diff options
| author | Antoine Mathys <barsamin@gmail.com> | 2013-02-28 18:23:12 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2013-02-28 18:23:12 +0000 |
| commit | 5c78d6a84b504e831adc8f1917cde0c79061dff0 (patch) | |
| tree | 8ee0167489766d5753d7febee000470e35092b19 | |
| parent | a4bcea3d67949c6be45992bd5092a19f163bcd4e (diff) | |
hw/ds1338: Fix conversion between 12 hours and 24 hours modes.
The proper mapping between 24 hours and 12 hours modes is:
0 12 AM
1-11 1-11 AM
12 12 PM
13-23 1-11 PM
Fix code accordingly.
Signed-off-by: Antoine Mathys <barsamin@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/ds1338.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/ds1338.c b/hw/ds1338.c index 6f70538eb3..1da0f96fdc 100644 --- a/hw/ds1338.c +++ b/hw/ds1338.c @@ -59,8 +59,8 @@ static void capture_current_time(DS1338State *s) s->nvram[1] = to_bcd(now.tm_min); if (s->nvram[2] & HOURS_12) { int tmp = now.tm_hour; - if (tmp == 0) { - tmp = 24; + if (tmp % 12 == 0) { + tmp += 12; } if (tmp <= 12) { s->nvram[2] = HOURS_12 | to_bcd(tmp); @@ -145,8 +145,8 @@ static int ds1338_send(I2CSlave *i2c, uint8_t data) if (data & HOURS_PM) { tmp += 12; } - if (tmp == 24) { - tmp = 0; + if (tmp % 12 == 0) { + tmp -= 12; } now.tm_hour = tmp; } else { |