//
// Program by performing sector erases.
//
public virtual double _scan_pages_for_same(Action <double> progress_cb = null)
{
progress_cb = progress_cb ?? FlashBuilderConsts._stub_progress;
double progress = 0;
var count = 0;
var same_count = 0;
foreach (FlashBuilderConsts.flash_page page in this.page_list)
{
// Read page data if unknown - after this page.same will be True or False
if (page.same == null)
{
var data = this.flash.target.readBlockMemoryUnaligned8(page.addr, (UInt32)page.data.Count);
page.same = FlashBuilderConsts._same(page.data, data);
progress += page.getVerifyWeight();
count += 1;
if ((bool)page.same)
{
same_count += 1;
}
// Update progress
progress_cb((float)(progress) / (float)(this.page_erase_weight));
}
}
return(progress);
}
//
// Estimate how many pages are the same.
//
// Quickly estimate how many pages are the same. These estimates are used
// by page_erase_program so it is recommended to call this before beginning programming
// This is done automatically by smart_program.
//
public virtual Tuple <UInt32, double> _compute_page_erase_pages_and_weight_sector_read()
{
// Quickly estimate how many pages are the same
UInt32 page_erase_count = 0;
double page_erase_weight = 0;
foreach (var page in this.page_list)
{
// Analyze pages that haven't been analyzed yet
if (page.same == null)
{
UInt32 size = Math.Min(FlashBuilderConsts.PAGE_ESTIMATE_SIZE, (UInt32)page.data.Count);
List <byte> data = this.flash.target.readBlockMemoryUnaligned8(page.addr, size);
bool page_same = FlashBuilderConsts._same(data, page.data.GetRange(0, (int)size));
if (page_same == false)
{
page.same = false;
}
}
}
// Put together page and time estimate
foreach (var page in this.page_list)
{
if (page.same == false)
{
page_erase_count += 1;
page_erase_weight += page.getEraseProgramWeight();
}
else if (page.same == null)
{
// Page is probably the same but must be read to confirm
page_erase_weight += page.getVerifyWeight();
}
else if (page.same == true)
{
// Page is confirmed to be the same so no programming weight
}
}
this.page_erase_count = page_erase_count;
this.page_erase_weight = page_erase_weight;
return(Tuple.Create(page_erase_count, page_erase_weight));
}
//
// Program by performing sector erases.
//
public virtual byte _page_erase_program(Action <double> progress_cb = null)
{
progress_cb = progress_cb ?? FlashBuilderConsts._stub_progress;
UInt32 actual_page_erase_count = 0;
double actual_page_erase_weight = 0;
double progress = 0;
progress_cb(0.0);
foreach (var page in this.page_list)
{
// If the page is not the same
if (page.same == false)
{
progress += page.getEraseProgramWeight();
}
// Read page data if unknown - after this page.same will be True or False
if (page.same == null)
{
var data = this.flash.target.readBlockMemoryUnaligned8(page.addr, (UInt32)page.data.Count);
page.same = FlashBuilderConsts._same(page.data, data);
progress += page.getVerifyWeight();
}
// Program page if not the same
if (page.same == false)
{
this.flash.erasePage(page.addr);
this.flash.programPage(page.addr, page.data);
actual_page_erase_count += 1;
actual_page_erase_weight += page.getEraseProgramWeight();
}
// Update progress
if (this.page_erase_weight > 0)
{
progress_cb((float)(progress) / (float)(this.page_erase_weight));
}
}
progress_cb(1.0);
Trace.TraceInformation("Estimated page erase count: {0}", this.page_erase_count);
Trace.TraceInformation("Actual page erase count: {0}", actual_page_erase_count);
return(FlashBuilder.FLASH_PAGE_ERASE);
}
//
// Compute the number of erased pages.
//
// Determine how many pages in the new data are already erased.
//
public virtual Tuple <UInt32, double> _compute_chip_erase_pages_and_weight()
{
UInt32 chip_erase_count = 0;
double chip_erase_weight = 0;
chip_erase_weight += (double)this.flash.getFlashInfo().erase_weight;
foreach (var page in this.page_list)
{
if (page.erased == null)
{
page.erased = FlashBuilderConsts._erased(page.data);
}
if (!(bool)page.erased)
{
chip_erase_count += 1;
chip_erase_weight += page.getProgramWeight();
}
}
this.chip_erase_count = chip_erase_count;
this.chip_erase_weight = chip_erase_weight;
return(Tuple.Create(chip_erase_count, chip_erase_weight));
}
