upm/src/collision/collision.h
Mihai Tudor Panu bb1155700d docs: minor updates to C driver sensor descriptions
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
2016-10-06 15:59:23 -07:00

77 lines
2.3 KiB
C

/*
* Author: Zion Orent <sorent@ics.com>
* Abhishek Malik <abhishek.malik@intel.com>
* Copyright (c) 2015 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef COLLISION_H_
#define COLLISION_H_
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "upm.h"
#include "mraa/gpio.h"
/**
* @file collision.h
* @library collision
* @brief C API for the MVS0608 Digital Collision Sensor
*
* @include collision.c
*/
/**
* device context
*/
typedef struct _collision_context {
mraa_gpio_context gpio;
uint8_t gpio_pin;
} *collision_context;
/**
* Collision Initialization function
*
* @param pin number
* @return void* pointer to the sensor struct
*/
collision_context collision_init(int pin);
/**
* Collision Initialization function
*
* @param void* pointer to the sensor struct
*/
void collision_close(collision_context dev);
/**
* This function tells you whether the sensor has
* collided with something or not.
*
* @param void* pointer to the sensor struct
* @param bool* pointer to hold the collision value
* @return upm_result_t UPM success/error code
*/
upm_result_t collision_is_colliding(collision_context dev, bool* collision_val);
#endif /* COLLISION_H_ */