diff --git a/ArduinoAddons/Arduino_1.x.x/hardware/Sanguino/boards.txt b/ArduinoAddons/Arduino_1.x.x/hardware/Sanguino/boards.txt
index c1a1f08ab6..2bec14eab3 100644
--- a/ArduinoAddons/Arduino_1.x.x/hardware/Sanguino/boards.txt
+++ b/ArduinoAddons/Arduino_1.x.x/hardware/Sanguino/boards.txt
@@ -27,9 +27,9 @@ atmega12848m.upload.protocol=stk500
atmega12848m.upload.maximum_size=131072
atmega12848m.upload.speed=19200
-atmega12848m.bootloader.low_fuses=0xFD
-atmega12848m.bootloader.high_fuses=0x9A
-atmega12848m.bootloader.extended_fuses=0xFF
+atmega1284.bootloader.low_fuses=0xD6
+atmega1284.bootloader.high_fuses=0xDA
+atmega1284.bootloader.extended_fuses=0xFD
atmega12848m.bootloader.path=atmega
atmega12848m.bootloader.file=ATmegaBOOT_168_atmega1284p_8m.hex
atmega12848m.bootloader.unlock_bits=0x3F
@@ -48,30 +48,8 @@ atmega1284.upload.protocol=stk500
atmega1284.upload.maximum_size=131072
atmega1284.upload.speed=57600
-atmega1284.bootloader.low_fuses=0xFF
-atmega1284.bootloader.high_fuses=0x9A
-atmega1284.bootloader.extended_fuses=0xFF
-atmega1284.bootloader.path=atmega
-atmega1284.bootloader.file=ATmegaBOOT_168_atmega1284p.hex
-atmega1284.bootloader.unlock_bits=0x3F
-atmega1284.bootloader.lock_bits=0x0F
-
-atmega1284.build.mcu=atmega1284p
-atmega1284.build.f_cpu=16000000L
-atmega1284.build.core=arduino
-atmega1284.build.variant=standard
-#
-
-##############################################################
-
-atmega1284.name=Sanguino W/ ATmega1284p 16mhz ceramic resonator
-
-atmega1284.upload.protocol=stk500
-atmega1284.upload.maximum_size=131072
-atmega1284.upload.speed=57600
-
atmega1284.bootloader.low_fuses=0xD6
-atmega1284.bootloader.high_fuses=0xDC
+atmega1284.bootloader.high_fuses=0xDA
atmega1284.bootloader.extended_fuses=0xFD
atmega1284.bootloader.path=atmega
atmega1284.bootloader.file=ATmegaBOOT_168_atmega1284p.hex
@@ -82,4 +60,24 @@ atmega1284.build.mcu=atmega1284p
atmega1284.build.f_cpu=16000000L
atmega1284.build.core=arduino
atmega1284.build.variant=standard
+##############################################################
+
+atmega1284m.name=Sanguino W/ ATmega1284p 20mhz
+
+atmega1284m.upload.protocol=stk500
+atmega1284m.upload.maximum_size=131072
+atmega1284m.upload.speed=57600
+
+atmega1284m.bootloader.low_fuses=0xD6
+atmega1284m.bootloader.high_fuses=0xDA
+atmega1284m.bootloader.extended_fuses=0xFD
+atmega1284m.bootloader.path=atmega
+atmega1284m.bootloader.file=ATmegaBOOT_168_atmega1284p.hex
+atmega1284m.bootloader.unlock_bits=0x3F
+atmega1284m.bootloader.lock_bits=0x0F
+
+atmega1284m.build.mcu=atmega1284p
+atmega1284m.build.f_cpu=20000000L
+atmega1284m.build.core=arduino
+atmega1284m.build.variant=standard
#
diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index fe03e03186..8d39bd95d1 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -451,6 +451,8 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
//#define ENCODER_STEPS_PER_MENU_ITEM 5 // Set according to ENCODER_PULSES_PER_STEP or your liking
//#define ULTIMAKERCONTROLLER //as available from the ultimaker online store.
//#define ULTIPANEL //the ultipanel as on thingiverse
+//#define LCD_FEEDBACK_FREQUENCY_HZ 1000 // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
+//#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
// The MaKr3d Makr-Panel with graphic controller and SD support
// http://reprap.org/wiki/MaKr3d_MaKrPanel
@@ -536,6 +538,21 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
#define LCD_USE_I2C_BUZZER //comment out to disable buzzer on LCD
#define NEWPANEL
#define ULTIPANEL
+
+ #ifndef ENCODER_PULSES_PER_STEP
+ #define ENCODER_PULSES_PER_STEP 4
+ #endif
+
+ #ifndef ENCODER_STEPS_PER_MENU_ITEM
+ #define ENCODER_STEPS_PER_MENU_ITEM 1
+ #endif
+
+
+ #ifdef LCD_USE_I2C_BUZZER
+ #define LCD_FEEDBACK_FREQUENCY_HZ 1000
+ #define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100
+ #endif
+
#endif
// Panucatt VIKI LCD with status LEDs, integrated click & L/R/U/P buttons, separate encoder inputs
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index aecaf1275b..8601502719 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -2477,7 +2477,7 @@ void process_commands()
break;
#endif // NUM_SERVOS > 0
- #if LARGE_FLASH == true && ( BEEPER > 0 || defined(ULTRALCD) )
+ #if (LARGE_FLASH == true && ( BEEPER > 0 || defined(ULTRALCD) || defined(LCD_USE_I2C_BUZZER)))
case 300: // M300
{
int beepS = code_seen('S') ? code_value() : 110;
@@ -2489,7 +2489,9 @@ void process_commands()
delay(beepP);
noTone(BEEPER);
#elif defined(ULTRALCD)
- lcd_buzz(beepS, beepP);
+ lcd_buzz(beepS, beepP);
+ #elif defined(LCD_USE_I2C_BUZZER)
+ lcd_buzz(beepP, beepS);
#endif
}
else
@@ -2747,7 +2749,11 @@ void process_commands()
WRITE(BEEPER,LOW);
delay(3);
#else
- lcd_buzz(1000/6,100);
+ #if !defined(LCD_FEEDBACK_FREQUENCY_HZ) || !defined(LCD_FEEDBACK_FREQUENCY_DURATION_MS)
+ lcd_buzz(1000/6,100);
+ #else
+ lcd_buzz(LCD_FEEDBACK_FREQUENCY_DURATION_MS,LCD_FEEDBACK_FREQUENCY_HZ);
+ #endif
#endif
}
}
diff --git a/Marlin/pins.h b/Marlin/pins.h
index d896bca2eb..1576d529bb 100644
--- a/Marlin/pins.h
+++ b/Marlin/pins.h
@@ -971,6 +971,10 @@
#undef MOTHERBOARD
#define MOTHERBOARD 6
#define SANGUINOLOLU_V_1_2
+
+#if defined(__AVR_ATmega1284P__)
+ #define LARGE_FLASH true
+#endif
#endif
#if MOTHERBOARD == 6
#define KNOWN_BOARD 1
diff --git a/Marlin/ultralcd_implementation_hitachi_HD44780.h b/Marlin/ultralcd_implementation_hitachi_HD44780.h
index c0d4989c3b..afc9c5c476 100644
--- a/Marlin/ultralcd_implementation_hitachi_HD44780.h
+++ b/Marlin/ultralcd_implementation_hitachi_HD44780.h
@@ -711,7 +711,11 @@ static void lcd_implementation_drawmenu_sddirectory(uint8_t row, const char* pst
static void lcd_implementation_quick_feedback()
{
#ifdef LCD_USE_I2C_BUZZER
- lcd.buzz(60,1000/6);
+ #if !defined(LCD_FEEDBACK_FREQUENCY_HZ) || !defined(LCD_FEEDBACK_FREQUENCY_DURATION_MS)
+ lcd_buzz(1000/6,100);
+ #else
+ lcd_buzz(LCD_FEEDBACK_FREQUENCY_DURATION_MS,LCD_FEEDBACK_FREQUENCY_HZ);
+ #endif
#elif defined(BEEPER) && BEEPER > -1
SET_OUTPUT(BEEPER);
for(int8_t i=0;i<10;i++)