Tactiliest/components/board_2432s024/board_2432s024_display.c
Ken Van Hoeylandt f0cfd3c34d implemented gui and view_port
using flipper source (adapted)
disabled key input for now
disabled non-fullscreen drawing for now
2023-12-27 23:53:19 +01:00

130 lines
3.9 KiB
C

#include "board_2432s024_display.h"
#include "esp_lcd_ili9341.h"
#include "esp_log.h"
#include "esp_err.h"
#include "esp_lcd_panel_ops.h"
#include "driver/gpio.h"
#include "driver/spi_master.h"
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#define TAG "2432s024_ili9341"
static SemaphoreHandle_t refresh_finish = NULL;
#define LCD_SPI_HOST SPI2_HOST
#define LCD_PIN_SCLK GPIO_NUM_14
#define LCD_PIN_MOSI GPIO_NUM_13
#define LCD_PIN_CS GPIO_NUM_15
#define LCD_PIN_DC GPIO_NUM_2
#define LCD_PIN_BACKLIGHT GPIO_NUM_27
#define LCD_HORIZONTAL_RESOLUTION 240
#define LCD_VERTICAL_RESOLUTION 320
#define LCD_BITS_PER_PIXEL 16
#define LCD_DRAW_BUFFER_HEIGHT 80
IRAM_ATTR static bool prv_on_color_trans_done(esp_lcd_panel_io_handle_t io_handle, esp_lcd_panel_io_event_data_t* edata, void* user_ctx) {
BaseType_t need_yield = pdFALSE;
xSemaphoreGiveFromISR(refresh_finish, &need_yield);
return (need_yield == pdTRUE);
}
static bool prv_create_display(NbDisplay* display) {
ESP_LOGI(TAG, "creating display");
gpio_config_t io_conf = {
.pin_bit_mask = BIT64(LCD_PIN_BACKLIGHT),
.mode = GPIO_MODE_OUTPUT,
.pull_up_en = GPIO_PULLUP_DISABLE,
.pull_down_en = GPIO_PULLDOWN_DISABLE,
.intr_type = GPIO_INTR_DISABLE,
};
gpio_config(&io_conf);
size_t draw_buffer_size = LCD_HORIZONTAL_RESOLUTION * LCD_DRAW_BUFFER_HEIGHT * (LCD_BITS_PER_PIXEL / 8);
const spi_bus_config_t bus_config = ILI9341_PANEL_BUS_SPI_CONFIG(
LCD_PIN_SCLK,
LCD_PIN_MOSI,
draw_buffer_size
);
if (spi_bus_initialize(LCD_SPI_HOST, &bus_config, SPI_DMA_CH_AUTO) != ESP_OK) {
ESP_LOGD(TAG, "spi bus init failed");
return false;
}
const esp_lcd_panel_io_spi_config_t panel_io_config = ILI9341_PANEL_IO_SPI_CONFIG(
LCD_PIN_CS,
LCD_PIN_DC,
prv_on_color_trans_done,
NULL
);
if (esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)LCD_SPI_HOST, &panel_io_config, &display->io_handle) != ESP_OK) {
ESP_LOGD(TAG, "failed to create panel");
return false;
}
ESP_LOGI(TAG, "install driver");
const esp_lcd_panel_dev_config_t panel_config = {
.reset_gpio_num = GPIO_NUM_NC,
.rgb_endian = LCD_RGB_ENDIAN_RGB,
.bits_per_pixel = LCD_BITS_PER_PIXEL,
};
if (esp_lcd_new_panel_ili9341(display->io_handle, &panel_config, &display->display_handle) != ESP_OK) {
ESP_LOGD(TAG, "failed to create ili9341");
return false;
}
if (esp_lcd_panel_reset(display->display_handle) != ESP_OK) {
ESP_LOGD(TAG, "failed to reset panel");
return false;
}
if (esp_lcd_panel_init(display->display_handle) != ESP_OK) {
ESP_LOGD(TAG, "failed to init panel");
return false;
}
if (esp_lcd_panel_mirror(display->display_handle, true, false) != ESP_OK) {
ESP_LOGD(TAG, "failed to set panel to mirror");
display->mirror_x = true;
display->mirror_y = false;
return false;
}
if (esp_lcd_panel_swap_xy(display->display_handle, false) != ESP_OK) {
ESP_LOGD(TAG, "failed to set panel xy swap");
display->swap_xy = false;
return false;
}
if (esp_lcd_panel_disp_on_off(display->display_handle, true) != ESP_OK) {
ESP_LOGD(TAG, "failed to turn display on");
return false;
}
if (gpio_set_level(LCD_PIN_BACKLIGHT, 1) != ESP_OK) {
ESP_LOGD(TAG, "failed to turn backlight on");
return false;
}
display->horizontal_resolution = LCD_HORIZONTAL_RESOLUTION;
display->vertical_resolution = LCD_VERTICAL_RESOLUTION;
display->draw_buffer_height = LCD_DRAW_BUFFER_HEIGHT;
display->bits_per_pixel = LCD_BITS_PER_PIXEL;
return true;
}
NbDisplayDriver board_2432s024_create_display_driver() {
return (NbDisplayDriver) {
.name = "ili9341_2432s024",
.create_display = &prv_create_display
};
}