ardupilot/libraries/DataFlash/DataFlash.h

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2.7 KiB
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/* ************************************************************ */
/* Test for DataFlash Log library */
/* ************************************************************ */
#ifndef DataFlash_h
#define DataFlash_h
#include <stdint.h>
#define DF_OVERWRITE_DATA 1 // 0: When reach the end page stop, 1: Start overwriting from page 1
// the last page holds the log format in first 4 bytes. Please change
// this if (and only if!) the low level format changes
#define DF_LOGGING_FORMAT 0x28122011
// we use an invalie logging format to test the chip erase
#define DF_LOGGING_FORMAT_INVALID 0x28122012
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_Stop_Write;
uint16_t df_FileNumber;
uint16_t df_FilePage;
virtual void WaitReady() = 0;
virtual void BufferWrite (unsigned char BufferNum, uint16_t IntPageAdr, unsigned char Data) = 0;
virtual void BufferToPage (unsigned char BufferNum, uint16_t PageAdr, unsigned char wait) = 0;
virtual void PageToBuffer(unsigned char BufferNum, uint16_t PageAdr) = 0;
virtual unsigned char BufferRead (unsigned char BufferNum, uint16_t IntPageAdr) = 0;
virtual void PageErase(uint16_t PageAdr) = 0;
virtual void BlockErase(uint16_t BlockAdr) = 0;
virtual void ChipErase(void (*delay_cb)(unsigned long)) = 0;
// internal high level functions
int16_t find_last_page(void);
int16_t find_last_page_of_log(uint16_t log_number);
bool check_wrapped(void);
public:
unsigned char df_manufacturer;
uint16_t df_device;
uint16_t df_PageSize;
DataFlash_Class() {} // Constructor
virtual void Init(void) = 0;
virtual void ReadManufacturerID() = 0;
virtual bool CardInserted(void) = 0;
int16_t GetPage(void);
int16_t GetWritePage(void);
// erase handling
void EraseAll(void (*delay_cb)(unsigned long));
bool NeedErase(void);
// Write methods
void StartWrite(int16_t PageAdr);
void FinishWrite(void);
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();
// file numbers
void SetFileNumber(uint16_t FileNumber);
uint16_t GetFileNumber();
uint16_t GetFilePage();
// page handling
uint16_t df_NumPages;
// high level interface
int16_t find_last_log(void);
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void get_log_boundaries(uint8_t log_num, int16_t & start_page, int16_t & end_page);
uint8_t get_num_logs(void);
void start_new_log(void);
};
#include "DataFlash_APM1.h"
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#include "DataFlash_APM2.h"
#endif