189 lines
7.0 KiB
C
189 lines
7.0 KiB
C
//*****************************************************************************
|
|
//
|
|
// am_hal_rtc.h
|
|
//! @file
|
|
//!
|
|
//! @brief Functions for interfacing and accessing the Real-Time Clock (RTC).
|
|
//!
|
|
//! @addtogroup rtc1 Real-Time Clock (RTC)
|
|
//! @ingroup apollo1hal
|
|
//! @{
|
|
//
|
|
//*****************************************************************************
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Copyright (c) 2020, Ambiq Micro
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
//
|
|
// 2. Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
//
|
|
// 3. Neither the name of the copyright holder nor the names of its
|
|
// contributors may be used to endorse or promote products derived from this
|
|
// software without specific prior written permission.
|
|
//
|
|
// Third party software included in this distribution is subject to the
|
|
// additional license terms as defined in the /docs/licenses directory.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// This is part of revision 2.4.2 of the AmbiqSuite Development Package.
|
|
//
|
|
//*****************************************************************************
|
|
#ifndef AM_HAL_RTC_H
|
|
#define AM_HAL_RTC_H
|
|
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//! @name OSC Start and Stop
|
|
//! @brief OSC Start and Stop defines.
|
|
//!
|
|
//! OSC Start and Stop defines to be used with \e am_hal_clkgen_osc_x().
|
|
//! @{
|
|
//
|
|
//*****************************************************************************
|
|
#define AM_HAL_RTC_OSC_LFRC 0x1
|
|
#define AM_HAL_RTC_OSC_XT 0x0
|
|
//! @}
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//! @name RTC Interrupts
|
|
//! @brief Macro definitions for RTC interrupt status bits.
|
|
//!
|
|
//! These macros correspond to the bits in the RTC interrupt status register.
|
|
//! They may be used with any of the \e am_hal_rtc_int_x() functions.
|
|
//!
|
|
//! @{
|
|
//
|
|
//*****************************************************************************
|
|
#define AM_HAL_RTC_INT_ALM AM_REG_RTC_INTEN_ALM_M
|
|
#define AM_HAL_RTC_INT_OF AM_REG_RTC_INTEN_OF_M
|
|
#define AM_HAL_RTC_INT_ACC AM_REG_RTC_INTEN_ACC_M
|
|
#define AM_HAL_RTC_INT_ACF AM_REG_RTC_INTEN_ACF_M
|
|
//! @}
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//! @name RTC Alarm Repeat Interval.
|
|
//! @brief Macro definitions for the RTC alarm repeat interval.
|
|
//!
|
|
//! These macros correspond to the RPT bits in the RTCCTL register.
|
|
//! They may be used with the \e am_hal_rtc_alarm_interval_set() function.
|
|
//!
|
|
//! Note: AM_HAL_RTC_ALM_RPT_10TH and AM_HAL_RTC_ALM_RPT_100TH do not
|
|
//! correspond to the RPT bits but are used in conjunction with setting the
|
|
//! ALM100 bits in the ALMLOW register.
|
|
//!
|
|
//! @{
|
|
//
|
|
//*****************************************************************************
|
|
#define AM_HAL_RTC_ALM_RPT_DIS 0x0
|
|
#define AM_HAL_RTC_ALM_RPT_YR 0x1
|
|
#define AM_HAL_RTC_ALM_RPT_MTH 0x2
|
|
#define AM_HAL_RTC_ALM_RPT_WK 0x3
|
|
#define AM_HAL_RTC_ALM_RPT_DAY 0x4
|
|
#define AM_HAL_RTC_ALM_RPT_HR 0x5
|
|
#define AM_HAL_RTC_ALM_RPT_MIN 0x6
|
|
#define AM_HAL_RTC_ALM_RPT_SEC 0x7
|
|
#define AM_HAL_RTC_ALM_RPT_10TH 0x8
|
|
#define AM_HAL_RTC_ALM_RPT_100TH 0x9
|
|
//! @}
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//! @name RTC Alarm 100 Interval.
|
|
//! @brief Macro definitions for the RTC alarm ms intervals.
|
|
//!
|
|
//! These macros are used inside the #am_hal_rtc_alarm_interval_set function
|
|
//! when 10ms and 100ms repeated alarm intervals are desired.
|
|
//!
|
|
//! @{
|
|
//
|
|
//*****************************************************************************
|
|
#define AM_HAL_RTC_ALM100_DEFAULT 0x00
|
|
#define AM_HAL_RTC_ALM100_10TH 0xF0
|
|
#define AM_HAL_RTC_ALM100_100TH 0xFF
|
|
//! @}
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//! @brief The basic time structure used by the HAL for RTC interaction.
|
|
//!
|
|
//! All values are positive whole numbers. The HAL routines convert back and
|
|
//! forth to BCD.
|
|
//
|
|
//*****************************************************************************
|
|
typedef struct am_hal_rtc_time_struct
|
|
{
|
|
uint32_t ui32ReadError;
|
|
uint32_t ui32CenturyEnable;
|
|
uint32_t ui32Weekday;
|
|
uint32_t ui32Century;
|
|
uint32_t ui32Year;
|
|
uint32_t ui32Month;
|
|
uint32_t ui32DayOfMonth;
|
|
uint32_t ui32Hour;
|
|
uint32_t ui32Minute;
|
|
uint32_t ui32Second;
|
|
uint32_t ui32Hundredths;
|
|
}am_hal_rtc_time_t;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
//*****************************************************************************
|
|
//
|
|
// External function definitions
|
|
//
|
|
//*****************************************************************************
|
|
extern void am_hal_rtc_osc_select(uint32_t ui32OSC);
|
|
extern void am_hal_rtc_osc_enable(void);
|
|
extern void am_hal_rtc_osc_disable(void);
|
|
extern void am_hal_rtc_time_12hour(bool b12Hour);
|
|
extern void am_hal_rtc_time_set(am_hal_rtc_time_t *pTime);
|
|
extern uint32_t am_hal_rtc_time_get(am_hal_rtc_time_t *pTime);
|
|
extern void am_hal_rtc_alarm_interval_set(uint32_t ui32RepeatInterval);
|
|
extern void am_hal_rtc_alarm_set(am_hal_rtc_time_t *pTime,
|
|
uint32_t ui32RepeatInterval);
|
|
extern void am_hal_rtc_alarm_get(am_hal_rtc_time_t *pTime);
|
|
extern void am_hal_rtc_int_enable(uint32_t ui32Interrupt);
|
|
extern uint32_t am_hal_rtc_int_enable_get(void);
|
|
extern void am_hal_rtc_int_disable(uint32_t ui32Interrupt);
|
|
extern void am_hal_rtc_int_clear(uint32_t ui32Interrupt);
|
|
extern void am_hal_rtc_int_set(uint32_t ui32Interrupt);
|
|
extern uint32_t am_hal_rtc_int_status_get(bool bEnabledOnly);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // AM_HAL_RTC_H
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// End Doxygen group.
|
|
//! @}
|
|
//
|
|
//*****************************************************************************
|