ADC.h

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#ifndef ATMEGA328P_DEFINITIONS_ADC_H
#define ATMEGA328P_DEFINITIONS_ADC_H
 
#include <stdint.h>
#include "Package.h"

namespace atmega328p
{
    namespace adc
    {
        enum class Channel : uint8_t
        {
            ADC0 = 0, 
            ADC1 = 1, 
            ADC2 = 2, 
            ADC3 = 3, 
            ADC4 = 4, 
            ADC5 = 5, 
            ADC6 = 6, 
            ADC7 = 7, 
        };

        enum class InputPin : uint8_t
        {
            ADC0 = 0x10, 
            ADC1 = 0x11, 
            ADC2 = 0x12, 
            ADC3 = 0x13, 
            ADC4 = 0x14, 
            ADC5 = 0x15, 
            ADC6 = 0xFF, 
            ADC7 = 0xFF, 
        };

        enum class InternalInput : uint8_t
        {
            TemperatureSensor = 8, 
            Bandgap = 14,          
            Ground = 15,           
        };

        enum class Reference : uint8_t
        {
            AREF = 0,        
            AVCC = 1,        
            Reserved = 2,    
            Internal1V1 = 3, 
        };

        enum class TriggerSource : uint8_t
        {
            FreeRunning = 0,         
            AnalogComparator = 1,    
            ExternalInterrupt0 = 2,  
            Timer0CompareMatchA = 3, 
            Timer0Overflow = 4,      
            Timer1CompareMatchB = 5, 
            Timer1Overflow = 6,      
            Timer1CaptureEvent = 7,  
        };

        enum class Prescaler : uint16_t
        {
            Divide2 = 2,     
            Divide4 = 4,     
            Divide8 = 8,     
            Divide16 = 16,   
            Divide32 = 32,   
            Divide64 = 64,   
            Divide128 = 128, 
        };
 
        enum : uint32_t
        {
            resolution_bits = 10,                                          
            max_result = 1023,                                             
            max_external_channel_count = 8,                                
            external_channel_count = package::selected::adc_channel_count, 
            normal_conversion_cycles = 13,                                 
            first_conversion_cycles = 25,                                  
            internal_reference_nominal_mv = 1100,                          
            recommended_clock_min_hz = 50000,                              
            recommended_clock_max_hz = 200000,                             
            electrical_clock_max_hz = 1000000,                             
            recommended_source_impedance_max_ohms = 10000,                 
            normal_conversion_time_min_us_at_1mhz = 13,                    
            normal_conversion_time_max_us_at_50khz = 260,                  
            first_conversion_time_min_us_at_1mhz = 25,                     
            first_conversion_time_max_us_at_50khz = 500,                   
            max_sample_rate_at_max_resolution_sps = 15000,                 
        };
 
        enum : uint8_t
        {
            has_internal_temperature_sensor = 1,                
            has_internal_bandgap_input = 1,                     
            has_ground_input = 1,                               
            input_pin_range_starts_at_gnd = 1,                  
            input_pin_range_ends_at_vcc = 1,                    
            conversion_range_starts_at_gnd = 1,                 
            conversion_range_ends_at_vref = 1,                  
            temperature_sensor_calibrated_accuracy_c = 10,      
            temperature_sensor_requires_calibration = 1,        
            temperature_sensor_gain_signature_address = 0x03,   
            temperature_sensor_offset_signature_address = 0x02, 
        };
 
        enum : uint16_t
        {
            automotive_temperature_code_minus_40c = 0x010D, 
            automotive_temperature_code_25c = 0x0160,       
            automotive_temperature_code_125c = 0x01E0,      
            automotive_accuracy_test_vcc_mv = 4000,         
            automotive_accuracy_test_vref_mv = 4000,        
        };
 
        static constexpr float family_absolute_accuracy_lsb = 2.0f;
        static constexpr float family_inl_lsb = 0.5f;
        static constexpr float automotive_typical_absolute_accuracy_lsb_at_200khz = 2.2f;
        static constexpr float automotive_max_absolute_accuracy_lsb_at_200khz = 3.5f;
        static constexpr float automotive_typical_inl_lsb_at_200khz = 0.6f;
        static constexpr float automotive_max_inl_lsb_at_200khz = 1.5f;
        static constexpr float automotive_typical_dnl_lsb_at_200khz = 0.3f;
        static constexpr float automotive_max_dnl_lsb_at_200khz = 0.7f;
        static constexpr float automotive_max_gain_error_lsb = 3.5f;
        static constexpr float automotive_max_offset_error_lsb = 3.5f;
    }
}
 
#endif