File sr_595.h

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Source Code

#pragma once
#ifndef DSY_DEV_SR_595_H
#define DSY_DEV_SR_595_H

#include "daisy_core.h"
#include "per/gpio.h"

namespace daisy
{
const size_t kMaxSr595DaisyChain
    = 16; 
class ShiftRegister595
{
  public:
    enum Pins
    {
        PIN_LATCH, 
        PIN_CLK,   
        PIN_DATA,  
        NUM_PINS, 
    };
    ShiftRegister595() {}
    ~ShiftRegister595() {}

    void Init(Pin *pin_cfg, size_t num_daisy_chained = 1);

    void Set(uint8_t idx, bool state);

    void Write();

  private:
    GPIO    pin_[NUM_PINS];
    uint8_t state_[kMaxSr595DaisyChain];
    size_t  num_devices_;
};
} // namespace daisy

#endif