OpenRTX/openrtx/include/interfaces/platform.h

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3.4 KiB
C

/***************************************************************************
* Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO, *
* Niccolò Izzo IU2KIN *
* Silvano Seva IU2KWO *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, see <http://www.gnu.org/licenses/> *
***************************************************************************/
#ifndef PLATFORM_H
#define PLATFORM_H
#include <stdint.h>
#include <stdbool.h>
/**
* Standard interface for device-specific hardware.
* This interface handles:
* - LEDs
* - Battery voltage read
* - Microphone level
* - Volume and channel selectors
* - Screen backlight control
*/
typedef enum
{
GREEN = 0,
RED,
YELLOW,
WHITE,
} led_t;
/**
* This function handles device hardware initialization.
* Usually called at power-on
*/
void platform_init();
/**
* This function handles device hardware de-initialization.
* Usually called at power-down
*/
void platform_terminate();
/**
* This function reads and returns the current battery voltage in volt.
*/
float platform_getVbat();
/**
* This function reads and returns the current microphone input level.
*/
float platform_getMicLevel();
/**
* This function reads and returns the current volume selector level.
*/
float platform_getVolumeLevel();
/**
* This function reads and returns the current channel selector level.
*/
uint8_t platform_getChSelector();
/**
* This function reads and returns the current PTT status.
*/
bool platform_getPttStatus();
/**
* This function turns on the selected led.
* @param led: which led to control
*/
void platform_ledOn(led_t led);
/**
* This function turns off the selected led.
* @param led: which led to control
*/
void platform_ledOff(led_t led);
/**
* This function emits a tone of the specified frequency from the speaker.
* @param freq: desired frequency
*/
void platform_beepStart(uint16_t freq);
/**
* This function stops emitting a tone.
*/
void platform_beepStop();
/**
* This function sets the screen backlight to the specified level.
* @param level: backlight level, from 0 (backlight off) to 255 (backlight at
* full brightness).
*/
void platform_setBacklightLevel(uint8_t level);
/**
* This function returns a pointer to the device-specific calbration data,
* application code has to cast it to the correct data structure.
* @return pointer to device's calibration data.
*/
const void *platform_getCalibrationData();
#endif /* PLATFORM_H */