jackcartersmith/blackmagic
1
0
Fork 0
Code Issues Pull Requests Releases Activity

rng: check error before checking if data ready.

Browse Source 
mostly cosmetic, but ease debugging.
This commit is contained in:
Guillaume Revaillot 2019-02-05 14:35:18 +01:00 committed by Karl Palsson
parent 64baacfbbf
commit 5a53f18a78
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/stm32/common/rng_common_v1.c
View File

@ -67,13 +67,13 @@ void rng_interrupt_disable(void)
*/
bool rng_get_random(uint32_t *rand_nr)
{
/* data ready */
if (!(RNG_SR & RNG_SR_DRDY)) {
/* Check for errors */
if (RNG_SR & (RNG_SR_CECS | RNG_SR_SECS)) {
return false;
}
/* Check for errors */
if (RNG_SR & (RNG_SR_CECS | RNG_SR_SECS)) {
/* data ready */
if (!(RNG_SR & RNG_SR_DRDY)) {
return false;
}