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Fix ILI9341 hardware scroll

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This commit is contained in:
Theo Arends 2020-06-22 17:36:39 +02:00
parent 55f9b23f61
commit 04ec0832fc
1 changed files with 23 additions and 15 deletions
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38
tasmota/xdsp_04_ili9341.ino
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@ -34,12 +34,29 @@
Adafruit_ILI9341 *tft;
uint16_t tft_scroll = TFT_TOP;
uint16_t tft_top = TFT_TOP;
uint16_t tft_bottom = TFT_BOTTOM;
uint16_t tft_scroll = TFT_TOP;
uint16_t tft_cols = 0;
/*********************************************************************************************/
bool Ili9341Header(void) {
if (Settings.display_cols[0] != tft_cols) {
tft_cols = Settings.display_cols[0];
if (tft_cols > 17) {
tft_top = TFT_TOP;
tft_bottom = TFT_BOTTOM;
} else {
tft_top = 0;
tft_bottom = 0;
}
tft_scroll = tft_top;
tft->setScrollMargins(tft_top, tft_bottom);
}
return (tft_cols > 17);
}
void Ili9341InitMode(void)
{
tft->setRotation(Settings.display_rotate); // 0
@ -52,15 +69,12 @@ void Ili9341InitMode(void)
tft->setTextColor(ILI9341_WHITE, ILI9341_BLACK);
tft->setTextSize(1);
} else {
tft_top = TFT_TOP;
tft_bottom = TFT_BOTTOM;
tft->setScrollMargins(tft_top, tft_bottom);
Ili9341Header();
tft->setCursor(0, 0);
tft->setTextColor(ILI9341_YELLOW, ILI9341_BLACK);
tft->setTextSize(2);
// tft->println("HEADER");
tft_scroll = tft_top;
}
}
@ -105,6 +119,8 @@ void Ili9341InitDriver(void)
#endif // USE_DISPLAY_MODES1TO5
Ili9341InitMode();
AddLog_P2(LOG_LEVEL_INFO, PSTR("DSP: ILI9341"));
}
}
@ -168,7 +184,7 @@ void Ili9341PrintLog(void)
tft->setCursor(0, tft_scroll);
tft->fillRect(0, tft_scroll, tft->width(), theight, ILI9341_BLACK); // Erase line
tft->print(txt);
if (tft_top) { tft_scroll += theight; }
tft_scroll += theight;
if (tft_scroll >= (tft->height() - tft_bottom)) {
tft_scroll = tft_top;
}
@ -201,17 +217,13 @@ void Ili9341Refresh(void) // Every second
// 24-04-2017 13:45:43 = 19 + 1 ('\0') = 20
// 24-04-2017 13:45 = 16 + 1 ('\0') = 17
if (Settings.display_cols[0] > 17) {
if (Ili9341Header()) {
char tftdt[Settings.display_cols[0] +1];
char date4[11]; // 24-04-2017
uint8_t time_size = (Settings.display_cols[0] >= 20) ? 9 : 6; // 13:45:43 or 13:45
char spaces[Settings.display_cols[0] - (8 + time_size)];
char time[time_size]; // 13:45:43
tft_top = TFT_TOP;
tft_bottom = TFT_BOTTOM;
tft_scroll = tft_top;
tft->setScrollMargins(tft_top, tft_bottom);
tft->setTextSize(Settings.display_size);
tft->setTextColor(ILI9341_YELLOW, ILI9341_RED); // Add background color to solve flicker
tft->setCursor(0, 0);
@ -224,10 +236,6 @@ void Ili9341Refresh(void) // Every second
tft->print(tftdt);
} else {
tft_top = 0;
tft_bottom = 0;
tft_scroll = tft_top;
tft->setScrollMargins(tft_top, tft_bottom);
tft->setCursor(0, 0);
}