63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
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#include "IRcoding.h"
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ushort IRcoding::CodingSize = 255;
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IRcoding::IRcoding(Storage* flash, uint blockSize)
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{
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assert(flash, "必须给出存储介质");
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assert(blockSize, "必须给出具体块大小");
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_Medium = flash;
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_BlockSize = blockSize;
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// 计算需要多少个 Block 存储一个 编码
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for(int i = 1; i < 0xff; i++)
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{
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if(i*blockSize > CodingSize)
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{
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_CodingBlock = i;
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break;
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}
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}
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}
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//IRcoding::~IRcoding()
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//{
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//
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//}
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void IRcoding::SetCfgAddr(uint addr)
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{
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_OrigAddr = addr;
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// 获取第一个 block 的描述信息，知道有多少编码在存
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ByteArray bs(CodingSize);
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GetCoding(0, bs);
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if(!bs.Length())
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{
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debug_printf("获取配置区失败，创建配置区");
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bs.SetLength(2);
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}
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}
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bool IRcoding::SaveCoding(byte index, const Buffer& bs)
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{
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if(bs.Length() > CodingSize)return false;
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if(!_Medium)return false;
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uint address = _OrigAddr + CodingSize * index;
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return _Medium->Write(address, bs);
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}
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bool IRcoding::GetCoding(byte index, Buffer& bs)
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{
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if(bs.Length() > CodingSize)return false;
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if(!_Medium)return false;
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uint address = _OrigAddr + CodingSize * index;
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bs.SetLength(CodingSize);
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bool stat = _Medium->Read(address, bs);
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if(!stat)return false;
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bs.SetLength(bs[0]);
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return true;
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}
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