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mbed-os / targets / TARGET_Maxim / TARGET_MAX32670 / Libraries / PeriphDrivers / Source / RTC / rtc_reva.h
/******************************************************************************
 * Copyright (C) 2023 Maxim Integrated Products, Inc., All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of Maxim Integrated
 * Products, Inc. shall not be used except as stated in the Maxim Integrated
 * Products, Inc. Branding Policy.
 *
 * The mere transfer of this software does not imply any licenses
 * of trade secrets, proprietary technology, copyrights, patents,
 * trademarks, maskwork rights, or any other form of intellectual
 * property whatsoever. Maxim Integrated Products, Inc. retains all
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 *
 ******************************************************************************/

#ifndef LIBRARIES_PERIPHDRIVERS_SOURCE_RTC_RTC_REVA_H_
#define LIBRARIES_PERIPHDRIVERS_SOURCE_RTC_RTC_REVA_H_

#include "gpio.h"
#include "mxc_delay.h"
#include "mxc_device.h"
#include "mxc_errors.h"
#include "mxc_sys.h"
#include "rtc_reva_regs.h"
#include "rtc.h"
#include "tmr.h"

typedef enum {
    MXC_RTC_REVA_SQUARE_WAVE_DISABLED, ///< Sq. wave output disabled
    MXC_RTC_REVA_SQUARE_WAVE_ENABLED, ///< Sq. wave output enabled
} mxc_rtc_reva_sqwave_en_t;

#define MXC_RTC_REVA_CTRL_RESET_DEFAULT (0x0000UL)
#define MXC_RTC_REVA_IS_BUSY (MXC_F_RTC_REVA_CTRL_BUSY & MXC_RTC->ctrl)
#define MXC_RTC_REVA_IS_ENABLED (MXC_F_RTC_REVA_CTRL_RTCE & MXC_RTC->ctrl)

#define MXC_RTC_REVA_TRIM_PERIODS 5
#define MXC_RTC_REVA_TICKS_PER_PERIOD (MXC_RTC_MAX_SSEC / MXC_RTC_REVA_TRIM_PERIODS)
#define PPM(ppm) ((ppm * 1000000) / 4096)

#define MXC_BUSY_TIMEOUT 1000 // Timeout counts for the Busy bit

int MXC_RTC_RevA_Init(mxc_rtc_reva_regs_t *rtc, uint32_t sec, uint32_t ssec);
int MXC_RTC_RevA_EnableInt(mxc_rtc_reva_regs_t *rtc, uint32_t mask);
int MXC_RTC_RevA_DisableInt(mxc_rtc_reva_regs_t *rtc, uint32_t mask);
int MXC_RTC_RevA_SetTimeofdayAlarm(mxc_rtc_reva_regs_t *rtc, uint32_t ras);
int MXC_RTC_RevA_SetSubsecondAlarm(mxc_rtc_reva_regs_t *rtc, uint32_t rssa);
int MXC_RTC_RevA_Start(mxc_rtc_reva_regs_t *rtc);
int MXC_RTC_RevA_Stop(mxc_rtc_reva_regs_t *rtc);
int MXC_RTC_RevA_SquareWave(mxc_rtc_reva_regs_t *rtc, mxc_rtc_reva_sqwave_en_t sqe,
                            mxc_rtc_freq_sel_t ft);
int MXC_RTC_RevA_Trim(mxc_rtc_reva_regs_t *rtc, int8_t trm);
int MXC_RTC_RevA_GetFlags(mxc_rtc_reva_regs_t *rtc);
int MXC_RTC_RevA_ClearFlags(mxc_rtc_reva_regs_t *rtc, int flags);
int MXC_RTC_RevA_GetSubSecond(mxc_rtc_reva_regs_t *rtc);
int MXC_RTC_RevA_GetSecond(mxc_rtc_reva_regs_t *rtc);
int MXC_RTC_RevA_GetTime(mxc_rtc_reva_regs_t *rtc, uint32_t *sec, uint32_t *subsec);
int MXC_RTC_RevA_GetBusyFlag(mxc_rtc_reva_regs_t *rtc);
int MXC_RTC_RevA_TrimCrystal(mxc_rtc_reva_regs_t *rtc, mxc_tmr_regs_t *tmr);

#endif // LIBRARIES_PERIPHDRIVERS_SOURCE_RTC_RTC_REVA_H_