thooge/esp32-nmea2000-obp60
1
0
Fork 0
mirror of https://github.com/thooge/esp32-nmea2000-obp60.git synced 2026-08-18 10:22:31 +02:00
Code Releases Activity

Modify TFT display initialisiation

Browse Source
This commit is contained in:
norbert-walter
2026-03-19 17:34:10 +01:00
parent 7c6005958e
commit 5fcca363f8
2 changed files with 50 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/obp60task/OBP60Extensions.h
+48 -6
View File
@@ -94,16 +94,13 @@ class LGFX : public lgfx::LGFX_Device {
public:
lgfx::Bus_SPI _bus_instance;
#ifdef TFT_320x480_ST7796
LGFX(void) {
{
auto cfg = _bus_instance.config();
cfg.spi_host = SPI2_HOST;
cfg.spi_mode = 0;
#if defined(TFT_320x480_ILI9488)
cfg.freq_write = 40000000;
#else
cfg.freq_write = 80000000;
#endif
cfg.freq_write = 80000000; // High speed ST7796
cfg.freq_read = 16000000;
cfg.pin_sclk = OBP_SPI_CLK;
cfg.pin_mosi = OBP_SPI_DIN;
@@ -121,7 +118,7 @@ public:
cfg.panel_height = 480; // Native hight resolution
cfg.offset_x = 0; // No panel offset: full framebuffer mapping
cfg.offset_y = 0; // No panel offset: full framebuffer mapping
cfg.offset_rotation = 3; // Rotate display content conter clock wise 90 deg
cfg.offset_rotation = 3; // Rotate display content conter clock wise 90 deg ST7796
cfg.dummy_read_pixel = 8;
cfg.dummy_read_bits = 1;
cfg.memory_width = 320;
@@ -139,6 +136,51 @@ public:
// Match Adafruit GFX cursor semantics: y coordinate is text baseline.
setTextDatum(textdatum_t::baseline_left);
}
#endif
#ifdef TFT_320x480_ILI9488
LGFX(void) {
{
auto cfg = _bus_instance.config();
cfg.spi_host = SPI2_HOST;
cfg.spi_mode = 0;
cfg.freq_write = 40000000; // Slow speed ILI9488
cfg.freq_read = 16000000;
cfg.pin_sclk = OBP_SPI_CLK;
cfg.pin_mosi = OBP_SPI_DIN;
cfg.pin_miso = -1;
cfg.pin_dc = OBP_SPI_DC;
_bus_instance.config(cfg);
_panel_instance.setBus(&_bus_instance);
}
{
auto cfg = _panel_instance.config();
cfg.pin_cs = OBP_SPI_CS;
cfg.pin_rst = OBP_SPI_RST;
cfg.pin_busy = -1;
cfg.panel_width = 320; // Native width resolution
cfg.panel_height = 480; // Native hight resolution
cfg.offset_x = 0; // No panel offset: full framebuffer mapping
cfg.offset_y = 0; // No panel offset: full framebuffer mapping
cfg.offset_rotation = 1; // Rotate display content clock wise 90 deg ILI9488
cfg.dummy_read_pixel = 8;
cfg.dummy_read_bits = 1;
cfg.memory_width = 320;
cfg.memory_height = 480;
// cfg.pwm_control not available in this LovyanGFX version
cfg.invert = false;
cfg.rgb_order = false;
cfg.dlen_16bit = false;
cfg.bus_shared = true;
_panel_instance.config(cfg);
}
// No dedicated TFT PWM backlight pin configured on this board.
// Keep backlight handling outside LovyanGFX to avoid LEDC init on invalid GPIO.
setPanel(&_panel_instance);
// Match Adafruit GFX cursor semantics: y coordinate is text baseline.
setTextDatum(textdatum_t::baseline_left);
}
#endif
// compatibility helpers --------------------------------------------------
using lgfx::LGFX_Device::setFont;
lib/obp60task/platformio.ini
+2 -2
View File
@@ -56,8 +56,8 @@ build_flags=
# -D HARDWARE_V20 #OBP60 hardware revision V2.0
-D HARDWARE_V21 #OBP60 hardware revision V2.1
-D TFT_DISPLAY #Enable TFT LCD display path (instead of E-Ink)
-D TFT_320x480_ST7796 #TFT panel type: ST7796 (320x480)
# -D TFT_320x480_ILI9488 #TFT panel type: ILI9488 (320x480), use instead of ST7796
# -D TFT_320x480_ST7796 #TFT panel type: ST7796 (320x480, 80 MHz), best performance
-D TFT_320x480_ILI9488 #TFT panel type: ILI9488 (320x480, 40 MHz), lower performance
-D OBP_TFT_ENABLE_SCALING=1 #TFT scaling on/off (1=scale to max Y=320, 0=no scaling)
-D OBP_TFT_SCALE_ANTIALIAS=1 #Antialiasing for TFT scaling (1=on, 0=off)
# -D ENABLE_PATCHES #enable patching of gateway code