2.94 Real-Time Clock and Calendar(RTCC)
The RTCC peripheral is useful in applications which requires clock and calendar features.
Using The Library
RTCC Peripheral library provides API's that can be used to perform below functionalities on the RTCC peripheral.
-
Initialize the RTCC
-
Read and write the time and date registers.
-
Set alarm time and date.
-
Enable/Disable the RTCC interrupt.
-
Register a callback.
Library Interface
RTCC peripheral library provides the following interfaces:
Functions
| Name | Description |
|---|---|
| RTCC_Initialize | Initialize the RTCC peripheral |
| RTCC_TimeSet | Sets time and date in the RTCC peripheral |
| RTCC_TimeGet | Gets time and date from the RTCC peripheral |
| RTCC_AlarmSet | Sets the alarm time and date in the RTCC peripheral |
| RTCC_CallbackRegister | Registers the function to be called from interrupt |
| RTCC_InterruptEnable | Enables RTCC peripheral interrupt |
| RTCC_InterruptDisable | Disables RTCC peripheral interrupt |
Data types and constants
| Name | Type | Description |
|---|---|---|
| RTC_ALARM_MASK | Enum | Possible options for recurrence of RTCC alarm |
| RTC_INT_MASK | Enum | Mask for enabling and disabling the RTCC interrupt |
| RTC_CALLBACK | Typedef | Defines the data type and function signature of the Real Time Clock Calendar callback function |
Note: Not all APIs maybe implemented. See the specific device family
section for available APIs.