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silence compiler warnings

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This commit is contained in:
Joey Castillo 2022-01-26 20:16:52 -05:00
parent 0c78fdf535
commit d65103b03b
1 changed files with 2 additions and 11 deletions
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13
watch-library/hardware/watch/watch_private.c
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@ -71,6 +71,8 @@ static inline void _watch_wait_for_entropy() {
} }
// this function is called by arc4random to get entropy for random number generation. // this function is called by arc4random to get entropy for random number generation.
int getentropy(void *buf, size_t buflen);
// let's use the SAM L22's true random number generator to seed the PRNG! // let's use the SAM L22's true random number generator to seed the PRNG!
int getentropy(void *buf, size_t buflen) { int getentropy(void *buf, size_t buflen) {
hri_mclk_set_APBCMASK_TRNG_bit(MCLK); hri_mclk_set_APBCMASK_TRNG_bit(MCLK);
@ -98,17 +100,6 @@ int getentropy(void *buf, size_t buflen) {
return 0; return 0;
} }
int _gettimeofday(struct timeval *tv, void *tzvp) {
(void)tzvp;
watch_date_time date_time = watch_rtc_get_date_time();
// FIXME: this assumes the system time is UTC! Will break for any other time zone.
tv->tv_sec = watch_utility_date_time_to_unix_time(date_time, 0);
tv->tv_usec = 0;
return 0;
}
void _watch_enable_tcc(void) { void _watch_enable_tcc(void) {
// clock TCC0 with the main clock (8 MHz) and enable the peripheral clock. // clock TCC0 with the main clock (8 MHz) and enable the peripheral clock.
hri_gclk_write_PCHCTRL_reg(GCLK, TCC0_GCLK_ID, GCLK_PCHCTRL_GEN_GCLK0_Val | GCLK_PCHCTRL_CHEN); hri_gclk_write_PCHCTRL_reg(GCLK, TCC0_GCLK_ID, GCLK_PCHCTRL_GEN_GCLK0_Val | GCLK_PCHCTRL_CHEN);