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DataFlash_Purple: added new logging methods needed for ArduPlane 

builds, but not tested yet
This commit is contained in:
Andrew Tridgell 2011-11-20 19:51:16 +11:00 committed by Pat Hickey
parent 49b768f2f3
commit 8e5f64f8b6
2 changed files with 53 additions and 4 deletions
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49
libraries/DataFlash/DataFlash_Purple.cpp
View File

@ -1,3 +1,4 @@
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
/*
DataFlash_Purple.cpp - DataFlash log library for AT45DB321D
Code by Jordi Muñoz and Jose Julio. DIYDrones.com
@ -317,10 +318,16 @@ void DataFlash_Purple::ChipErase ()
void DataFlash_Purple::StartWrite(int16_t PageAdr)
{
df_BufferNum=1;
df_BufferIdx=0;
df_BufferIdx=4;
df_PageAdr=PageAdr;
df_Stop_Write=0;
WaitReady();
// We are starting a new page - write FileNumber and FilePage
BufferWrite(df_BufferNum,0,df_FileNumber>>8); // High byte
BufferWrite(df_BufferNum,1,df_FileNumber&0xFF); // Low byte
BufferWrite(df_BufferNum,2,df_FilePage>>8); // High byte
BufferWrite(df_BufferNum,3,df_FilePage&0xFF); // Low byte
}
void DataFlash_Purple::FinishWrite(void)
@ -354,7 +361,7 @@ void DataFlash_Purple::WriteByte(byte data)
df_BufferIdx++;
if (df_BufferIdx >= df_PageSize) // End of buffer?
{
df_BufferIdx=0;
df_BufferIdx=4; //(4 bytes for FileNumber, FilePage)
BufferToPage(df_BufferNum,df_PageAdr,0); // Write Buffer to memory, NO WAIT
df_PageAdr++;
if (OVERWRITE_DATA==1)
@ -372,6 +379,12 @@ void DataFlash_Purple::WriteByte(byte data)
df_BufferNum=2;
else
df_BufferNum=1;
// We are starting a new page - write FileNumber and FilePage
BufferWrite(df_BufferNum,0,df_FileNumber>>8); // High byte
BufferWrite(df_BufferNum,1,df_FileNumber&0xFF); // Low byte
df_FilePage++;
BufferWrite(df_BufferNum,2,df_FilePage>>8); // High byte
BufferWrite(df_BufferNum,3,df_FilePage&0xFF); // Low byte
}
}
}
@ -405,11 +418,17 @@ int16_t DataFlash_Purple::GetPage()
void DataFlash_Purple::StartRead(int16_t PageAdr)
{
df_Read_BufferNum=1;
df_Read_BufferIdx=0;
df_Read_BufferIdx=4;
df_Read_PageAdr=PageAdr;
WaitReady();
PageToBuffer(df_Read_BufferNum,df_Read_PageAdr); // Write Memory page to buffer
df_Read_PageAdr++;
// We are starting a new page - read FileNumber and FilePage
df_FileNumber = BufferRead(df_Read_BufferNum,0); // High byte
df_FileNumber = (df_FileNumber<<8) | BufferRead(df_Read_BufferNum,1); // Low byte
df_FilePage = BufferRead(df_Read_BufferNum,2); // High byte
df_FilePage = (df_FilePage<<8) | BufferRead(df_Read_BufferNum,3); // Low byte
}
byte DataFlash_Purple::ReadByte()
@ -421,7 +440,7 @@ byte DataFlash_Purple::ReadByte()
df_Read_BufferIdx++;
if (df_Read_BufferIdx >= df_PageSize) // End of buffer?
{
df_Read_BufferIdx=0;
df_Read_BufferIdx=4; //(4 bytes for FileNumber, FilePage)
PageToBuffer(df_Read_BufferNum,df_Read_PageAdr); // Write memory page to Buffer
df_Read_PageAdr++;
if (df_Read_PageAdr>=DF_MAX_PAGE) // If we reach the end of the memory, start from the begining
@ -429,6 +448,12 @@ byte DataFlash_Purple::ReadByte()
df_Read_PageAdr = 0;
df_Read_END = true;
}
// We are starting a new page - read FileNumber and FilePage
df_FileNumber = BufferRead(df_Read_BufferNum,0); // High byte
df_FileNumber = (df_FileNumber<<8) | BufferRead(df_Read_BufferNum,1); // Low byte
df_FilePage = BufferRead(df_Read_BufferNum,2); // High byte
df_FilePage = (df_FilePage<<8) | BufferRead(df_Read_BufferNum,3); // Low byte
}
return result;
}
@ -452,3 +477,19 @@ int32_t DataFlash_Purple::ReadLong()
result = (result<<8) | ReadByte(); // Last byte
return (int32_t)result;
}
void DataFlash_Purple::SetFileNumber(uint16_t FileNumber)
{
df_FileNumber = FileNumber;
df_FilePage = 1;
}
uint16_t DataFlash_Purple::GetFileNumber()
{
return df_FileNumber;
}
uint16_t DataFlash_Purple::GetFilePage()
{
return df_FilePage;
}

8
libraries/DataFlash/DataFlash_Purple.h
View File

@ -18,6 +18,10 @@ class DataFlash_Purple : public DataFlash_Class
unsigned int df_Read_PageAdr;
unsigned char df_Read_END;
unsigned char df_Stop_Write;
uint16_t df_FileNumber;
uint16_t df_FilePage;
//Methods
unsigned char BufferRead (unsigned char BufferNum, uint16_t IntPageAdr);
void BufferWrite (unsigned char BufferNum, uint16_t IntPageAdr, unsigned char Data);
@ -59,6 +63,10 @@ class DataFlash_Purple : public DataFlash_Class
unsigned char ReadByte();
int16_t ReadInt();
int32_t ReadLong();
void SetFileNumber(uint16_t FileNumber);
uint16_t GetFileNumber();
uint16_t GetFilePage();
};
#endif