/* * 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 #include 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_ */