mirror of https://github.com/ArduPilot/ardupilot
116 lines
3.0 KiB
C++
116 lines
3.0 KiB
C++
/* ************************************************************ */
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/* Test for DataFlash Log library */
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/* ************************************************************ */
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#ifndef DataFlash_h
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#define DataFlash_h
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#include "../FastSerial/FastSerial.h"
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// flash size
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#define DF_LAST_PAGE 4096
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// arduino mega SPI pins
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#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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#define DF_DATAOUT 51 // MOSI
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#define DF_DATAIN 50 // MISO
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#define DF_SPICLOCK 52 // SCK
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#define DF_SLAVESELECT 53 // SS (PB0)
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#define DF_RESET 31 // RESET (PC6)
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#else // normal arduino SPI pins...
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#define DF_DATAOUT 11 //MOSI
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#define DF_DATAIN 12 //MISO
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#define DF_SPICLOCK 13 //SCK
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#define DF_SLAVESELECT 10 //SS
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#endif
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// AT45DB161D Commands (from Datasheet)
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#define DF_TRANSFER_PAGE_TO_BUFFER_1 0x53
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#define DF_TRANSFER_PAGE_TO_BUFFER_2 0x55
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#define DF_STATUS_REGISTER_READ 0xD7
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#define DF_READ_MANUFACTURER_AND_DEVICE_ID 0x9F
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#define DF_PAGE_READ 0xD2
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#define DF_BUFFER_1_READ 0xD4
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#define DF_BUFFER_2_READ 0xD6
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#define DF_BUFFER_1_WRITE 0x84
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#define DF_BUFFER_2_WRITE 0x87
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#define DF_BUFFER_1_TO_PAGE_WITH_ERASE 0x83
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#define DF_BUFFER_2_TO_PAGE_WITH_ERASE 0x86
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#define DF_PAGE_ERASE 0x81
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#define DF_BLOCK_ERASE 0x50
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#define DF_SECTOR_ERASE 0x7C
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#define DF_CHIP_ERASE_0 0xC7
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#define DF_CHIP_ERASE_1 0x94
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#define DF_CHIP_ERASE_2 0x80
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#define DF_CHIP_ERASE_3 0x9A
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class DataFlash_Class
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{
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private:
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// DataFlash Log variables...
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unsigned char df_BufferNum;
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unsigned char df_Read_BufferNum;
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uint16_t df_BufferIdx;
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uint16_t df_Read_BufferIdx;
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uint16_t df_PageAdr;
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uint16_t df_Read_PageAdr;
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unsigned char df_Read_END;
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unsigned char df_Stop_Write;
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uint16_t df_FileNumber;
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uint16_t df_FilePage;
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//Methods
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unsigned char BufferRead (unsigned char BufferNum, uint16_t IntPageAdr);
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void BufferWrite (unsigned char BufferNum, uint16_t IntPageAdr, unsigned char Data);
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void BufferToPage (unsigned char BufferNum, uint16_t PageAdr, unsigned char wait);
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void PageToBuffer(unsigned char BufferNum, uint16_t PageAdr);
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void WaitReady();
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unsigned char ReadStatusReg();
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unsigned char ReadStatus();
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uint16_t PageSize();
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public:
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unsigned char df_manufacturer;
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unsigned char df_device_0;
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unsigned char df_device_1;
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uint16_t df_PageSize;
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DataFlash_Class(); // Constructor
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void Init();
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void ReadManufacturerID();
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int16_t GetPage();
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int16_t GetWritePage();
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void PageErase (uint16_t PageAdr);
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void ChipErase ();
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// Write methods
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void StartWrite(int16_t PageAdr);
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void FinishWrite();
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void WriteByte(unsigned char data);
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void WriteInt(int16_t data);
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void WriteLong(int32_t data);
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// Read methods
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void StartRead(int16_t PageAdr);
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unsigned char ReadByte();
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int16_t ReadInt();
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int32_t ReadLong();
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void SetFileNumber(uint16_t FileNumber);
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uint16_t GetFileNumber();
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uint16_t GetFilePage();
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};
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extern DataFlash_Class DataFlash;
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#endif
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