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115 lines
3.0 KiB
115 lines
3.0 KiB
/* ************************************************************ */ |
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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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