diff --git a/cores/nRF5/common_func.h b/cores/nRF5/common_func.h
index 71e1fd65c..be9a868e6 100644
--- a/cores/nRF5/common_func.h
+++ b/cores/nRF5/common_func.h
@@ -116,6 +116,13 @@
 //--------------------------------------------------------------------+
 const char* dbg_err_str(int32_t err_id); // TODO move to other place
 
+#if __cplusplus
+#define PRINTF    ::printf
+#else
+#define PRINTF    printf
+#endif
+
+
 #if CFG_DEBUG
 #define LOG_LV1(...)          ADALOG(__VA_ARGS__)
 #define LOG_LV1_BUFFER(...)   ADALOG_BUFFER(__VA_ARGS__)
@@ -134,15 +141,9 @@ const char* dbg_err_str(int32_t err_id); // TODO move to other place
 
 #if CFG_DEBUG
 
-#if __cplusplus
-#define PRINTF    ::printf
-#else
-#define PRINTF    printf
-#endif
-
 #define PRINT_LOCATION()      PRINTF("%s: %d:\n", __PRETTY_FUNCTION__, __LINE__)
 #define PRINT_MESS(x)         PRINTF("%s: %d: %s \n"   , __FUNCTION__, __LINE__, (char*)(x))
-#define PRTNT_HEAP()          if (CFG_DEBUG == 3) PRINTF("\n%s: %d: Heap free: %d\n", __FUNCTION__, __LINE__, util_heap_get_free_size())
+#define PRTNT_HEAP()          if (CFG_DEBUG >= 3) PRINTF("\n%s: %d: Heap free: %d\n", __FUNCTION__, __LINE__, util_heap_get_free_size())
 #define PRINT_STR(x)          PRINTF("%s: %d: " #x " = %s\n"   , __FUNCTION__, __LINE__, (char*)(x) )
 #define PRINT_INT(x)          PRINTF("%s: %d: " #x " = %ld\n"  , __FUNCTION__, __LINE__, (uint32_t) (x) )
 #define PRINT_FLOAT(x)        PRINTF("%s: %d: " #x " = %f\n"  , __FUNCTION__, __LINE__, (float) (x) )
diff --git a/cores/nRF5/utility/debug.cpp b/cores/nRF5/utility/debug.cpp
index 4bbe866ae..33118c30c 100644
--- a/cores/nRF5/utility/debug.cpp
+++ b/cores/nRF5/utility/debug.cpp
@@ -39,6 +39,7 @@
 #include <malloc.h>
 #include <Arduino.h>
 #include <ctype.h>
+#include <common_func.h>
 
 // defined in linker script
 extern uint32_t __data_start__[];
@@ -106,14 +107,14 @@ static void printMemRegion(const char* name, uint32_t top, uint32_t bottom, uint
     sprintf(buffer, "%lu", top-bottom);
   }
 
-  printf("| %-5s| 0x%04X - 0x%04X | %-19s |\n", name, (uint16_t) bottom, (uint16_t) (top-1), buffer);
+  PRINTF("| %-5s| 0x%04X - 0x%04X | %-19s |\n", name, (uint16_t) bottom, (uint16_t) (top-1), buffer);
 }
 
 void dbgMemInfo(void)
 {
-  printf(" ______________________________________________\n");
-  printf("| Name | Addr 0x2000xxxx | Usage               |\n");
-  printf("| ---------------------------------------------|\n");
+  PRINTF(" ______________________________________________\n");
+  PRINTF("| Name | Addr 0x2000xxxx | Usage               |\n");
+  PRINTF("| ---------------------------------------------|\n");
 
   // Pritn SRAM used for Stack executed by Softdevice and ISR
   printMemRegion("Stack", ((uint32_t) __StackTop), ((uint32_t) __StackLimit), dbgStackUsed() );
@@ -127,8 +128,8 @@ void dbgMemInfo(void)
   // Print SRAM Used by SoftDevice
   printMemRegion("SD", (uint32_t) __data_start__, 0x20000000, 0);
 
-  printf("|______________________________________________|\n");
-  printf("\n");
+  PRINTF("|______________________________________________|\n");
+  PRINTF("\n");
 
   // Print Task list
   uint32_t tasknum = uxTaskGetNumberOfTasks();
@@ -136,20 +137,20 @@ void dbgMemInfo(void)
 
   vTaskList(buf);
 
-  printf("Task    State   Prio  StackLeft Num\n");
-  printf("-----------------------------------\n");
-  printf(buf);
-  printf("\n");
+  PRINTF("Task    State   Prio  StackLeft Num\n");
+  PRINTF("-----------------------------------\n");
+  PRINTF(buf);
+  PRINTF("\n");
   rtos_free(buf);
 }
 
 void dbgPrintVersion(void)
 {
-  printf("\n");
-  printf("BSP Library : " ARDUINO_BSP_VERSION "\n");
-  printf("Bootloader  : %s\n", getBootloaderVersion());
-  printf("Serial No   : %s\n", getMcuUniqueID());
-  printf("\n");
+  PRINTF("\n");
+  PRINTF("BSP Library : " ARDUINO_BSP_VERSION "\n");
+  PRINTF("Bootloader  : %s\n", getBootloaderVersion());
+  PRINTF("Serial No   : %s\n", getMcuUniqueID());
+  PRINTF("\n");
 }
 
 /******************************************************************************/
@@ -163,7 +164,7 @@ static void dump_str_line(uint8_t const* buf, uint16_t count)
   for(int i=0; i<count; i++)
   {
     const char ch = buf[i];
-    printf("%c", isprint(ch) ? ch : '.');
+    PRINTF("%c", isprint(ch) ? ch : '.');
   }
 }
 
@@ -171,7 +172,7 @@ void dbgDumpMemory(void const *buf, uint8_t size, uint16_t count, bool printOffs
 {
   if ( !buf || !count )
   {
-    printf("NULL\n");
+    PRINTF("NULL\n");
     return;
   }
 
@@ -191,26 +192,26 @@ void dbgDumpMemory(void const *buf, uint8_t size, uint16_t count, bool printOffs
       // Print Ascii
       if ( i != 0 )
       {
-        printf(" | ");
+        PRINTF(" | ");
         dump_str_line(buf8-16, 16);
-        printf("\n");
+        PRINTF("\n");
       }
 
       // print offset or absolute address
       if (printOffset)
       {
-        printf("%03lX: ", 16*i/item_per_line);
+        PRINTF("%03lX: ", 16*i/item_per_line);
       }else
       {
-        printf("%08lX:", (uint32_t) buf8);
+        PRINTF("%08lX:", (uint32_t) buf8);
       }
     }
 
     memcpy(&value, buf8, size);
     buf8 += size;
 
-    printf(" ");
-    printf(format, value);
+    PRINTF(" ");
+    PRINTF(format, value);
   }
 
   // fill up last row to 16 for printing ascii
@@ -221,16 +222,16 @@ void dbgDumpMemory(void const *buf, uint8_t size, uint16_t count, bool printOffs
   {
     for(int i=0; i< 16-remain; i++)
     {
-      printf(" ");
-      for(int j=0; j<2*size; j++) printf(" ");
+      PRINTF(" ");
+      for(int j=0; j<2*size; j++) PRINTF(" ");
     }
   }
 
-  printf(" | ");
+  PRINTF(" | ");
   dump_str_line(buf8-nback, nback);
-  printf("\n");
+  PRINTF("\n");
 
-  printf("\n");
+  PRINTF("\n");
 }
 
 
@@ -238,11 +239,11 @@ void dbgDumpMemoryCFormat(const char* str, void const *buf, uint16_t count)
 {
   if ( !buf )
   {
-    printf("NULL\n");
+    PRINTF("NULL\n");
     return;
   }
 
-  printf("%s = \n{\n  ", str);
+  PRINTF("%s = \n{\n  ", str);
 
   uint8_t const *buf8 = (uint8_t const *) buf;
 
@@ -250,17 +251,17 @@ void dbgDumpMemoryCFormat(const char* str, void const *buf, uint16_t count)
   {
     if ( i%16 == 0 )
     {
-      if ( i != 0 ) printf(",\n  ");
+      if ( i != 0 ) PRINTF(",\n  ");
     }else
     {
-      if ( i != 0 ) printf(", ");
+      if ( i != 0 ) PRINTF(", ");
     }
 
-    printf("0x%02X", *buf8);
+    PRINTF("0x%02X", *buf8);
     buf8++;
   }
 
-  printf("\n};\n");
+  PRINTF("\n};\n");
 }
 
 
diff --git a/cores/nRF5/verify.h b/cores/nRF5/verify.h
index b9114547b..f91514061 100644
--- a/cores/nRF5/verify.h
+++ b/cores/nRF5/verify.h
@@ -60,16 +60,16 @@ extern "C"
   #define VERIFY_MESS(_status, _functstr) VERIFY_MESS_impl(_status, _functstr, __PRETTY_FUNCTION__, __LINE__)
   static inline void VERIFY_MESS_impl(int32_t _status, const char* (*_fstr)(int32_t), const char* func_name, int line_number)
   {
-      printf("%s: %d: verify failed, error = ", func_name, line_number);
+      PRINTF("%s: %d: verify failed, error = ", func_name, line_number);
       if (_fstr)
       {
-        printf(_fstr(_status));
+        PRINTF(_fstr(_status));
       }
       else
       {
-        printf("%ld", _status);
+        PRINTF("%ld", _status);
       }
-      printf("\n");
+      PRINTF("\n");
   }
 #else
   #define VERIFY_MESS(_status, _funcstr)
diff --git a/libraries/Adafruit_LittleFS/src/littlefs/lfs_util.h b/libraries/Adafruit_LittleFS/src/littlefs/lfs_util.h
index 7f74de3e7..953e4bd8e 100644
--- a/libraries/Adafruit_LittleFS/src/littlefs/lfs_util.h
+++ b/libraries/Adafruit_LittleFS/src/littlefs/lfs_util.h
@@ -56,21 +56,21 @@ extern "C"
 // Logging functions
 #ifndef LFS_NO_DEBUG
 #define LFS_DEBUG(fmt, ...) \
-    printf("lfs debug:%d: " fmt "\n", __LINE__, __VA_ARGS__)
+    PRINTF("lfs debug:%d: " fmt "\n", __LINE__, __VA_ARGS__)
 #else
 #define LFS_DEBUG(fmt, ...)
 #endif
 
 #ifndef LFS_NO_WARN
 #define LFS_WARN(fmt, ...) \
-    printf("lfs warn:%d: " fmt "\n", __LINE__, __VA_ARGS__)
+    PRINTF("lfs warn:%d: " fmt "\n", __LINE__, __VA_ARGS__)
 #else
 #define LFS_WARN(fmt, ...)
 #endif
 
 #ifndef LFS_NO_ERROR
 #define LFS_ERROR(fmt, ...) \
-    printf("lfs error:%d: " fmt "\n", __LINE__, __VA_ARGS__)
+    PRINTF("lfs error:%d: " fmt "\n", __LINE__, __VA_ARGS__)
 #else
 #define LFS_ERROR(fmt, ...)
 #endif
diff --git a/libraries/BLEAdafruitService/src/services/BLEAdafruitQuaternion.cpp b/libraries/BLEAdafruitService/src/services/BLEAdafruitQuaternion.cpp
index a53436c27..a38fc633b 100644
--- a/libraries/BLEAdafruitService/src/services/BLEAdafruitQuaternion.cpp
+++ b/libraries/BLEAdafruitService/src/services/BLEAdafruitQuaternion.cpp
@@ -134,7 +134,9 @@ void BLEAdafruitQuaternion::_update_timer(int32_t ms)
 #if CFG_DEBUG
 static void print_quaternion(float quater[4])
 {
-  Serial.printf("Quaternion: %.04f, %.04f, %.04f, %.04f\n", quater[0], quater[1], quater[2], quater[3]);
+  // prepare for ability to change output, based on compile-time flags
+  Print& logger = Serial;
+  logger.printf("Quaternion: %.04f, %.04f, %.04f, %.04f\n", quater[0], quater[1], quater[2], quater[3]);
 }
 #endif
 
diff --git a/libraries/Bluefruit52Lib/src/BLEPeriph.cpp b/libraries/Bluefruit52Lib/src/BLEPeriph.cpp
index 303cf478e..bd4894ec5 100644
--- a/libraries/Bluefruit52Lib/src/BLEPeriph.cpp
+++ b/libraries/Bluefruit52Lib/src/BLEPeriph.cpp
@@ -151,14 +151,16 @@ void BLEPeriph::_eventHandler(ble_evt_t* evt)
 void BLEPeriph::printInfo(void)
 {
   char const * title_fmt = "%-16s: ";
+  // prepare for ability to change output, based on compile-time flags
+  Print& logger = Serial;
 
-  Serial.printf(title_fmt, "Conn Intervals");
-  Serial.printf("min = %.2f ms, ", _ppcp.min_conn_interval*1.25f);
-  Serial.printf("max = %.2f ms", _ppcp.max_conn_interval*1.25f);
-  Serial.println();
+  logger.printf(title_fmt, "Conn Intervals");
+  logger.printf("min = %.2f ms, ", _ppcp.min_conn_interval*1.25f);
+  logger.printf("max = %.2f ms", _ppcp.max_conn_interval*1.25f);
+  logger.println();
 
-  Serial.printf(title_fmt, "Conn Timeout");
-  Serial.printf("%d ms", _ppcp.conn_sup_timeout*10);
-  Serial.println();
+  logger.printf(title_fmt, "Conn Timeout");
+  logger.printf("%d ms", _ppcp.conn_sup_timeout*10);
+  logger.println();
 }
 
diff --git a/libraries/Bluefruit52Lib/src/bluefruit.cpp b/libraries/Bluefruit52Lib/src/bluefruit.cpp
index 4593aca17..363ab68d1 100644
--- a/libraries/Bluefruit52Lib/src/bluefruit.cpp
+++ b/libraries/Bluefruit52Lib/src/bluefruit.cpp
@@ -971,120 +971,122 @@ void AdafruitBluefruit::printInfo(void)
 {
   // Skip if Serial is not initialised
   if ( !Serial ) return;
+  // prepare for ability to change output, based on compile-time flags
+  Print& logger = Serial;
 
   // Skip if Bluefruit.begin() is not called
   if ( _ble_event_sem == NULL ) return;
 
-  Serial.println("--------- SoftDevice Config ---------");
+  logger.println("--------- SoftDevice Config ---------");
 
   char const * title_fmt = "%-16s: ";
 
   /*------------- SoftDevice Config -------------*/
   // Max uuid128
-  Serial.printf(title_fmt, "Max UUID128");
-  Serial.println(_sd_cfg.uuid128_max);
+  logger.printf(title_fmt, "Max UUID128");
+  logger.println(_sd_cfg.uuid128_max);
 
   // ATTR Table Size
-  Serial.printf(title_fmt, "ATTR Table Size");
-  Serial.println(_sd_cfg.attr_table_size);
+  logger.printf(title_fmt, "ATTR Table Size");
+  logger.println(_sd_cfg.attr_table_size);
 
   // Service Changed
-  Serial.printf(title_fmt, "Service Changed");
-  Serial.println(_sd_cfg.service_changed);
+  logger.printf(title_fmt, "Service Changed");
+  logger.println(_sd_cfg.service_changed);
 
   if ( _prph_count )
   {
-    Serial.println("Peripheral Connect Setting");
+    logger.println("Peripheral Connect Setting");
 
-    Serial.print("  - ");
-    Serial.printf(title_fmt, "Max MTU");
-    Serial.println(_sd_cfg.prph.mtu_max);
+    logger.print("  - ");
+    logger.printf(title_fmt, "Max MTU");
+    logger.println(_sd_cfg.prph.mtu_max);
 
-    Serial.print("  - ");
-    Serial.printf(title_fmt, "Event Length");
-    Serial.println(_sd_cfg.prph.event_len);
+    logger.print("  - ");
+    logger.printf(title_fmt, "Event Length");
+    logger.println(_sd_cfg.prph.event_len);
 
-    Serial.print("  - ");
-    Serial.printf(title_fmt, "HVN Queue Size");
-    Serial.println(_sd_cfg.prph.hvn_qsize);
+    logger.print("  - ");
+    logger.printf(title_fmt, "HVN Queue Size");
+    logger.println(_sd_cfg.prph.hvn_qsize);
 
-    Serial.print("  - ");
-    Serial.printf(title_fmt, "WrCmd Queue Size");
-    Serial.println(_sd_cfg.prph.wrcmd_qsize);
+    logger.print("  - ");
+    logger.printf(title_fmt, "WrCmd Queue Size");
+    logger.println(_sd_cfg.prph.wrcmd_qsize);
   }
 
   if ( _central_count )
   {
-    Serial.println("Central Connect Setting");
+    logger.println("Central Connect Setting");
 
-    Serial.print("  - ");
-    Serial.printf(title_fmt, "Max MTU");
-    Serial.println(_sd_cfg.central.mtu_max);
+    logger.print("  - ");
+    logger.printf(title_fmt, "Max MTU");
+    logger.println(_sd_cfg.central.mtu_max);
 
-    Serial.print("  - ");
-    Serial.printf(title_fmt, "Event Length");
-    Serial.println(_sd_cfg.central.event_len);
+    logger.print("  - ");
+    logger.printf(title_fmt, "Event Length");
+    logger.println(_sd_cfg.central.event_len);
 
-    Serial.print("  - ");
-    Serial.printf(title_fmt, "HVN Queue Size");
-    Serial.println(_sd_cfg.central.hvn_qsize);
+    logger.print("  - ");
+    logger.printf(title_fmt, "HVN Queue Size");
+    logger.println(_sd_cfg.central.hvn_qsize);
 
-    Serial.print("  - ");
-    Serial.printf(title_fmt, "WrCmd Queue Size");
-    Serial.println(_sd_cfg.central.wrcmd_qsize);
+    logger.print("  - ");
+    logger.printf(title_fmt, "WrCmd Queue Size");
+    logger.println(_sd_cfg.central.wrcmd_qsize);
   }
 
   /*------------- Settings -------------*/
-  Serial.println("\n--------- BLE Settings ---------");
+  logger.println("\n--------- BLE Settings ---------");
   // Name
-  Serial.printf(title_fmt, "Name");
+  logger.printf(title_fmt, "Name");
   {
     char name[32];
     memclr(name, sizeof(name));
     getName(name, sizeof(name));
-    Serial.printf(name);
+    logger.printf(name);
   }
-  Serial.println();
+  logger.println();
 
   // Max Connections
-  Serial.printf(title_fmt, "Max Connections");
-  Serial.printf("Peripheral = %d, ", _prph_count);
-  Serial.printf("Central = %d ", _central_count);
-  Serial.println();
+  logger.printf(title_fmt, "Max Connections");
+  logger.printf("Peripheral = %d, ", _prph_count);
+  logger.printf("Central = %d ", _central_count);
+  logger.println();
 
   // Address
-  Serial.printf(title_fmt, "Address");
+  logger.printf(title_fmt, "Address");
   {
     char const * type_str[] = { "Public", "Static", "Private Resolvable", "Private Non Resolvable" };
     ble_gap_addr_t gap_addr = this->getAddr();
 
     // MAC is in little endian --> print reverse
-    Serial.printBufferReverse(gap_addr.addr, 6, ':');
-    Serial.printf(" (%s)", type_str[gap_addr.addr_type]);
+    logger.printBufferReverse(gap_addr.addr, 6, ':');
+    logger.printf(" (%s)", type_str[gap_addr.addr_type]);
   }
-  Serial.println();
+  logger.println();
 
   // Tx Power
-  Serial.printf(title_fmt, "TX Power");
-  Serial.printf("%d dBm", _tx_power);
-  Serial.println();
+  logger.printf(title_fmt, "TX Power");
+  logger.printf("%d dBm", _tx_power);
+  logger.println();
 
   Periph.printInfo();
 
   /*------------- List the paried device -------------*/
   if ( _prph_count )
   {
-    Serial.printf(title_fmt, "Peripheral Paired Devices");
-    Serial.println();
+    logger.printf(title_fmt, "Peripheral Paired Devices");
+    logger.println();
     bond_print_list(BLE_GAP_ROLE_PERIPH);
   }
 
   if ( _central_count )
   {
-    Serial.printf(title_fmt, "Central Paired Devices");
-    Serial.println();
+    logger.printf(title_fmt, "Central Paired Devices");
+    logger.println();
     bond_print_list(BLE_GAP_ROLE_CENTRAL);
   }
 
-  Serial.println();
+  logger.println();
 }
diff --git a/libraries/Bluefruit52Lib/src/utility/bonding.cpp b/libraries/Bluefruit52Lib/src/utility/bonding.cpp
index 9783ac5d2..5c5f666aa 100644
--- a/libraries/Bluefruit52Lib/src/utility/bonding.cpp
+++ b/libraries/Bluefruit52Lib/src/utility/bonding.cpp
@@ -250,14 +250,14 @@ void bond_print_list(uint8_t role)
         char devname[len];
         file.read(devname, len);
 
-        printf("  %s : %s (%lu bytes)\n", file.name(), devname, file.size());
+        PRINTF("  %s : %s (%lu bytes)\n", file.name(), devname, file.size());
       }
     }
 
     file.close();
   }
 
-  printf("\n");
+  PRINTF("\n");
 
   file.close();
   dir.close();
diff --git a/platform.txt b/platform.txt
index 5d16d6ef9..a0897725d 100644
--- a/platform.txt
+++ b/platform.txt
@@ -51,13 +51,16 @@ compiler.size.cmd=arm-none-eabi-size
 # this can be overriden in boards.txt
 build.float_flags=-mfloat-abi=hard -mfpu=fpv4-sp-d16 -u _printf_float
 build.debug_flags=-DCFG_DEBUG=0
+build.logger_flags=-DCFG_LOGGER=1
+build.sysview_flags=-DCFG_SYSVIEW=0
 
 # common compiler for nrf
 rtos.path={build.core.path}/freertos
 nordic.path={build.core.path}/nordic
 
-
-build.flags.nrf= -DSOFTDEVICE_PRESENT -DARDUINO_NRF52_ADAFRUIT -DNRF52_SERIES -DLFS_NAME_MAX=64 -Ofast {build.debug_flags} "-I{build.core.path}/cmsis/include" "-I{nordic.path}" "-I{nordic.path}/nrfx" "-I{nordic.path}/nrfx/hal" "-I{nordic.path}/nrfx/mdk" "-I{nordic.path}/nrfx/soc" "-I{nordic.path}/nrfx/drivers/include" "-I{nordic.path}/nrfx/drivers/src" "-I{nordic.path}/softdevice/{build.sd_name}_nrf52_{build.sd_version}_API/include" "-I{rtos.path}/Source/include" "-I{rtos.path}/config" "-I{rtos.path}/portable/GCC/nrf52" "-I{rtos.path}/portable/CMSIS/nrf52" "-I{build.core.path}/sysview/SEGGER" "-I{build.core.path}/sysview/Config" "-I{build.core.path}/TinyUSB" "-I{build.core.path}/TinyUSB/Adafruit_TinyUSB_ArduinoCore" "-I{build.core.path}/TinyUSB/Adafruit_TinyUSB_ArduinoCore/tinyusb/src"
+# build.logger_flags and build.sysview_flags and intentionally empty,
+# to allow modification via a user's own boards.local.txt or platform.local.txt files.
+build.flags.nrf= -DSOFTDEVICE_PRESENT -DARDUINO_NRF52_ADAFRUIT -DNRF52_SERIES -DLFS_NAME_MAX=64 -Ofast {build.debug_flags} {build.logger_flags} {build.sysview_flags} "-I{build.core.path}/cmsis/include" "-I{nordic.path}" "-I{nordic.path}/nrfx" "-I{nordic.path}/nrfx/hal" "-I{nordic.path}/nrfx/mdk" "-I{nordic.path}/nrfx/soc" "-I{nordic.path}/nrfx/drivers/include" "-I{nordic.path}/nrfx/drivers/src" "-I{nordic.path}/softdevice/{build.sd_name}_nrf52_{build.sd_version}_API/include" "-I{rtos.path}/Source/include" "-I{rtos.path}/config" "-I{rtos.path}/portable/GCC/nrf52" "-I{rtos.path}/portable/CMSIS/nrf52" "-I{build.core.path}/sysview/SEGGER" "-I{build.core.path}/sysview/Config" "-I{build.core.path}/TinyUSB" "-I{build.core.path}/TinyUSB/Adafruit_TinyUSB_ArduinoCore" "-I{build.core.path}/TinyUSB/Adafruit_TinyUSB_ArduinoCore/tinyusb/src"
 
 # usb flags
 build.flags.usb= -DUSBCON -DUSE_TINYUSB -DUSB_VID={build.vid} -DUSB_PID={build.pid} '-DUSB_MANUFACTURER={build.usb_manufacturer}' '-DUSB_PRODUCT={build.usb_product}'
@@ -147,3 +150,4 @@ tools.bootburn.bootloader.pattern={program.burn_pattern}
 tools.bootburn.erase.params.verbose=
 tools.bootburn.erase.params.quiet=
 tools.bootburn.erase.pattern=
+