Revision 0:1efa49a69ff8, committed 2019-04-10

Comitter:

Mahir Ozturk

Date:

Wed Apr 10 17:28:15 2019 +0300

Commit message:

Initial commit

Changed in this revision

diff -r 000000000000 -r 1efa49a69ff8 Max31341.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Max31341.cpp	Wed Apr 10 17:28:15 2019 +0300
@@ -0,0 +1,68 @@
+/*******************************************************************************
+* Copyright (C) 2018 Maxim Integrated Products, Inc., All rights Reserved.
+*
+* This software is protected by copyright laws of the United States and
+* of foreign countries. This material may also be protected by patent laws
+* and technology transfer regulations of the United States and of foreign
+* countries. This software is furnished under a license agreement and/or a
+* nondisclosure agreement and may only be used or reproduced in accordance
+* with the terms of those agreements. Dissemination of this information to
+* any party or parties not specified in the license agreement and/or
+* nondisclosure agreement is expressly prohibited.
+*
+* 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
+* ownership rights.
+*******************************************************************************
+*/
+#include "Max31341.h"
+
+const RtcBase::regmap_t Max31341::regmap = {
+	/*.config_reg1         = */MAX31341_REG_CONFIG_REG1_ADDR,
+	/*.config_reg2         = */MAX31341_REG_CONFIG_REG2_ADDR,
+	/*.int_ploarity_config = */MAX31341_REG_INT_POLARITY_CONFIG_ADDR,
+	/*.timer_config        = */MAX31341_REG_TIMER_CONFIG_ADDR,
+	/*.int_en_reg          = */MAX31341_REG_INT_EN_REG_ADDR,
+	/*.int_status_reg      = */MAX31341_REG_INT_STATUS_REG_ADDR,
+	/*.seconds             = */MAX31341_REG_SECONDS_ADDR,
+	/*.minutes             = */MAX31341_REG_MINUTES_ADDR,
+	/*.hours               = */MAX31341_REG_HOURS_ADDR,
+	/*.day                 = */MAX31341_REG_DAY_ADDR,
+	/*.date                = */MAX31341_REG_DATE_ADDR,
+	/*.month               = */MAX31341_REG_MONTH_ADDR,
+	/*.year                = */MAX31341_REG_YEAR_ADDR,
+	/*.alm1_sec            = */MAX31341_REG_ALM1_SEC_ADDR,
+	/*.alm1_min            = */MAX31341_REG_ALM1_MIN_ADDR,
+	/*.alm1_hrs            = */MAX31341_REG_ALM1_HRS_ADDR,
+	/*.alm1day_date        = */MAX31341_REG_ALM1DAY_DATE_ADDR,
+	/*.alm1_mon            = */RtcBase::REG_NOT_AVAILABLE,
+	/*.alm1_year           = */RtcBase::REG_NOT_AVAILABLE,
+	/*.alm2_min            = */MAX31341_REG_ALM2_MIN_ADDR,
+	/*.alm2_hrs            = */MAX31341_REG_ALM2_HRS_ADDR,
+	/*.alm2day_date        = */MAX31341_REG_ALM2DAY_DATE_ADDR,
+	/*.timer_count         = */MAX31341_REG_TIMER_COUNT_ADDR,
+	/*.timer_init          = */MAX31341_REG_TIMER_INIT_ADDR,
+	/*.ram_start           = */MAX31341_REG_RAM_START_ADDR,
+	/*.ram_end             = */MAX31341_REG_RAM_END_ADDR,
+	/*.pwr_mgmt_reg        = */MAX31341_REG_PWR_MGMT_REG_ADDR,
+	/*.trickle_reg         = */MAX31341_REG_TRICKLE_REG_ADDR,
+	/*.clock_sync_delay    = */MAX31341_REG_CLOCK_SYNC_REG,
+};
+

diff -r 000000000000 -r 1efa49a69ff8 Max31341.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Max31341.h	Wed Apr 10 17:28:15 2019 +0300
@@ -0,0 +1,48 @@
+/*******************************************************************************
+* Copyright (C) 2018 Maxim Integrated Products, Inc., All rights Reserved.
+*
+* This software is protected by copyright laws of the United States and
+* of foreign countries. This material may also be protected by patent laws
+* and technology transfer regulations of the United States and of foreign
+* countries. This software is furnished under a license agreement and/or a
+* nondisclosure agreement and may only be used or reproduced in accordance
+* with the terms of those agreements. Dissemination of this information to
+* any party or parties not specified in the license agreement and/or
+* nondisclosure agreement is expressly prohibited.
+*
+* 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
+* ownership rights.
+*******************************************************************************
+*/
+#include "RtcBase.h"
+#include "Max31341_regs.h"
+
+#ifndef MAX31341_H_
+#define MAX31341_H_
+
+class Max31341 : public RtcBase {
+public:
+	Max31341(I2C *i2c, PinName inta_pin = NC, PinName intb_pin = NC) : RtcBase(&regmap, i2c, inta_pin, intb_pin) {}
+private:
+	static const regmap_t regmap;
+};
+
+#endif /* MAX31341_H_ */

diff -r 000000000000 -r 1efa49a69ff8 Max31341_regs.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Max31341_regs.h	Wed Apr 10 17:28:15 2019 +0300
@@ -0,0 +1,68 @@
+/*******************************************************************************
+ * Copyright (C) 2018 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
+ * ownership rights.
+ *******************************************************************************
+ */
+
+#ifndef MAX31341_REGS_H_
+#define MAX31341_REGS_H_
+
+enum max31341_register_address {
+	MAX31341_REG_CONFIG_REG1_ADDR		= 0x00,
+	MAX31341_REG_CONFIG_REG2_ADDR		= 0x01,
+	MAX31341_REG_INT_POLARITY_CONFIG_ADDR	= 0x02,
+	MAX31341_REG_TIMER_CONFIG_ADDR		= 0x03,
+	MAX31341_REG_INT_EN_REG_ADDR		= 0x04,
+	MAX31341_REG_INT_STATUS_REG_ADDR	= 0x05,
+	MAX31341_REG_SECONDS_ADDR			= 0x06,
+	MAX31341_REG_MINUTES_ADDR			= 0x07,
+	MAX31341_REG_HOURS_ADDR				= 0x08,
+	MAX31341_REG_DAY_ADDR				= 0x09,
+	MAX31341_REG_DATE_ADDR				= 0x0A,
+	MAX31341_REG_MONTH_ADDR				= 0x0B,
+	MAX31341_REG_YEAR_ADDR				= 0x0C,
+	MAX31341_REG_ALM1_SEC_ADDR			= 0x0D,
+	MAX31341_REG_ALM1_MIN_ADDR			= 0x0E,
+	MAX31341_REG_ALM1_HRS_ADDR			= 0x0F,
+	MAX31341_REG_ALM1DAY_DATE_ADDR		= 0x10,
+	MAX31341_REG_ALM2_MIN_ADDR			= 0x11,
+	MAX31341_REG_ALM2_HRS_ADDR			= 0x12,
+	MAX31341_REG_ALM2DAY_DATE_ADDR		= 0x13,
+	MAX31341_REG_TIMER_COUNT_ADDR		= 0x14,
+	MAX31341_REG_TIMER_INIT_ADDR		= 0x15,
+	MAX31341_REG_RAM_START_ADDR			= 0x16,
+	MAX31341_REG_RAM_END_ADDR			= 0x55,
+	MAX31341_REG_PWR_MGMT_REG_ADDR		= 0x56,
+	MAX31341_REG_TRICKLE_REG_ADDR		= 0x57,
+	MAX31341_REG_CLOCK_SYNC_REG			= 0x58,
+	MAX31341_REG_END,
+};
+
+#endif /* MAX31341_REGS_H_ */

diff -r 000000000000 -r 1efa49a69ff8 Max31342.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Max31342.cpp	Wed Apr 10 17:28:15 2019 +0300
@@ -0,0 +1,68 @@
+/*******************************************************************************
+* Copyright (C) 2018 Maxim Integrated Products, Inc., All rights Reserved.
+*
+* This software is protected by copyright laws of the United States and
+* of foreign countries. This material may also be protected by patent laws
+* and technology transfer regulations of the United States and of foreign
+* countries. This software is furnished under a license agreement and/or a
+* nondisclosure agreement and may only be used or reproduced in accordance
+* with the terms of those agreements. Dissemination of this information to
+* any party or parties not specified in the license agreement and/or
+* nondisclosure agreement is expressly prohibited.
+*
+* 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
+* ownership rights.
+*******************************************************************************
+*/
+#include "Max31342.h"
+
+const RtcBase::regmap_t Max31342::regmap = {
+	/*.config_reg1         = */MAX31342_REG_CONFIG_REG1_ADDR,
+	/*.config_reg2         = */MAX31342_REG_CONFIG_REG2_ADDR,
+	/*.int_ploarity_config = */RtcBase::REG_NOT_AVAILABLE,
+	/*.timer_config        = */MAX31342_REG_TIMER_CONFIG_ADDR,
+	/*.int_en_reg          = */MAX31342_REG_INT_EN_REG_ADDR,
+	/*.int_status_reg      = */MAX31342_REG_INT_STATUS_REG_ADDR,
+	/*.seconds             = */MAX31342_REG_SECONDS_ADDR,
+	/*.minutes             = */MAX31342_REG_MINUTES_ADDR,
+	/*.hours               = */MAX31342_REG_HOURS_ADDR,
+	/*.day                 = */MAX31342_REG_DAY_ADDR,
+	/*.date                = */MAX31342_REG_DATE_ADDR,
+	/*.month               = */MAX31342_REG_MONTH_ADDR,
+	/*.year                = */MAX31342_REG_YEAR_ADDR,
+	/*.alm1_sec            = */MAX31342_REG_ALM1_SEC_ADDR,
+	/*.alm1_min            = */MAX31342_REG_ALM1_MIN_ADDR,
+	/*.alm1_hrs            = */MAX31342_REG_ALM1_HRS_ADDR,
+	/*.alm1day_date        = */MAX31342_REG_ALM1DAY_DATE_ADDR,
+	/*.alm1_mon            = */MAX31342_REG_ALM1_MON_ADDR,
+	/*.alm1_year           = */MAX31342_REG_ALM1_YEAR_ADDR,
+	/*.alm2_min            = */MAX31342_REG_ALM2_MIN_ADDR,
+	/*.alm2_hrs            = */MAX31342_REG_ALM2_HRS_ADDR,
+	/*.alm2day_date        = */MAX31342_REG_ALM2DAY_DATE_ADDR,
+	/*.timer_count         = */MAX31342_REG_TIMER_COUNT_ADDR,
+	/*.timer_init          = */MAX31342_REG_TIMER_INIT_ADDR,
+	/*.ram_start           = */RtcBase::REG_NOT_AVAILABLE,
+	/*.ram_end             = */RtcBase::REG_NOT_AVAILABLE,
+	/*.pwr_mgmt_reg        = */RtcBase::REG_NOT_AVAILABLE,
+	/*.trickle_reg         = */RtcBase::REG_NOT_AVAILABLE,
+	/*.clock_sync_delay    = */MAX31342_REG_CLOCK_SYNC_REG,
+};
+

diff -r 000000000000 -r 1efa49a69ff8 Max31342.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Max31342.h	Wed Apr 10 17:28:15 2019 +0300
@@ -0,0 +1,48 @@
+/*******************************************************************************
+* Copyright (C) 2018 Maxim Integrated Products, Inc., All rights Reserved.
+*
+* This software is protected by copyright laws of the United States and
+* of foreign countries. This material may also be protected by patent laws
+* and technology transfer regulations of the United States and of foreign
+* countries. This software is furnished under a license agreement and/or a
+* nondisclosure agreement and may only be used or reproduced in accordance
+* with the terms of those agreements. Dissemination of this information to
+* any party or parties not specified in the license agreement and/or
+* nondisclosure agreement is expressly prohibited.
+*
+* 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
+* ownership rights.
+*******************************************************************************
+*/
+#include "RtcBase.h"
+#include "Max31342_regs.h"
+
+#ifndef MAX31342_H_
+#define MAX31342_H_
+
+class Max31342 : public RtcBase {
+public:
+	Max31342(I2C *i2c, PinName inta_pin = NC, PinName intb_pin = NC) : RtcBase(&regmap, i2c, inta_pin, intb_pin) {}
+private:
+	static const regmap_t regmap;
+};
+
+#endif /* MAX31342_H_ */

diff -r 000000000000 -r 1efa49a69ff8 Max31342_regs.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Max31342_regs.h	Wed Apr 10 17:28:15 2019 +0300
@@ -0,0 +1,66 @@
+/*******************************************************************************
+ * Copyright (C) 2018 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
+ * ownership rights.
+ *******************************************************************************
+ */
+
+#ifndef MAX31342_REGS_H_
+#define MAX31342_REGS_H_
+
+enum max31342_register_address {
+	MAX31342_REG_CONFIG_REG1_ADDR		= 0x00,
+	MAX31342_REG_CONFIG_REG2_ADDR		= 0x01,
+	MAX31342_REG_SLEEP_CONFIG_ADDR		= 0x02,
+	MAX31342_REG_TIMER_CONFIG_ADDR		= 0x03,
+	MAX31342_REG_INT_EN_REG_ADDR		= 0x04,
+	MAX31342_REG_INT_STATUS_REG_ADDR	= 0x05,
+	MAX31342_REG_SECONDS_ADDR			= 0x06,
+	MAX31342_REG_MINUTES_ADDR			= 0x07,
+	MAX31342_REG_HOURS_ADDR				= 0x08,
+	MAX31342_REG_DAY_ADDR				= 0x09,
+	MAX31342_REG_DATE_ADDR				= 0x0A,
+	MAX31342_REG_MONTH_ADDR				= 0x0B,
+	MAX31342_REG_YEAR_ADDR				= 0x0C,
+	MAX31342_REG_ALM1_SEC_ADDR			= 0x0D,
+	MAX31342_REG_ALM1_MIN_ADDR			= 0x0E,
+	MAX31342_REG_ALM1_HRS_ADDR			= 0x0F,
+	MAX31342_REG_ALM1DAY_DATE_ADDR		= 0x10,
+	MAX31342_REG_ALM1_MON_ADDR			= 0x11,
+	MAX31342_REG_ALM1_YEAR_ADDR			= 0x12,
+	MAX31342_REG_ALM2_MIN_ADDR			= 0x13,
+	MAX31342_REG_ALM2_HRS_ADDR			= 0x14,
+	MAX31342_REG_ALM2DAY_DATE_ADDR		= 0x15,
+	MAX31342_REG_TIMER_COUNT_ADDR		= 0x16,
+	MAX31342_REG_TIMER_INIT_ADDR		= 0x17,
+	MAX31342_REG_CLOCK_SYNC_REG			= 0x58,
+	MAX31342_REG_END,
+ };
+
+#endif /* MAX31342_REGS_H_ */

diff -r 000000000000 -r 1efa49a69ff8 RtcBase.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RtcBase.cpp	Wed Apr 10 17:28:15 2019 +0300
@@ -0,0 +1,1181 @@
+/*******************************************************************************
+ * Copyright (C) 2018 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
+ * ownership rights.
+ *******************************************************************************
+ */
+
+#include "RtcBase.h"
+
+#define pr_err(fmt, ...) if(1) printf(fmt " (%s:%d)\r\n", ## __VA_ARGS__, __func__, __LINE__)
+#define pr_debug(fmt, ...) if(0) printf(fmt " (%s:%d)\r\n", ## __VA_ARGS__, __func__, __LINE__)
+
+#define BCD2BIN(val) (((val) & 15) + ((val) >> 4) * 10)
+#define BIN2BCD(val) ((((val) / 10) << 4) + (val) % 10)
+
+#define POST_INTR_WORK_SIGNAL_ID			0x1
+
+RtcBase::RtcBase(const regmap_t *regmap, I2C *i2c, PinName inta_pin = NC, PinName intb_pin = NC)
+{
+	if (i2c == NULL) {
+		pr_err("i2c object is invalid!");
+		while (1);
+	}
+	i2c_handler = i2c;
+
+	this->regmap = regmap;
+
+	sw_reset_release();
+
+	rtc_start();
+
+	irq_disable_all();
+
+	post_intr_work_thread = new Thread();
+
+	post_intr_work_thread->start(Callback<void()>(this, &RtcBase::post_interrupt_work));
+
+	if (inta_pin != NC) {
+		this->inta_pin = new InterruptIn(inta_pin);
+
+		this->inta_pin->fall(Callback<void()>(this, &RtcBase::interrupt_handler));
+
+		this->inta_pin->enable_irq();
+	} else {
+		this->inta_pin = NULL;
+	}
+
+	if (intb_pin != NC) {
+		this->intb_pin = new InterruptIn(intb_pin);
+
+		this->intb_pin->fall(Callback<void()>(this, &RtcBase::interrupt_handler));
+
+		this->intb_pin->enable_irq();
+	} else {
+		this->intb_pin = NULL;
+	}
+}
+
+RtcBase::~RtcBase()
+{
+	if (post_intr_work_thread) {
+		delete post_intr_work_thread;
+	}
+
+	if (inta_pin) {
+		delete inta_pin;
+	}
+
+	if (intb_pin) {
+		delete intb_pin;
+	}
+}
+
+int RtcBase::read_register(uint8_t reg, uint8_t *value, uint8_t len)
+{
+	int ret;
+
+	if (value == NULL) {
+		pr_err("value is invalid!");
+		return -1;
+	}
+
+	ret = i2c_handler->write(MAX3134X_I2C_W, (const char *) &reg, 1, true);
+	if (ret != 0) {
+		pr_err("i2c write failed with %d!", ret);
+		return -1;
+	}
+
+	ret = i2c_handler->read(MAX3134X_I2C_R, (char *) value, len, false);
+	if (ret < 0) {
+		pr_err("i2c read failed with %d!", ret);
+		return -1;
+	}
+
+	return 0;
+}
+
+int RtcBase::write_register(uint8_t reg, const uint8_t *value, uint8_t len)
+{
+	int ret;
+	uint8_t *buffer;
+
+	if (value == NULL) {
+		pr_err("value is invalid!");
+		return -1;
+	}
+
+	buffer = new uint8_t[1 + len];
+	buffer[0] = reg;
+
+	memcpy(&buffer[1], value, len);
+
+	ret = i2c_handler->write(MAX3134X_I2C_W, (const char *)buffer, 1 + len);
+	if (ret != 0) {
+		pr_err("i2c write failed with %d!", ret);
+	}
+
+	delete[] buffer;
+
+	return ret;
+}
+
+int RtcBase::rtc_regs_to_time(struct tm *time, const rtc_time_regs_t *regs)
+{
+	/* tm_sec seconds [0,61] */
+	time->tm_sec = BCD2BIN(regs->seconds.bcd.value);
+
+	/* tm_min minutes [0,59] */
+	time->tm_min = BCD2BIN(regs->minutes.bcd.value);
+
+	/* tm_hour hour [0,23] */
+	time->tm_hour = BCD2BIN(regs->hours.bcd.value);
+
+	/* tm_wday day of week [0,6] (Sunday = 0) */
+	time->tm_wday = BCD2BIN(regs->day.bcd.value) - 1;
+
+	/* tm_mday day of month [1,31] */
+	time->tm_mday = BCD2BIN(regs->date.bcd.value);
+
+	/* tm_mon month of year [0,11] */
+	time->tm_mon = BCD2BIN(regs->month.bcd.value) - 1;
+
+	/* tm_year years since 2000 */
+	if (regs->month.bits.century) {
+		time->tm_year = BCD2BIN(regs->year.bcd.value) + 200;
+	} else {
+		time->tm_year = BCD2BIN(regs->year.bcd.value) + 100;
+	}
+
+	/* tm_yday day of year [0,365] */
+	time->tm_yday = 0; /* TODO */
+
+	/* tm_isdst daylight savings flag */
+	time->tm_isdst = 0; /* TODO */
+
+	return 0;
+}
+
+int RtcBase::time_to_rtc_regs(rtc_time_regs_t *regs, const struct tm *time)
+{
+	/*********************************************************
+	 * +----------+------+---------------------------+-------+
+	 * | Member   | Type | Meaning                   | Range |
+	 * +----------+------+---------------------------+-------+
+	 * | tm_sec   | int  | seconds after the minute  | 0-61* |
+	 * | tm_min   | int  | minutes after the hour    | 0-59  |
+	 * | tm_hour  | int  | hours since midnight      | 0-23  |
+	 * | tm_mday  | int  | day of the month          | 1-31  |
+	 * | tm_mon   | int  | months since January      | 0-11  |
+	 * | tm_year  | int  | years since 1900          |       |
+	 * | tm_wday  | int  | days since Sunday         | 0-6   |
+	 * | tm_yday  | int  | days since January 1      | 0-365 |
+	 * | tm_isdst | int  | Daylight Saving Time flag |       |
+	 * +----------+------+---------------------------+-------+
+	 * * tm_sec is generally 0-59. The extra range is to accommodate for leap
+	 *   seconds in certain systems.
+	 *********************************************************/
+	regs->seconds.bcd.value = BIN2BCD(time->tm_sec);
+
+	regs->minutes.bcd.value = BIN2BCD(time->tm_min);
+
+	regs->hours.bcd.value= BIN2BCD(time->tm_hour);
+
+	regs->day.bcd.value = BIN2BCD(time->tm_wday + 1);
+
+	regs->date.bcd.value = BIN2BCD(time->tm_mday);
+
+	regs->month.bcd.value = BIN2BCD(time->tm_mon + 1);
+
+	if (time->tm_year >= 200) {
+		regs->month.bits.century = 1;
+		regs->year.bcd.value = BIN2BCD(time->tm_year - 200);
+	} else if (time->tm_year >= 100) {
+		regs->month.bits.century = 0;
+		regs->year.bcd.value = BIN2BCD(time->tm_year - 100);
+	} else {
+		pr_err("Invalid set date!");
+		return -1;
+	}
+
+	return 0;
+}
+
+int RtcBase::get_time(struct tm *time)
+{
+	rtc_time_regs_t time_regs;
+
+	if (time == NULL) {
+		pr_err("rtc_ctime is invalid!");
+		return -1;
+	}
+
+	if (read_register(regmap->seconds, (uint8_t *) &time_regs,
+			sizeof(time_regs)) < 0) {
+		pr_err("read time registers failed!");
+		return -1;
+	}
+
+	return rtc_regs_to_time(time, &time_regs);
+}
+
+int RtcBase::set_rtc_time()
+{
+	config_reg2_t reg;
+
+	/* Toggle Set_RTC bit to set RTC date */
+
+	if (read_register(regmap->config_reg2, (uint8_t *)&reg, 1) < 0) {
+		pr_err("read time registers failed!");
+		return -1;
+	}
+
+	reg.bits.set_rtc = CONFIG_REG2_SET_RTC_RTCPRGM;
+	if (write_register(regmap->config_reg2, (uint8_t *)&reg, 1) < 0) {
+		pr_err("write config2 register failed!");
+		return -1;
+	}
+
+	/* SET_RTC bit should be kept high at least 10ms */
+	ThisThread::sleep_for(10);
+
+	reg.bits.set_rtc = CONFIG_REG2_SET_RTC_RTCRUN;
+	if (write_register(regmap->config_reg2, (uint8_t *)&reg, 1) < 0) {
+		pr_err("write config2 register failed!");
+		return -1;
+	}
+
+	return 0;
+}
+
+int RtcBase::set_time(const struct tm *time)
+{
+	rtc_time_regs_t time_regs;
+
+	if (time == NULL) {
+		pr_err("rtc_ctime is invalid!");
+		return -1;
+	}
+
+	time_to_rtc_regs(&time_regs, time);
+
+	if (write_register(regmap->seconds, (const uint8_t *) &time_regs,
+			sizeof(time_regs)) < 0) {
+		pr_err("read time registers failed!");
+		return -1;
+	}
+
+	return set_rtc_time();
+}
+
+int RtcBase::nvram_write(const uint8_t *buffer, int offset, int length)
+{
+	int totlen;
+
+	if (regmap->ram_start == REG_NOT_AVAILABLE) {
+		pr_err("Device does not have NVRAM!");
+		return -1;
+	}
+
+	totlen = regmap->ram_end - regmap->ram_start + 1;
+
+	if ((offset + length) > totlen) {
+		return -1;
+	}
+
+	if (length == 0) {
+		return 0;
+	}
+
+	if (write_register(regmap->ram_start + offset, buffer, length) < 0) {
+		return -1;
+	}
+
+	return 0;
+}
+
+int RtcBase::nvram_read(uint8_t *buffer, int offset, int length)
+{
+	int totlen;
+
+	if (regmap->ram_start == REG_NOT_AVAILABLE) {
+		pr_err("Device does not have NVRAM!");
+		return -1;
+	}
+
+	totlen = regmap->ram_end - regmap->ram_start + 1;
+
+	if ((offset + length) > totlen) {
+		return -1;
+	}
+
+	if (length == 0) {
+		return -1;
+	}
+
+	if (read_register(regmap->ram_start + offset, buffer, length) < 0) {
+		return -1;
+	}
+
+	return 0;
+}
+
+int RtcBase::nvram_size()
+{
+	if ((regmap->ram_start == REG_NOT_AVAILABLE) ||
+			(regmap->ram_end == REG_NOT_AVAILABLE)) {
+		return 0;
+	}
+
+	return regmap->ram_end - regmap->ram_start + 1;
+}
+
+int RtcBase::time_to_alarm_regs(alarm_regs_t &regs, const struct tm *alarm_time)
+{
+	regs.sec.bcd.value = BIN2BCD(alarm_time->tm_sec);
+	regs.min.bcd.value = BIN2BCD(alarm_time->tm_min);
+	regs.hrs.bcd.value = BIN2BCD(alarm_time->tm_hour);
+
+	if (regs.day_date.bits.dy_dt == 0) {
+		/* Date match */
+		regs.day_date.bcd_date.value = BIN2BCD(alarm_time->tm_mday);
+	} else {
+		/* Day match */
+		regs.day_date.bcd_day.value = BIN2BCD(alarm_time->tm_wday);
+	}
+	regs.mon.bcd.value = BIN2BCD(alarm_time->tm_mon);
+
+	return 0;
+}
+
+int RtcBase::alarm_regs_to_time(struct tm *alarm_time, const alarm_regs_t *regs)
+{
+	alarm_time->tm_sec = BCD2BIN(regs->sec.bcd.value);
+	alarm_time->tm_min = BCD2BIN(regs->min.bcd.value);
+	alarm_time->tm_hour = BCD2BIN(regs->hrs.bcd.value);
+
+	if (regs->day_date.bits.dy_dt == 0) { /* date */
+		alarm_time->tm_mday = BCD2BIN(regs->day_date.bcd_date.value);
+	} else { /* day */
+		alarm_time->tm_wday = BCD2BIN(regs->day_date.bcd_day.value);
+	}
+
+	if (regmap->alm1_mon != REG_NOT_AVAILABLE) {
+		alarm_time->tm_mon = BCD2BIN(regs->mon.bcd.value) - 1;
+	}
+
+	if (regmap->alm1_year != REG_NOT_AVAILABLE) {
+		alarm_time->tm_year = BCD2BIN(regs->year.bcd.value) + 100;	/* XXX no century bit */
+	}
+
+	return 0;
+}
+
+int RtcBase::set_alarm_period(alarm_no_t alarm_no, alarm_regs_t &regs, alarm_period_t period)
+{
+	regs.sec.bits.a1m1 = 1;
+	regs.min.bits.a1m2 = 1;
+	regs.hrs.bits.a1m3 = 1;
+	regs.day_date.bits.a1m4 = 1;
+	regs.mon.bits.a1m5 = 1;
+	regs.mon.bits.a1m6 = 1;
+	regs.day_date.bits.dy_dt = 1;
+
+	switch (period) {
+	case ALARM_PERIOD_ONETIME:
+		if ((alarm_no == ALARM2) || (regmap->alm1_year == REG_NOT_AVAILABLE)) { /* not supported! */
+			return -1;
+		}
+		regs.mon.bits.a1m6 = 0;
+	case ALARM_PERIOD_YEARLY:
+		if ((alarm_no == ALARM2) || (regmap->alm1_mon == REG_NOT_AVAILABLE)) { /* not supported! */
+			return -1;
+		}
+		regs.mon.bits.a1m5 = 0;
+	case ALARM_PERIOD_MONTHLY:
+		regs.day_date.bits.dy_dt = 0;
+	case ALARM_PERIOD_WEEKLY:
+		regs.day_date.bits.a1m4 = 0;
+	case ALARM_PERIOD_DAILY:
+		regs.hrs.bits.a1m3 = 0;
+	case ALARM_PERIOD_HOURLY:
+		regs.min.bits.a1m2 = 0;
+	case ALARM_PERIOD_EVERYMINUTE:
+		regs.sec.bits.a1m1 = 0;
+	case ALARM_PERIOD_EVERYSECOND:
+		if ((alarm_no == ALARM2) && (period == ALARM_PERIOD_EVERYSECOND)) {
+			return -1; /* Alarm2 does not support "once per second" alarm*/
+		}
+		break;
+	default:
+		return -1;
+	}
+
+	return 0;
+}
+
+int RtcBase::set_alarm_regs(alarm_no_t alarm_no, const alarm_regs_t *regs)
+{
+	uint8_t *ptr_regs = (uint8_t *)regs;
+	uint8_t off = 0;
+	uint8_t dev_ba;
+	uint8_t len = sizeof(alarm_regs_t);
+
+	if (alarm_no == ALARM1) {
+		dev_ba = regmap->alm1_sec;
+		if (regmap->alm1_mon == REG_NOT_AVAILABLE) len -= 2; /* discard mon & year registers */
+	} else {
+		dev_ba = regmap->alm2_min;
+		off = 1;	/* starts from min register */
+		len -= 3;	/* discard min, mon & sec registers */
+	}
+
+	return write_register(dev_ba, &ptr_regs[off], len);
+}
+
+int RtcBase::get_alarm_regs(alarm_no_t alarm_no, alarm_regs_t *regs)
+{
+	uint8_t *ptr_regs = (uint8_t *)regs;
+	uint8_t off = 0;
+	uint8_t dev_ba;
+	uint8_t len = sizeof(alarm_regs_t);
+
+	if (alarm_no == ALARM1) {
+		dev_ba = regmap->alm1_sec;
+		if (regmap->alm1_mon == REG_NOT_AVAILABLE) len -= 2; /* discard mon & year registers */
+	} else {
+		regs->sec.raw = 0;	/* zeroise second register for alarm2 */
+		dev_ba = regmap->alm2_min;
+		off = 1;	/* starts from min register (no sec register) */
+		len -= 2;	/* discard mon & sec registers */
+	}
+
+	return read_register(dev_ba, &ptr_regs[off], len);
+}
+
+int RtcBase::set_alarm(alarm_no_t alarm_no, const struct tm *alarm_time, alarm_period_t period)
+{
+	int ret;
+	alarm_regs_t regs;
+
+	ret = set_alarm_period(alarm_no, regs, period);
+	if (ret) {
+		return ret;
+	}
+
+	/* Convert time structure to alarm registers */
+	ret = time_to_alarm_regs(regs, alarm_time);
+	if (ret) {
+		return ret;
+	}
+
+	ret = set_alarm_regs(alarm_no, &regs);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::get_alarm(alarm_no_t alarm_no, struct tm *alarm_time, alarm_period_t *period, bool *is_enabled)
+{
+	int ret;
+	alarm_regs_t regs;
+	uint8_t reg;
+
+	ret = get_alarm_regs(alarm_no, &regs);
+	if (ret) {
+		return ret;
+	}
+
+	/* Convert alarm registers to time structure */
+	ret = alarm_regs_to_time(alarm_time, &regs);
+	if (ret) {
+		return ret;
+	}
+
+	*period = (alarm_no == ALARM1) ? ALARM_PERIOD_EVERYSECOND : ALARM_PERIOD_EVERYMINUTE;
+
+	if ((alarm_no == ALARM1) && (regs.sec.bits.a1m1 == 0)) *period = ALARM_PERIOD_EVERYMINUTE;
+	if (regs.min.bits.a1m2 == 0) *period = ALARM_PERIOD_HOURLY;
+	if (regs.hrs.bits.a1m3 == 0) *period = ALARM_PERIOD_DAILY;
+	if (regs.day_date.bits.a1m4 == 0) *period = ALARM_PERIOD_WEEKLY;
+	if (regs.day_date.bits.dy_dt == 0) *period = ALARM_PERIOD_MONTHLY;
+	if ((alarm_no == ALARM1) && (regmap->alm1_mon != REG_NOT_AVAILABLE) && (regs.mon.bits.a1m5 == 0)) *period = ALARM_PERIOD_YEARLY;
+	if ((alarm_no == ALARM1) && (regmap->alm1_mon != REG_NOT_AVAILABLE) && (regs.mon.bits.a1m6 == 0)) *period = ALARM_PERIOD_ONETIME;
+
+	ret = read_register(regmap->int_en_reg, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	if (alarm_no == ALARM1) {
+		*is_enabled = (reg & (1 << INTR_ID_ALARM1)) != 0;
+	} else {
+		*is_enabled = (reg & (1 << INTR_ID_ALARM2)) != 0;
+	}
+
+	return 0;
+}
+
+int RtcBase::set_power_mgmt_mode(power_mgmt_mode_t mode)
+{
+	int ret;
+	pwr_mgmt_reg_t reg;
+
+	if (regmap->pwr_mgmt_reg == REG_NOT_AVAILABLE) {
+		pr_err("Device does not support power mgmt!");
+		return -1;
+	}
+
+	ret = read_register(regmap->pwr_mgmt_reg, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.d_mode = mode;
+
+	ret = write_register(regmap->pwr_mgmt_reg, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::comparator_threshold_level(comp_thresh_t th)
+{
+	int ret;
+	config_reg2_t reg;
+
+	if (regmap->pwr_mgmt_reg == REG_NOT_AVAILABLE) {
+		pr_err("Device does not support analog comparator!");
+		return -1;
+	}
+
+	ret = read_register(regmap->config_reg2, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.bref = th;
+
+	ret = write_register(regmap->config_reg2, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::supply_select(power_mgmt_supply_t supply)
+{
+	int ret;
+	pwr_mgmt_reg_t reg;
+
+	if (regmap->pwr_mgmt_reg == REG_NOT_AVAILABLE) {
+		pr_err("Device does not support power mgmt!");
+		return -1;
+	}
+
+	ret = read_register(regmap->pwr_mgmt_reg, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	switch (supply) {
+	case POW_MGMT_SUPPLY_SEL_VCC:
+		reg.bits.d_man_sel = 1;
+		reg.bits.d_vback_sel = 0;
+		break;
+	case POW_MGMT_SUPPLY_SEL_AIN:
+		reg.bits.d_man_sel = 1;
+		reg.bits.d_vback_sel = 1;
+		break;
+	case POW_MGMT_SUPPLY_SEL_AUTO:
+	default:
+		reg.bits.d_man_sel = 0;
+		break;
+	}
+
+	ret = write_register(regmap->pwr_mgmt_reg, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::trickle_charger_enable(trickle_charger_ohm_t res, bool diode)
+{
+	int ret;
+	struct {
+		unsigned char ohm      : 2;
+		unsigned char diode    : 1;
+		unsigned char schottky : 1;
+		unsigned char          : 4;
+	} reg;
+
+	if (regmap->trickle_reg == REG_NOT_AVAILABLE) { /* trickle charger not supported! */
+		pr_err("Device does not support trickle charger!");
+		return -1;
+	}
+
+	reg.ohm = res;
+
+	reg.diode = (diode) ? 1 : 0;
+
+	reg.schottky = 1; /* always enabled */
+
+	ret = write_register(regmap->trickle_reg, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::trickle_charger_disable()
+{
+	int ret;
+	uint8_t reg;
+
+	if (regmap->trickle_reg == REG_NOT_AVAILABLE) { /* trickle charger not supported! */
+		pr_err("Device does not support trickle charger!");
+		return -1;
+	}
+
+	reg = 0;
+
+	ret = write_register(regmap->trickle_reg, &reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+
+int RtcBase::set_output_square_wave_frequency(square_wave_out_freq_t freq)
+{
+	int ret;
+	config_reg1_t reg;
+
+	ret = read_register(regmap->config_reg1, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.rs = freq;
+
+	ret = write_register(regmap->config_reg1, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::set_clock_sync_delay(sync_delay_t delay)
+{
+	int ret;
+	clock_sync_reg_t reg;
+
+	ret = read_register(regmap->clock_sync_delay, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.sync_delay = delay;
+
+	ret = write_register(regmap->clock_sync_delay, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::set_clkin_frequency(clkin_freq_t freq)
+{
+	int ret;
+	config_reg1_t reg;
+
+	ret = read_register(regmap->config_reg1, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.clksel = freq;
+
+	ret = write_register(regmap->config_reg1, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	if (freq == CLKIN_FREQ_1HZ) {
+		ret = set_clock_sync_delay(SYNC_DLY_LESS_THAN_1SEC);
+	} else {
+		ret = set_clock_sync_delay(SYNC_DLY_LESS_THAN_100MS);
+	}
+
+	return ret;
+}
+
+int RtcBase::configure_intb_clkout_pin(config_intb_clkout_pin_t sel)
+{
+	int ret;
+	config_reg1_t reg;
+
+	ret = read_register(regmap->config_reg1, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.intcn = (sel == CONFIGURE_PIN_AS_INTB) ? 1 : 0;
+
+	ret = write_register(regmap->config_reg1, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::configure_inta_clkin_pin(config_inta_clkin_pin_t sel)
+{
+	int ret;
+	config_reg1_t reg;
+
+	ret = read_register(regmap->config_reg1, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.eclk = (sel == CONFIGURE_PIN_AS_CLKIN) ? 1 : 0;
+
+	ret = write_register(regmap->config_reg1, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	if (sel == CONFIGURE_PIN_AS_CLKIN) {
+		/* Default synchronization delay for external clock mode */
+		ret = set_clock_sync_delay(SYNC_DLY_LESS_THAN_1SEC);
+	} else {
+		/* Synchronization delay for internal oscillator mode */
+		ret = set_clock_sync_delay(SYNC_DLY_LESS_THAN_20MS);
+	}
+
+	return ret;
+}
+
+int RtcBase::timer_init(uint8_t value, bool repeat, timer_freq_t freq)
+{
+	int ret;
+	timer_config_t reg_cfg;
+
+	ret = read_register(regmap->timer_config, (uint8_t *)&reg_cfg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg_cfg.bits.te = 0; /* timer is reset */
+	reg_cfg.bits.tpause = 1; /* timer is paused */
+	reg_cfg.bits.trpt = repeat ? 1 : 0;	/* Timer repeat mode */
+	reg_cfg.bits.tfs = freq;	/* Timer frequency */
+
+	ret = write_register(regmap->timer_config, (uint8_t *)&reg_cfg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	ret = write_register(regmap->timer_init, (uint8_t *)&value, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+uint8_t RtcBase::timer_get()
+{
+	int ret;
+	uint8_t reg;
+
+	ret = read_register(regmap->timer_count, (uint8_t *)&reg, 1);
+	if (ret) {
+		return (uint8_t) - 1;
+	}
+
+	return reg;
+}
+
+int RtcBase::timer_start()
+{
+	int ret;
+	timer_config_t reg;
+
+	ret = read_register(regmap->timer_config, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.te = 1;
+	reg.bits.tpause = 0;
+
+	ret = write_register(regmap->timer_config, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::timer_pause()
+{
+	int ret;
+	timer_config_t reg;
+
+	ret = read_register(regmap->timer_config, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.te = 1;
+	reg.bits.tpause = 1;
+
+	ret = write_register(regmap->timer_config, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::timer_continue()
+{
+	int ret;
+	timer_config_t reg;
+
+	ret = read_register(regmap->timer_config, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.te = 1;
+	reg.bits.tpause = 0;
+
+	ret = write_register(regmap->timer_config, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::timer_stop()
+{
+	int ret;
+	timer_config_t reg;
+
+	ret = read_register(regmap->timer_config, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.te = 0;
+	reg.bits.tpause = 1;
+
+	ret = write_register(regmap->timer_config, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::data_retention_mode_config(int state)
+{
+	int ret;
+	config_reg1_t cfg1;
+	config_reg2_t cfg2;
+
+	ret = read_register(regmap->config_reg1, (uint8_t *)&cfg1, 1);
+	if (ret) {
+		return ret;
+	}
+
+	ret = read_register(regmap->config_reg2, (uint8_t *)&cfg2, 1);
+	if (ret) {
+		return ret;
+	}
+
+	if (state) {
+		cfg1.bits.osconz = 1;
+		cfg2.bits.data_reten = 1;
+	} else {
+		cfg1.bits.osconz = 0;
+		cfg2.bits.data_reten = 0;
+	}
+
+	ret = write_register(regmap->config_reg1, (uint8_t *)&cfg1, 1);
+	if (ret) {
+		return ret;
+	}
+
+	ret = write_register(regmap->config_reg2, (uint8_t *)&cfg2, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::data_retention_mode_enter()
+{
+	return data_retention_mode_config(1);
+}
+
+int RtcBase::data_retention_mode_exit()
+{
+	return data_retention_mode_config(0);
+}
+
+int RtcBase::i2c_timeout_config(int enable)
+{
+	int ret;
+	config_reg2_t reg;
+
+	ret = read_register(regmap->config_reg2, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg.bits.i2c_timeout = (enable) ? 1 : 0;
+
+	ret = write_register(regmap->config_reg2, (uint8_t *)&reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::i2c_timeout_enable()
+{
+	return i2c_timeout_config(1);
+}
+
+int RtcBase::i2c_timeout_disable()
+{
+	return i2c_timeout_config(0);
+}
+
+int RtcBase::irq_enable(intr_id_t id)
+{
+	int ret;
+	uint8_t reg;
+
+	ret = read_register(regmap->int_en_reg, &reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg |= (1 << id);
+
+	ret = write_register(regmap->int_en_reg, &reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::irq_disable(intr_id_t id)
+{
+	int ret;
+	uint8_t reg;
+
+	ret = read_register(regmap->int_en_reg, &reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	reg &= ~(1 << id);
+
+	ret = write_register(regmap->int_en_reg, &reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::irq_disable_all()
+{
+	int ret;
+	uint8_t reg = 0;
+
+	ret = write_register(regmap->int_en_reg, &reg, 1);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+void RtcBase::set_intr_handler(intr_id_t id, interrupt_handler_function func, void *cb)
+{
+	interrupt_handler_list[id].func = func;
+	interrupt_handler_list[id].cb = cb;
+}
+
+void RtcBase::post_interrupt_work()
+{
+	int ret;
+	uint8_t reg, inten, mask;
+
+
+	while (true) {
+		Thread::signal_wait(POST_INTR_WORK_SIGNAL_ID);
+
+		ret = read_register(regmap->int_status_reg, &reg, 1);
+		if (ret) {
+			pr_err("Read interrupt status register failed!");
+		}
+
+		ret = read_register(regmap->int_en_reg, &inten, 1);
+		if (ret) {
+			pr_err("Read interrupt enable register failed!");
+		}
+
+		for (int i = 0; i < INTR_ID_END; i++) {
+			mask = (1 << i);
+			if ((reg & mask) && (inten & mask)) {
+				if (interrupt_handler_list[i].func != NULL) {
+					interrupt_handler_list[i].func(interrupt_handler_list[i].cb);
+				}
+			}
+		}
+	}
+}
+
+void RtcBase::interrupt_handler()
+{
+	post_intr_work_thread->signal_set(POST_INTR_WORK_SIGNAL_ID);
+}
+
+int RtcBase::sw_reset_assert()
+{
+	int ret;
+	config_reg1_t config_reg1;
+
+	ret = read_register(regmap->config_reg1, (uint8_t *) &config_reg1, 1);
+	if (ret < 0) {
+		pr_err("read_register failed!");
+		return ret;
+	}
+
+	config_reg1.bits.swrstn = 0;	/* Put device in reset state */
+
+	ret = write_register(regmap->config_reg1, (const uint8_t *) &config_reg1, 1);
+	if (ret < 0) {
+		pr_err("read_register failed!");
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::sw_reset_release()
+{
+	int ret;
+	config_reg1_t config_reg1;
+
+	ret = read_register(regmap->config_reg1, (uint8_t *) &config_reg1, 1);
+	if (ret < 0) {
+		pr_err("read_register failed!");
+		return ret;
+	}
+
+	config_reg1.bits.swrstn = 1;	/* Remove device from reset state */
+
+	ret = write_register(regmap->config_reg1, (const uint8_t *) &config_reg1, 1);
+	if (ret < 0) {
+		pr_err("read_register failed!");
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::rtc_start()
+{
+	int ret;
+	config_reg1_t config_reg1;
+
+	ret = read_register(regmap->config_reg1, (uint8_t *) &config_reg1, 1);
+	if (ret < 0) {
+		pr_err("read_register failed!");
+		return ret;
+	}
+
+	config_reg1.bits.osconz = 0;	/* Enable the oscillator */
+
+	ret = write_register(regmap->config_reg1, (const uint8_t *) &config_reg1, 1);
+	if (ret < 0) {
+		pr_err("read_register failed!");
+		return ret;
+	}
+
+	return 0;
+}
+
+int RtcBase::rtc_stop()
+{
+	int ret;
+	config_reg1_t config_reg1;
+
+	ret = read_register(regmap->config_reg1, (uint8_t *) &config_reg1, 1);
+	if (ret < 0) {
+		pr_err("read_register failed!");
+		return ret;
+	}
+
+	config_reg1.bits.osconz = 1;	/* Disable the oscillator */
+
+	ret = write_register(regmap->config_reg1, (const uint8_t *) &config_reg1, 1);
+	if (ret < 0) {
+		pr_err("read_register failed!");
+		return ret;
+	}
+
+	return 0;
+}

diff -r 000000000000 -r 1efa49a69ff8 RtcBase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RtcBase.h	Wed Apr 10 17:28:15 2019 +0300
@@ -0,0 +1,866 @@
+/*******************************************************************************
+ * Copyright (C) 2018 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
+ * ownership rights.
+ *******************************************************************************
+ */
+
+#ifndef RTCBASE_H_
+#define RTCBASE_H_
+
+#include "mbed.h"
+#include <ctime>
+
+
+/**
+ * @brief	RTC base driver class for Maxim Max3134x RTC series.
+ */
+class RtcBase
+{
+public:
+	/**
+	* @brief	Mode of the comparator
+	*/
+	typedef enum {
+		POW_MGMT_MODE_COMPARATOR,		/**< Comparator */
+		POW_MGMT_MODE_POWER_MANAGEMENT,	/**< Power Management / Trickle Charger Mode */
+	} power_mgmt_mode_t;
+
+	/**
+	* @brief	Analog comparator threshold voltage
+	*/
+	typedef enum {
+		COMP_THRESH_1V4,	/**< 1.4V */
+		COMP_THRESH_1V6,	/**< 1.6V */
+		COMP_THRESH_1V8,	/**< 1.8V */
+		COMP_THRESH_2V0,	/**< 2.0V */
+	} comp_thresh_t;
+
+	/**
+	* @brief	Supply voltage select.
+	*/
+	typedef enum {
+		POW_MGMT_SUPPLY_SEL_AUTO,	/**< Circuit decides whether to use VCC or VBACKUP */
+		POW_MGMT_SUPPLY_SEL_VCC,	/**< Use VCC as supply */
+		POW_MGMT_SUPPLY_SEL_AIN,	/**< Use AIN as supply */
+	} power_mgmt_supply_t;
+
+	/**
+	* @brief	Selection of charging path's resistor value
+	*/
+	typedef enum {
+		TRICKLE_CHARGER_3K5,	/**< 3500 Ohm */
+		TRICKLE_CHARGER_3K5_2,	/**< 3500 Ohm */
+		TRICKLE_CHARGER_7K,		/**< 7000 Ohm */
+		TRICKLE_CHARGER_13K,	/**< 13000 Ohm */
+	} trickle_charger_ohm_t;
+
+	/**
+	* @brief	Timer frequency selection
+	*/
+	typedef enum {
+		TIMER_FREQ_1024HZ,	/**< 1024Hz */
+		TIMER_FREQ_256HZ,	/**< 256Hz */
+		TIMER_FREQ_64HZ,	/**< 64Hz */
+		TIMER_FREQ_16HZ,	/**< 16Hz */
+	} timer_freq_t;
+
+	/**
+	* @brief	CLKIN frequency selection
+	*/
+	typedef enum {
+		CLKIN_FREQ_1HZ,		/**< 1Hz*/
+		CLKIN_FREQ_50HZ,	/**< 50Hz */
+		CLKIN_FREQ_60HZ,	/**< 60Hz */
+		CLKIN_FREQ_32HZ768,	/**< 32.768Hz */
+	} clkin_freq_t;
+
+	/**
+	* @brief	Square wave output frequency selection on CLKOUT pin
+	*/
+	typedef enum {
+		SQUARE_WAVE_OUT_FREQ_1HZ,		/**< 1Hz */
+		SQUARE_WAVE_OUT_FREQ_4096HZ,	/**< 4.098kHz */
+		SQUARE_WAVE_OUT_FREQ_8192HZ,	/**< 8.192kHz */
+		SQUARE_WAVE_OUT_FREQ_32768HZ,	/**< 32.768kHz */
+	} square_wave_out_freq_t;
+
+	/**
+	* @brief	Selection of interrupt ids
+	*/
+	typedef enum {
+		INTR_ID_ALARM1,		/**< Alarm1 flag */
+		INTR_ID_ALARM2,		/**< Alarm2 flag */
+		INTR_ID_TIMER,		/**< Timer interrupt flag */
+		INTR_ID_RESERVED,
+		INTR_ID_EXTERNAL,	/**< External interrupt flag for DIN1 */
+		INTR_ID_ANALOG,		/**< Analog Interrupt flag / Power fail flag  */
+		INTR_ID_OSF,		/**< Oscillator stop flag */
+		INTR_ID_LOS,		/**< Loss of signal */
+		INTR_ID_END,
+	} intr_id_t;
+
+
+	/**
+	* @brief	Alarm number selection
+	*/
+	typedef enum {
+		ALARM1,	/**< Alarm number 1 */
+		ALARM2,	/**< Alarm number 2 */
+	} alarm_no_t;
+
+	/**
+	* @brief	Alarm periodicity selection
+	*/
+	typedef enum {
+		ALARM_PERIOD_EVERYSECOND,	/**< Once per second */
+		ALARM_PERIOD_EVERYMINUTE,	/**< Second match / Once per minute */
+		ALARM_PERIOD_HOURLY,		/**< Second and Minute match */
+		ALARM_PERIOD_DAILY,			/**< Hour, Minute and Second match*/
+		ALARM_PERIOD_WEEKLY,		/**< Day and Time match */
+		ALARM_PERIOD_MONTHLY,		/**< Date and Time match */
+		ALARM_PERIOD_YEARLY,		/**< Month, Date and Time match (Max31342 only) */
+		ALARM_PERIOD_ONETIME,		/**< Year, Month, Date and Time match (Max31342 only) */
+	} alarm_period_t;
+
+	/**
+	* @brief	Selection of INTA/CLKIN pin function
+	*/
+	typedef enum {
+		CONFIGURE_PIN_AS_INTA,	/**< Configure pin as interrupt out */
+		CONFIGURE_PIN_AS_CLKIN,	/**< Configure pin as external clock in  */
+	} config_inta_clkin_pin_t;
+
+	/**
+	* @brief	Selection of INTB/CLKOUT pin function
+	*/
+	typedef enum {
+		CONFIGURE_PIN_AS_CLKOUT,	/**< Output is square wave */
+		CONFIGURE_PIN_AS_INTB,		/**< Output is interrupt */
+	} config_intb_clkout_pin_t;
+
+	/**
+	 * @brief	Selection of sync delay
+	 */
+	typedef enum {
+		SYNC_DLY_LESS_THAN_1SEC = 0,	/**<  Sync delay less than 1 second, recommended for external 1Hz clock */
+		SYNC_DLY_LESS_THAN_100MS,		/**<  Sync delay less than 100 msec, recommended for external 50Hz/60Hz/32KHz clock */
+		SYNC_DLY_LESS_THAN_20MS,		/**<  Sync delay less than 20 msec, recommended for internal clock */
+	} sync_delay_t;
+
+	typedef enum {
+		TTS_INTERNAL_1SEC = 0,
+		TTS_INTERNAL_2SEC,
+		TTS_INTERNAL_4SEC,
+		TTS_INTERNAL_16SEC,
+		TTS_INTERNAL_32SEC,
+		TTS_INTERNAL_64SEC,
+		TTS_INTERNAL_128SEC,
+	} ttsint_t;
+
+	/**
+	* @brief	Function pointer type to interrupt handler function
+	*/
+	typedef void (*interrupt_handler_function)(void *);
+
+	/**
+	* @brief		Read from a register.
+	*
+	* @param[in]	reg Address of a register to be read.
+	* @param[out]	value Pointer to save result value.
+	* @param[in]	len Size of result to be read.
+	*
+	* @returns		0 on success, negative error code on failure.
+	*/
+	int read_register(uint8_t reg, uint8_t *value, uint8_t len);
+
+	/**
+	* @brief		Write to a register.
+	*
+	* @param[in]	reg Address of a register to be written.
+	* @param[out]	value Pointer of value to be written to register.
+	* @param[in]	len Size of result to be written.
+	*
+	* @returns		0 on success, negative error code on failure.
+	*/
+	int write_register(uint8_t reg, const uint8_t *value, uint8_t len);
+
+	/**
+	* @brief		Read time info from RTC.
+	*
+	* @param[out]	rtc_time Time info from RTC.
+	*
+	* @returns		0 on success, negative error code on failure.
+	*/
+	int get_time(struct tm *rtc_ctime);
+
+	/**
+	* @brief		Set time info to RTC.
+	*
+	* @param[in]	rtc_time Time info to be written to RTC.
+	*
+	* @returns		0 on success, negative error code on failure.
+	*/
+	int set_time(const struct tm *rtc_ctime);
+
+	/**
+	* @brief		Non-volatile memory write
+	*
+	* @param[out]	buffer Pointer to the data to be written
+	* @param[in]	offset Offset of location in NVRAM
+	* @param[in]	length Number of bytes to write
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int nvram_write(const uint8_t *buffer, int offset, int length);
+
+	/**
+	* @brief		Non-volatile memory read
+	*
+	* @param[in]	buffer Buffer to read in to
+	* @param[in]	offset Offset of location in NVRAM
+	* @param[in]	length Number of bytes to read
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int nvram_read(uint8_t *buffer, int offset, int length);
+
+	/**
+	* @brief		NVRAM size of the part
+	*
+	* @return		0 if part does not have a NVRAM, otherwise returns size
+	*/
+	int nvram_size();
+
+	/**
+	* @brief		Set an alarm condition
+	*
+	* @param[in]	alarm_no Alarm number, ALARM1 or ALARM2
+	* @param[in]	alarm_time Pointer to alarm time to be set
+	* @param[in]	period Alarm periodicity, one of ALARM_PERIOD_*
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int set_alarm(alarm_no_t alarm_no, const struct tm *alarm_time, alarm_period_t period);
+
+	/**
+	* @brief		Get alarm data & time
+	*
+	* @param[in]	alarm_no Alarm number, ALARM1 or ALARM2
+	* @param[out]	alarm_time Pointer to alarm time to be filled in
+	* @param[out]	period Pointer to the period of alarm, one of ALARM_PERIOD_*
+	* @param[out]	is_enabled Pointer to the state of alarm
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int get_alarm(alarm_no_t alarm_no, struct tm *alarm_time, alarm_period_t *period, bool *is_enabled);
+
+	/**
+	* @brief		Select power management mode of operation
+	*
+	* @param[in]	mode Mode selection, one of COMP_MODE_*
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int set_power_mgmt_mode(power_mgmt_mode_t mode);
+
+	/**
+	* @brief		Set comparator threshold
+	*
+	* @param[in]	th Set Analog Comparator Threshold level, one of COMP_THRESH_*
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int comparator_threshold_level(comp_thresh_t th);
+
+	/**
+	* @brief		Select device power source
+	*
+	* @param[in]	supply Supply selection, one of POW_MGMT_SUPPLY_SEL_*
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int supply_select(power_mgmt_supply_t supply);
+
+	/**
+	* @brief		Configure trickle charger charging path, also enable it
+	*
+	* @param[in]	res Value of resister
+	* @param[in]	diode Enable diode
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int trickle_charger_enable(trickle_charger_ohm_t res, bool diode);
+
+	/**
+	* @brief		Disable trickle charger
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int trickle_charger_disable();
+
+	/**
+	* @brief		Select square wave output frequency selection
+	*
+	* @param[in]	freq Clock frequency, one of CLKOUT_FREQ_*
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int set_output_square_wave_frequency(square_wave_out_freq_t freq);
+
+	/**
+	* @brief		Select external clock input frequency
+	*
+	* @param[in]	freq Clock frequency, one of CLKIN_FREQ_*
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int set_clkin_frequency(clkin_freq_t freq);
+
+	/**
+	* @brief		Select direction of INTB/CLKOUT pin
+	*
+	* @param[in]	sel Pin function, one of CONFIGURE_PIN_B3_AS_INTB or CONFIGURE_PIN_B3_AS_CLKOUT
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int configure_intb_clkout_pin(config_intb_clkout_pin_t sel);
+
+	/**
+	* @brief		Select direction of INTA/CLKIN pin
+	*
+	* @param[in]	sel Pin function, one of CONFIGURE_PIN_B3_AS_INTA or CONFIGURE_PIN_B3_AS_CLKIN
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int configure_inta_clkin_pin(config_inta_clkin_pin_t sel);
+
+	/**
+	* @brief		Initialize timer
+	*
+	* @param[in]	value Timer initial value
+	* @param[in]	repeat Timer repeat mode enable/disable
+	* @param[in]	freq Timer frequency, one of TIMER_FREQ_*
+	* @param[in]	mode Timer mode, 0 or 1
+	*
+	* @return		0 on success, error code on failure
+	*
+	* @note			\p mode controls the countdown timer interrupt function
+	* along with \p repeat.
+	* 	Pulse interrupt when \p mode = 0, irrespective of \p repeat (true or false)
+	* 	Pulse interrupt when \p mode = 1 and \p repeat = true
+	* 	Level interrupt when \p mode = 1 and \p repeat = false
+	*/
+	int timer_init(uint8_t value, bool repeat, timer_freq_t freq);
+
+	/**
+	* @brief	Read timer value
+	*
+	* @return	0 on success, error code on failure
+	*/
+	uint8_t timer_get();
+
+	/**
+	* @brief	Enable timer
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int timer_start();
+
+	/**
+	* @brief	Pause timer, timer value is preserved
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int timer_pause();
+
+	/**
+	* @brief	Start timer from the paused value
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int timer_continue();
+
+	/**
+	* @brief	Disable timer
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int timer_stop();
+
+	/**
+	* @brief	Put device into data retention mode
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int data_retention_mode_enter();
+
+	/**
+	* @brief	Remove device from data retention mode
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int data_retention_mode_exit();
+
+	/**
+	* @brief	Enable I2C bus timeout mechanism
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int i2c_timeout_enable();
+
+	/**
+	* @brief	Disable I2C bus timeout mechanism
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int i2c_timeout_disable();
+
+	/**
+	* @brief		Enable interrupt
+	*
+	* @param[in]	id Interrupt id, one of INTR_ID_*
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int irq_enable(intr_id_t id);
+
+	/**
+	* @brief		Disable interrupt
+	*
+	* @param[in]	id Interrupt id, one of INTR_ID_*
+	*
+	* @return		0 on success, error code on failure
+	*/
+	int irq_disable(intr_id_t id);
+
+	/**
+	* @brief	Disable all interrupts
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int irq_disable_all();
+
+	/**
+	* @brief		Set interrupt handler for a specific interrupt id
+	*
+	* @param[in]	id Interrupt id, one of INTR_ID_*
+	* @param[in]	func Interrupt handler function
+	* @param[in]	cb Interrupt handler data
+	*/
+	void set_intr_handler(intr_id_t id, interrupt_handler_function func, void *cb);
+
+	/**
+	* @brief	Put device into reset state
+	*
+	* @return 	0 on success, error code on failure
+	*/
+	int sw_reset_assert();
+
+	/**
+	* @brief	Release device from state state
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int sw_reset_release();
+
+	/**
+	* @brief	Enable the RTC oscillator
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int rtc_start();
+
+	/**
+	* @brief	Disable the RTC oscillator
+	*
+	* @return	0 on success, error code on failure
+	*/
+	int rtc_stop();
+
+	/**
+	* @brief	Base class destructor.
+	*/
+	~RtcBase();
+
+protected:
+	typedef struct {
+		uint8_t config_reg1;
+		uint8_t config_reg2;
+		uint8_t int_ploarity_config;
+		uint8_t timer_config;
+		uint8_t int_en_reg;
+		uint8_t int_status_reg;
+		uint8_t seconds;
+		uint8_t minutes;
+		uint8_t hours;
+		uint8_t day;
+		uint8_t date;
+		uint8_t month;
+		uint8_t year;
+		uint8_t alm1_sec;
+		uint8_t alm1_min;
+		uint8_t alm1_hrs;
+		uint8_t alm1day_date;
+		uint8_t alm1_mon;
+		uint8_t alm1_year;
+		uint8_t alm2_min;
+		uint8_t alm2_hrs;
+		uint8_t alm2day_date;
+		uint8_t timer_count;
+		uint8_t timer_init;
+		uint8_t ram_start;
+		uint8_t ram_end;
+		uint8_t pwr_mgmt_reg;
+		uint8_t trickle_reg;
+		uint8_t clock_sync_delay;
+		uint8_t temp_msb;
+		uint8_t temp_lsb;
+		uint8_t ts_config;
+	} regmap_t;
+
+	typedef struct {
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char seconds : 4;	/**< RTC seconds value. */
+				unsigned char sec_10  : 3;	/**< RTC seconds in multiples of 10 */
+				unsigned char         : 1;
+			} bits;
+			struct {
+				unsigned char value   : 7;
+				unsigned char         : 1;
+			} bcd;
+		} seconds;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char minutes : 4;	/**< RTC minutes value */
+				unsigned char min_10  : 3;	/**< RTC minutes in multiples of 10 */
+				unsigned char         : 1;
+			} bits;
+			struct {
+				unsigned char value   : 7;
+				unsigned char         : 1;
+			} bcd;
+		} minutes;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char hour       : 4;	/**< RTC hours value */
+				unsigned char hr_10      : 2;	/**< RTC hours in multiples of 10 */
+				unsigned char            : 2;
+			} bits;
+			struct {
+				unsigned char value      : 6;
+				unsigned char            : 2;
+			} bcd;
+		} hours;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char day : 3;	/**< RTC days */
+				unsigned char     : 5;
+			} bits;
+			struct {
+				unsigned char value : 3;
+				unsigned char       : 5;
+			} bcd;
+		} day;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char date    : 4;	/**< RTC date */
+				unsigned char date_10 : 2;	/**< RTC date in multiples of 10 */
+				unsigned char         : 2;
+			} bits;
+			struct {
+				unsigned char value   : 6;
+				unsigned char         : 2;
+			} bcd;
+		} date;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char month    : 4;	/**< RTC months */
+				unsigned char month_10 : 1;	/**< RTC month in multiples of 10 */
+				unsigned char          : 2;
+				unsigned char century  : 1;	/**< Century bit */
+			} bits;
+			struct {
+				unsigned char value   : 5;
+				unsigned char         : 3;
+			} bcd;
+		} month;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char year    : 4;	/**< RTC years */
+				unsigned char year_10 : 4;	/**< RTC year multiples of 10 */
+			} bits;
+			struct {
+				unsigned char value   : 8;
+			} bcd;
+		} year;
+	} rtc_time_regs_t;
+
+	typedef struct {
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char seconds : 4;	/**< Alarm1 seconds */
+				unsigned char sec_10  : 3;	/**< Alarm1 seconds in multiples of 10 */
+				unsigned char a1m1    : 1;	/**< Alarm1 mask bit for minutes */
+			} bits;
+			struct {
+				unsigned char value   : 7;
+				unsigned char         : 1;
+			} bcd;
+		} sec;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char minutes : 4;	/**< Alarm1 minutes */
+				unsigned char min_10  : 3;	/**< Alarm1 minutes in multiples of 10 */
+				unsigned char a1m2    : 1;	/**< Alarm1 mask bit for minutes */
+			} bits;
+			struct {
+				unsigned char value   : 7;
+				unsigned char         : 1;
+			} bcd;
+		} min;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char hour       : 4;	/**< Alarm1 hours */
+				unsigned char hr_10      : 2;	/**< Alarm1 hours in multiples of 10 */
+				unsigned char            : 1;
+				unsigned char a1m3       : 1;	/**< Alarm1 mask bit for hours */
+			} bits;
+			struct {
+				unsigned char value      : 6;
+				unsigned char            : 2;
+			} bcd;
+		} hrs;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char day_date : 4;	/**< Alarm1 day/date */
+				unsigned char date_10  : 2;	/**< Alarm1 date in multiples of 10 */
+				unsigned char dy_dt    : 1;
+				unsigned char a1m4     : 1;	/**< Alarm1 mask bit for day/date */
+			} bits;
+			struct {
+				unsigned char value   : 3;
+				unsigned char         : 5;
+			} bcd_day;
+			struct {
+				unsigned char value   : 6;
+				unsigned char         : 2;
+			} bcd_date;
+		} day_date;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char month    : 4;	/**< Alarm1 months */
+				unsigned char month_10 : 1;	/**< Alarm1 months in multiples of 10 */
+				unsigned char          : 1;
+				unsigned char a1m6     : 1;	/**< Alarm1 mask bit for year */
+				unsigned char a1m5     : 1;	/**< Alarm1 mask bit for month */
+			} bits;
+			struct {
+				unsigned char value   : 5;
+				unsigned char         : 3;
+			} bcd;
+		} mon;
+
+		union {
+			unsigned char raw;
+			struct {
+				unsigned char year    : 4;	/* Alarm1 years */
+				unsigned char year_10 : 4;	/* Alarm1 multiples of 10 */
+			} bits;
+			struct {
+				unsigned char value   : 8;
+			} bcd;
+		} year;
+	} alarm_regs_t;
+
+	typedef union {
+		unsigned char raw;
+		struct {
+			unsigned char swrstn : 1;	/**< Software reset */
+			unsigned char rs     : 2;	/**< Square wave output frequency selection on CLKOUT pin */
+			unsigned char osconz : 1;	/**< Oscillator is on when set to 0. Oscillator is off when set to 1. */
+			unsigned char clksel : 2;	/**< Selects the CLKIN frequency */
+			unsigned char intcn  : 1;	/**< Interrupt control bit. Selects the direction of INTB/CLKOUT */
+			unsigned char eclk   : 1;	/**< Enable external clock input */
+		} bits;
+	} config_reg1_t;
+
+	typedef union {
+		unsigned char raw;
+		struct {
+			unsigned char             : 1;
+			unsigned char set_rtc     : 1;	/**< Set RTC */
+			unsigned char rd_rtc      : 1;	/**< Read RTC. */
+			unsigned char i2c_timeout : 1;	/**< I2C timeout Enable */
+			unsigned char bref        : 2;	/**< BREF sets the analog comparator threshold voltage. */
+			unsigned char data_reten  : 1;	/**< Sets the circuit into data retention mode. */
+			unsigned char             : 1;
+		} bits;
+	} config_reg2_t;
+
+	typedef union {
+		unsigned char raw;
+		struct {
+			unsigned char tfs    : 2;	/**< Timer frequency selection */
+			unsigned char trpt   : 1;	/**< Timer repeat mode. It controls the timer interrupt function along with TM. */
+			unsigned char        : 1;
+			unsigned char te     : 1;	/**< Timer enable */
+			unsigned char tpause : 1;	/**< Timer Pause.*/
+			unsigned char        : 2;
+		} bits;
+	} timer_config_t;
+
+	typedef union {
+		unsigned char raw;
+		struct {
+			unsigned char d_mode      : 2;	/**< Sets the mode of the comparator to one of the two following: comparator mode, and power management mode/trickle charger mode. */
+			unsigned char d_man_sel   : 1;	/**< Default low. When this bit is low, input control block decides which supply to use. When this bit is high, user can manually select whether to use V<sub>CC</sub> or VBACKUP as supply. */
+			unsigned char d_vback_sel : 1;	/**< : Default low. When this bit is low, and D_MANUAL_SEL is high, V<sub>CC</sub> is switched to supply. When this bit is high, and D_MANUAL_SEL is high, V<sub>BACKUP</sub> is switched to supply. */
+			unsigned char             : 4;
+		} bits;
+	} pwr_mgmt_reg_t;
+
+	typedef union {
+		unsigned char raw;
+		struct {
+			unsigned char sync_delay : 2; /* Sync delay to take for the internal countdown chain to reset after the rising edge of Set_RTC */
+			unsigned char            : 6;
+		} bits;
+	} clock_sync_reg_t;
+
+	typedef union {
+		unsigned char raw;
+		struct {
+			unsigned char automode    : 1;	/**< Automatic mode of temperature measurement. This mode is valid only when ONESHOTMODE=0. */
+			unsigned char oneshotmode : 1;	/**< One-shot user requested temp measurement in real-time. AUTOMODE must be 0 in one-shot measurement mode. */
+			unsigned char ttint       : 3;	/**< Set temp measurement interval to specified time for auto mode */
+			unsigned char             : 3;
+		} bits;
+	} ts_config_t;
+
+	static const uint8_t REG_NOT_AVAILABLE = 0xFF;
+
+	/**
+	* @brief	Base class constructor.
+	*
+	* @param[in]	regmap Pointer to device register mappings.
+	* @param[in]	i2c Pointer to I2C bus object for this device.
+	* @param[in]	inta_pin MCU's pin number that device's INTA pin connected
+	* @param[in]	intb_pin MCU's pin number that device's INTB pin connected
+	*/
+	RtcBase(const regmap_t *regmap, I2C *i2c, PinName inta_pin, PinName intb_pin);
+
+private:
+	/* PRIVATE TYPE DECLARATIONS */
+
+	/* PRIVATE VARIABLE DECLARATIONS */
+	I2C *i2c_handler;
+	InterruptIn *inta_pin;
+	InterruptIn *intb_pin;
+	const regmap_t *regmap;
+
+	/* PRIVATE CONSTANT VARIABLE DECLARATIONS */
+	static const uint8_t I2C_WRITE = 0;
+	static const uint8_t I2C_READ = 1;
+	static const uint8_t MAX3134X_I2C_ADDRESS = 0x69;
+	static const uint8_t MAX3134X_I2C_W = ((MAX3134X_I2C_ADDRESS << 1) | I2C_WRITE);
+	static const uint8_t MAX3134X_I2C_R = ((MAX3134X_I2C_ADDRESS << 1) | I2C_READ);
+
+	enum config_reg2_set_rtc {
+		CONFIG_REG2_SET_RTC_RTCRUN = 0,	/**< Setting this bit to zero doesn't allow to write into the RTC */
+		CONFIG_REG2_SET_RTC_RTCPRGM,	/**< This bit must be set to one, before writing into the RTC. i.e to set the initial time for the RTC this bit must be high. */
+	};
+
+	/* PRIVATE FUNCTION DECLARATIONS */
+	void interrupt_handler();
+
+	void (RtcBase::*funcptr)(void);
+
+	void post_interrupt_work();
+
+	Thread *post_intr_work_thread;
+
+	struct handler {
+		void (*func)(void *);
+		void *cb;
+	};
+
+	handler interrupt_handler_list[INTR_ID_END];
+
+	int tm_hour_to_rtc_hr12(int hours, bool *is_am);
+
+	int rtc_hr12_to_tm_hour(int hours, bool is_am);
+
+	int rtc_regs_to_time(struct tm *time, const rtc_time_regs_t *regs);
+
+	int time_to_rtc_regs(rtc_time_regs_t *regs, const struct tm *time);
+
+	int set_alarm_regs(alarm_no_t alarm_no, const alarm_regs_t *regs);
+
+	int get_alarm_regs(alarm_no_t alarm_no, alarm_regs_t *regs);
+
+	int time_to_alarm_regs(alarm_regs_t &regs, const struct tm *alarm_time);
+
+	int alarm_regs_to_time(struct tm *alarm_time, const alarm_regs_t *regs);
+
+	int set_alarm_period(alarm_no_t alarm_no, alarm_regs_t &regs, alarm_period_t period);
+
+	int set_rtc_time();
+
+	int data_retention_mode_config(int state);
+
+	int i2c_timeout_config(int enable);
+
+	int set_clock_sync_delay(sync_delay_t delay);
+};
+
+#endif /* RTCBASE_H_ */