diff options
Diffstat (limited to 'src/device/software_i2c.c')
| -rw-r--r-- | src/device/software_i2c.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/device/software_i2c.c b/src/device/software_i2c.c index 6c9c200dc7..518aa5faf7 100644 --- a/src/device/software_i2c.c +++ b/src/device/software_i2c.c @@ -44,20 +44,21 @@ static int __wait(unsigned bus, int timeout_us, int for_scl) int us; int sda = software_i2c[bus]->get_sda(bus); int scl = software_i2c[bus]->get_scl(bus); - struct mono_time start; - timer_monotonic_get(&start); + struct stopwatch sw; + + stopwatch_init_usecs_expire(&sw, timeout_us); do { int old_sda = sda; int old_scl = scl; - struct rela_time diff = current_time_from(&start); - us = rela_time_in_microseconds(&diff); + + us = stopwatch_duration_usecs(&sw); if (old_sda != (sda = software_i2c[bus]->get_sda(bus))) spew("[SDA transitioned to %d after %dus] ", sda, us); if (old_scl != (scl = software_i2c[bus]->get_scl(bus))) spew("[SCL transitioned to %d after %dus] ", scl, us); - } while (us < timeout_us && (!for_scl || !scl)); + } while (!stopwatch_expired(&sw) && (!for_scl || !scl)); return scl; } |