titor/mimiclaw
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat: add mimiclaw onboarding page.

Browse Source 
Signed-off-by: Bo <boironic@gmail.com>
This commit is contained in:
Bo
2026-02-09 20:16:00 +08:00
committed by lvbo
parent 5bcb28abbd
commit 106fe3b5b0
17 changed files with 1021 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

307
main/display/Vernon_ST7789T/Vernon_ST7789T.c Normal file
View File

@@ -0,0 +1,307 @@
/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdlib.h>
#include <sys/cdefs.h>
#include "sdkconfig.h"
#if CONFIG_LCD_ENABLE_DEBUG_LOG
// The local log level must be defined before including esp_log.h
// Set the maximum log level for this source file
#define LOG_LOCAL_LEVEL ESP_LOG_DEBUG
#endif
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_lcd_panel_interface.h"
#include "esp_lcd_panel_io.h"
#include "esp_lcd_panel_vendor.h"
#include "esp_lcd_panel_ops.h"
#include "esp_lcd_panel_commands.h"
#include "driver/gpio.h"
#include "esp_log.h"
#include "esp_check.h"
#include "display/Vernon_ST7789T/Vernon_ST7789T.h"
static const char *TAG = "lcd_panel.st7789t";
static esp_err_t panel_st7789t_del(esp_lcd_panel_t *panel);
static esp_err_t panel_st7789t_reset(esp_lcd_panel_t *panel);
static esp_err_t panel_st7789t_init(esp_lcd_panel_t *panel);
static esp_err_t panel_st7789t_draw_bitmap(esp_lcd_panel_t *panel, int x_start, int y_start, int x_end, int y_end, const void *color_data);
static esp_err_t panel_st7789t_invert_color(esp_lcd_panel_t *panel, bool invert_color_data);
static esp_err_t panel_st7789t_mirror(esp_lcd_panel_t *panel, bool mirror_x, bool mirror_y);
static esp_err_t panel_st7789t_swap_xy(esp_lcd_panel_t *panel, bool swap_axes);
static esp_err_t panel_st7789t_set_gap(esp_lcd_panel_t *panel, int x_gap, int y_gap);
static esp_err_t panel_st7789t_disp_on_off(esp_lcd_panel_t *panel, bool off);
typedef struct {
esp_lcd_panel_t base;
esp_lcd_panel_io_handle_t io;
int reset_gpio_num;
bool reset_level;
int x_gap;
int y_gap;
uint8_t fb_bits_per_pixel;
uint8_t madctl_val; // save current value of LCD_CMD_MADCTL register
uint8_t colmod_cal; // save surrent value of LCD_CMD_COLMOD register
} st7789t_panel_t;
esp_err_t esp_lcd_new_panel_st7789t(const esp_lcd_panel_io_handle_t io, const esp_lcd_panel_dev_st7789t_config_t *panel_dev_config, esp_lcd_panel_handle_t *ret_panel)
{
#if CONFIG_LCD_ENABLE_DEBUG_LOG
esp_log_level_set(TAG, ESP_LOG_DEBUG);
#endif
esp_err_t ret = ESP_OK;
st7789t_panel_t *st7789t = NULL;
ESP_GOTO_ON_FALSE(io && panel_dev_config && ret_panel, ESP_ERR_INVALID_ARG, err, TAG, "invalid argument");
st7789t = calloc(1, sizeof(st7789t_panel_t));
ESP_GOTO_ON_FALSE(st7789t, ESP_ERR_NO_MEM, err, TAG, "no mem for st7789t panel");
if (panel_dev_config->reset_gpio_num >= 0) {
gpio_config_t io_conf = {
.mode = GPIO_MODE_OUTPUT,
.pin_bit_mask = 1ULL << panel_dev_config->reset_gpio_num,
};
ESP_GOTO_ON_ERROR(gpio_config(&io_conf), err, TAG, "configure GPIO for RST line failed");
}
switch (panel_dev_config->rgb_endian) {
case LCD_RGB_ENDIAN_RGB:
st7789t->madctl_val = 0;
break;
case LCD_RGB_ENDIAN_BGR:
st7789t->madctl_val |= LCD_CMD_BGR_BIT;
break;
default:
ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "unsupported color space");
break;
}
uint8_t fb_bits_per_pixel = 0;
switch (panel_dev_config->bits_per_pixel) {
case 16: // RGB565
st7789t->colmod_cal = 0x55;
fb_bits_per_pixel = 16;
break;
case 18: // RGB666
st7789t->colmod_cal = 0x66;
// each color component (R/G/B) should occupy the 6 high bits of a byte, which means 3 full bytes are required for a pixel
fb_bits_per_pixel = 24;
break;
default:
ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "unsupported pixel width");
break;
}
st7789t->io = io;
st7789t->fb_bits_per_pixel = fb_bits_per_pixel;
st7789t->reset_gpio_num = panel_dev_config->reset_gpio_num;
st7789t->reset_level = panel_dev_config->flags.reset_active_high;
st7789t->base.del = panel_st7789t_del;
st7789t->base.reset = panel_st7789t_reset;
st7789t->base.init = panel_st7789t_init;
st7789t->base.draw_bitmap = panel_st7789t_draw_bitmap;
st7789t->base.invert_color = panel_st7789t_invert_color;
st7789t->base.set_gap = panel_st7789t_set_gap;
st7789t->base.mirror = panel_st7789t_mirror;
st7789t->base.swap_xy = panel_st7789t_swap_xy;
st7789t->base.disp_on_off = panel_st7789t_disp_on_off;
*ret_panel = &(st7789t->base);
ESP_LOGD(TAG, "new st7789t panel @%p", st7789t);
// printf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\r\n");
return ESP_OK;
err:
if (st7789t) {
if (panel_dev_config->reset_gpio_num >= 0) {
gpio_reset_pin(panel_dev_config->reset_gpio_num);
}
free(st7789t);
}
return ret;
}
static esp_err_t panel_st7789t_del(esp_lcd_panel_t *panel)
{
st7789t_panel_t *st7789t = __containerof(panel, st7789t_panel_t, base);
if (st7789t->reset_gpio_num >= 0) {
gpio_reset_pin(st7789t->reset_gpio_num);
}
ESP_LOGD(TAG, "del st7789t panel @%p", st7789t);
free(st7789t);
return ESP_OK;
}
static esp_err_t panel_st7789t_reset(esp_lcd_panel_t *panel)
{
st7789t_panel_t *st7789t = __containerof(panel, st7789t_panel_t, base);
esp_lcd_panel_io_handle_t io = st7789t->io;
// perform hardware reset
if (st7789t->reset_gpio_num >= 0) {
gpio_set_level(st7789t->reset_gpio_num, st7789t->reset_level);
vTaskDelay(pdMS_TO_TICKS(10));
gpio_set_level(st7789t->reset_gpio_num, !st7789t->reset_level);
vTaskDelay(pdMS_TO_TICKS(10));
} else { // perform software reset
esp_lcd_panel_io_tx_param(io, LCD_CMD_SWRESET, NULL, 0);
vTaskDelay(pdMS_TO_TICKS(20)); // spec, wait at least 5m before sending new command
}
return ESP_OK;
}
static esp_err_t panel_st7789t_init(esp_lcd_panel_t *panel)
{
st7789t_panel_t *st7789t = __containerof(panel, st7789t_panel_t, base);
esp_lcd_panel_io_handle_t io = st7789t->io;
// LCD goes into sleep mode and display will be turned off after power on reset, exit sleep mode first
// printf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\r\n");
esp_lcd_panel_io_tx_param(io, LCD_CMD_SLPOUT, NULL, 0);
vTaskDelay(pdMS_TO_TICKS(100));
// esp_lcd_panel_io_tx_param(io, LCD_CMD_MADCTL, (uint8_t[]) {st7789t->madctl_val,}, 1);
// esp_lcd_panel_io_tx_param(io, LCD_CMD_COLMOD, (uint8_t[]) {st7789t->colmod_cal,}, 1);
/* Memory Data Access Control, MX=MV=1, MY=ML=MH=0, RGB=0 */
esp_lcd_panel_io_tx_param(io, 0x36, (uint8_t []){0x00}, 1); // 0x36: 接口像素格式 X镜像，Y镜像
/* Interface Pixel Format, 16bits/pixel for RGB/MCU interface */
esp_lcd_panel_io_tx_param(io, 0x3A, (uint8_t []){0x55}, 1); // 0x3A: Porch 设置
esp_lcd_panel_io_tx_param(io, 0xB0, (uint8_t []){0x00, 0xE8}, 2);
/* Porch Setting */
esp_lcd_panel_io_tx_param(io, 0xB2, (uint8_t []){0x0c, 0x0c, 0x00, 0x33, 0x33}, 5);
/* Gate Control, Vgh=13.65V, Vgl=-10.43V */
esp_lcd_panel_io_tx_param(io, 0xB7, (uint8_t []){0x75}, 1);
/* VCOM Setting, VCOM=1.175V */
esp_lcd_panel_io_tx_param(io, 0xBB, (uint8_t []){0x1A}, 1);
/* LCM Control, XOR: BGR, MX, MH */
esp_lcd_panel_io_tx_param(io, 0xC0, (uint8_t []){0x80}, 1);
/* VDV and VRH Command Enable, enable=1 */
esp_lcd_panel_io_tx_param(io, 0xC2, (uint8_t []){0x01, 0xff}, 2);
/* VRH Set, Vap=4.4+... */
esp_lcd_panel_io_tx_param(io, 0xC3, (uint8_t []){0x13}, 1);
/* VDV Set, VDV=0 */
esp_lcd_panel_io_tx_param(io, 0xC4, (uint8_t []){0x20}, 1);
/* Frame Rate Control, 60Hz, inversion=0 */
esp_lcd_panel_io_tx_param(io, 0xC6, (uint8_t []){0x0F}, 1);
/* Power Control 1, AVDD=6.8V, AVCL=-4.8V, VDDS=2.3V */
esp_lcd_panel_io_tx_param(io, 0xD0, (uint8_t []){0xA4, 0xA1}, 1);
/* Positive Voltage Gamma Control */
esp_lcd_panel_io_tx_param(io, 0xE0, (uint8_t []){0xD0, 0x0D, 0x14, 0x0D, 0x0D, 0x09, 0x38, 0x44, 0x4E, 0x3A, 0x17, 0x18, 0x2F, 0x30}, 14);
/* Negative Voltage Gamma Control */
esp_lcd_panel_io_tx_param(io, 0xE1, (uint8_t []){0xD0, 0x09, 0x0F, 0x08, 0x07, 0x14, 0x37, 0x44, 0x4D, 0x38, 0x15, 0x16, 0x2C, 0x2E}, 14);
/* Sleep Out */
esp_lcd_panel_io_tx_param(io, 0x21, NULL, 0);
/* Display On */
esp_lcd_panel_io_tx_param(io, 0x29, NULL, 0);
esp_lcd_panel_io_tx_param(io, 0x2C, NULL, 0);
return ESP_OK;
}
static esp_err_t panel_st7789t_draw_bitmap(esp_lcd_panel_t *panel, int x_start, int y_start, int x_end, int y_end, const void *color_data)
{
st7789t_panel_t *st7789t = __containerof(panel, st7789t_panel_t, base);
assert((x_start < x_end) && (y_start < y_end) && "start position must be smaller than end position");
esp_lcd_panel_io_handle_t io = st7789t->io;
x_start += st7789t->x_gap;
x_end += st7789t->x_gap;
y_start += st7789t->y_gap;
y_end += st7789t->y_gap;
// define an area of frame memory where MCU can access
esp_lcd_panel_io_tx_param(io, LCD_CMD_CASET, (uint8_t[]) {
(x_start >> 8) & 0xFF,
x_start & 0xFF,
((x_end - 1) >> 8) & 0xFF,
(x_end - 1) & 0xFF,
}, 4);
esp_lcd_panel_io_tx_param(io, LCD_CMD_RASET, (uint8_t[]) {
(y_start >> 8) & 0xFF,
y_start & 0xFF,
((y_end - 1) >> 8) & 0xFF,
(y_end - 1) & 0xFF,
}, 4);
// transfer frame buffer
size_t len = (x_end - x_start) * (y_end - y_start) * st7789t->fb_bits_per_pixel / 8;
esp_lcd_panel_io_tx_color(io, LCD_CMD_RAMWR, color_data, len);
return ESP_OK;
}
static esp_err_t panel_st7789t_invert_color(esp_lcd_panel_t *panel, bool invert_color_data)
{
st7789t_panel_t *st7789t = __containerof(panel, st7789t_panel_t, base);
esp_lcd_panel_io_handle_t io = st7789t->io;
int command = 0;
if (invert_color_data) {
command = LCD_CMD_INVON;
} else {
command = LCD_CMD_INVOFF;
}
esp_lcd_panel_io_tx_param(io, command, NULL, 0);
return ESP_OK;
}
static esp_err_t panel_st7789t_mirror(esp_lcd_panel_t *panel, bool mirror_x, bool mirror_y)
{
st7789t_panel_t *st7789t = __containerof(panel, st7789t_panel_t, base);
esp_lcd_panel_io_handle_t io = st7789t->io;
if (mirror_x) {
st7789t->madctl_val |= LCD_CMD_MX_BIT;
} else {
st7789t->madctl_val &= ~LCD_CMD_MX_BIT;
}
if (mirror_y) {
st7789t->madctl_val |= LCD_CMD_MY_BIT;
} else {
st7789t->madctl_val &= ~LCD_CMD_MY_BIT;
}
esp_lcd_panel_io_tx_param(io, LCD_CMD_MADCTL, (uint8_t[]) {
st7789t->madctl_val
}, 1);
return ESP_OK;
}
static esp_err_t panel_st7789t_swap_xy(esp_lcd_panel_t *panel, bool swap_axes)
{
st7789t_panel_t *st7789t = __containerof(panel, st7789t_panel_t, base);
esp_lcd_panel_io_handle_t io = st7789t->io;
if (swap_axes) {
st7789t->madctl_val |= LCD_CMD_MV_BIT;
} else {
st7789t->madctl_val &= ~LCD_CMD_MV_BIT;
}
esp_lcd_panel_io_tx_param(io, LCD_CMD_MADCTL, (uint8_t[]) {
st7789t->madctl_val
}, 1);
return ESP_OK;
}
static esp_err_t panel_st7789t_set_gap(esp_lcd_panel_t *panel, int x_gap, int y_gap)
{
st7789t_panel_t *st7789t = __containerof(panel, st7789t_panel_t, base);
st7789t->x_gap = x_gap;
st7789t->y_gap = y_gap;
return ESP_OK;
}
static esp_err_t panel_st7789t_disp_on_off(esp_lcd_panel_t *panel, bool on_off)
{
st7789t_panel_t *st7789t = __containerof(panel, st7789t_panel_t, base);
esp_lcd_panel_io_handle_t io = st7789t->io;
int command = 0;
if (on_off) {
command = LCD_CMD_DISPON;
} else {
command = LCD_CMD_DISPOFF;
}
esp_lcd_panel_io_tx_param(io, command, NULL, 0);
return ESP_OK;
}

47
main/display/Vernon_ST7789T/Vernon_ST7789T.h Normal file
View File

@@ -0,0 +1,47 @@
/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdbool.h>
#include "esp_err.h"
#include "esp_lcd_types.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Configuration structure for panel device
*/
typedef struct {
int reset_gpio_num; /*!< GPIO used to reset the LCD panel, set to -1 if it's not used */
union {
lcd_color_rgb_endian_t color_space; /*!< @deprecated Set RGB color space, please use rgb_endian instead */
lcd_color_rgb_endian_t rgb_endian; /*!< Set RGB data endian: RGB or BGR */
};
unsigned int bits_per_pixel; /*!< Color depth, in bpp */
struct {
unsigned int reset_active_high: 1; /*!< Setting this if the panel reset is high level active */
} flags; /*!< LCD panel config flags */
void *vendor_config; /*!< vendor specific configuration, optional, left as NULL if not used */
} esp_lcd_panel_dev_st7789t_config_t;
/**
* @brief Create LCD panel for model ST7789T
*
* @param[in] io LCD panel IO handle
* @param[in] panel_dev_config general panel device configuration
* @param[out] ret_panel Returned LCD panel handle
* @return
* - ESP_ERR_INVALID_ARG if parameter is invalid
* - ESP_ERR_NO_MEM if out of memory
* - ESP_OK on success
*/
esp_err_t esp_lcd_new_panel_st7789t(const esp_lcd_panel_io_handle_t io, const esp_lcd_panel_dev_st7789t_config_t *panel_dev_config, esp_lcd_panel_handle_t *ret_panel);
#ifdef __cplusplus
}
#endif

199
main/display/display.c Normal file
View File

@@ -0,0 +1,199 @@
#include "display/display.h"
#include <string.h>
#include <stdbool.h>
#include "esp_check.h"
#include "esp_log.h"
#include "driver/ledc.h"
#include "driver/spi_master.h"
#include "esp_lcd_panel_io.h"
#include "esp_lcd_panel_ops.h"
#include "display/Vernon_ST7789T/Vernon_ST7789T.h"
#define LCD_HOST SPI3_HOST
#define LCD_PIXEL_CLOCK_HZ (12 * 1000 * 1000)
#define LCD_CMD_BITS 8
#define LCD_PARAM_BITS 8
#define LCD_H_RES 172
#define LCD_V_RES 320
#define BANNER_W 320
#define BANNER_H 172
#define LCD_PIN_SCLK 40
#define LCD_PIN_MOSI 45
#define LCD_PIN_MISO -1
#define LCD_PIN_DC 41
#define LCD_PIN_RST 39
#define LCD_PIN_CS 42
#define LCD_PIN_BK_LIGHT 46
#define LCD_X_GAP 34
#define LCD_Y_GAP 0
#define LEDC_TIMER LEDC_TIMER_0
#define LEDC_MODE LEDC_LOW_SPEED_MODE
#define LEDC_CHANNEL LEDC_CHANNEL_0
#define LEDC_DUTY_RES LEDC_TIMER_13_BIT
#define LEDC_FREQUENCY_HZ 4000
#define BACKLIGHT_MIN_PERCENT 10
#define BACKLIGHT_MAX_PERCENT 100
#define BACKLIGHT_STEP_PERCENT 10
static const char *TAG = "display";
static esp_lcd_panel_handle_t panel_handle = NULL;
static uint8_t backlight_percent = 50;
extern const uint8_t _binary_banner_320x172_rgb565_start[];
extern const uint8_t _binary_banner_320x172_rgb565_end[];
static void backlight_ledc_init(void)
{
ledc_timer_config_t ledc_timer = {
.speed_mode = LEDC_MODE,
.timer_num = LEDC_TIMER,
.duty_resolution = LEDC_DUTY_RES,
.freq_hz = LEDC_FREQUENCY_HZ,
.clk_cfg = LEDC_AUTO_CLK,
};
ESP_ERROR_CHECK(ledc_timer_config(&ledc_timer));
ledc_channel_config_t ledc_channel = {
.speed_mode = LEDC_MODE,
.channel = LEDC_CHANNEL,
.timer_sel = LEDC_TIMER,
.intr_type = LEDC_INTR_DISABLE,
.gpio_num = LCD_PIN_BK_LIGHT,
.duty = 0,
.hpoint = 0,
};
ESP_ERROR_CHECK(ledc_channel_config(&ledc_channel));
}
void display_set_backlight_percent(uint8_t percent)
{
if (percent > BACKLIGHT_MAX_PERCENT) {
percent = BACKLIGHT_MAX_PERCENT;
}
backlight_percent = percent;
uint32_t duty_max = (1U << LEDC_DUTY_RES) - 1;
uint32_t duty = (duty_max * backlight_percent) / 100;
ESP_ERROR_CHECK(ledc_set_duty(LEDC_MODE, LEDC_CHANNEL, duty));
ESP_ERROR_CHECK(ledc_update_duty(LEDC_MODE, LEDC_CHANNEL));
}
uint8_t display_get_backlight_percent(void)
{
return backlight_percent;
}
void display_cycle_backlight(void)
{
uint8_t next = backlight_percent + BACKLIGHT_STEP_PERCENT;
if (next > BACKLIGHT_MAX_PERCENT) {
next = BACKLIGHT_MIN_PERCENT;
}
display_set_backlight_percent(next);
ESP_LOGI(TAG, "Backlight -> %u%%", next);
}
esp_err_t display_init(void)
{
esp_err_t ret = ESP_OK;
spi_bus_config_t buscfg = {
.sclk_io_num = LCD_PIN_SCLK,
.mosi_io_num = LCD_PIN_MOSI,
.miso_io_num = LCD_PIN_MISO,
.quadwp_io_num = -1,
.quadhd_io_num = -1,
.max_transfer_sz = LCD_H_RES * LCD_V_RES * sizeof(uint16_t),
};
ESP_RETURN_ON_ERROR(spi_bus_initialize(LCD_HOST, &buscfg, SPI_DMA_CH_AUTO), TAG, "spi bus init failed");
esp_lcd_panel_io_handle_t io_handle = NULL;
esp_lcd_panel_io_spi_config_t io_config = {
.dc_gpio_num = LCD_PIN_DC,
.cs_gpio_num = LCD_PIN_CS,
.pclk_hz = LCD_PIXEL_CLOCK_HZ,
.lcd_cmd_bits = LCD_CMD_BITS,
.lcd_param_bits = LCD_PARAM_BITS,
.spi_mode = 0,
.trans_queue_depth = 10,
.on_color_trans_done = NULL,
.user_ctx = NULL,
};
ESP_RETURN_ON_ERROR(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)LCD_HOST, &io_config, &io_handle), TAG, "panel io init failed");
esp_lcd_panel_dev_st7789t_config_t panel_config = {
.reset_gpio_num = LCD_PIN_RST,
.rgb_endian = LCD_RGB_ENDIAN_BGR,
.bits_per_pixel = 16,
};
ESP_RETURN_ON_ERROR(esp_lcd_new_panel_st7789t(io_handle, &panel_config, &panel_handle), TAG, "panel init failed");
ESP_RETURN_ON_ERROR(esp_lcd_panel_reset(panel_handle), TAG, "panel reset failed");
ESP_RETURN_ON_ERROR(esp_lcd_panel_init(panel_handle), TAG, "panel init failed");
ESP_RETURN_ON_ERROR(esp_lcd_panel_mirror(panel_handle, true, true), TAG, "panel mirror failed");
ESP_RETURN_ON_ERROR(esp_lcd_panel_swap_xy(panel_handle, true), TAG, "panel swap failed");
ESP_RETURN_ON_ERROR(esp_lcd_panel_set_gap(panel_handle, LCD_Y_GAP, LCD_X_GAP), TAG, "panel gap failed");
ESP_RETURN_ON_ERROR(esp_lcd_panel_disp_on_off(panel_handle, true), TAG, "panel on failed");
backlight_ledc_init();
display_set_backlight_percent(backlight_percent);
return ret;
}
void display_show_banner(void)
{
if (!panel_handle) {
ESP_LOGW(TAG, "display not initialized");
return;
}
const uint8_t *start = _binary_banner_320x172_rgb565_start;
const uint8_t *end = _binary_banner_320x172_rgb565_end;
size_t len = (size_t)(end - start);
size_t expected = (size_t)BANNER_W * (size_t)BANNER_H * 2;
if (len < expected) {
ESP_LOGW(TAG, "banner data too small (%u < %u)", (unsigned)len, (unsigned)expected);
return;
}
ESP_ERROR_CHECK(esp_lcd_panel_draw_bitmap(panel_handle, 0, 0, BANNER_W, BANNER_H, start));
}
bool display_get_banner_center_rgb(uint8_t *r, uint8_t *g, uint8_t *b)
{
if (!r || !g || !b) {
return false;
}
const uint8_t *start = _binary_banner_320x172_rgb565_start;
const uint8_t *end = _binary_banner_320x172_rgb565_end;
size_t len = (size_t)(end - start);
size_t expected = (size_t)BANNER_W * (size_t)BANNER_H * 2;
if (len < expected) {
return false;
}
size_t cx = BANNER_W / 2;
size_t cy = BANNER_H / 2;
size_t idx = (cy * BANNER_W + cx) * 2;
uint16_t pixel = (uint16_t)start[idx] | ((uint16_t)start[idx + 1] << 8);
uint8_t r5 = (pixel >> 11) & 0x1F;
uint8_t g6 = (pixel >> 5) & 0x3F;
uint8_t b5 = pixel & 0x1F;
*r = (uint8_t)((r5 * 255) / 31);
*g = (uint8_t)((g6 * 255) / 63);
*b = (uint8_t)((b5 * 255) / 31);
return true;
}

20
main/display/display.h Normal file
View File

@@ -0,0 +1,20 @@
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include "esp_err.h"
#ifdef __cplusplus
extern "C" {
#endif
esp_err_t display_init(void);
void display_show_banner(void);
void display_set_backlight_percent(uint8_t percent);
uint8_t display_get_backlight_percent(void);
void display_cycle_backlight(void);
bool display_get_banner_center_rgb(uint8_t *r, uint8_t *g, uint8_t *b);
#ifdef __cplusplus
}
#endif