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Optimize LCD string/char printing

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This commit is contained in:
Scott Lahteine 2016-09-02 04:09:34 -05:00
parent 445d8215e4
commit f20b2b21eb
2 changed files with 48 additions and 50 deletions
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65
Marlin/ultralcd_impl_DOGM.h
View file

@ -189,29 +189,32 @@ static void lcd_setFont(char font_nr) {
}
}
char lcd_print(char c) {
void lcd_print(char c) {
if ((c > 0) && (c <= LCD_STR_SPECIAL_MAX)) {
u8g.setFont(FONT_SPECIAL_NAME);
u8g.print(c);
lcd_setFont(currentfont);
}
else charset_mapper(c);
}
char lcd_print_and_count(char c) {
if ((c > 0) && (c <= LCD_STR_SPECIAL_MAX)) {
u8g.setFont(FONT_SPECIAL_NAME);
u8g.print(c);
lcd_setFont(currentfont);
return 1;
} else {
return charset_mapper(c);
}
else return charset_mapper(c);
}
char lcd_print(const char* str) {
int i = 0;
char c, n = 0;
while ((c = str[i++])) n += lcd_print(c);
return n;
void lcd_print(const char* str) {
for (uint8_t i = 0; char c = str[i]; ++i) lcd_print(c);
}
// Needed for Arduino < 1.0.0
char lcd_printPGM(const char* str) {
char c, n = 0;
while ((c = pgm_read_byte(str++))) n += lcd_print(c);
return n;
/* Arduino < 1.0.0 is missing a function to print PROGMEM strings, so we need to implement our own */
void lcd_printPGM(const char* str) {
for (; char c = pgm_read_byte(str); ++str) lcd_print(c);
}
// Initialize or re-initializw the LCD
@ -337,11 +340,11 @@ FORCE_INLINE void _draw_axis_label(AxisEnum axis, const char *pstr, bool blink)
lcd_printPGM(pstr);
else {
if (!axis_homed[axis])
lcd_printPGM(PSTR("?"));
u8g.print('?');
else {
#if DISABLED(DISABLE_REDUCED_ACCURACY_WARNING)
if (!axis_known_position[axis])
lcd_printPGM(PSTR(" "));
u8g.print(' ');
else
#endif
lcd_printPGM(pstr);
@ -421,7 +424,7 @@ static void lcd_implementation_status_screen() {
int per = ((fanSpeeds[0] + 1) * 100) / 256;
if (per) {
lcd_print(itostr3(per));
lcd_print('%');
u8g.print('%');
}
#endif
@ -463,7 +466,7 @@ static void lcd_implementation_status_screen() {
lcd_setFont(FONT_STATUSMENU);
u8g.setPrintPos(12, 49);
lcd_print(itostr3(feedrate_percentage));
lcd_print('%');
u8g.print('%');
// Status line
#if ENABLED(USE_SMALL_INFOFONT)
@ -482,7 +485,7 @@ static void lcd_implementation_status_screen() {
lcd_print(ftostr12ns(filament_width_meas));
lcd_printPGM(PSTR(" factor:"));
lcd_print(itostr3(100.0 * volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM]));
lcd_print('%');
u8g.print('%');
}
#endif
}
@ -514,17 +517,17 @@ static void lcd_implementation_status_screen() {
if (center && !valstr) {
int8_t pad = (LCD_WIDTH - lcd_strlen_P(pstr)) / 2;
while (--pad >= 0) { lcd_print(' '); n--; }
while (--pad >= 0) { u8g.print(' '); n--; }
}
while (n > 0 && (c = pgm_read_byte(pstr))) {
n -= lcd_print(c);
n -= lcd_print_and_count(c);
pstr++;
}
if (valstr) while (n > 0 && (c = *valstr)) {
n -= lcd_print(c);
n -= lcd_print_and_count(c);
valstr++;
}
while (n-- > 0) lcd_print(' ');
while (n-- > 0) u8g.print(' ');
}
#endif // LCD_INFO_MENU || FILAMENT_CHANGE_FEATURE
@ -539,13 +542,13 @@ static void lcd_implementation_status_screen() {
lcd_implementation_mark_as_selected(row, isSelected);
while (c = pgm_read_byte(pstr)) {
n -= lcd_print(c);
n -= lcd_print_and_count(c);
pstr++;
}
while (n--) lcd_print(' ');
while (n--) u8g.print(' ');
u8g.setPrintPos(LCD_PIXEL_WIDTH - (DOG_CHAR_WIDTH), (row + 1) * (DOG_CHAR_HEIGHT));
lcd_print(post_char);
lcd_print(' ');
u8g.print(' ');
}
// Macros for specific types of menu items
@ -563,11 +566,11 @@ static void lcd_implementation_status_screen() {
lcd_implementation_mark_as_selected(row, isSelected);
while (c = pgm_read_byte(pstr)) {
n -= lcd_print(c);
n -= lcd_print_and_count(c);
pstr++;
}
lcd_print(':');
while (n--) lcd_print(' ');
u8g.print(':');
while (n--) u8g.print(' ');
u8g.setPrintPos(LCD_PIXEL_WIDTH - (DOG_CHAR_WIDTH) * vallen, (row + 1) * (DOG_CHAR_HEIGHT));
if (pgm) lcd_printPGM(data); else lcd_print((char*)data);
}
@ -621,7 +624,7 @@ static void lcd_implementation_status_screen() {
u8g.setPrintPos(0, rowHeight + kHalfChar);
lcd_printPGM(pstr);
if (value != NULL) {
lcd_print(':');
u8g.print(':');
u8g.setPrintPos((lcd_width - 1 - vallen) * char_width, rows * rowHeight + kHalfChar);
lcd_print(value);
}
@ -643,10 +646,10 @@ static void lcd_implementation_status_screen() {
if (isDir) lcd_print(LCD_STR_FOLDER[0]);
while ((c = *filename)) {
n -= lcd_print(c);
n -= lcd_print_and_count(c);
filename++;
}
while (n--) lcd_print(' ');
while (n--) u8g.print(' ');
}
#define lcd_implementation_drawmenu_sdfile(sel, row, pstr, filename, longFilename) _drawmenu_sd(sel, row, pstr, filename, longFilename, false)

33
Marlin/ultralcd_impl_HD44780.h
View file

@ -375,20 +375,15 @@ static void lcd_implementation_init(
static void lcd_implementation_clear() { lcd.clear(); }
/* Arduino < 1.0.0 is missing a function to print PROGMEM strings, so we need to implement our own */
char lcd_printPGM(const char* str) {
char c, n = 0;
while ((c = pgm_read_byte(str++))) n += charset_mapper(c);
return n;
void lcd_printPGM(const char *str) {
for (; char c = pgm_read_byte(str); ++str) charset_mapper(c);
}
char lcd_print(const char* str) {
char c, n = 0;
unsigned char i = 0;
while ((c = str[i++])) n += charset_mapper(c);
return n;
void lcd_print(const char* str) {
for (uint8_t i = 0; char c = str[i]; ++i) charset_mapper(c);
}
unsigned lcd_print(char c) { return charset_mapper(c); }
void lcd_print(char c) { charset_mapper(c); }
#if ENABLED(SHOW_BOOTSCREEN)
@ -556,11 +551,11 @@ FORCE_INLINE void _draw_axis_label(AxisEnum axis, const char *pstr, bool blink)
lcd_printPGM(pstr);
else {
if (!axis_homed[axis])
lcd_printPGM(PSTR("?"));
lcd.print('?');
else {
#if DISABLED(DISABLE_REDUCED_ACCURACY_WARNING)
if (!axis_known_position[axis])
lcd_printPGM(PSTR(" "));
lcd.print(' ');
else
#endif
lcd_printPGM(pstr);
@ -694,7 +689,7 @@ static void lcd_implementation_status_screen() {
_draw_axis_label(X_AXIS, PSTR(MSG_X), blink);
lcd.print(ftostr4sign(current_position[X_AXIS]));
lcd_printPGM(PSTR(" "));
lcd.print(' ');
_draw_axis_label(Y_AXIS, PSTR(MSG_Y), blink);
lcd.print(ftostr4sign(current_position[Y_AXIS]));
@ -803,11 +798,11 @@ static void lcd_implementation_status_screen() {
while (--pad >= 0) { lcd.print(' '); n--; }
}
while (n > 0 && (c = pgm_read_byte(pstr))) {
n -= lcd_print(c);
n -= charset_mapper(c);
pstr++;
}
if (valstr) while (n > 0 && (c = *valstr)) {
n -= lcd_print(c);
n -= charset_mapper(c);
valstr++;
}
while (n-- > 0) lcd.print(' ');
@ -821,7 +816,7 @@ static void lcd_implementation_status_screen() {
lcd.setCursor(0, row);
lcd.print(sel ? pre_char : ' ');
while ((c = pgm_read_byte(pstr)) && n > 0) {
n -= lcd_print(c);
n -= charset_mapper(c);
pstr++;
}
while (n--) lcd.print(' ');
@ -834,7 +829,7 @@ static void lcd_implementation_status_screen() {
lcd.setCursor(0, row);
lcd.print(sel ? pre_char : ' ');
while ((c = pgm_read_byte(pstr)) && n > 0) {
n -= lcd_print(c);
n -= charset_mapper(c);
pstr++;
}
lcd.print(':');
@ -847,7 +842,7 @@ static void lcd_implementation_status_screen() {
lcd.setCursor(0, row);
lcd.print(sel ? pre_char : ' ');
while ((c = pgm_read_byte(pstr)) && n > 0) {
n -= lcd_print(c);
n -= charset_mapper(c);
pstr++;
}
lcd.print(':');
@ -899,7 +894,7 @@ static void lcd_implementation_status_screen() {
longFilename[n] = '\0';
}
while ((c = *filename) && n > 0) {
n -= lcd_print(c);
n -= charset_mapper(c);
filename++;
}
while (n--) lcd.print(' ');