* apps/graphics/input/generator/input_gen_internal.h
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __APPS_GRAPHICS_INPUT_GENERATOR_INPUT_GEN_INTERNAL_H
#define __APPS_GRAPHICS_INPUT_GENERATOR_INPUT_GEN_INTERNAL_H
* Included Files
****************************************************************************/
#include <nuttx/input/touchscreen.h>
#include <graphics/input_gen.h>
* Public Types
****************************************************************************/
struct input_gen_dev_s
{
int fd;
input_gen_dev_t device;
};
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
* Public Function Prototypes
****************************************************************************/
* Name: input_gen_search_dev
*
* Description:
* Get the input generator device by type.
*
* Input Parameters:
* ctx - The input generator context.
* device - The device type.
*
* Returned Value:
* A pointer to the input generator device structure, or NULL if not found.
*
****************************************************************************/
FAR struct input_gen_dev_s *input_gen_search_dev(input_gen_ctx_t ctx,
input_gen_dev_t device);
* Name: input_gen_dev2path
*
* Description:
* Convert device type to device path.
*
* Input Parameters:
* device - Device type
*
* Returned Value:
* Device path string.
*
****************************************************************************/
FAR const char *input_gen_dev2path(input_gen_dev_t device);
* Name: input_gen_utouch_write
*
* Description:
* Write touch sample to the device.
*
* Input Parameters:
* fd - File descriptor of the device
* sample - Pointer to the touch sample structure
*
* Returned Value:
* Zero (OK) is returned on success. On failure, a negated errno value is
* returned.
*
****************************************************************************/
int input_gen_utouch_write(int fd, FAR const struct touch_sample_s *sample);
* Name: input_gen_ubutton_write
*
* Description:
* Write button state to the device.
*
* Input Parameters:
* fd - File descriptor of the device
* mask - Button mask
*
* Returned Value:
* Zero (OK) is returned on success. On failure, a negated errno value is
* returned.
*
****************************************************************************/
int input_gen_ubutton_write(int fd, btn_buttonset_t mask);
* Name: input_gen_umouse_write
*
* Description:
* Write mouse wheel state to the device.
*
* Input Parameters:
* fd - File descriptor of the device
* wheel - Mouse wheel value
*
* Returned Value:
* Zero (OK) is returned on success. On failure, a negated errno value is
* returned.
*
****************************************************************************/
#ifdef CONFIG_INPUT_MOUSE_WHEEL
int input_gen_umouse_write(int fd, int16_t wheel);
#endif
* Name: input_gen_grab / input_gen_ungrab
*
* Description:
* Grab or ungrab the input device.
*
* Input Parameters:
* dev - The input generator device.
*
* Returned Value:
* Zero (OK) is returned on success. On failure, a negated errno value is
* returned.
*
****************************************************************************/
int input_gen_grab(FAR struct input_gen_dev_s *dev);
int input_gen_ungrab(FAR struct input_gen_dev_s *dev);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif