Files
tactility/Drivers/ST7305/Source/St7305Display.cpp
T
2026-07-09 21:44:49 -04:00

100 lines
3.2 KiB
C++

#include "St7305Display.h"
#include "esp_lcd_st7305.h"
#include <Tactility/Logger.h>
#include <esp_lcd_panel_ops.h>
#include <esp_lvgl_port.h>
static const auto LOGGER = tt::Logger("ST7305");
bool St7305Display::createIoHandle(esp_lcd_panel_io_handle_t& outHandle) {
LOGGER.info("Starting ST7305 SPI panel IO creation");
const esp_lcd_panel_io_spi_config_t panel_io_config = {
.cs_gpio_num = configuration->csPin,
.dc_gpio_num = configuration->dcPin,
.spi_mode = 0,
.pclk_hz = configuration->pixelClockFrequency,
.trans_queue_depth = configuration->transactionQueueDepth,
.on_color_trans_done = nullptr,
.user_ctx = nullptr,
.lcd_cmd_bits = 8,
.lcd_param_bits = 8,
.flags = {
.dc_high_on_cmd = 0,
.dc_low_on_data = 0,
.dc_low_on_param = 0,
.octal_mode = 0,
.quad_mode = 0,
.sio_mode = 0,
.lsb_first = 0,
.cs_high_active = 0
}
};
if (esp_lcd_new_panel_io_spi(configuration->spiHostDevice, &panel_io_config, &outHandle) != ESP_OK) {
LOGGER.error("Failed to create panel SPI IO");
return false;
}
return true;
}
bool St7305Display::createPanelHandle(esp_lcd_panel_io_handle_t ioHandle, esp_lcd_panel_handle_t& panelHandle) {
const esp_lcd_panel_dev_config_t panel_config = {
.reset_gpio_num = configuration->resetPin,
.color_space = ESP_LCD_COLOR_SPACE_MONOCHROME,
.data_endian = LCD_RGB_DATA_ENDIAN_BIG,
.bits_per_pixel = 1,
.flags = {
.reset_active_high = false
},
.vendor_config = nullptr
};
if (esp_lcd_new_panel_st7305(ioHandle, &panel_config, &panelHandle) != ESP_OK) {
LOGGER.error("Failed to create st7305 panel");
return false;
}
if (esp_lcd_panel_reset(panelHandle) != ESP_OK) {
LOGGER.error("Failed to reset st7305 panel");
return false;
}
if (esp_lcd_panel_init(panelHandle) != ESP_OK) {
LOGGER.error("Failed to init st7305 panel");
return false;
}
return true;
}
lvgl_port_display_cfg_t St7305Display::getLvglPortDisplayConfig(esp_lcd_panel_io_handle_t ioHandle, esp_lcd_panel_handle_t panelHandle) {
return lvgl_port_display_cfg_t {
.io_handle = ioHandle,
.panel_handle = panelHandle,
.control_handle = nullptr,
.buffer_size = configuration->bufferSize,
.double_buffer = false, // Monochrome displays usually use single buffering to save RAM
.trans_size = 0,
.hres = configuration->horizontalResolution,
.vres = configuration->verticalResolution,
.monochrome = true, // Enables esp_lvgl_port monochrome converter
.rotation = {
.swap_xy = false,
.mirror_x = false,
.mirror_y = false,
},
.color_format = LV_COLOR_FORMAT_RGB565, // Must be RGB565 for monochrome mode to trigger converter
.flags = {
.buff_dma = false,
.buff_spiram = false,
.sw_rotate = false,
.swap_bytes = false,
.full_refresh = true, // We want full refresh to rewrite the converted block format to ST7305
.direct_mode = false
}
};
}