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| author | Uros Majstorovic <majstor@majstor.org> | 2019-10-13 02:05:03 +0200 |
|---|---|---|
| committer | Uros Majstorovic <majstor@majstor.org> | 2019-10-13 02:05:03 +0200 |
| commit | 8c6c68e92d6b4c8aa5e2fcc784ed52da40845acc (patch) | |
| tree | 0251bea9be01701c488f9d8719b52eeb2a64855d /code/ecp/fe310/time.c | |
| parent | 2a39fdf6d943f5738ba174368053a86304b0d8fa (diff) | |
net refactor; rename cmd -> type
Diffstat (limited to 'code/ecp/fe310/time.c')
| -rw-r--r-- | code/ecp/fe310/time.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/code/ecp/fe310/time.c b/code/ecp/fe310/time.c index fedd23a..995b4f2 100644 --- a/code/ecp/fe310/time.c +++ b/code/ecp/fe310/time.c @@ -13,7 +13,12 @@ ecp_cts_t ecp_tm_abstime_ms(ecp_cts_t msec) { return now_ms + msec; } -void ecp_tm_sleep_ms(ecp_cts_t msec) {} +void ecp_tm_sleep_ms(ecp_cts_t msec) { + volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME); + + uint64_t now_ms = *mtime * 1000 / RTC_FREQ; + while (*mtime * 1000 / RTC_FREQ < now_ms + msec); +} void ecp_tm_timer_set(ecp_cts_t next) { uint32_t tick = next * (uint64_t)RTC_FREQ / 1000; |