mirror of
https://github.com/ArduPilot/ardupilot
synced 2025-01-08 17:08:28 -04:00
5410dff523
this ensures that the DataFlash API is consistent for different CPU architectures, which matters for the Desktop build, and will matter for ARM and other CPUs later
93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/* ************************************************************ */
|
|
/* Test for DataFlash Log library */
|
|
/* ************************************************************ */
|
|
#ifndef DataFlash_h
|
|
#define DataFlash_h
|
|
|
|
// arduino mega SPI pins
|
|
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
|
|
#define DF_DATAOUT 51 // MOSI
|
|
#define DF_DATAIN 50 // MISO
|
|
#define DF_SPICLOCK 52 // SCK
|
|
#define DF_SLAVESELECT 53 // SS (PB0)
|
|
#define DF_RESET 31 // RESET (PC6)
|
|
#else // normal arduino SPI pins...
|
|
#define DF_DATAOUT 11 //MOSI
|
|
#define DF_DATAIN 12 //MISO
|
|
#define DF_SPICLOCK 13 //SCK
|
|
#define DF_SLAVESELECT 10 //SS
|
|
#endif
|
|
|
|
// AT45DB161D Commands (from Datasheet)
|
|
#define DF_TRANSFER_PAGE_TO_BUFFER_1 0x53
|
|
#define DF_TRANSFER_PAGE_TO_BUFFER_2 0x55
|
|
#define DF_STATUS_REGISTER_READ 0xD7
|
|
#define DF_READ_MANUFACTURER_AND_DEVICE_ID 0x9F
|
|
#define DF_PAGE_READ 0xD2
|
|
#define DF_BUFFER_1_READ 0xD4
|
|
#define DF_BUFFER_2_READ 0xD6
|
|
#define DF_BUFFER_1_WRITE 0x84
|
|
#define DF_BUFFER_2_WRITE 0x87
|
|
#define DF_BUFFER_1_TO_PAGE_WITH_ERASE 0x83
|
|
#define DF_BUFFER_2_TO_PAGE_WITH_ERASE 0x86
|
|
#define DF_PAGE_ERASE 0x81
|
|
#define DF_BLOCK_ERASE 0x50
|
|
#define DF_SECTOR_ERASE 0x7C
|
|
#define DF_CHIP_ERASE_0 0xC7
|
|
#define DF_CHIP_ERASE_1 0x94
|
|
#define DF_CHIP_ERASE_2 0x80
|
|
#define DF_CHIP_ERASE_3 0x9A
|
|
|
|
class DataFlash_Class
|
|
{
|
|
private:
|
|
// DataFlash Log variables...
|
|
unsigned char df_BufferNum;
|
|
unsigned char df_Read_BufferNum;
|
|
uint16_t df_BufferIdx;
|
|
uint16_t df_Read_BufferIdx;
|
|
uint16_t df_PageAdr;
|
|
uint16_t df_Read_PageAdr;
|
|
unsigned char df_Read_END;
|
|
unsigned char df_Stop_Write;
|
|
//Methods
|
|
unsigned char BufferRead (unsigned char BufferNum, uint16_t IntPageAdr);
|
|
void BufferWrite (unsigned char BufferNum, uint16_t IntPageAdr, unsigned char Data);
|
|
void BufferToPage (unsigned char BufferNum, uint16_t PageAdr, unsigned char wait);
|
|
void PageToBuffer(unsigned char BufferNum, uint16_t PageAdr);
|
|
void WaitReady();
|
|
unsigned char ReadStatusReg();
|
|
unsigned char ReadStatus();
|
|
uint16_t PageSize();
|
|
|
|
public:
|
|
unsigned char df_manufacturer;
|
|
unsigned char df_device_0;
|
|
unsigned char df_device_1;
|
|
uint16_t df_PageSize;
|
|
|
|
DataFlash_Class(); // Constructor
|
|
void Init();
|
|
void ReadManufacturerID();
|
|
int16_t GetPage();
|
|
int16_t GetWritePage();
|
|
void PageErase (uint16_t PageAdr);
|
|
void ChipErase ();
|
|
// Write methods
|
|
void StartWrite(int16_t PageAdr);
|
|
void FinishWrite();
|
|
void WriteByte(unsigned char data);
|
|
void WriteInt(int16_t data);
|
|
void WriteLong(int32_t data);
|
|
|
|
// Read methods
|
|
void StartRead(int16_t PageAdr);
|
|
unsigned char ReadByte();
|
|
int16_t ReadInt();
|
|
int32_t ReadLong();
|
|
};
|
|
|
|
extern DataFlash_Class DataFlash;
|
|
|
|
#endif
|