Merge pull request #3625 from jbrazio/feature/print-counter

Print job statistics
This commit is contained in:
Scott Lahteine 2016-04-29 15:31:14 -07:00
commit c3ef9993b9
24 changed files with 616 additions and 9 deletions

View file

@ -199,6 +199,12 @@ script:
- opt_set_adv Z2_MAX_PIN 2
- build_marlin
#
# Test PRINTCOUNTER
#
- restore_configs
- opt_enable PRINTCOUNTER
- build_marlin
#
#
######## Example Configurations ##############
#

View file

@ -757,6 +757,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 110
#define ABS_PREHEAT_FAN_SPEED 0 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -65,7 +65,11 @@ typedef unsigned long millis_t;
#include "WString.h"
#include "stopwatch.h"
#if ENABLED(PRINTCOUNTER)
#include "printcounter.h"
#else
#include "stopwatch.h"
#endif
#ifdef USBCON
#if ENABLED(BLUETOOTH)
@ -364,7 +368,11 @@ extern bool axis_homed[3]; // axis[n].is_homed
#endif
// Print job timer
extern Stopwatch print_job_timer;
#if ENABLED(PRINTCOUNTER)
extern PrintCounter print_job_timer;
#else
extern Stopwatch print_job_timer;
#endif
// Handling multiple extruders pins
extern uint8_t active_extruder;

View file

@ -137,6 +137,10 @@
* M33 - Get the longname version of a path
* M42 - Change pin status via gcode Use M42 Px Sy to set pin x to value y, when omitting Px the onboard led will be used.
* M48 - Measure Z_Probe repeatability. M48 [P # of points] [X position] [Y position] [V_erboseness #] [E_ngage Probe] [L # of legs of travel]
* M75 - Start the print job timer
* M76 - Pause the print job timer
* M77 - Stop the print job timer
* M78 - Show statistical information about the print jobs
* M80 - Turn on Power Supply
* M81 - Turn off Power Supply
* M82 - Set E codes absolute (default)
@ -327,7 +331,11 @@ static millis_t max_inactive_time = 0;
static millis_t stepper_inactive_time = (DEFAULT_STEPPER_DEACTIVE_TIME) * 1000UL;
// Print Job Timer
Stopwatch print_job_timer = Stopwatch();
#if ENABLED(PRINTCOUNTER)
PrintCounter print_job_timer = PrintCounter();
#else
Stopwatch print_job_timer = Stopwatch();
#endif
static uint8_t target_extruder;
@ -4252,6 +4260,15 @@ inline void gcode_M77() {
print_job_timer.stop();
}
#if ENABLED(PRINTCOUNTER)
/*+
* M78: Show print statistics
*/
inline void gcode_M78() {
print_job_timer.showStats();
}
#endif
/**
* M104: Set hot end temperature
*/
@ -6641,6 +6658,12 @@ void process_next_command() {
gcode_M77();
break;
#if ENABLED(PRINTCOUNTER)
case 78: // Show print statistics
gcode_M78();
break;
#endif
#if ENABLED(M100_FREE_MEMORY_WATCHER)
case 100:
gcode_M100();
@ -7755,6 +7778,9 @@ void idle(
);
host_keepalive();
lcd_update();
#if ENABLED(PRINTCOUNTER)
print_job_timer.tick();
#endif
}
/**

View file

@ -739,6 +739,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -748,6 +748,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -750,6 +750,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 110
#define ABS_PREHEAT_FAN_SPEED 0 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -773,6 +773,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 60 // K8200: set back to 110 if you have an upgraded heatbed power supply
#define ABS_PREHEAT_FAN_SPEED 0 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -756,6 +756,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 110
#define ABS_PREHEAT_FAN_SPEED 0 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -1,4 +1,4 @@
/**
f/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
@ -751,6 +751,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 110
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -764,6 +764,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -777,6 +777,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 110
#define ABS_PREHEAT_FAN_SPEED 0 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -748,6 +748,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -756,6 +756,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 110
#define ABS_PREHEAT_FAN_SPEED 0 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -885,6 +885,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -885,6 +885,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -889,6 +889,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -882,6 +882,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -890,6 +890,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -759,6 +759,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

View file

@ -750,6 +750,19 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
#define ABS_PREHEAT_HPB_TEMP 100
#define ABS_PREHEAT_FAN_SPEED 255 // Insert Value between 0 and 255
//
// Print Counter
//
// When enabled Marlin will keep track of some print statistical data such as:
// - Total print jobs
// - Total successful print jobs
// - Total failed print jobs
// - Total time printing
//
// This information can be viewed by the M78 command.
//#define PRINTCOUNTER
//=============================================================================
//============================= LCD and SD support ============================
//=============================================================================

179
Marlin/printcounter.cpp Normal file
View file

@ -0,0 +1,179 @@
/*
* Marlin 3D Printer Firmware
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "Marlin.h"
#include "printcounter.h"
#include <avr/eeprom.h>
PrintCounter::PrintCounter(): super() {
this->loadStats();
}
uint16_t PrintCounter::deltaDuration() {
#if ENABLED(DEBUG_PRINTCOUNTER)
PrintCounter::debug(PSTR("deltaDuration"));
#endif
uint16_t tmp = this->lastDuration;
this->lastDuration = this->duration();
return this->lastDuration - tmp;
}
bool PrintCounter::isLoaded() {
return this->loaded;
}
void PrintCounter::initStats() {
#if ENABLED(DEBUG_PRINTCOUNTER)
PrintCounter::debug(PSTR("initStats"));
#endif
this->loaded = true;
this->data = { 0, 0, 0, 0 };
this->saveStats();
eeprom_write_byte((uint8_t *) this->address, 0x16);
}
void PrintCounter::loadStats() {
#if ENABLED(DEBUG_PRINTCOUNTER)
PrintCounter::debug(PSTR("loadStats"));
#endif
// Checks if the EEPROM block is initialized
if (eeprom_read_byte((uint8_t *) this->address) != 0x16) this->initStats();
else eeprom_read_block(&this->data, (void *)(this->address + sizeof(uint8_t)), sizeof(printStatistics));
this->loaded = true;
}
void PrintCounter::saveStats() {
#if ENABLED(DEBUG_PRINTCOUNTER)
PrintCounter::debug(PSTR("saveStats"));
#endif
// Refuses to save data is object is not loaded
if (!this->isLoaded()) return;
eeprom_update_block(&this->data, (void *)(this->address + sizeof(uint8_t)), sizeof(printStatistics));
}
void PrintCounter::showStats() {
SERIAL_ECHOPGM("Print statistics: Total: ");
SERIAL_ECHO(this->data.totalPrints);
SERIAL_ECHOPGM(", Finished: ");
SERIAL_ECHO(this->data.finishedPrints);
SERIAL_ECHOPGM(", Failed: ");
SERIAL_ECHO(this->data.totalPrints - this->data.finishedPrints
- (this->isRunning() || this->isPaused()) ? 1 : 0); // Removes 1 from failures with an active counter
uint32_t t = this->data.printTime /60;
SERIAL_ECHOPGM(", Total print time: ");
SERIAL_ECHO(t / 60);
SERIAL_ECHOPGM("h ");
SERIAL_ECHO(t % 60);
SERIAL_ECHOPGM("min");
#if ENABLED(DEBUG_PRINTCOUNTER)
SERIAL_ECHOPGM(" (");
SERIAL_ECHO(this->data.printTime);
SERIAL_ECHOPGM(")");
#endif
// @todo longestPrint missing implementation
SERIAL_EOL;
}
void PrintCounter::tick() {
if (!this->isRunning()) return;
static uint32_t update_before = millis(),
eeprom_before = millis();
uint32_t now = millis();
// Trying to get the amount of calculations down to the bare min
const static uint16_t i = this->updateInterval * 1000;
if (now - update_before >= i) {
#if ENABLED(DEBUG_PRINTCOUNTER)
PrintCounter::debug(PSTR("tick"));
#endif
uint16_t t = this->duration();;
this->data.printTime += this->deltaDuration();
update_before = now;
}
// Trying to get the amount of calculations down to the bare min
const static uint16_t j = this->saveInterval * 1000;
if (now - eeprom_before >= j) {
eeprom_before = now;
this->saveStats();
}
}
void PrintCounter::start() {
#if ENABLED(DEBUG_PRINTCOUNTER)
PrintCounter::debug(PSTR("start"));
#endif
if (!this->isPaused()) this->data.totalPrints++;
super::start();
}
void PrintCounter::stop() {
#if ENABLED(DEBUG_PRINTCOUNTER)
PrintCounter::debug(PSTR("stop"));
#endif
super::stop();
this->data.finishedPrints++;
this->data.printTime += this->deltaDuration();
this->saveStats();
}
void PrintCounter::reset() {
#if ENABLED(DEBUG_PRINTCOUNTER)
PrintCounter::debug(PSTR("stop"));
#endif
this->lastDuration = 0;
super::reset();
}
#if ENABLED(DEBUG_PRINTCOUNTER)
void PrintCounter::debug(const char func[]) {
if (DEBUGGING(INFO)) {
SERIAL_ECHOPGM("PrintCounter::");
serialprintPGM(func);
SERIAL_ECHOLNPGM("()");
}
}
#endif

154
Marlin/printcounter.h Normal file
View file

@ -0,0 +1,154 @@
/*
* Marlin 3D Printer Firmware
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef PRINTCOUNTER_H
#define PRINTCOUNTER_H
#include "macros.h"
#include "stopwatch.h"
// Print debug messages with M111 S2
//#define DEBUG_PRINTCOUNTER
struct printStatistics { // 13 bytes
//const uint8_t magic; // Magic header, it will always be 0x16
uint16_t totalPrints; // Number of prints
uint16_t finishedPrints; // Number of complete prints
uint32_t printTime; // Total printing time
uint32_t longestPrint; // Longest print job - not in use
};
class PrintCounter: public Stopwatch {
private:
typedef Stopwatch super;
printStatistics data;
/**
* @brief EEPROM address
* @details Defines the start offset address where the data is stored.
*/
const uint16_t address = 0x32;
/**
* @brief Interval in seconds between counter updates
* @details This const value defines what will be the time between each
* accumulator update. This is different from the EEPROM save interval.
*/
const uint16_t updateInterval = 10;
/**
* @brief Interval in seconds between EEPROM saves
* @details This const value defines what will be the time between each
* EEPROM save cycle, the development team recommends to set this value
* no lower than 3600 secs (1 hour).
*/
const uint16_t saveInterval = 3600;
/**
* @brief Timestamp of the last call to deltaDuration()
* @details Stores the timestamp of the last deltaDuration(), this is
* required due to the updateInterval cycle.
*/
uint16_t lastDuration;
/**
* @brief Stats were loaded from EERPROM
* @details If set to true it indicates if the statistical data was already
* loaded from the EEPROM.
*/
bool loaded = false;
protected:
/**
* @brief dT since the last call
* @details Returns the elapsed time in seconds since the last call, this is
* used internally for print statistics accounting is not intended to be a
* user callable function.
*/
uint16_t deltaDuration();
public:
/**
* @brief Class constructor
*/
PrintCounter();
/**
* @brief Checks if Print Statistics has been loaded
* @details Returns true if the statistical data has been loaded.
* @return bool
*/
bool isLoaded();
/**
* @brief Resets the Print Statistics
* @details Resets the statistics to zero and saves them to EEPROM creating
* also the magic header.
*/
void initStats();
/**
* @brief Loads the Print Statistics
* @details Loads the statistics from EEPROM
*/
void loadStats();
/**
* @brief Saves the Print Statistics
* @details Saves the statistics to EEPROM
*/
void saveStats();
/**
* @brief Serial output the Print Statistics
* @details This function may change in the future, for now it directly
* prints the statistical data to serial.
*/
void showStats();
/**
* @brief Loop function
* @details This function should be called at loop, it will take care of
* periodically save the statistical data to EEPROM and do time keeping.
*/
void tick();
/**
* The following functions are being overridden
*/
void start();
void stop();
void reset();
#if ENABLED(DEBUG_PRINTCOUNTER)
/**
* @brief Prints a debug message
* @details Prints a simple debug message "PrintCounter::function"
*/
static void debug(const char func[]);
#endif
};
#endif // PRINTCOUNTER_H

View file

@ -29,7 +29,7 @@ Stopwatch::Stopwatch() {
void Stopwatch::stop() {
#if ENABLED(DEBUG_STOPWATCH)
debug(PSTR("stop"));
Stopwatch::debug(PSTR("stop"));
#endif
if (!this->isRunning()) return;
@ -40,7 +40,7 @@ void Stopwatch::stop() {
void Stopwatch::pause() {
#if ENABLED(DEBUG_STOPWATCH)
debug(PSTR("pause"));
Stopwatch::debug(PSTR("pause"));
#endif
if (!this->isRunning()) return;
@ -51,7 +51,7 @@ void Stopwatch::pause() {
void Stopwatch::start() {
#if ENABLED(DEBUG_STOPWATCH)
debug(PSTR("start"));
Stopwatch::debug(PSTR("start"));
#endif
if (this->isRunning()) return;
@ -65,7 +65,7 @@ void Stopwatch::start() {
void Stopwatch::reset() {
#if ENABLED(DEBUG_STOPWATCH)
debug(PSTR("reset"));
Stopwatch::debug(PSTR("reset"));
#endif
this->state = STPWTCH_STOPPED;