FreeTRX/MDUV380_firmware/application/include/interfaces/adc.h
2026-07-06 08:45:33 +02:00

55 lines
2.6 KiB
C

/*
* Copyright (C) 2019 Kai Ludwig, DG4KLU
* Copyright (C) 2019-2025 Roger Clark, VK3KYY / G4KYF
*
*
* 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 of the copyright holder nor the names of its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. Use of this source code or binary releases for commercial purposes is strictly forbidden. This includes, without limitation,
* incorporation in a commercial product or incorporation into a product or project which allows commercial use.
*
* 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
* HOLDER 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.
*
*/
#ifndef _OPENGD77_ADC_H_
#define _OPENGD77_ADC_H_
#include <FreeRTOS.h>
#include <task.h>
extern const int CUTOFF_VOLTAGE_UPPER_HYST;
extern const int CUTOFF_VOLTAGE_LOWER_HYST;
extern const int BATTERY_MAX_VOLTAGE;
extern const int POWEROFF_VOLTAGE_THRESHOLD;
extern const int TEMPERATURE_DECIMAL_RESOLUTION;
#define NO_ADC_CHANNEL_OVERRIDE 0
#define NUM_ADC_CHANNELS 4
#define BATTERY_VOLTAGE_STABILISATION_TIME 1500U // time in PIT ticks for the battery voltage from the ADC to stabilize
extern volatile uint16_t adcVal[NUM_ADC_CHANNELS];
void adcTriggerConversion(int channelOverride);
void adcStartDMA(void);
int adcGetBatteryVoltage(void);
int adcGetVOX(void);
int getTemperature(void);
int8_t getVolumeControl(void);
#endif /* _OPENGD77_ADC_H_ */