(pipe_path)

run_cyclic

@@ -1,3 +1,4 @@
 #!/usr/bin/bash
-# sudo mount -t tmpfs -o size=1G tmpfs tmp
-./BF_companion long_trace_AVG_RPI.cmd 
+sudo mount -t tmpfs -o size=1G tmpfs tmp
+./BF_companion 100 #should generate approx 500 MB of data by running 10 secs
+rm tmp/*