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do not lock flash when booting to dfu

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This commit is contained in:
Conor Patrick 2019-10-27 16:07:36 -04:00
parent 4c464c9cc4
commit e4bc364c38
1 changed files with 8 additions and 5 deletions
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13
targets/stm32l432/src/flash.c
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@ -32,14 +32,17 @@ static void flash_unlock(void)
void flash_option_bytes_init(int boot_from_dfu) void flash_option_bytes_init(int boot_from_dfu)
{ {
uint32_t val = 0xfffff8aa; uint32_t val = 0xfffff8aa;
if (solo_is_locked()){
val = 0xfffff8cc;
}
if (boot_from_dfu) if (boot_from_dfu){
{
val &= ~(1<<27); // nBOOT0 = 0 (boot from system rom) val &= ~(1<<27); // nBOOT0 = 0 (boot from system rom)
} }
else {
if (solo_is_locked())
{
val = 0xfffff8cc;
}
}
val &= ~(1<<26); // nSWBOOT0 = 0 (boot from nBoot0) val &= ~(1<<26); // nSWBOOT0 = 0 (boot from nBoot0)
val &= ~(1<<25); // SRAM2_RST = 1 (erase sram on reset) val &= ~(1<<25); // SRAM2_RST = 1 (erase sram on reset)
val &= ~(1<<24); // SRAM2_PE = 1 (parity check en) val &= ~(1<<24); // SRAM2_PE = 1 (parity check en)