furi_hal_random: Wait for ready state and no errors before sampling (#…

…3933) When random output is not ready, but error state flags are not set, sampling of random generator samples zero until next value is ready.
flipperdevices · Oct 6, 2024 · cfb9c99 · cfb9c99
1 parent 00c1611
commit cfb9c99
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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)) {