You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.9 KiB
95 lines
2.9 KiB
/**************************************************************************** |
|
* |
|
* Copyright (c) 2012-2014 PX4 Development Team. All rights reserved. |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* |
|
* 1. Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. Redistributions in binary form must reproduce the above copyright |
|
* notice, this list of conditions and the following disclaimer in |
|
* the documentation and/or other materials provided with the |
|
* distribution. |
|
* 3. Neither the name PX4 nor the names of its contributors may be |
|
* used to endorse or promote products derived from this software |
|
* without specific prior written permission. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
|
* POSSIBILITY OF SUCH DAMAGE. |
|
* |
|
****************************************************************************/ |
|
|
|
/** |
|
* @file drv_rc_input.h |
|
* |
|
* R/C input interface. |
|
*/ |
|
|
|
#ifndef _DRV_RC_INPUT_H |
|
#define _DRV_RC_INPUT_H |
|
|
|
#include <stdint.h> |
|
#include <sys/ioctl.h> |
|
#include <uORB/topics/input_rc.h> |
|
|
|
#include "drv_orb_dev.h" |
|
|
|
/** |
|
* Path for the default R/C input device. |
|
* |
|
* Note that on systems with more than one R/C input path (e.g. |
|
* PX4FMU with PX4IO connected) there may be other devices that |
|
* respond to this protocol. |
|
* |
|
* Input data may be obtained by subscribing to the input_rc |
|
* object, or by poll/reading from the device. |
|
*/ |
|
#define RC_INPUT0_DEVICE_PATH "/dev/input_rc0" |
|
|
|
/** |
|
* Maximum RSSI value |
|
*/ |
|
#define RC_INPUT_RSSI_MAX 100 |
|
|
|
/** |
|
* Minimum value |
|
*/ |
|
#define RC_INPUT_LOWEST_MIN_US 500 |
|
|
|
/** |
|
* Maximum value |
|
*/ |
|
#define RC_INPUT_HIGHEST_MAX_US 2500 |
|
|
|
/** |
|
* Maximum deadzone value |
|
*/ |
|
#define RC_INPUT_MAX_DEADZONE_US 500 |
|
|
|
/** |
|
* Input signal type, value is a control position from zero to 100 |
|
* percent. |
|
*/ |
|
typedef uint16_t rc_input_t; |
|
|
|
#define _RC_INPUT_BASE 0x2b00 |
|
|
|
/** Enable RSSI input via ADC */ |
|
#define RC_INPUT_ENABLE_RSSI_ANALOG _IOC(_RC_INPUT_BASE, 1) |
|
|
|
/** Enable RSSI input via PWM signal */ |
|
#define RC_INPUT_ENABLE_RSSI_PWM _IOC(_RC_INPUT_BASE, 2) |
|
|
|
#endif /* _DRV_RC_INPUT_H */
|
|
|