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Add get_erase_value() support #8639

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Merged
merged 1 commit into from
Nov 6, 2018
Merged

Add get_erase_value() support #8639

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5 changes: 5 additions & 0 deletions components/storage/blockdevice/COMPONENT_QSPIF/QSPIFBlockDevice.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -514,6 +514,11 @@ bd_size_t QSPIFBlockDevice::size() const
return _device_size_bytes;
}

int QSPIFBlockDevice::get_erase_value() const
{
return 0xFF;
}

/********************************/
/* Different Device Csel Mgmt */
/********************************/
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11 changes: 11 additions & 0 deletions components/storage/blockdevice/COMPONENT_QSPIF/QSPIFBlockDevice.h
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Expand Up @@ -191,6 +191,17 @@ class QSPIFBlockDevice : public BlockDevice {
*/
virtual bd_size_t get_erase_size(bd_addr_t addr);

/** Get the value of storage byte after it was erased
*
* If get_erase_value returns a non-negative byte value, the underlying
* storage is set to that value when erased, and storage containing
* that value can be programmed without another erase.
*
* @return The value of storage when erased, or -1 if you can't
* rely on the value of erased storage
*/
virtual int get_erase_value() const;

/** Get the total size of the underlying device
*
* @return Size of the underlying device in bytes
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