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DataFlash: hopefully fixed cause of frequent dataflash erase

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Wait for 0.1s after erase and before we start writing parameters to
the log

Pair-Programmed-With: Randy Mackay <rmackay9@yahoo.com>
This commit is contained in:
Andrew Tridgell 2013-05-08 17:00:36 +10:00
parent 7fdf1b6f78
commit 095505129c
3 changed files with 7 additions and 17 deletions
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7
libraries/DataFlash/DataFlash.h
View File

@ -13,13 +13,6 @@
#include <AP_AHRS.h>
#include <stdint.h>
// 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 0x28122013
// we use an invalie logging format to test the chip erase
#define DF_LOGGING_FORMAT_INVALID 0x28122012
class DataFlash_Class
{
public:

10
libraries/DataFlash/DataFlash_Block.cpp
View File

@ -8,6 +8,10 @@
extern AP_HAL::HAL& hal;
// 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 0x28122013
// *** DATAFLASH PUBLIC FUNCTIONS ***
void DataFlash_Block::StartWrite(uint16_t PageAdr)
{
@ -149,17 +153,19 @@ uint16_t DataFlash_Block::GetFilePage()
void DataFlash_Block::EraseAll()
{
for(uint16_t j = 1; j <= (df_NumPages+1)/8; j++) {
for (uint16_t j = 1; j <= (df_NumPages+1)/8; j++) {
BlockErase(j);
if (j%6 == 0) {
hal.scheduler->delay(6);
}
}
// write the logging format in the last page
hal.scheduler->delay(100);
StartWrite(df_NumPages+1);
uint32_t version = DF_LOGGING_FORMAT;
WriteBlock(&version, sizeof(version));
FinishWrite();
hal.scheduler->delay(100);
}
/*
@ -172,5 +178,3 @@ bool DataFlash_Block::NeedErase(void)
ReadBlock(&version, sizeof(version));
return version != DF_LOGGING_FORMAT;
}

7
libraries/DataFlash/DataFlash_Block.h
View File

@ -9,13 +9,6 @@
#include <stdint.h>
// 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 0x28122013
// we use an invalie logging format to test the chip erase
#define DF_LOGGING_FORMAT_INVALID 0x28122012
class DataFlash_Block : public DataFlash_Class
{
public: