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Update to 4 spaces/tab

pull/4521/head
Steven Cooreman 2017-03-28 23:55:26 +02:00 committed by adbridge
parent fcfb7de98d
commit 062ae8ceee
1 changed files with 14 additions and 14 deletions
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28
targets/TARGET_Silicon_Labs/TARGET_EFM32/trng/trng_api.c
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@ -29,27 +29,27 @@ static bool is_trng_enabled = false;
void trng_init(trng_t *obj) void trng_init(trng_t *obj)
{ {
/* Use TRNG0 for all HW entropy collection */ /* Use TRNG0 for all HW entropy collection */
obj->instance = TRNG0; obj->instance = TRNG0;
if(!is_trng_enabled) { if(!is_trng_enabled) {
sl_trng_init(obj->instance); sl_trng_init(obj->instance);
is_trng_enabled = true; is_trng_enabled = true;
} }
} }
void trng_free(trng_t *obj) void trng_free(trng_t *obj)
{ {
/* Don't turn off the TRNG to avoid clearing its FIFO */ /* Don't turn off the TRNG to avoid clearing its FIFO */
(void) obj; (void) obj;
} }
int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length) int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
{ {
int ret = sl_trng_poll(obj->instance, int ret = sl_trng_poll(obj->instance,
output, output,
length, length,
output_length); output_length);
return (ret == 0) ? 0 : -1; return (ret == 0) ? 0 : -1;
} }
#endif /* DEVICE_TRNG */ #endif /* DEVICE_TRNG */