analog_output.h

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#ifndef ANALOGL_OUTPUT_H
#define ANALOG_OUTPUT_H
 
#include <Arduino.h>
 
namespace modulove {
 
const int MAX_OUTPUT = (1 << 8) - 1;  // Max 8 bit output resolution.
const int MAX_OUTPUT_10BIT = (1 << 10) - 1;  // Max 10 bit output resolution.
 
class AnalogOutput {
   public:
    void Init(uint8_t pin) {
        pinMode(pin, OUTPUT);  // Analog CV Output
        cv_pin_ = pin;
    }
 
    void Init(uint8_t cv_pin, uint8_t led_pin) {
        pinMode(led_pin, OUTPUT);  // LED
        led_pin_ = led_pin;
        #define LED_PIN_DEFINED
        Init(cv_pin);
    }
 
    inline void Update(int val) {
        update((val <= MAX_OUTPUT) ? val : MAX_OUTPUT);
    }
 
    inline void Update10bit(int val) {
        val = val <= MAX_OUTPUT_10BIT ? val : MAX_OUTPUT_10BIT;
        val = map(val, 0, MAX_OUTPUT_10BIT, 0, MAX_OUTPUT);
        update(val);
    }
 
    inline void High() { update(MAX_OUTPUT); }
 
    inline void Low() { update(0); }
 
    inline uint16_t GetValue() { return cv_; }
 
   private:
    uint8_t cv_pin_;
    uint8_t led_pin_;
    uint8_t cv_;
 
    void update(uint16_t val) {
        cv_ = val;
        analogWrite(cv_pin_, cv_);
        #ifdef LED_PIN_DEFINED
        analogWrite(led_pin_, cv_);
        #endif
    }
};
 
}  // namespace modulove
 
#endif