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Merge pull request #5495 from AnHardt/autoadjusting_display-updates 

Adaptive screen updates for all kinds of displays
pull/1/head
Scott Lahteine 8 years ago
committed by GitHub
parent
77a360912d d0e24e0876
commit
8d9fcd8e6f
23 changed files with 98 additions and 644 deletions
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  1. 30
      Marlin/Configuration_adv.h
  2. 4
      Marlin/Marlin_main.cpp
  3. 30
      Marlin/example_configurations/Cartesio/Configuration_adv.h
  4. 30
      Marlin/example_configurations/Felix/Configuration_adv.h
  5. 30
      Marlin/example_configurations/Hephestos/Configuration_adv.h
  6. 30
      Marlin/example_configurations/Hephestos_2/Configuration_adv.h
  7. 30
      Marlin/example_configurations/K8200/Configuration_adv.h
  8. 30
      Marlin/example_configurations/K8400/Configuration_adv.h
  9. 30
      Marlin/example_configurations/RigidBot/Configuration_adv.h
  10. 30
      Marlin/example_configurations/SCARA/Configuration_adv.h
  11. 30
      Marlin/example_configurations/TAZ4/Configuration_adv.h
  12. 30
      Marlin/example_configurations/WITBOX/Configuration_adv.h
  13. 30
      Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
  14. 30
      Marlin/example_configurations/delta/generic/Configuration_adv.h
  15. 30
      Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
  16. 30
      Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
  17. 30
      Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
  18. 30
      Marlin/example_configurations/makibox/Configuration_adv.h
  19. 30
      Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
  20. 19
      Marlin/planner.cpp
  21. 22
      Marlin/planner.h
  22. 6
      Marlin/stepper.cpp
  23. 151
      Marlin/ultralcd.cpp

30
Marlin/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

4
Marlin/Marlin_main.cpp
View File

@ -760,8 +760,8 @@ inline void sync_plan_position_e() { planner.set_e_position_mm(current_position[
int freeMemory() { return SdFatUtil::FreeRam(); }
#else
extern "C" {
extern unsigned int __bss_end;
extern unsigned int __heap_start;
extern char __bss_end;
extern char __heap_start;
extern void* __brkval;
int freeMemory() {

30
Marlin/example_configurations/Cartesio/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/Felix/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/Hephestos/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/Hephestos_2/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/K8200/Configuration_adv.h
View File

@ -520,36 +520,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/K8400/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/RigidBot/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/SCARA/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/TAZ4/Configuration_adv.h
View File

@ -515,36 +515,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/WITBOX/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
View File

@ -509,36 +509,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/delta/generic/Configuration_adv.h
View File

@ -509,36 +509,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
View File

@ -509,36 +509,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
View File

@ -514,36 +514,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
View File

@ -509,36 +509,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/makibox/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

30
Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
View File

@ -507,36 +507,6 @@
#define BABYSTEP_MULTIPLICATOR 1 //faster movements
#endif
//
// Ensure Smooth Moves
//
// Enable this option to prevent the machine from stuttering when printing multiple short segments.
// This feature uses two strategies to eliminate stuttering:
//
// 1. During short segments a Graphical LCD update may take so much time that the planner buffer gets
// completely drained. When this happens pauses are introduced between short segments, and print moves
// will become jerky until a longer segment provides enough time for the buffer to be filled again.
// This jerkiness negatively affects print quality. The ENSURE_SMOOTH_MOVES option addresses the issue
// by pausing the LCD until there's enough time to safely update.
//
// NOTE: This will cause the Info Screen to lag and controller buttons may become unresponsive.
// Enable ALWAYS_ALLOW_MENU to keep the controller responsive.
//
// 2. No block is allowed to take less time than MIN_BLOCK_TIME. That's the time it takes in the main
// loop to add a new block to the buffer, check temperatures, etc., including all blocked time due to
// interrupts (without LCD update). By enforcing a minimum time-per-move, the buffer is prevented from
// draining.
//
//#define ENSURE_SMOOTH_MOVES
#if ENABLED(ENSURE_SMOOTH_MOVES)
//#define ALWAYS_ALLOW_MENU // If enabled, the menu will always be responsive.
// WARNING: Menu navigation during short moves may cause stuttering!
#define LCD_UPDATE_THRESHOLD 135 // (ms) Minimum duration for the current segment to allow an LCD update.
// Default value is good for graphical LCDs (e.g., REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER).
// You may try to lower this value until you printer starts stuttering again as if ENSURE_SMOOTH_MOVES is disabled.
#define MIN_BLOCK_TIME 6 // (ms) Minimum duration of a single block. You shouldn't need to modify this.
#endif
// @section extruder
// extruder advance constant (s2/mm3)

19
Marlin/planner.cpp
View File

@ -145,7 +145,7 @@ float Planner::previous_speed[NUM_AXIS],
Planner::position_float[NUM_AXIS] = { 0 };
#endif
#if ENABLED(ENSURE_SMOOTH_MOVES)
#if ENABLED(ULTRA_LCD)
volatile uint32_t Planner::block_buffer_runtime_us = 0;
#endif
@ -985,30 +985,21 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
const uint8_t moves_queued = movesplanned();
// Slow down when the buffer starts to empty, rather than wait at the corner for a buffer refill
unsigned long segment_time = lround(1000000.0 / inverse_mm_s);
#if ENABLED(SLOWDOWN)
// Segment time im micro seconds
unsigned long segment_time = lround(1000000.0 / inverse_mm_s);
if (moves_queued > 1 && moves_queued < (BLOCK_BUFFER_SIZE) / 2) {
if (segment_time < min_segment_time) {
// buffer is draining, add extra time. The amount of time added increases if the buffer is still emptied more.
inverse_mm_s = 1000000.0 / (segment_time + lround(2 * (min_segment_time - segment_time) / moves_queued));
#if defined(XY_FREQUENCY_LIMIT) || ENABLED(ENSURE_SMOOTH_MOVES)
#if defined(XY_FREQUENCY_LIMIT) || ENABLED(ULTRA_LCD)
segment_time = lround(1000000.0 / inverse_mm_s);
#endif
}
}
#endif
#if ENABLED(ENSURE_SMOOTH_MOVES)
#if DISABLED(SLOWDOWN)
unsigned long segment_time = lround(1000000.0 / inverse_mm_s);
#endif
if (segment_time < (MIN_BLOCK_TIME) * 1000UL) {
// buffer will be draining, set to MIN_BLOCK_TIME.
inverse_mm_s = 1000000.0 / (1000.0 * (MIN_BLOCK_TIME));
segment_time = (MIN_BLOCK_TIME) * 1000UL;
}
block->segment_time = segment_time;
#if ENABLED(ULTRA_LCD)
CRITICAL_SECTION_START
block_buffer_runtime_us += segment_time;
CRITICAL_SECTION_END

22
Marlin/planner.h
View File

@ -124,9 +124,7 @@ typedef struct {
uint32_t valve_pressure, e_to_p_pressure;
#endif
#if ENABLED(ENSURE_SMOOTH_MOVES)
uint32_t segment_time;
#endif
uint32_t segment_time;
} block_t;
@ -214,7 +212,7 @@ class Planner {
static float extruder_advance_k;
#endif
#if ENABLED(ENSURE_SMOOTH_MOVES)
#if ENABLED(ULTRA_LCD)
volatile static uint32_t block_buffer_runtime_us; //Theoretical block buffer runtime in µs
#endif
@ -381,33 +379,35 @@ class Planner {
static block_t* get_current_block() {
if (blocks_queued()) {
block_t* block = &block_buffer[block_buffer_tail];
#if ENABLED(ENSURE_SMOOTH_MOVES)
#if ENABLED(ULTRA_LCD)
block_buffer_runtime_us -= block->segment_time; //We can't be sure how long an active block will take, so don't count it.
#endif
SBI(block->flag, BLOCK_BIT_BUSY);
return block;
}
else {
#if ENABLED(ENSURE_SMOOTH_MOVES)
#if ENABLED(ULTRA_LCD)
clear_block_buffer_runtime(); // paranoia. Buffer is empty now - so reset accumulated time to zero.
#endif
return NULL;
}
}
#if ENABLED(ENSURE_SMOOTH_MOVES)
static bool long_move() {
#if ENABLED(ULTRA_LCD)
static millis_t block_buffer_runtime() {
CRITICAL_SECTION_START
uint32_t bbru = block_buffer_runtime_us;
millis_t bbru = block_buffer_runtime_us;
CRITICAL_SECTION_END
return !bbru || bbru > (LCD_UPDATE_THRESHOLD) * 1000UL + (MIN_BLOCK_TIME) * 3000UL;
return bbru;
}
static void clear_block_buffer_runtime(){
CRITICAL_SECTION_START
block_buffer_runtime_us = 0;
CRITICAL_SECTION_END
}
#endif
#if ENABLED(AUTOTEMP)

6
Marlin/stepper.cpp
View File

@ -1098,13 +1098,13 @@ void Stepper::finish_and_disable() {
void Stepper::quick_stop() {
cleaning_buffer_counter = 5000;
#if ENABLED(ENSURE_SMOOTH_MOVES)
planner.clear_block_buffer_runtime();
#endif
DISABLE_STEPPER_DRIVER_INTERRUPT();
while (planner.blocks_queued()) planner.discard_current_block();
current_block = NULL;
ENABLE_STEPPER_DRIVER_INTERRUPT();
#if ENABLED(ULTRA_LCD)
planner.clear_block_buffer_runtime();
#endif
}
void Stepper::endstop_triggered(AxisEnum axis) {

151
Marlin/ultralcd.cpp
View File

@ -64,6 +64,8 @@ void lcd_status_screen();
millis_t next_lcd_update_ms;
uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to draw, decrements after every draw. Set to 2 in LCD routines so the LCD gets at least 1 full redraw (first redraw is partial)
millis_t max_display_update_time = 0;
#if ENABLED(DOGLCD)
bool drawing_screen = false;
#endif
@ -2893,7 +2895,11 @@ void lcd_update() {
#endif //SDSUPPORT && SD_DETECT_PIN
millis_t ms = millis();
if (ELAPSED(ms, next_lcd_update_ms)) {
if (ELAPSED(ms, next_lcd_update_ms)
#if ENABLED(DOGLCD)
|| drawing_screen
#endif
) {
next_lcd_update_ms = ms + LCD_UPDATE_INTERVAL;
@ -2954,101 +2960,98 @@ void lcd_update() {
}
#endif // ULTIPANEL
#if ENABLED(ENSURE_SMOOTH_MOVES) && ENABLED(ALWAYS_ALLOW_MENU)
#define STATUS_UPDATE_CONDITION planner.long_move()
#else
#define STATUS_UPDATE_CONDITION true
#endif
#if ENABLED(ENSURE_SMOOTH_MOVES) && DISABLED(ALWAYS_ALLOW_MENU)
#define LCD_HANDLER_CONDITION planner.long_move()
#else
#define LCD_HANDLER_CONDITION true
#endif
// We arrive here every ~100ms when idling often enough.
// Instead of tracking the changes simply redraw the Info Screen ~1 time a second.
static int8_t lcd_status_update_delay = 1; // first update one loop delayed
if (STATUS_UPDATE_CONDITION &&
if (
#if ENABLED(ULTIPANEL)
currentScreen == lcd_status_screen &&
#endif
!lcd_status_update_delay--
!lcd_status_update_delay--
) {
lcd_status_update_delay = 9;
lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
}
if (LCD_HANDLER_CONDITION) {
lcd_status_update_delay = 9
#if ENABLED(DOGLCD)
if (lcdDrawUpdate || drawing_screen)
#else
if (lcdDrawUpdate)
+ 3
#endif
{
#if ENABLED(DOGLCD)
if (!drawing_screen)
#endif
{
switch (lcdDrawUpdate) {
case LCDVIEW_CALL_NO_REDRAW:
lcdDrawUpdate = LCDVIEW_NONE;
break;
case LCDVIEW_CLEAR_CALL_REDRAW: // set by handlers, then altered after (rarely occurs here)
case LCDVIEW_CALL_REDRAW_NEXT: // set by handlers, then altered after (never occurs here?)
lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
case LCDVIEW_REDRAW_NOW: // set above, or by a handler through LCDVIEW_CALL_REDRAW_NEXT
case LCDVIEW_NONE:
break;
} // switch
}
#if ENABLED(ULTIPANEL)
#define CURRENTSCREEN() (*currentScreen)(), lcd_clicked = false
#else
#define CURRENTSCREEN() lcd_status_screen()
#endif
#if ENABLED(DOGLCD) // Changes due to different driver architecture of the DOGM display
if (!drawing_screen) {
u8g.firstPage();
drawing_screen = 1;
}
lcd_setFont(FONT_MENU);
CURRENTSCREEN();
if (drawing_screen && (drawing_screen = u8g.nextPage())) return;
#else
CURRENTSCREEN();
#endif
}
#if ENABLED(ULTIPANEL)
// Return to Status Screen after a timeout
if (currentScreen == lcd_status_screen || defer_return_to_status)
return_to_status_ms = ms + LCD_TIMEOUT_TO_STATUS;
else if (ELAPSED(ms, return_to_status_ms))
lcd_return_to_status();
;
max_display_update_time--;
lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
}
#endif // ULTIPANEL
millis_t bbr = planner.block_buffer_runtime();
#if ENABLED(DOGLCD)
if ((lcdDrawUpdate || drawing_screen) && (!bbr || (bbr > max_display_update_time * 2000)))
#else
if (lcdDrawUpdate && (!bbr || (bbr > max_display_update_time * 2000)))
#endif
{
#if ENABLED(DOGLCD)
if (!drawing_screen)
#endif
{
switch (lcdDrawUpdate) {
case LCDVIEW_CLEAR_CALL_REDRAW:
lcd_implementation_clear();
case LCDVIEW_CALL_REDRAW_NEXT:
lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
break;
case LCDVIEW_REDRAW_NOW:
case LCDVIEW_CALL_NO_REDRAW:
lcdDrawUpdate = LCDVIEW_NONE;
break;
case LCDVIEW_CLEAR_CALL_REDRAW: // set by handlers, then altered after (rarely occurs here)
case LCDVIEW_CALL_REDRAW_NEXT: // set by handlers, then altered after (never occurs here?)
lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
case LCDVIEW_REDRAW_NOW: // set above, or by a handler through LCDVIEW_CALL_REDRAW_NEXT
case LCDVIEW_NONE:
break;
} // switch
}
} // LCD_HANDLER_CONDITION
#if ENABLED(ULTIPANEL)
#define CURRENTSCREEN() (*currentScreen)(), lcd_clicked = false
#else
#define CURRENTSCREEN() lcd_status_screen()
#endif
#if ENABLED(DOGLCD) // Changes due to different driver architecture of the DOGM display
if (!drawing_screen) {
u8g.firstPage();
drawing_screen = 1;
}
lcd_setFont(FONT_MENU);
CURRENTSCREEN();
if (drawing_screen && (drawing_screen = u8g.nextPage())) {
max_display_update_time = max(max_display_update_time, millis() - ms);
return;
}
#else
CURRENTSCREEN();
#endif
max_display_update_time = max(max_display_update_time, millis() - ms);
}
#if ENABLED(ULTIPANEL)
// Return to Status Screen after a timeout
if (currentScreen == lcd_status_screen || defer_return_to_status)
return_to_status_ms = ms + LCD_TIMEOUT_TO_STATUS;
else if (ELAPSED(ms, return_to_status_ms))
lcd_return_to_status();
#endif // ULTIPANEL
#if ENABLED(DOGLCD)
if (!drawing_screen)
#endif
{
switch (lcdDrawUpdate) {
case LCDVIEW_CLEAR_CALL_REDRAW:
lcd_implementation_clear();
case LCDVIEW_CALL_REDRAW_NEXT:
lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
break;
case LCDVIEW_REDRAW_NOW:
lcdDrawUpdate = LCDVIEW_NONE;
break;
case LCDVIEW_NONE:
break;
} // switch
}
} // ELAPSED(ms, next_lcd_update_ms)
}

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