mirror
/
esp-idf
kopia lustrzana https://github.com/espressif/esp-idf
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność
esp-idf/components/esp_lcd/src/esp_lcd_panel_nt35510.c

286 wiersze
9.7 KiB
C
Czysty Wina Historia

/*
* 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"
static const char *TAG = "lcd_panel.nt35510";
static esp_err_t panel_nt35510_del(esp_lcd_panel_t *panel);
static esp_err_t panel_nt35510_reset(esp_lcd_panel_t *panel);
static esp_err_t panel_nt35510_init(esp_lcd_panel_t *panel);
static esp_err_t panel_nt35510_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_nt35510_invert_color(esp_lcd_panel_t *panel, bool invert_color_data);
static esp_err_t panel_nt35510_mirror(esp_lcd_panel_t *panel, bool mirror_x, bool mirror_y);
static esp_err_t panel_nt35510_swap_xy(esp_lcd_panel_t *panel, bool swap_axes);
static esp_err_t panel_nt35510_set_gap(esp_lcd_panel_t *panel, int x_gap, int y_gap);
static esp_err_t panel_nt35510_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;
unsigned int 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
} nt35510_panel_t;
esp_err_t esp_lcd_new_panel_nt35510(const esp_lcd_panel_io_handle_t io, const esp_lcd_panel_dev_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;
nt35510_panel_t *nt35510 = NULL;
ESP_GOTO_ON_FALSE(io && panel_dev_config && ret_panel, ESP_ERR_INVALID_ARG, err, TAG, "invalid argument");
nt35510 = calloc(1, sizeof(nt35510_panel_t));
ESP_GOTO_ON_FALSE(nt35510, ESP_ERR_NO_MEM, err, TAG, "no mem for nt35510 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:
nt35510->madctl_val = 0;
break;
case LCD_RGB_ENDIAN_BGR:
nt35510->madctl_val |= LCD_CMD_BGR_BIT;
break;
default:
ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "unsupported color space");
break;
}
switch (panel_dev_config->bits_per_pixel) {
case 16:
nt35510->colmod_cal = 0x55;
break;
case 18:
nt35510->colmod_cal = 0x66;
break;
case 24:
nt35510->colmod_cal = 0x77;
break;
default:
ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "unsupported pixel width");
break;
}
nt35510->io = io;
nt35510->bits_per_pixel = panel_dev_config->bits_per_pixel;
nt35510->reset_gpio_num = panel_dev_config->reset_gpio_num;
nt35510->reset_level = panel_dev_config->flags.reset_active_high;
nt35510->base.del = panel_nt35510_del;
nt35510->base.reset = panel_nt35510_reset;
nt35510->base.init = panel_nt35510_init;
nt35510->base.draw_bitmap = panel_nt35510_draw_bitmap;
nt35510->base.invert_color = panel_nt35510_invert_color;
nt35510->base.set_gap = panel_nt35510_set_gap;
nt35510->base.mirror = panel_nt35510_mirror;
nt35510->base.swap_xy = panel_nt35510_swap_xy;
nt35510->base.disp_on_off = panel_nt35510_disp_on_off;
*ret_panel = &(nt35510->base);
ESP_LOGD(TAG, "new nt35510 panel @%p", nt35510);
return ESP_OK;
err:
if (nt35510) {
if (panel_dev_config->reset_gpio_num >= 0) {
gpio_reset_pin(panel_dev_config->reset_gpio_num);
}
free(nt35510);
}
return ret;
}
static esp_err_t panel_nt35510_del(esp_lcd_panel_t *panel)
{
nt35510_panel_t *nt35510 = __containerof(panel, nt35510_panel_t, base);
if (nt35510->reset_gpio_num >= 0) {
gpio_reset_pin(nt35510->reset_gpio_num);
}
ESP_LOGD(TAG, "del nt35510 panel @%p", nt35510);
free(nt35510);
return ESP_OK;
}
static esp_err_t panel_nt35510_reset(esp_lcd_panel_t *panel)
{
nt35510_panel_t *nt35510 = __containerof(panel, nt35510_panel_t, base);
esp_lcd_panel_io_handle_t io = nt35510->io;
// perform hardware reset
if (nt35510->reset_gpio_num >= 0) {
gpio_set_level(nt35510->reset_gpio_num, nt35510->reset_level);
vTaskDelay(pdMS_TO_TICKS(10));
gpio_set_level(nt35510->reset_gpio_num, !nt35510->reset_level);
vTaskDelay(pdMS_TO_TICKS(10));
} else {
// perform software reset
esp_lcd_panel_io_tx_param(io, LCD_CMD_SWRESET << 8, NULL, 0);
vTaskDelay(pdMS_TO_TICKS(20)); // spec, wait at least 5m before sending new command
}
return ESP_OK;
}
static esp_err_t panel_nt35510_init(esp_lcd_panel_t *panel)
{
nt35510_panel_t *nt35510 = __containerof(panel, nt35510_panel_t, base);
esp_lcd_panel_io_handle_t io = nt35510->io;
// LCD goes into sleep mode and display will be turned off after power on reset, exit sleep mode first
esp_lcd_panel_io_tx_param(io, LCD_CMD_SLPOUT << 8, NULL, 0);
vTaskDelay(pdMS_TO_TICKS(100));
esp_lcd_panel_io_tx_param(io, LCD_CMD_MADCTL << 8, (uint16_t[]) {
nt35510->madctl_val,
}, 2);
esp_lcd_panel_io_tx_param(io, LCD_CMD_COLMOD << 8, (uint16_t[]) {
nt35510->colmod_cal,
}, 2);
return ESP_OK;
}
static esp_err_t panel_nt35510_draw_bitmap(esp_lcd_panel_t *panel, int x_start, int y_start, int x_end, int y_end, const void *color_data)
{
nt35510_panel_t *nt35510 = __containerof(panel, nt35510_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 = nt35510->io;
x_start += nt35510->x_gap;
x_end += nt35510->x_gap;
y_start += nt35510->y_gap;
y_end += nt35510->y_gap;
// define an area of frame memory where MCU can access
esp_lcd_panel_io_tx_param(io, (LCD_CMD_CASET << 8) + 0, (uint16_t[]) {
(x_start >> 8) & 0xFF,
}, 2);
esp_lcd_panel_io_tx_param(io, (LCD_CMD_CASET << 8) + 1, (uint16_t[]) {
x_start & 0xFF,
}, 2);
esp_lcd_panel_io_tx_param(io, (LCD_CMD_CASET << 8) + 2, (uint16_t[]) {
((x_end - 1) >> 8) & 0xFF,
}, 2);
esp_lcd_panel_io_tx_param(io, (LCD_CMD_CASET << 8) + 3, (uint16_t[]) {
(x_end - 1) & 0xFF,
}, 2);
esp_lcd_panel_io_tx_param(io, (LCD_CMD_RASET << 8) + 0, (uint16_t[]) {
(y_start >> 8) & 0xFF,
}, 2);
esp_lcd_panel_io_tx_param(io, (LCD_CMD_RASET << 8) + 1, (uint16_t[]) {
y_start & 0xFF,
}, 2);
esp_lcd_panel_io_tx_param(io, (LCD_CMD_RASET << 8) + 2, (uint16_t[]) {
((y_end - 1) >> 8) & 0xFF,
}, 2);
esp_lcd_panel_io_tx_param(io, (LCD_CMD_RASET << 8) + 3, (uint16_t[]) {
(y_end - 1) & 0xFF,
}, 2);
// transfer frame buffer
size_t len = (x_end - x_start) * (y_end - y_start) * nt35510->bits_per_pixel / 8;
esp_lcd_panel_io_tx_color(io, LCD_CMD_RAMWR << 8, color_data, len);
return ESP_OK;
}
static esp_err_t panel_nt35510_invert_color(esp_lcd_panel_t *panel, bool invert_color_data)
{
nt35510_panel_t *nt35510 = __containerof(panel, nt35510_panel_t, base);
esp_lcd_panel_io_handle_t io = nt35510->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 << 8, NULL, 0);
return ESP_OK;
}
static esp_err_t panel_nt35510_mirror(esp_lcd_panel_t *panel, bool mirror_x, bool mirror_y)
{
nt35510_panel_t *nt35510 = __containerof(panel, nt35510_panel_t, base);
esp_lcd_panel_io_handle_t io = nt35510->io;
if (mirror_x) {
nt35510->madctl_val |= LCD_CMD_MX_BIT;
} else {
nt35510->madctl_val &= ~LCD_CMD_MX_BIT;
}
if (mirror_y) {
nt35510->madctl_val |= LCD_CMD_MY_BIT;
} else {
nt35510->madctl_val &= ~LCD_CMD_MY_BIT;
}
esp_lcd_panel_io_tx_param(io, LCD_CMD_MADCTL << 8, (uint16_t[]) {
nt35510->madctl_val
}, 2);
return ESP_OK;
}
static esp_err_t panel_nt35510_swap_xy(esp_lcd_panel_t *panel, bool swap_axes)
{
nt35510_panel_t *nt35510 = __containerof(panel, nt35510_panel_t, base);
esp_lcd_panel_io_handle_t io = nt35510->io;
if (swap_axes) {
nt35510->madctl_val |= LCD_CMD_MV_BIT;
} else {
nt35510->madctl_val &= ~LCD_CMD_MV_BIT;
}
esp_lcd_panel_io_tx_param(io, LCD_CMD_MADCTL << 8, (uint16_t[]) {
nt35510->madctl_val
}, 2);
return ESP_OK;
}
static esp_err_t panel_nt35510_set_gap(esp_lcd_panel_t *panel, int x_gap, int y_gap)
{
nt35510_panel_t *nt35510 = __containerof(panel, nt35510_panel_t, base);
nt35510->x_gap = x_gap;
nt35510->y_gap = y_gap;
return ESP_OK;
}
static esp_err_t panel_nt35510_disp_on_off(esp_lcd_panel_t *panel, bool on_off)
{
nt35510_panel_t *nt35510 = __containerof(panel, nt35510_panel_t, base);
esp_lcd_panel_io_handle_t io = nt35510->io;
int command = 0;
if (on_off) {
command = LCD_CMD_DISPON;
} else {
command = LCD_CMD_DISPOFF;
}
esp_lcd_panel_io_tx_param(io, command << 8, NULL, 0);
return ESP_OK;
}
Reference in New Issue View Git Blame Kopiuj bezpośredni odnośnik