kopia lustrzana https://github.com/espressif/esp-idf
395 wiersze
16 KiB
C
395 wiersze
16 KiB
C
/*
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* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: CC0-1.0
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*/
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#include <stdio.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_timer.h"
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#include "esp_lcd_panel_io.h"
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#include "esp_lcd_panel_vendor.h"
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#include "esp_lcd_panel_ops.h"
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#include "driver/gpio.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "lvgl.h"
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#if CONFIG_EXAMPLE_LCD_TOUCH_ENABLED
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#include "driver/i2c.h"
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#if CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_GT911
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#include "esp_lcd_touch_gt911.h"
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#elif CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_TT21100
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#include "esp_lcd_touch_tt21100.h"
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#elif CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_FT5X06
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#include "esp_lcd_touch_ft5x06.h"
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#endif
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#endif
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static const char *TAG = "example";
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//////////////////// Please update the following configuration according to your LCD spec //////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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#if CONFIG_EXAMPLE_LCD_I80_COLOR_IN_PSRAM
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// PCLK frequency can't go too high as the limitation of PSRAM bandwidth
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#define EXAMPLE_LCD_PIXEL_CLOCK_HZ (2 * 1000 * 1000)
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#else
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#define EXAMPLE_LCD_PIXEL_CLOCK_HZ (10 * 1000 * 1000)
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#endif // CONFIG_EXAMPLE_LCD_I80_COLOR_IN_PSRAM
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#define EXAMPLE_LCD_BK_LIGHT_ON_LEVEL 1
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#define EXAMPLE_LCD_BK_LIGHT_OFF_LEVEL !EXAMPLE_LCD_BK_LIGHT_ON_LEVEL
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#define EXAMPLE_PIN_NUM_DATA0 6
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#define EXAMPLE_PIN_NUM_DATA1 7
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#define EXAMPLE_PIN_NUM_DATA2 8
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#define EXAMPLE_PIN_NUM_DATA3 9
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#define EXAMPLE_PIN_NUM_DATA4 10
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#define EXAMPLE_PIN_NUM_DATA5 11
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#define EXAMPLE_PIN_NUM_DATA6 12
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#define EXAMPLE_PIN_NUM_DATA7 13
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#if CONFIG_EXAMPLE_LCD_I80_BUS_WIDTH > 8
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#define EXAMPLE_PIN_NUM_DATA8 14
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#define EXAMPLE_PIN_NUM_DATA9 15
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#define EXAMPLE_PIN_NUM_DATA10 16
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#define EXAMPLE_PIN_NUM_DATA11 17
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#define EXAMPLE_PIN_NUM_DATA12 18
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#define EXAMPLE_PIN_NUM_DATA13 19
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#define EXAMPLE_PIN_NUM_DATA14 20
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#define EXAMPLE_PIN_NUM_DATA15 21
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#endif
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#define EXAMPLE_PIN_NUM_PCLK 5
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#define EXAMPLE_PIN_NUM_CS 3
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#define EXAMPLE_PIN_NUM_DC 4
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#define EXAMPLE_PIN_NUM_RST 2
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#define EXAMPLE_PIN_NUM_BK_LIGHT 1
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// The pixel number in horizontal and vertical
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#define EXAMPLE_LCD_H_RES 240
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#define EXAMPLE_LCD_V_RES 280
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// Bit number used to represent command and parameter
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#if CONFIG_EXAMPLE_LCD_I80_CONTROLLER_ST7789
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#define EXAMPLE_LCD_CMD_BITS 8
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#define EXAMPLE_LCD_PARAM_BITS 8
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#elif CONFIG_EXAMPLE_LCD_I80_CONTROLLER_NT35510
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#define EXAMPLE_LCD_CMD_BITS 16
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#define EXAMPLE_LCD_PARAM_BITS 16
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#elif CONFIG_EXAMPLE_LCD_I80_CONTROLLER_ILI9341
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#define EXAMPLE_LCD_CMD_BITS 8
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#define EXAMPLE_LCD_PARAM_BITS 8
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#endif
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#if CONFIG_EXAMPLE_LCD_TOUCH_ENABLED
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#define EXAMPLE_I2C_NUM 0 // I2C number
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#define EXAMPLE_I2C_SCL 39
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#define EXAMPLE_I2C_SDA 40
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#endif
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#define EXAMPLE_LVGL_TICK_PERIOD_MS 2
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// Supported alignment: 16, 32, 64. A higher alignment can enables higher burst transfer size, thus a higher i80 bus throughput.
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#define EXAMPLE_PSRAM_DATA_ALIGNMENT 64
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extern void example_lvgl_demo_ui(lv_disp_t *disp);
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static bool example_notify_lvgl_flush_ready(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_io_event_data_t *edata, void *user_ctx)
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{
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lv_disp_drv_t *disp_driver = (lv_disp_drv_t *)user_ctx;
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lv_disp_flush_ready(disp_driver);
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return false;
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}
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static void example_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
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{
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esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t) drv->user_data;
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int offsetx1 = area->x1;
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int offsetx2 = area->x2;
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int offsety1 = area->y1;
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int offsety2 = area->y2;
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// copy a buffer's content to a specific area of the display
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esp_lcd_panel_draw_bitmap(panel_handle, offsetx1, offsety1, offsetx2 + 1, offsety2 + 1, color_map);
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}
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#if CONFIG_EXAMPLE_LCD_TOUCH_ENABLED
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static void example_lvgl_touch_cb(lv_indev_drv_t * drv, lv_indev_data_t * data)
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{
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uint16_t touchpad_x[1] = {0};
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uint16_t touchpad_y[1] = {0};
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uint8_t touchpad_cnt = 0;
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/* Read touch controller data */
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esp_lcd_touch_read_data(drv->user_data);
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/* Get coordinates */
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bool touchpad_pressed = esp_lcd_touch_get_coordinates(drv->user_data, touchpad_x, touchpad_y, NULL, &touchpad_cnt, 1);
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if (touchpad_pressed && touchpad_cnt > 0) {
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data->point.x = touchpad_x[0];
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data->point.y = touchpad_y[0];
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data->state = LV_INDEV_STATE_PRESSED;
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} else {
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data->state = LV_INDEV_STATE_RELEASED;
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}
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}
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#endif
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static void example_increase_lvgl_tick(void *arg)
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{
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/* Tell LVGL how many milliseconds has elapsed */
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lv_tick_inc(EXAMPLE_LVGL_TICK_PERIOD_MS);
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}
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void app_main(void)
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{
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static lv_disp_draw_buf_t disp_buf; // contains internal graphic buffer(s) called draw buffer(s)
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static lv_disp_drv_t disp_drv; // contains callback functions
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ESP_LOGI(TAG, "Turn off LCD backlight");
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gpio_config_t bk_gpio_config = {
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.mode = GPIO_MODE_OUTPUT,
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.pin_bit_mask = 1ULL << EXAMPLE_PIN_NUM_BK_LIGHT
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};
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ESP_ERROR_CHECK(gpio_config(&bk_gpio_config));
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gpio_set_level(EXAMPLE_PIN_NUM_BK_LIGHT, EXAMPLE_LCD_BK_LIGHT_OFF_LEVEL);
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ESP_LOGI(TAG, "Initialize Intel 8080 bus");
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esp_lcd_i80_bus_handle_t i80_bus = NULL;
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esp_lcd_i80_bus_config_t bus_config = {
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.clk_src = LCD_CLK_SRC_DEFAULT,
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.dc_gpio_num = EXAMPLE_PIN_NUM_DC,
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.wr_gpio_num = EXAMPLE_PIN_NUM_PCLK,
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.data_gpio_nums = {
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EXAMPLE_PIN_NUM_DATA0,
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EXAMPLE_PIN_NUM_DATA1,
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EXAMPLE_PIN_NUM_DATA2,
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EXAMPLE_PIN_NUM_DATA3,
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EXAMPLE_PIN_NUM_DATA4,
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EXAMPLE_PIN_NUM_DATA5,
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EXAMPLE_PIN_NUM_DATA6,
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EXAMPLE_PIN_NUM_DATA7,
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#if CONFIG_EXAMPLE_LCD_I80_BUS_WIDTH > 8
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EXAMPLE_PIN_NUM_DATA8,
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EXAMPLE_PIN_NUM_DATA9,
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EXAMPLE_PIN_NUM_DATA10,
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EXAMPLE_PIN_NUM_DATA11,
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EXAMPLE_PIN_NUM_DATA12,
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EXAMPLE_PIN_NUM_DATA13,
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EXAMPLE_PIN_NUM_DATA14,
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EXAMPLE_PIN_NUM_DATA15,
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#endif
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},
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.bus_width = CONFIG_EXAMPLE_LCD_I80_BUS_WIDTH,
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.max_transfer_bytes = EXAMPLE_LCD_H_RES * 100 * sizeof(uint16_t),
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.psram_trans_align = EXAMPLE_PSRAM_DATA_ALIGNMENT,
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.sram_trans_align = 4,
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};
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ESP_ERROR_CHECK(esp_lcd_new_i80_bus(&bus_config, &i80_bus));
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esp_lcd_panel_io_handle_t io_handle = NULL;
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esp_lcd_panel_io_i80_config_t io_config = {
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.cs_gpio_num = EXAMPLE_PIN_NUM_CS,
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.pclk_hz = EXAMPLE_LCD_PIXEL_CLOCK_HZ,
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.trans_queue_depth = 10,
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.dc_levels = {
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.dc_idle_level = 0,
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.dc_cmd_level = 0,
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.dc_dummy_level = 0,
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.dc_data_level = 1,
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},
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.flags = {
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.swap_color_bytes = !LV_COLOR_16_SWAP, // Swap can be done in LvGL (default) or DMA
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},
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.on_color_trans_done = example_notify_lvgl_flush_ready,
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.user_ctx = &disp_drv,
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.lcd_cmd_bits = EXAMPLE_LCD_CMD_BITS,
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.lcd_param_bits = EXAMPLE_LCD_PARAM_BITS,
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};
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_i80(i80_bus, &io_config, &io_handle));
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esp_lcd_panel_handle_t panel_handle = NULL;
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#if CONFIG_EXAMPLE_LCD_I80_CONTROLLER_ST7789
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ESP_LOGI(TAG, "Install LCD driver of st7789");
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esp_lcd_panel_dev_config_t panel_config = {
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.reset_gpio_num = EXAMPLE_PIN_NUM_RST,
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.rgb_endian = LCD_RGB_ENDIAN_RGB,
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.bits_per_pixel = 16,
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};
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ESP_ERROR_CHECK(esp_lcd_new_panel_st7789(io_handle, &panel_config, &panel_handle));
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esp_lcd_panel_reset(panel_handle);
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esp_lcd_panel_init(panel_handle);
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// Set inversion, x/y coordinate order, x/y mirror according to your LCD module spec
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// the gap is LCD panel specific, even panels with the same driver IC, can have different gap value
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esp_lcd_panel_invert_color(panel_handle, true);
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esp_lcd_panel_set_gap(panel_handle, 0, 20);
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#elif CONFIG_EXAMPLE_LCD_I80_CONTROLLER_NT35510
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ESP_LOGI(TAG, "Install LCD driver of nt35510");
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esp_lcd_panel_dev_config_t panel_config = {
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.reset_gpio_num = EXAMPLE_PIN_NUM_RST,
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.rgb_endian = LCD_RGB_ENDIAN_BGR,
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.bits_per_pixel = 16,
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};
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ESP_ERROR_CHECK(esp_lcd_new_panel_nt35510(io_handle, &panel_config, &panel_handle));
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esp_lcd_panel_reset(panel_handle);
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esp_lcd_panel_init(panel_handle);
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// Set inversion, x/y coordinate order, x/y mirror according to your LCD module spec
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// the gap is LCD panel specific, even panels with the same driver IC, can have different gap value
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esp_lcd_panel_swap_xy(panel_handle, true);
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esp_lcd_panel_mirror(panel_handle, true, false);
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#elif CONFIG_EXAMPLE_LCD_I80_CONTROLLER_ILI9341
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// ILI9341 is NOT a distinct driver, but a special case of ST7789
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// (essential registers are identical). A few lines further down in this code,
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// it's shown how to issue additional device-specific commands.
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ESP_LOGI(TAG, "Install LCD driver of ili9341 (st7789 compatible)");
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esp_lcd_panel_dev_config_t panel_config = {
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.reset_gpio_num = EXAMPLE_PIN_NUM_RST,
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.rgb_endian = LCD_RGB_ENDIAN_BGR,
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.bits_per_pixel = 16,
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};
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ESP_ERROR_CHECK(esp_lcd_new_panel_st7789(io_handle, &panel_config, &panel_handle));
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esp_lcd_panel_reset(panel_handle);
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esp_lcd_panel_init(panel_handle);
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// Set inversion, x/y coordinate order, x/y mirror according to your LCD module spec
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// the gap is LCD panel specific, even panels with the same driver IC, can have different gap value
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esp_lcd_panel_swap_xy(panel_handle, true);
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esp_lcd_panel_invert_color(panel_handle, false);
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// ILI9341 is very similar to ST7789 and shares the same driver.
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// Anything unconventional (such as this custom gamma table) can
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// be issued here in user code and need not modify the driver.
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esp_lcd_panel_io_tx_param(io_handle, 0xF2, (uint8_t[]) { 0 }, 1); // 3Gamma function disable
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esp_lcd_panel_io_tx_param(io_handle, 0x26, (uint8_t[]) { 1 }, 1); // Gamma curve 1 selected
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esp_lcd_panel_io_tx_param(io_handle, 0xE0, (uint8_t[]) { // Set positive gamma
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0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, 0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00 }, 15);
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esp_lcd_panel_io_tx_param(io_handle, 0xE1, (uint8_t[]) { // Set negative gamma
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0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, 0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F }, 15);
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#endif
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// user can flush pre-defined pattern to the screen before we turn on the screen or backlight
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ESP_ERROR_CHECK(esp_lcd_panel_disp_on_off(panel_handle, true));
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ESP_LOGI(TAG, "Turn on LCD backlight");
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gpio_set_level(EXAMPLE_PIN_NUM_BK_LIGHT, EXAMPLE_LCD_BK_LIGHT_ON_LEVEL);
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#if CONFIG_EXAMPLE_LCD_TOUCH_ENABLED
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esp_lcd_touch_handle_t tp = NULL;
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esp_lcd_panel_io_handle_t tp_io_handle = NULL;
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ESP_LOGI(TAG, "Initialize I2C");
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const i2c_config_t i2c_conf = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = EXAMPLE_I2C_SDA,
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.scl_io_num = EXAMPLE_I2C_SCL,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master.clk_speed = 400000,
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};
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/* Initialize I2C */
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ESP_ERROR_CHECK(i2c_param_config(EXAMPLE_I2C_NUM, &i2c_conf));
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ESP_ERROR_CHECK(i2c_driver_install(EXAMPLE_I2C_NUM, i2c_conf.mode, 0, 0, 0));
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#if CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_GT911
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esp_lcd_panel_io_i2c_config_t tp_io_config = ESP_LCD_TOUCH_IO_I2C_GT911_CONFIG();
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#elif CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_TT21100
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esp_lcd_panel_io_i2c_config_t tp_io_config = ESP_LCD_TOUCH_IO_I2C_TT21100_CONFIG();
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#elif CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_FT5X06
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esp_lcd_panel_io_i2c_config_t tp_io_config = ESP_LCD_TOUCH_IO_I2C_FT5x06_CONFIG();
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#endif
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ESP_LOGI(TAG, "Initialize touch IO (I2C)");
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/* Touch IO handle */
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)EXAMPLE_I2C_NUM, &tp_io_config, &tp_io_handle));
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esp_lcd_touch_config_t tp_cfg = {
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.x_max = EXAMPLE_LCD_V_RES,
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.y_max = EXAMPLE_LCD_H_RES,
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.rst_gpio_num = -1,
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.int_gpio_num = -1,
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.flags = {
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.swap_xy = 1,
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.mirror_x = 1,
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.mirror_y = 0,
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},
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};
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/* Initialize touch */
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#if CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_GT911
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ESP_LOGI(TAG, "Initialize touch controller GT911");
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ESP_ERROR_CHECK(esp_lcd_touch_new_i2c_gt911(tp_io_handle, &tp_cfg, &tp));
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#elif CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_TT21100
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ESP_LOGI(TAG, "Initialize touch controller TT21100");
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ESP_ERROR_CHECK(esp_lcd_touch_new_i2c_tt21100(tp_io_handle, &tp_cfg, &tp));
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#elif CONFIG_EXAMPLE_LCD_TOUCH_CONTROLLER_FT5X06
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ESP_LOGI(TAG, "Initialize touch controller FT5X06");
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ESP_ERROR_CHECK(esp_lcd_touch_new_i2c_ft5x06(tp_io_handle, &tp_cfg, &tp));
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#endif
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#endif
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ESP_LOGI(TAG, "Initialize LVGL library");
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lv_init();
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// alloc draw buffers used by LVGL
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// it's recommended to choose the size of the draw buffer(s) to be at least 1/10 screen sized
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lv_color_t *buf1 = NULL;
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lv_color_t *buf2 = NULL;
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#if CONFIG_EXAMPLE_LCD_I80_COLOR_IN_PSRAM
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buf1 = heap_caps_aligned_alloc(EXAMPLE_PSRAM_DATA_ALIGNMENT, EXAMPLE_LCD_H_RES * 100 * sizeof(lv_color_t), MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
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#else
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buf1 = heap_caps_malloc(EXAMPLE_LCD_H_RES * 100 * sizeof(lv_color_t), MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL);
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#endif
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assert(buf1);
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#if CONFIG_EXAMPLE_LCD_I80_COLOR_IN_PSRAM
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buf2 = heap_caps_aligned_alloc(EXAMPLE_PSRAM_DATA_ALIGNMENT, EXAMPLE_LCD_H_RES * 100 * sizeof(lv_color_t), MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
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#else
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buf2 = heap_caps_malloc(EXAMPLE_LCD_H_RES * 100 * sizeof(lv_color_t), MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL);
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#endif
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assert(buf2);
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ESP_LOGI(TAG, "buf1@%p, buf2@%p", buf1, buf2);
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// initialize LVGL draw buffers
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lv_disp_draw_buf_init(&disp_buf, buf1, buf2, EXAMPLE_LCD_H_RES * 100);
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ESP_LOGI(TAG, "Register display driver to LVGL");
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lv_disp_drv_init(&disp_drv);
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disp_drv.hor_res = EXAMPLE_LCD_H_RES;
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disp_drv.ver_res = EXAMPLE_LCD_V_RES;
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disp_drv.flush_cb = example_lvgl_flush_cb;
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disp_drv.draw_buf = &disp_buf;
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disp_drv.user_data = panel_handle;
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lv_disp_t *disp = lv_disp_drv_register(&disp_drv);
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ESP_LOGI(TAG, "Install LVGL tick timer");
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// Tick interface for LVGL (using esp_timer to generate 2ms periodic event)
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const esp_timer_create_args_t lvgl_tick_timer_args = {
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.callback = &example_increase_lvgl_tick,
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.name = "lvgl_tick"
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};
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esp_timer_handle_t lvgl_tick_timer = NULL;
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ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer));
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ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer, EXAMPLE_LVGL_TICK_PERIOD_MS * 1000));
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#if CONFIG_EXAMPLE_LCD_TOUCH_ENABLED
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static lv_indev_drv_t indev_drv; // Input device driver (Touch)
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lv_indev_drv_init(&indev_drv);
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indev_drv.type = LV_INDEV_TYPE_POINTER;
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indev_drv.disp = disp;
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indev_drv.read_cb = example_lvgl_touch_cb;
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indev_drv.user_data = tp;
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lv_indev_drv_register(&indev_drv);
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#endif
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ESP_LOGI(TAG, "Display LVGL animation");
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example_lvgl_demo_ui(disp);
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while (1) {
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// raise the task priority of LVGL and/or reduce the handler period can improve the performance
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vTaskDelay(pdMS_TO_TICKS(10));
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// The task running lv_timer_handler should have lower priority than that running `lv_tick_inc`
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lv_timer_handler();
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}
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}
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