Peter Siegmund
918efcfa17
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Signed-off-by: Peter Siegmund <developer@mars3142.org>
95 lines
5.3 KiB
C++
95 lines
5.3 KiB
C++
#include "lgfx.h"
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LGFX::LGFX(void)
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{
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{ // Configure bus control settings
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auto cfg = _bus_instance.config(); // Get structure for bus configuration
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// 8-bit parallel bus configuration
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// cfg.i2s_port = I2S_NUM_0; // Select I2S port to use (I2S_NUM_0 or I2S_NUM_1) (ESP32 I2S
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// LCD mode is used)
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cfg.freq_write = 20000000; // Transmission clock (max 20MHz, rounded to integer division of 80MHz)
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cfg.pin_wr = 47; // Pin number connected to WR
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cfg.pin_rd = -1; // Pin number connected to RD
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cfg.pin_rs = 0; // Pin number connected to RS(D/C)
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cfg.pin_d0 = 9; // Pin number connected to D0
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cfg.pin_d1 = 46; // Pin number connected to D1
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cfg.pin_d2 = 3; // Pin number connected to D2
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cfg.pin_d3 = 8; // Pin number connected to D3
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cfg.pin_d4 = 18; // Pin number connected to D4
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cfg.pin_d5 = 17; // Pin number connected to D5
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cfg.pin_d6 = 16; // Pin number connected to D6
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cfg.pin_d7 = 15; // Pin number connected to D7
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_bus_instance.config(cfg); // Apply configuration values to bus
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_panel_instance.setBus(&_bus_instance); // Set bus to panel
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}
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{ // Configure display panel control settings
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auto cfg = _panel_instance.config(); // Get structure for display panel configuration
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cfg.pin_cs = -1; // Pin number connected to CS (-1 = disable)
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cfg.pin_rst = 4; // Pin number connected to RST (-1 = disable)
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cfg.pin_busy = -1; // Pin number connected to BUSY (-1 = disable)
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// Note:
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// The following configuration values have common default values set for each panel, so please comment out
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// unknown items and try them.
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cfg.panel_width = 320; // Actual displayable width
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cfg.panel_height = 480; // Actual displayable height
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cfg.offset_x = 0; // Panel X direction offset amount
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cfg.offset_y = 0; // Panel Y direction offset amount
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cfg.offset_rotation = 0; // Rotation direction value offset 0~7 (4~7 are upside down)
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cfg.dummy_read_pixel = 8; // Number of dummy read bits before pixel reading
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cfg.dummy_read_bits = 1; // Number of dummy read bits before reading data other than pixels
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cfg.readable = true; // Set to true if data reading is possible
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cfg.invert = true; // Set to true if panel brightness is inverted
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cfg.rgb_order = false; // Set to true if panel red and blue are swapped
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cfg.dlen_16bit =
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false; // Set to true for panels that send data length in 16-bit units via 16-bit parallel or SPI
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cfg.bus_shared = true; // Set to true if sharing bus with SD card (bus control is performed by drawJpgFile etc.)
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// The following should only be set if the display is misaligned on drivers with variable pixel counts like
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// ST7735 or ILI9163.
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// cfg.memory_width = 240; // Maximum width supported by driver IC
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// cfg.memory_height = 320; // Maximum height supported by driver IC
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_panel_instance.config(cfg);
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}
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//*
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{ // Configure backlight control settings (delete if not needed)
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auto cfg = _light_instance.config(); // Get structure for backlight configuration
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cfg.pin_bl = 45; // Pin number connected to backlight
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cfg.invert = false; // Set to true to invert backlight brightness
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cfg.freq = 44100; // Backlight PWM frequency
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cfg.pwm_channel = 7; // PWM channel number to use
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_light_instance.config(cfg);
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_panel_instance.setLight(&_light_instance); // Set backlight to panel
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}
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{ // Configure touch screen control settings (delete if not needed)
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auto cfg = _touch_instance.config();
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cfg.x_min = 0; // Minimum X value obtained from touch screen (raw value)
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cfg.x_max = 319; // Maximum X value obtained from touch screen (raw value)
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cfg.y_min = 0; // Minimum Y value obtained from touch screen (raw value)
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cfg.y_max = 479; // Maximum Y value obtained from touch screen (raw value)
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cfg.pin_int = 7; // Pin number connected to INT
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cfg.bus_shared = true; // Set to true if using common bus with screen
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cfg.offset_rotation = 0; // Adjustment when display and touch orientation don't match, set value 0~7
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// For I2C connection
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cfg.i2c_port = 1; // Select I2C to use (0 or 1)
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cfg.i2c_addr = 0x38; // I2C device address number
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cfg.pin_sda = 6; // Pin number connected to SDA
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cfg.pin_scl = 5; // Pin number connected to SCL
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cfg.freq = 400000; // Set I2C clock
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_touch_instance.config(cfg);
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_panel_instance.setTouch(&_touch_instance); // Set touch screen to panel
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}
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//*/
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setPanel(&_panel_instance); // Set panel to use
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};
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