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improve uf2 get flash size

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This commit is contained in:
hathach 2018-06-24 16:43:13 +07:00
parent cef0d2a962
commit c989d9c4ba
1 changed files with 17 additions and 5 deletions
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18
src/usb/uf2/ghostfat.c
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@ -126,13 +126,25 @@ bool hadWrite = false;
static uint32_t get_flash_size(void)
{
// return 1 block of 256 bytes
if ( !bootloader_app_is_valid(DFU_BANK_0_REGION_START) ) return 256;
static uint32_t flash_sz = 0;
// only need to compute once
if ( flash_sz == 0 )
{
// return 1 block of 256 bytes
if ( !bootloader_app_is_valid(DFU_BANK_0_REGION_START) )
{
flash_sz = 256;
}else
{
const bootloader_settings_t * boot_setting;
bootloader_util_settings_get(&boot_setting);
return boot_setting->bank_0_size;
flash_sz = boot_setting->bank_0_size;
}
}
return flash_sz;
}
#if 0