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-rw-r--r--src/platforms/stm32/dfu_f1.c2
-rw-r--r--src/platforms/stm32/dfu_f4.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/src/platforms/stm32/dfu_f1.c b/src/platforms/stm32/dfu_f1.c
index 9d82bec..827712d 100644
--- a/src/platforms/stm32/dfu_f1.c
+++ b/src/platforms/stm32/dfu_f1.c
@@ -61,6 +61,7 @@ uint32_t dfu_poll_timeout(uint8_t cmd, uint32_t addr, uint16_t blocknum)
void dfu_protect_enable(void)
{
+#ifdef DFU_SELF_PROTECT
if ((FLASH_WRPR & 0x03) != 0x00) {
flash_unlock();
FLASH_CR = 0;
@@ -70,6 +71,7 @@ void dfu_protect_enable(void)
/* MD Device: Protect 2 bits with (4 * 1k pages each)*/
flash_program_option_bytes(FLASH_OBP_WRP10, 0x03FC);
}
+#endif
}
void dfu_jump_app_if_valid(void)
diff --git a/src/platforms/stm32/dfu_f4.c b/src/platforms/stm32/dfu_f4.c
index 4f47c99..960ec23 100644
--- a/src/platforms/stm32/dfu_f4.c
+++ b/src/platforms/stm32/dfu_f4.c
@@ -80,10 +80,12 @@ uint32_t dfu_poll_timeout(uint8_t cmd, uint32_t addr, uint16_t blocknum)
void dfu_protect_enable(void)
{
+#ifdef DFU_SELF_PROTECT
if ((FLASH_OPTCR & 0x10000) != 0) {
flash_program_option_bytes(FLASH_OPTCR & ~0x10000);
flash_lock_option_bytes();
}
+#endif
}
void dfu_jump_app_if_valid(void)