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| author | Stephane D'Alu <sdalu@sdalu.com> | 2016-02-09 00:55:35 +0100 |
|---|---|---|
| committer | Stephane D'Alu <sdalu@sdalu.com> | 2016-02-09 00:55:35 +0100 |
| commit | d27b4471063fa4ad1e4d1717ff0c88346b43ec21 (patch) | |
| tree | c9a7aee1714d988a5fd3d3a5049a399ef0ce0e96 /os/hal/ports/NRF51/NRF51822/rng_lld.c | |
| parent | d9a3d8493cf1df85a7690737755e295de80e8578 (diff) | |
| download | ChibiOS-Contrib-d27b4471063fa4ad1e4d1717ff0c88346b43ec21.tar.gz ChibiOS-Contrib-d27b4471063fa4ad1e4d1717ff0c88346b43ec21.tar.bz2 ChibiOS-Contrib-d27b4471063fa4ad1e4d1717ff0c88346b43ec21.zip | |
cleanup
Diffstat (limited to 'os/hal/ports/NRF51/NRF51822/rng_lld.c')
| -rw-r--r-- | os/hal/ports/NRF51/NRF51822/rng_lld.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/os/hal/ports/NRF51/NRF51822/rng_lld.c b/os/hal/ports/NRF51/NRF51822/rng_lld.c index b22b9fc..12a75e7 100644 --- a/os/hal/ports/NRF51/NRF51822/rng_lld.c +++ b/os/hal/ports/NRF51/NRF51822/rng_lld.c @@ -124,19 +124,12 @@ msg_t rng_lld_write(RNGDriver *rngp, uint8_t *buf, size_t n, if (n == 0) return MSG_OK; - if (n == 1) - rngp->rng->SHORTS |= RNG_SHORTS_VALRDY_STOP_Msk; + NRF_RNG->EVENTS_VALRDY = 0; - - - NRF_RNG->EVENTS_VALRDY = 0; - for (i = 0 ; i < n ; i++) { - /* sleep until number is generated */ + /* wait for next byte */ while (NRF_RNG->EVENTS_VALRDY == 0) { - /* enable wake up on events for __WFE CPU sleep */ SCB->SCR |= SCB_SCR_SEVONPEND_Msk; - /* sleep until next event */ __SEV(); __WFE(); __WFE(); |