/*
* Copyright (c) 2018 Jan Van Winkel <jan.van_winkel@dxplore.eu>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include <display.h>
struct dummy_display_data {
enum display_pixel_format current_pixel_format;
};
static struct dummy_display_data dummy_display_data;
static int dummy_display_init(struct device *dev)
{
struct dummy_display_data *disp_data =
(struct dummy_display_data *)dev->driver_data;
disp_data->current_pixel_format = PIXEL_FORMAT_ARGB_8888;
return 0;
}
static int dummy_display_write(const struct device *dev, const u16_t x,
const u16_t y,
const struct display_buffer_descriptor *desc,
const void *buf)
{
return 0;
}
static int dummy_display_read(const struct device *dev, const u16_t x,
const u16_t y,
const struct display_buffer_descriptor *desc,
void *buf)
{
return -ENOTSUP;
}
static void *dummy_display_get_framebuffer(const struct device *dev)
{
return NULL;
}
static int dummy_display_blanking_off(const struct device *dev)
{
return 0;
}
static int dummy_display_blanking_on(const struct device *dev)
{
return 0;
}
static int dummy_display_set_brightness(const struct device *dev,
const u8_t brightness)
{
return 0;
}
static int dummy_display_set_contrast(const struct device *dev,
const u8_t contrast)
{
return 0;
}
static void dummy_display_get_capabilities(const struct device *dev,
struct display_capabilities *capabilities)
{
struct dummy_display_data *disp_data =
(struct dummy_display_data *)dev->driver_data;
memset(capabilities, 0, sizeof(struct display_capabilities));
capabilities->x_resolution = CONFIG_DUMMY_DISPLAY_X_RES;
capabilities->y_resolution = CONFIG_DUMMY_DISPLAY_Y_RES;
capabilities->supported_pixel_formats = PIXEL_FORMAT_ARGB_8888 |
PIXEL_FORMAT_RGB_888 |
PIXEL_FORMAT_MONO01 |
PIXEL_FORMAT_MONO10;
capabilities->current_pixel_format = disp_data->current_pixel_format;
capabilities->screen_info = SCREEN_INFO_MONO_VTILED |
SCREEN_INFO_MONO_MSB_FIRST;
}
static int dummy_display_set_pixel_format(const struct device *dev,
const enum display_pixel_format pixel_format)
{
struct dummy_display_data *disp_data =
(struct dummy_display_data *)dev->driver_data;
disp_data->current_pixel_format = pixel_format;
return 0;
}
static const struct display_driver_api dummy_display_api = {
.blanking_on = dummy_display_blanking_on,
.blanking_off = dummy_display_blanking_off,
.write = dummy_display_write,
.read = dummy_display_read,
.get_framebuffer = dummy_display_get_framebuffer,
.set_brightness = dummy_display_set_brightness,
.set_contrast = dummy_display_set_contrast,
.get_capabilities = dummy_display_get_capabilities,
.set_pixel_format = dummy_display_set_pixel_format,
};
DEVICE_AND_API_INIT(dummy_display, CONFIG_DUMMY_DISPLAY_DEV_NAME,
&dummy_display_init, &dummy_display_data, NULL,
APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY,
&dummy_display_api);