diff options
| -rw-r--r-- | ports/stm32/flashbdev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ports/stm32/flashbdev.c b/ports/stm32/flashbdev.c index 395662c8b..7ad909afe 100644 --- a/ports/stm32/flashbdev.c +++ b/ports/stm32/flashbdev.c @@ -265,8 +265,10 @@ bool flash_bdev_writeblock(const uint8_t *src, uint32_t block) { // bad block number return false; } + uint32_t basepri = raise_irq_pri(IRQ_PRI_FLASH); // prevent cache flushing and USB access uint8_t *dest = flash_cache_get_addr_for_write(flash_addr); memcpy(dest, src, FLASH_BLOCK_SIZE); + restore_irq_pri(basepri); return true; } |