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Merge pull request #5389 from thinkyhead/distribute_screen_updates

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Distribute GLCD screen updates in time
This commit is contained in:
Scott Lahteine 2016-12-05 20:08:33 -06:00 committed by GitHub
commit 6253b765aa
3 changed files with 59 additions and 43 deletions
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96
Marlin/ultralcd.cpp
View file

@ -64,6 +64,9 @@ 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)
#if ENABLED(DOGLCD)
bool drawing_screen = false;
#endif
#if ENABLED(DAC_STEPPER_CURRENT)
#include "stepper_dac.h" //was dac_mcp4728.h MarlinMain uses stepper dac for the m-codes
@ -413,6 +416,9 @@ uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to
#endif
lcdDrawUpdate = LCDVIEW_CALL_REDRAW_NEXT;
screen_changed = true;
#if ENABLED(DOGLCD)
drawing_screen = false;
#endif
}
}
@ -2832,6 +2838,9 @@ void lcd_update() {
encoderPosition += (encoderDiff * encoderMultiplier) / ENCODER_PULSES_PER_STEP;
encoderDiff = 0;
#if ENABLED(DOGLCD)
drawing_screen = false; // refresh the complete screen for a encoder change (different menu-item/value)
#endif
}
return_to_status_ms = ms + LCD_TIMEOUT_TO_STATUS;
lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
@ -2864,20 +2873,28 @@ void lcd_update() {
if (LCD_HANDLER_CONDITION) {
if (lcdDrawUpdate) {
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(DOGLCD)
if (lcdDrawUpdate || drawing_screen)
#else
if (lcdDrawUpdate)
#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
@ -2885,17 +2902,13 @@ void lcd_update() {
#endif
#if ENABLED(DOGLCD) // Changes due to different driver architecture of the DOGM display
static int8_t dot_color = 0;
dot_color = 1 - dot_color;
u8g.firstPage();
do {
lcd_setFont(FONT_MENU);
u8g.setPrintPos(125, 0);
u8g.setColorIndex(dot_color); // Set color for the alive dot
u8g.drawPixel(127, 63); // draw alive dot
u8g.setColorIndex(1); // black on white
CURRENTSCREEN();
} while (u8g.nextPage());
if (!drawing_screen) {
u8g.firstPage();
drawing_screen = 1;
}
lcd_setFont(FONT_MENU);
CURRENTSCREEN();
if (drawing_screen && (drawing_screen = u8g.nextPage())) return;
#else
CURRENTSCREEN();
#endif
@ -2911,22 +2924,25 @@ void lcd_update() {
#endif // ULTIPANEL
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
#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
}
} // LCD_HANDLER_CONDITION
}
} // ELAPSED(ms, next_lcd_update_ms)
}
void set_utf_strlen(char* s, uint8_t n) {

2
Marlin/ultralcd_impl_DOGM.h
View file

@ -145,7 +145,7 @@
#elif ENABLED(U8GLIB_ST7920)
//U8GLIB_ST7920_128X64_4X u8g(LCD_PINS_D4, LCD_PINS_ENABLE, LCD_PINS_RS); // Original u8glib device. 2 stripes
// No 4 stripe device available from u8glib.
//U8GLIB_ST7920_128X64 u8g(LCD_PINS_D4, LCD_PINS_ENABLE, LCD_PINS_RS); // Original u8glib device. 8 stripes
//U8GLIB_ST7920_128X64_1X u8g(LCD_PINS_D4, LCD_PINS_ENABLE, LCD_PINS_RS); // Original u8glib device. 8 stripes
U8GLIB_ST7920_128X64_RRD u8g(0); // Number of stripes can be adjusted in ultralcd_st7920_u8glib_rrd.h with PAGE_HEIGHT
#elif ENABLED(CARTESIO_UI)
// The CartesioUI display

4
Marlin/ultralcd_st7920_u8glib_rrd.h
View file

@ -32,8 +32,8 @@
#define ST7920_CS_PIN LCD_PINS_RS
//#define PAGE_HEIGHT 8 //128 byte framebuffer
//#define PAGE_HEIGHT 16 //256 byte framebuffer
#define PAGE_HEIGHT 32 //512 byte framebuffer
#define PAGE_HEIGHT 16 //256 byte framebuffer
//#define PAGE_HEIGHT 32 //512 byte framebuffer
#define LCD_PIXEL_WIDTH 128
#define LCD_PIXEL_HEIGHT 64