34 lines
1014 B
C++
34 lines
1014 B
C++
#ifndef __SPI_H__
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#define __SPI_H__
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#include "Sys.h"
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#include "Port.h"
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// Flash类
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class Flash
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{
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public:
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bool WriteBlock(uint address, byte* buf, uint numBytes, bool fIncrementDataPtr = true);
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// 擦除块 （段地址）
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bool EraseBlock(uint address);
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// 指定块是否被擦除
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bool IsBlockErased(uint address, uint numBytes);
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public:
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uint Size; // 容量大小，字节
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uint BytesPerBlock; // 每块字节数
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uint StartAddress; // 起始地址
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Flash();
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// 擦除块。其实地址，字节数量默认0表示擦除全部
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bool Erase(uint address = 0, uint numBytes = 0);
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// 读取段数据 （起始段，字节数量，目标缓冲区）
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bool Read(uint address, byte* buf, uint numBytes);
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// 写入段数据 （起始段，段数量，目标缓冲区，读改写）
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bool Write(uint address, byte* buf, uint numBytes, bool readModifyWrite = true);
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bool Memset(uint address, byte data, uint numBytes);
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};
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#endif
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