From 77129227c12267c39c186ab96dbf71449544e93f Mon Sep 17 00:00:00 2001 From: Nikolay Marchuk Date: Fri, 4 Oct 2024 23:40:44 +0700 Subject: [PATCH] furi_hal_random: Wait for ready state and no errors before sampling When random output is not ready, but error state flags are not set, sampling of random generator samples zero until next value is ready. --- targets/f7/furi_hal/furi_hal_random.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/targets/f7/furi_hal/furi_hal_random.c b/targets/f7/furi_hal/furi_hal_random.c index 8b75a05c5b4..6269a90e1b8 100644 --- a/targets/f7/furi_hal/furi_hal_random.c +++ b/targets/f7/furi_hal/furi_hal_random.c @@ -11,7 +11,7 @@ #define TAG "FuriHalRandom" static uint32_t furi_hal_random_read_rng(void) { - while(LL_RNG_IsActiveFlag_CECS(RNG) && LL_RNG_IsActiveFlag_SECS(RNG) && + while(LL_RNG_IsActiveFlag_CECS(RNG) || LL_RNG_IsActiveFlag_SECS(RNG) || !LL_RNG_IsActiveFlag_DRDY(RNG)) { /* Error handling as described in RM0434, pg. 582-583 */ if(LL_RNG_IsActiveFlag_CECS(RNG)) {