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DataFlash: The current method for checking if chip erase worked is producing false positives. We are forcing the block erase until we have a deterministic test method.

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This commit is contained in:
Craig Elder 2012-07-09 15:23:35 -07:00
parent f019d41729
commit 6d3fdfc03a
1 changed files with 4 additions and 1 deletions
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libraries/DataFlash/DataFlash.cpp
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@ -201,7 +201,10 @@ void DataFlash_Class::EraseAll(void (*delay_cb)(unsigned long))
StartRead(df_NumPages+1); StartRead(df_NumPages+1);
int32_t format = ReadLong(); int32_t format = ReadLong();
if (format == DF_LOGGING_FORMAT_INVALID) { // if (format == DF_LOGGING_FORMAT_INVALID)
// the current method for checking if chip erase worked is producing false positives
// we are forcing the block erase until we have a deterministic test method
{
// the chip erase didn't work - fall back to a erasing // the chip erase didn't work - fall back to a erasing
// each page separately. The errata on the APM2 dataflash chip // each page separately. The errata on the APM2 dataflash chip
// suggests that chip erase won't always work // suggests that chip erase won't always work