New ML support - lcd optimalization

lcd_puts_P and lcd_printf_P functions
LineFeed implemented in LiquidCrystal_Prusa

Firmware/LiquidCrystal_Prusa.cpp

@@ -273,7 +273,7 @@ void LiquidCrystal_Prusa::setCursor(uint8_t col, uint8_t row)
   if ( row >= _numlines ) {
     row = _numlines-1;    // we count rows starting w/0
   }
-  
+  _currline = row;  
   command(LCD_SETDDRAMADDR | (col + row_offsets[row]));
 }
 
@@ -356,6 +356,12 @@ inline void LiquidCrystal_Prusa::command(uint8_t value) {
 }
 
 inline size_t LiquidCrystal_Prusa::write(uint8_t value) {
+  if (value == '\n')
+  {
+    if (_currline > 3) _currline = -1;
+	setCursor(0, _currline + 1); // LF
+	return 1;
+  }
   if (_escape[0] || (value == 0x1b))
     return escape_write(value);
   send(value, HIGH);
@@ -421,7 +427,7 @@ inline size_t LiquidCrystal_Prusa::escape_write(uint8_t chr)
 			break;
 		case '2':
 			if (chr == 'J') // escape = "\x1b[2J"
-				{ clear(); break; } // EraseScreen
+				{ clear(); _currline = 0; break; } // EraseScreen
 		default:
 			if (e_2_is_num && // escape = "\x1b[%1d"
 				((chr == ';') || // escape = "\x1b[%1d;"

Firmware/Marlin_main.cpp

@@ -903,14 +903,18 @@ int uart_putchar(char c, FILE *stream)
 	return 0;
 }
 
+
 void lcd_splash()
 {
 //	lcd_print_at_PGM(0, 1, PSTR("   Original Prusa   "));
 //	lcd_print_at_PGM(0, 2, PSTR("    3D  Printers    "));
 //	lcd.print_P(PSTR("\x1b[1;3HOriginal Prusa\x1b[2;4H3D  Printers"));
-    fputs_P(PSTR(ESC_2J ESC_H(1,1) "Original Prusa i3" ESC_H(3,2) "Prusa Research"), lcdout);
+//    fputs_P(PSTR(ESC_2J ESC_H(1,1) "Original Prusa i3" ESC_H(3,2) "Prusa Research"), lcdout);
+    lcd_puts_P(PSTR(ESC_2J ESC_H(1,1) "Original Prusa i3" ESC_H(3,2) "Prusa Research"));
+//	lcd_printf_P(_N(ESC_2J "x:%.3f\ny:%.3f\nz:%.3f\ne:%.3f"), _x, _y, _z, _e);
 }
 
+
 void factory_reset() 
 {
 	KEEPALIVE_STATE(PAUSED_FOR_USER);
@@ -1169,6 +1173,7 @@ void setup()
 	SERIAL_ECHO_START;
 	printf_P(PSTR(" " FW_VERSION_FULL "\n"));
 
+
 #ifdef DEBUG_SEC_LANG
 	lang_table_header_t header;
 	uint32_t src_addr = 0x00000;

Firmware/ultralcd.cpp

@@ -26,7 +26,22 @@
 #include "tmc2130.h"
 #endif //TMC2130
 
-#define _STRINGIFY(s) #s
+
+#include <stdarg.h>
+
+int lcd_puts_P(const char* str)
+{
+	return fputs_P(str, lcdout);
+}
+
+int lcd_printf_P(const char* format, ...)
+{
+	va_list args;
+	va_start(args, format);
+	int ret = vfprintf_P(lcdout, format, args);
+	va_end(args);
+	return ret;
+}
 
 
 int8_t encoderDiff; /* encoderDiff is updated from interrupt context and added to encoderPosition every LCD update */
@@ -4058,8 +4073,7 @@ void lcd_wizard(int state) {
 		}
 	}
 
-	SERIAL_ECHOPGM("State: ");
-	MYSERIAL.println(state);
+	printf_P(_N("State: %d\n"), state);
 	switch (state) { //final message
 	case 0: //user dont want to use wizard
 		msg = _T(MSG_WIZARD_QUIT);
@@ -6370,8 +6384,7 @@ static bool lcd_selfcheck_axis_sg(char axis) {
 //end of second measurement, now check for possible errors:
 
 	for(int i = 0; i < 2; i++){ //check if measured axis length corresponds to expected length
-		SERIAL_ECHOPGM("Measured axis length:");
-		MYSERIAL.println(measured_axis_length[i]);
+		printf_P(_N("Measured axis length:%.3f\n"), measured_axis_length[i]);
 		if (abs(measured_axis_length[i] - axis_length) > max_error_mm) {
 			enable_endstops(false);
 
@@ -6390,8 +6403,7 @@ static bool lcd_selfcheck_axis_sg(char axis) {
 		}
 	}
 
-	SERIAL_ECHOPGM("Axis length difference:");
-	MYSERIAL.println(abs(measured_axis_length[0] - measured_axis_length[1]));
+		printf_P(_N("Axis length difference:%.3f\n"), abs(measured_axis_length[0] - measured_axis_length[1]));
 	
 		if (abs(measured_axis_length[0] - measured_axis_length[1]) > 1) { //check if difference between first and second measurement is low
 			//loose pulleys

Firmware/ultralcd.h

@@ -4,6 +4,9 @@
 #include "Marlin.h"
 #include "mesh_bed_calibration.h"
 
+extern int lcd_puts_P(const char* str);
+extern int lcd_printf_P(const char* format, ...);
+
 #ifdef ULTRA_LCD
 
 	static void lcd_language_menu();