b76ac9a851
Convert the SDL driver to use the input subsystem. This is specifically meant to emulate touchscreen drivers, so it's setup to send triplet of x, y, touch for touch-on events and just touch off on touch off events. Renamed the driver to input-sdl-touch since now we can also develop an sdl driver for simulating key events. Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
/*
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* Copyright (c) 2020 Jabil Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT zephyr_input_sdl_touch
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#include <zephyr/input/input.h>
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#include <zephyr/logging/log.h>
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#include <SDL.h>
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LOG_MODULE_REGISTER(sdl_input, CONFIG_INPUT_LOG_LEVEL);
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struct sdl_data {
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const struct device *dev;
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int x;
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int y;
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bool pressed;
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};
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static int sdl_filter(void *arg, SDL_Event *event)
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{
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struct sdl_data *data = arg;
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switch (event->type) {
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case SDL_MOUSEBUTTONUP:
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data->pressed = false;
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input_report_key(data->dev, INPUT_BTN_TOUCH, 0, true, K_FOREVER);
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break;
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case SDL_MOUSEBUTTONDOWN:
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data->pressed = true;
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break;
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case SDL_MOUSEMOTION:
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data->x = event->button.x;
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data->y = event->button.y;
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break;
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default:
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return 1;
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}
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if (data->pressed) {
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input_report_abs(data->dev, INPUT_ABS_X, data->x, false, K_FOREVER);
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input_report_abs(data->dev, INPUT_ABS_Y, data->y, false, K_FOREVER);
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input_report_key(data->dev, INPUT_BTN_TOUCH, 1, true, K_FOREVER);
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}
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return 1;
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}
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static int sdl_init(const struct device *dev)
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{
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struct sdl_data *data = dev->data;
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data->dev = dev;
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LOG_INF("Init '%s' device", dev->name);
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SDL_AddEventWatch(sdl_filter, data);
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return 0;
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}
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static struct sdl_data sdl_data_0;
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DEVICE_DT_INST_DEFINE(0, sdl_init, NULL, &sdl_data_0, NULL,
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POST_KERNEL, CONFIG_INPUT_INIT_PRIORITY, NULL);
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