Merge pull request #1169 from mkbel/remove_duplicate_debouncing_4

Remove duplicate debouncing 4

Firmware/lcd.cpp

@@ -683,10 +683,22 @@ ShortTimer longPressTimer;
 LongTimer lcd_timeoutToStatus;
 
 
+//! @brief Was button clicked?
+//!
+//! Consume click event, following call would return 0.
+//! See #LCD_CLICKED macro for version not consuming the event.
+//!
+//! Generally is used in modal dialogs.
+//!
+//! @retval 0 not clicked
+//! @retval nonzero clicked
 uint8_t lcd_clicked(void)
 {
 	bool clicked = LCD_CLICKED;
-	if(clicked) lcd_button_pressed = 0;
+	if(clicked)
+	{
+	    lcd_consume_click();
+	}
     return clicked;
 }
 
@@ -709,7 +721,7 @@ Sound_MakeSound(e_SOUND_TYPE_ButtonEcho);
 void lcd_quick_feedback(void)
 {
   lcd_draw_update = 2;
-  lcd_button_pressed = false;  
+  lcd_button_pressed = false;
   lcd_beeper_quick_feedback();
 }
 
@@ -726,7 +738,6 @@ void lcd_update(uint8_t lcdDrawUpdateOverride)
 		lcd_draw_update = lcdDrawUpdateOverride;
 	if (!lcd_update_enabled)
 		return;
-	lcd_buttons_update();
 	if (lcd_lcdupdate_func)
 		lcd_lcdupdate_func();
 }
@@ -760,57 +771,45 @@ void lcd_update_enable(uint8_t enabled)
 extern LongTimer safetyTimer;
 void lcd_buttons_update(void)
 {
-	static bool _lock = false;
-	if (_lock) return;
-	_lock = true;
 	uint8_t newbutton = 0;
 	if (READ(BTN_EN1) == 0)  newbutton |= EN_A;
 	if (READ(BTN_EN2) == 0)  newbutton |= EN_B;
-	if (lcd_update_enabled)
-	{ //if we are in non-modal mode, long press can be used and short press triggers with button release
-		if (READ(BTN_ENC) == 0)
-		{ //button is pressed	  
-			lcd_timeoutToStatus.start();
-			if (!buttonBlanking.running() || buttonBlanking.expired(BUTTON_BLANKING_TIME)) {
-				buttonBlanking.start();
-		        safetyTimer.start();
-				if ((lcd_button_pressed == 0) && (lcd_long_press_active == 0))
-				{
-					longPressTimer.start();
-					lcd_button_pressed = 1;
-				}
-				else
-				{
-					if (longPressTimer.expired(LONG_PRESS_TIME))
-					{
-						lcd_long_press_active = 1;
-						if (lcd_longpress_func)
-							lcd_longpress_func();
-					}
-				}
-			}
-		}
-		else
-		{ //button not pressed
-			if (lcd_button_pressed)
-			{ //button was released
-				buttonBlanking.start();
-				if (lcd_long_press_active == 0)
-				{ //button released before long press gets activated
-					newbutton |= EN_C;
-				}
-				//else if (menu_menu == lcd_move_z) lcd_quick_feedback(); 
-				//lcd_button_pressed is set back to false via lcd_quick_feedback function
-			}
-			else
-				lcd_long_press_active = 0;
-		}
-	}
-	else
-	{ //we are in modal mode
-		if (READ(BTN_ENC) == 0)
-			newbutton |= EN_C; 
-	}
+
+    if (READ(BTN_ENC) == 0)
+    { //button is pressed
+        lcd_timeoutToStatus.start();
+        if (!buttonBlanking.running() || buttonBlanking.expired(BUTTON_BLANKING_TIME)) {
+            buttonBlanking.start();
+            safetyTimer.start();
+            if ((lcd_button_pressed == 0) && (lcd_long_press_active == 0))
+            {
+                //long press is not possible in modal mode
+                if (lcd_update_enabled) longPressTimer.start();
+                lcd_button_pressed = 1;
+            }
+            else if (longPressTimer.expired(LONG_PRESS_TIME))
+            {
+                lcd_long_press_active = 1;
+                if (lcd_longpress_func)
+                    lcd_longpress_func();
+            }
+        }
+    }
+    else
+    { //button not pressed
+        if (lcd_button_pressed)
+        { //button was released
+            buttonBlanking.start();
+            if (lcd_long_press_active == 0)
+            { //button released before long press gets activated
+                newbutton |= EN_C;
+            }
+            //else if (menu_menu == lcd_move_z) lcd_quick_feedback();
+            //lcd_button_pressed is set back to false via lcd_quick_feedback function
+        }
+        else
+            lcd_long_press_active = 0;
+    }
 
 	lcd_buttons = newbutton;
 	//manage encoder rotation
@@ -848,7 +847,6 @@ void lcd_buttons_update(void)
 		}
 	}
 	lcd_encoder_bits = enc;
-	_lock = false;
 }
 
 

Firmware/lcd.h

@@ -1,4 +1,4 @@
-//lcd.h
+//! @file
 #ifndef _LCD_H
 #define _LCD_H
 
@@ -131,7 +131,6 @@ extern lcd_lcdupdate_func_t lcd_lcdupdate_func;
 
 extern uint8_t lcd_clicked(void);
 
-
 extern void lcd_beeper_quick_feedback(void);
 
 //Cause an LCD refresh, and give the user visual or audible feedback that something has happened
@@ -210,7 +209,16 @@ private:
 #define EN_A (1<<BLEN_A)
 #define BLEN_C 2 
 #define EN_C (1<<BLEN_C) 
-  
+
+//! @brief Was button clicked?
+//!
+//! Doesn't consume button click event. See lcd_clicked()
+//! for function consuming the event.
+//!
+//! Generally is used in non-modal menus.
+//!
+//! @retval 0 button was not clicked
+//! @retval 1 button was clicked
 #define LCD_CLICKED (lcd_buttons&EN_C)
 
 ////////////////////////
@@ -244,6 +252,12 @@ extern void lcd_set_custom_characters_progress(void);
 extern void lcd_set_custom_characters_nextpage(void);
 extern void lcd_set_custom_characters_degree(void);
 
+//! @brief Consume click event
+inline void lcd_consume_click()
+{
+    lcd_button_pressed = 0;
+    lcd_buttons &= 0xff^EN_C;
+}
 
 
 #endif //_LCD_H

Firmware/menu.cpp

@@ -236,6 +236,7 @@ uint8_t menu_item_function_P(const char* str, menu_func_t func)
 		if (menu_clicked && (lcd_encoder == menu_item))
 		{
 			menu_clicked = false;
+			lcd_consume_click();
 			lcd_update_enabled = 0;
 			if (func) func();
 			lcd_update_enabled = 1;

Firmware/ultralcd.cpp

@@ -465,6 +465,7 @@ static uint8_t menu_item_sdfile(const char*
 		}
 		if (menu_clicked && (lcd_encoder == menu_item))
 		{
+		    lcd_consume_click();
 			menu_action_sdfile(str_fn);
 			return menu_item_ret();
 		}
@@ -3260,9 +3261,6 @@ void lcd_show_fullscreen_message_and_wait_P(const char *msg)
         for (uint8_t i = 0; i < 100; ++ i) {
             delay_keep_alive(50);
             if (lcd_clicked()) {
-                while (lcd_clicked()) ;
-                delay(10);
-                while (lcd_clicked()) ;
 				if (msg_next == NULL) {
 					KEEPALIVE_STATE(IN_HANDLER);
 					lcd_set_custom_characters();
@@ -3296,9 +3294,6 @@ void lcd_wait_for_click()
         manage_heater();
         manage_inactivity(true);
         if (lcd_clicked()) {
-            while (lcd_clicked()) ;
-            delay(10);
-            while (lcd_clicked()) ;
 			KEEPALIVE_STATE(IN_HANDLER);
             return;
         }
@@ -3366,9 +3361,6 @@ int8_t lcd_show_multiscreen_message_two_choices_and_wait_P(const char *msg, bool
 				}
 			}
 			if (lcd_clicked()) {
-				while (lcd_clicked());
-				delay(10);
-				while (lcd_clicked());
 				if (msg_next == NULL) {
 					//KEEPALIVE_STATE(IN_HANDLER);
 					lcd_set_custom_characters();
@@ -3450,9 +3442,6 @@ int8_t lcd_show_fullscreen_message_yes_no_and_wait_P(const char *msg, bool allow
 				enc_dif = lcd_encoder_diff;
 		}
 		if (lcd_clicked()) {
-			while (lcd_clicked());
-			delay(10);
-			while (lcd_clicked());
 			KEEPALIVE_STATE(IN_HANDLER);
 			return yes;
 		}
@@ -3569,9 +3558,6 @@ void lcd_diag_show_end_stops()
         manage_inactivity(true);
         lcd_show_end_stops();
         if (lcd_clicked()) {
-            while (lcd_clicked()) ;
-            delay(10);
-            while (lcd_clicked()) ;
             break;
         }
     }
@@ -4334,9 +4320,6 @@ void lcd_v2_calibration()
 			for (int i = 0; i < 20; i++) { //wait max. 2s
 				delay_keep_alive(100);
 				if (lcd_clicked()) {
-					while (lcd_clicked());
-					delay(10);
-					while (lcd_clicked());
 					break;
 				}
 			}
@@ -4982,9 +4965,6 @@ void bowden_menu() {
 		}
 
 		if (lcd_clicked()) {
-			while (lcd_clicked());
-			delay(10);
-			while (lcd_clicked());
 
 			lcd_clear();
 			while (1) {
@@ -5016,9 +4996,6 @@ void bowden_menu() {
 				}
 				delay(100);
 				if (lcd_clicked()) {
-					while (lcd_clicked());
-					delay(10);
-					while (lcd_clicked());
 					EEPROM_save_B(EEPROM_BOWDEN_LENGTH + cursor_pos * 2, &bowden_length[cursor_pos]);
 					if (lcd_show_fullscreen_message_yes_no_and_wait_P(PSTR("Continue with another bowden?"))) {
 						lcd_update_enable(true);
@@ -5079,9 +5056,6 @@ static char snmm_stop_print_menu() { //menu for choosing which filaments will be
 			}
 		}
 		if (lcd_clicked()) {
-			while (lcd_clicked());
-			delay(10);
-			while (lcd_clicked());
 			KEEPALIVE_STATE(IN_HANDLER);
 			return(cursor_pos - 1);
 		}
@@ -5268,9 +5242,6 @@ char reset_menu() {
 		}
 
 		if (lcd_clicked()) {
-			while (lcd_clicked());
-			delay(10);
-			while (lcd_clicked());
 			return(cursor_pos + first);
 		}
 
@@ -5527,9 +5498,6 @@ unsigned char lcd_choose_color() {
 		}
 
 		if (lcd_clicked()) {
-			while (lcd_clicked());
-			delay(10);
-			while (lcd_clicked());
 			switch(cursor_pos + first - 1) {
 			case 0: return 1; break;
 			case 1: return 0; break;
@@ -7220,7 +7188,6 @@ void ultralcd_init()
   WRITE(SDCARDDETECT, HIGH);
   lcd_oldcardstatus = IS_SD_INSERTED;
 #endif//(SDCARDDETECT > 0)
-  lcd_buttons_update();
   lcd_encoder_diff = 0;
 }