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/*
* Author: Jon Trulson <jtrulson@ics.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.
*/
#include <unistd.h>
#include <iostream>
#include <string>
#include <stdexcept>
#include "sx6119.hpp"
using namespace upm;
using namespace std;
SX6119::SX6119(int powerPin, int seekPin)
{
if ( !(m_gpioPower = mraa_gpio_init(powerPin)) )
{
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init(power) failed, invalid pin?");
return;
}
mraa_gpio_dir(m_gpioPower, MRAA_GPIO_OUT);
mraa_gpio_write(m_gpioPower, 1);
if ( !(m_gpioSeek = mraa_gpio_init(seekPin)) )
{
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init(seek) failed, invalid pin?");
return;
}
mraa_gpio_dir(m_gpioSeek, MRAA_GPIO_OUT);
mraa_gpio_write(m_gpioSeek, 1);
}
SX6119::~SX6119()
{
mraa_gpio_close(m_gpioPower);
mraa_gpio_close(m_gpioSeek);
}
void SX6119::togglePower()
{
// this is just a toggle -- we set LOW for one second and power will
// be turned on or off depending on the previous condition.
mraa_gpio_write(m_gpioPower, 0);
sleep(1);
mraa_gpio_write(m_gpioPower, 1);
}
void SX6119::seek()
{
// this is just a trigger -- we set LOW for 500ms to seek to the
// next available station, wrapping around when we reach the end.
mraa_gpio_write(m_gpioSeek, 0);
usleep(500000);
mraa_gpio_write(m_gpioSeek, 1);
}
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