FunnyPi-Archive/FunnyLed595/Led74Hc595Driver.cs

using System;
using FunnyCommon.Remoting.Interfaces;
using FunnyCommon.Shared;

namespace FunnyLed595
{
    public class Led74Hc595Driver : IDisposable
    {
        private readonly IRemoteGpoutManager _manager;
        private readonly byte _data;
        private readonly byte _cs;
        private readonly byte _clk;

        private IDisposable _bulk;

        public Led74Hc595Driver(byte data, byte clk, byte cs, IRemoteGpoutManager manager)
        {
            _manager = manager;
            _data = data;
            _clk = clk;
            _cs = cs;

            using (_manager.CreateBulk())
            {
                _manager.Allocate(_data);
                _manager.Allocate(_clk);
                _manager.Allocate(_cs);

                _manager.WritePin(_data, false);
                _manager.WritePin(_clk, false);
                _manager.WritePin(_cs, false);
            }

            _bulk = _manager.CreateBulk();
        }

        public void WriteBit(bool value)
        {
            _manager.WritePin(_data, value);
            _manager.Pulse(_clk);//每写一个位 一次时钟脉冲
        }

        public void WriteByte(byte b)
        {
            //从最高位开始写入
            for (var i = 8; i >= 1; i--)
            {
                WriteBit((b & 0x80) > 0);
                b <<= 1;
            }
        }

        public void Flush()
        {
            _manager.Pulse(_cs);

            _bulk.Dispose();
            _bulk = _manager.CreateBulk();
        }

        public void Dispose()
        {
            _manager.Dispose();
        }
    }
}