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New device unPhone using HX8357D LCD and XPT2046 touchscreen

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This commit is contained in:
Gareth Coleman
2024-04-03 20:17:13 +01:00
committed by Thomas Göttgens
parent f0b6ff9b2d
commit be889015f7
8 changed files with 218 additions and 16 deletions
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113
src/graphics/TFTDisplay.cpp
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@@ -402,9 +402,95 @@ class LGFX : public lgfx::LGFX_Device
};
static LGFX *tft = nullptr;
#elif defined(HX8357_CS)
#include <LovyanGFX.hpp> // Graphics and font library for HX8357 driver chip
class LGFX : public lgfx::LGFX_Device
{
lgfx::Panel_HX8357D _panel_instance;
lgfx::Bus_SPI _bus_instance;
#if defined(USE_XPT2046)
lgfx::ITouch *_touch_instance;
// lgfx::Touch_XPT2046 _touch_instance;
#endif
public:
LGFX(void)
{
// Panel_HX8357D
{
// configure SPI
auto cfg = _bus_instance.config();
cfg.spi_host = HX8357_SPI_HOST;
cfg.spi_mode = 0;
cfg.freq_write = SPI_FREQUENCY; // SPI clock for transmission (up to 80MHz, rounded to the value obtained by dividing
// 80MHz by an integer)
cfg.freq_read = SPI_READ_FREQUENCY; // SPI clock when receiving
cfg.spi_3wire = false; // Set to true if reception is done on the MOSI pin
cfg.use_lock = true; // Set to true to use transaction locking
cfg.dma_channel = SPI_DMA_CH_AUTO; // SPI_DMA_CH_AUTO; // Set DMA channel to use (0=not use DMA / 1=1ch / 2=ch /
// SPI_DMA_CH_AUTO=auto setting)
cfg.pin_sclk = HX8357_SCK; // Set SPI SCLK pin number
cfg.pin_mosi = HX8357_MOSI; // Set SPI MOSI pin number
cfg.pin_miso = HX8357_MISO; // Set SPI MISO pin number (-1 = disable)
cfg.pin_dc = HX8357_RS; // Set SPI DC pin number (-1 = disable)
_bus_instance.config(cfg); // applies the set value to the bus.
_panel_instance.setBus(&_bus_instance); // set the bus on the panel.
}
{
// Set the display panel control.
auto cfg = _panel_instance.config(); // Gets a structure for display panel settings.
cfg.pin_cs = HX8357_CS; // Pin number where CS is connected (-1 = disable)
cfg.pin_rst = HX8357_RESET; // Pin number where RST is connected (-1 = disable)
cfg.pin_busy = HX8357_BUSY; // Pin number where BUSY is connected (-1 = disable)
cfg.panel_width = TFT_WIDTH; // actual displayable width
cfg.panel_height = TFT_HEIGHT; // actual displayable height
cfg.offset_x = TFT_OFFSET_X; // Panel offset amount in X direction
cfg.offset_y = TFT_OFFSET_Y; // Panel offset amount in Y direction
cfg.offset_rotation = TFT_OFFSET_ROTATION; // Rotation direction value offset 0~7 (4~7 is upside down)
cfg.dummy_read_pixel = 8; // Number of bits for dummy read before pixel readout
cfg.dummy_read_bits = 1; // Number of bits for dummy read before non-pixel data read
cfg.readable = true; // Set to true if data can be read
cfg.invert = TFT_INVERT; // Set to true if the light/darkness of the panel is reversed
cfg.rgb_order = false; // Set to true if the panel's red and blue are swapped
cfg.dlen_16bit = false;
cfg.bus_shared = true; // If the bus is shared with the SD card, set to true (bus control with drawJpgFile etc.)
_panel_instance.config(cfg);
}
#if defined(USE_XPT2046)
{
// Configure settings for touch control.
_touch_instance = new lgfx::Touch_XPT2046;
auto touch_cfg = _touch_instance->config();
touch_cfg.pin_cs = TOUCH_CS;
touch_cfg.x_min = 0;
touch_cfg.x_max = TFT_HEIGHT - 1;
touch_cfg.y_min = 0;
touch_cfg.y_max = TFT_WIDTH - 1;
touch_cfg.pin_int = -1;
touch_cfg.bus_shared = true;
touch_cfg.offset_rotation = 1;
_touch_instance->config(touch_cfg);
//_panel_instance->setTouch(_touch_instance);
}
#endif
setPanel(&_panel_instance);
}
};
static LGFX *tft = nullptr;
#endif
#if defined(ST7735_CS) || defined(ST7789_CS) || defined(ILI9341_DRIVER) || defined(RAK14014) || \
#if defined(ST7735_CS) || defined(ST7789_CS) || defined(ILI9341_DRIVER) || defined(RAK14014) || defined(HX8357_CS) || \
(ARCH_PORTDUINO && HAS_SCREEN != 0)
#include "SPILock.h"
#include "TFTDisplay.h"
@@ -487,7 +573,13 @@ void TFTDisplay::sendCommand(uint8_t com)
#ifdef VTFT_CTRL
digitalWrite(VTFT_CTRL, LOW);
#endif
#ifdef UNPHONE
Wire.beginTransmission(0x26);
Wire.write(0x02);
Wire.write(0x04); // Backlight on
Wire.write(0x22); // G&B LEDs off
Wire.endTransmission();
#endif
#ifdef RAK14014
#elif !defined(M5STACK)
tft->setBrightness(172);
@@ -514,6 +606,13 @@ void TFTDisplay::sendCommand(uint8_t com)
#ifdef VTFT_CTRL
digitalWrite(VTFT_CTRL, HIGH);
#endif
#ifdef UNPHONE
Wire.beginTransmission(0x26);
Wire.write(0x02);
Wire.write(0x00); // Backlight off
Wire.write(0x22); // G&B LEDs off
Wire.endTransmission();
#endif
#ifdef RAK14014
#elif !defined(M5STACK)
tft->setBrightness(0);
@@ -585,6 +684,14 @@ bool TFTDisplay::connect()
pinMode(ST7735_BL_V05, OUTPUT);
digitalWrite(ST7735_BL_V05, TFT_BACKLIGHT_ON);
#endif
#ifdef UNPHONE
Wire.beginTransmission(0x26);
Wire.write(0x02);
Wire.write(0x04); // Backlight on
Wire.write(0x22); // G&B LEDs off
Wire.endTransmission();
LOG_INFO("Power to TFT Backlight\n");
#endif
tft->init();
@@ -606,4 +713,4 @@ bool TFTDisplay::connect()
return true;
}
#endif
#endif