| 48 | } |
| 49 | |
| 50 | static rt_err_t alarm_set(struct rt_alarm *alarm) |
| 51 | { |
| 52 | rt_device_t device; |
| 53 | struct rt_rtc_wkalarm wkalarm; |
| 54 | rt_err_t ret; |
| 55 | |
| 56 | device = rt_device_find("rtc"); |
| 57 | |
| 58 | if (device == RT_NULL) |
| 59 | { |
| 60 | return (RT_ERROR); |
| 61 | } |
| 62 | |
| 63 | if (alarm->flag & RT_ALARM_STATE_START) |
| 64 | wkalarm.enable = RT_TRUE; |
| 65 | else |
| 66 | wkalarm.enable = RT_FALSE; |
| 67 | |
| 68 | wkalarm.tm_sec = alarm->wktime.tm_sec; |
| 69 | wkalarm.tm_min = alarm->wktime.tm_min; |
| 70 | wkalarm.tm_hour = alarm->wktime.tm_hour; |
| 71 | wkalarm.tm_mday = alarm->wktime.tm_mday; |
| 72 | wkalarm.tm_mon = alarm->wktime.tm_mon; |
| 73 | wkalarm.tm_year = alarm->wktime.tm_year; |
| 74 | |
| 75 | ret = rt_device_control(device, RT_DEVICE_CTRL_RTC_SET_ALARM, &wkalarm); |
| 76 | if ((ret == RT_EOK) && wkalarm.enable) |
| 77 | { |
| 78 | ret = rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_ALARM, &wkalarm); |
| 79 | if (ret == RT_EOK) |
| 80 | { |
| 81 | /* |
| 82 | some RTC device like RX8025,it's alarms precision is 1 minute. |
| 83 | in this case,low level RTC driver should set wkalarm->tm_sec to 0. |
| 84 | */ |
| 85 | alarm->wktime.tm_sec = wkalarm.tm_sec; |
| 86 | alarm->wktime.tm_min = wkalarm.tm_min; |
| 87 | alarm->wktime.tm_hour = wkalarm.tm_hour; |
| 88 | alarm->wktime.tm_mday = wkalarm.tm_mday; |
| 89 | alarm->wktime.tm_mon = wkalarm.tm_mon; |
| 90 | alarm->wktime.tm_year = wkalarm.tm_year; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | return (ret); |
| 95 | } |
| 96 | |
| 97 | static void alarm_wakeup(struct rt_alarm *alarm, struct tm *now) |
| 98 | { |
no test coverage detected