en-us_commands:reference:irtcsetalarm1
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Table of Contents
IrtcSetAlarm1()
IrtcSetAlarm1() sets alarm 1, including seconds.
bool IrtcSetAlarm1(uint8_t mode, uint8_t dayOrDate = 1, uint8_t hour = 0, uint8_t minute = 0, uint8_t second = 0)
Commands
| Command | Arguments | Return Value | Operation |
|---|---|---|---|
IrtcSetAlarm1(mode, dayOrDate, hour, minute, second) | uint8_t modeuint8_t dayOrDate = 1uint8_t hour = 0 — 0~23uint8_t minute = 0 — 0~59uint8_t second = 0 — 0~59 | bool | Sets alarm 1, including seconds. |
Example
// Alarm 1 every day at 08:30:00 IrtcSetAlarm1(IRTC_ALARM1_MATCH_HOUR_MINUTE_SECOND, 1, 8, 30, 0); IrtcAlarmEnable(1, true);
Precautions
Run each device's corresponding Begin command first. Check I²C addresses and pin sharing; if the bool return value is false, inspect wiring and power.
en-us_commands/reference/irtcsetalarm1.1788785568.txt.gz · Last modified: by 127.0.0.1