f4088f5762
stopped using private header folder (for ease of development - for now) implemented basic gui service (WIP) added sdkconfig.defaults to the repo updated docs
131 lines
3.9 KiB
C
131 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_check.h>
|
|
#include <esp_lcd_panel_ops.h>
|
|
#include <driver/gpio.h>
|
|
#include <driver/spi_master.h>
|
|
#include <freertos/FreeRTOS.h>
|
|
#include <freertos/semphr.h>
|
|
|
|
static const char* 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(nb_display_t* 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;
|
|
}
|
|
|
|
nb_display_driver_t board_2432s024_create_display_driver() {
|
|
return (nb_display_driver_t) {
|
|
.name = "ili9341_2432s024",
|
|
.create_display = &prv_create_display
|
|
};
|
|
}
|