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/*
* The MIT License (MIT)
*
* Copyright (c) 2016 Matthias P. Braendli, Maximilien Cuony
*
* 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.
*/
#pragma once
#include <stdint.h>
void analog_init(void);
/* Measure the 12V supply voltage, in 0.5V increments.
* Returns 0.0f in case of error
*
* Warning, do not run from interrupt context!
*/
float analog_measure_12v(void);
/* Measure SWR, and return voltages in mV.
* Returns 0 in case of error, 1 in case of success
*
* Warning, do not run from interrupt context!
*/
int analog_measure_swr(int *forward_mv, int* reflected_mv);
/* Keep an average of measurements, and decide if the repeater should enter
* QRP. Returns 1 if low power must be activated
*
* Warning, do not run from interrupt context!
*/
int analog_supply_too_low(void);
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