/* * Copyright (c) 2015, Zolertia * 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 Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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 file is part of the Contiki operating system. * */ /* -------------------------------------------------------------------------- */ /** * \addtogroup remote * @{ * * \defgroup remote-rtcc RE-Mote Real Time Clock Calendar * * Driver for the RE-Mote on-board ultra-low power RTCC (Real Time Clock * Calendar) * @{ * * \file * Header file for the RE-Mote RF antenna switch */ /* -------------------------------------------------------------------------- */ #ifndef RTCC_H_ #define RTCC_H_ /* -------------------------------------------------------------------------- */ #include #include "i2c.h" /* -------------------------------------------------------------------------- */ /** * \name Callback function to handle the RTCC alarm interrupt and macro * @{ */ #define RTCC_REGISTER_INT1(ptr) rtcc_int1_callback = ptr; extern void (*rtcc_int1_callback)(uint8_t value); /** @} */ /* -------------------------------------------------------------------------- */ /** \name AB08XX Address registers * @{ */ /* -------------------------------------------------------------------------- */ /* Time/date registers (no offset) */ #define CENTHS_ADDR 0x00 #define SEC_ADDR 0x01 #define MIN_ADDR 0x02 #define HOUR_ADDR 0x03 #define DAY_ADDR 0x04 #define MONTHS_ADDR 0x05 #define YEAR_ADDR 0x06 #define WEEKDAYLS_ADDR 0x07 /* Alarm registers */ #define ALARM_MAP_OFFSET 0x08 #define HUNDREDTHS_ALARM_ADDR 0x00 #define SECONDS_ALARM_ADDR 0x01 #define MINUTES_ALARM_ADDR 0x02 #define HOURS_ALARM_ADDR 0x03 #define DAY_ALARMS_ADDR 0x04 #define MONTHS_ALARM_ADDR 0x05 #define WEEKDAYS_ALARM_ADDR 0x06 /* Configuration registers */ #define CONFIG_MAP_OFFSET 0x0F #define STATUS_ADDR 0x00 #define CTRL_1_ADDR 0x01 #define CTRL_2_ADDR 0x02 #define INT_MASK_ADDR 0x03 #define SQW_ADDR 0x04 #define CAL_XT_ADDR 0x05 #define CAL_RC_HI_ADDR 0x06 #define CAL_RC_LO_ADDR 0x07 #define INT_POL_ADDR 0x08 #define TIMER_CONTROL_ADDR 0x09 #define TIMER_COUNTDOWN_ADDR 0x0A #define TIMER_INITIAL_ADDR 0x0B #define WDT_ADDR 0x0C #define OSC_CONTROL_ADDR 0x0D #define OSC_STATUS_ADDR 0x0E #define CONF_KEY_ADDR 0x10 #define TRICKLE_ADDR 0x11 #define BREF_CTRL_ADDR 0x12 #define AF_CTRL_ADDR 0x17 #define BAT_MODE_IO_ADDR 0x18 #define ASTAT_ADDR 0x20 #define OCTRL_ADDR 0x21 #define EXT_ADDR 0x30 /* 256b. The upper 2 bits are taken from XADS field */ #define RAM_1_ADDR (CONFIG_MAP_OFFSET + 0x31) /* 256b. The upper 2 bits are taken from XADA field */ #define RAM_2_ADDR (CONFIG_MAP_OFFSET + 0x71) /** @} */ /* -------------------------------------------------------------------------- */ /** \name RTCC Bitmasks and shifts * @{ */ #define STATUS_CB 0x80 #define STATUS_BAT 0x40 #define STATUS_WDT 0x20 #define STATUS_BL 0x10 #define STATUS_TIM 0x08 #define STATUS_ALM 0x04 #define STATUS_EX2 0x02 #define STATUS_EX1 0x01 #define CTRL1_WRTC 0x01 #define CTRL1_ARST 0x04 #define CTRL1_OUT 0x10 #define CTRL1_OUTB 0x20 #define CTRL1_1224 0x40 #define CTRL1_STOP 0x80 /* Defines the nIRQ pin control */ #define CTRL2_OUT1S_NIRQ_OUT 0x00 #define CTRL2_OUT1S_NIRQ_SQW_OUT 0x01 #define CTRL2_OUT1S_NIRQ_SQW_NIRQ 0x02 #define CTRL2_OUT1S_NIRQ_NAIRQ_OUT 0x03 /* Defines the nIRQ2 pin control */ #define CTRL2_OUT2S_SQW_OUT 0x04 #define CTRL2_OUT2S_NAIRQ_OUTB 0x0C #define CTRL2_OUT2S_TIRQ_OUTB 0x10 #define CTRL2_OUT2S_NTIRQ_OUTB 0x14 #define CTRL2_OUT2S_OUTB 0x1C /* Interrupt Mask */ #define INTMASK_EX1E 0x01 #define INTMASK_EX2E 0x02 #define INTMASK_AIE 0x04 #define INTMASK_TIE 0x08 #define INTMASK_BLIE 0x10 #define INTMASK_IM_HIGH 0x20 #define INTMASK_IM_MED 0x40 #define INTMASK_IM_LOW 0x60 #define INTMASK_CEB 0x80 /* Timer countdown control */ #define COUNTDOWN_TIMER_TE 0x80 #define COUNTDOWN_TIMER_TM 0x40 #define COUNTDOWN_TIMER_TRPT 0x20 #define COUNTDOWN_TIMER_RPT_SECOND 0x1C #define COUNTDOWN_TIMER_RPT_MINUTE 0x18 #define COUNTDOWN_TIMER_RPT_HOUR 0x24 #define COUNTDOWN_TIMER_RPT_DAY 0x10 #define COUNTDOWN_TIMER_RPT_WEEK 0x0C #define COUNTDOWN_TIMER_RPT_MONTH 0x08 #define COUNTDOWN_TIMER_RPT_YEAR 0x04 #define COUNTDOWN_TIMER_RPT_SHIFT 0x02 #define COUNTDOWN_TIMER_TFS_ONE 0x01 #define COUNTDOWN_TIMER_TFS_TWO 0x02 #define COUNTDOWN_TIMER_TFS_THREE 0x03 /* Oscillator control */ #define OSCONTROL_ACIE 0x01 #define OSCONTROL_OFIE 0x02 #define OSCONTROL_FOS 0x08 #define OSCONTROL_AOS 0x10 #define OSCONTROL_ACAL_NO_CAL 0x00 #define OSCONTROL_ACAL_17_MIN 0x40 #define OSCONTROL_ACAL_9_MIN 0x60 #define OSCONTROL_OSEL 0x80 /** @} */ /* -------------------------------------------------------------------------- */ /** \name RTCC operational values * @{ */ /* I2C address (7-bits) */ #define AB08XX_ADDR 0x69 #define INT_BUFF_SIZE 20L #define TCS_DIODE_3K (TCS_ENABLE + 0x05) #define TCS_DIODE_6K (TCS_ENABLE + 0x06) #define TCS_DIODE_11K (TCS_ENABLE + 0x07) #define RTCC_TOGGLE_PM_BIT 0x20 #define RTCC_FIX_10THS_HUNDRETHS 0xF0 #define RTCC_FIX_100THS_HUNDRETHS 0xFF #define RTCC_TD_MAP_SIZE (WEEKDAYLS_ADDR + 1) #define RTCC_ALARM_MAP_SIZE (WEEKDAYS_ALARM_ADDR + 1) #define RTCC_CONFIG_MAP_SIZE (BREF_CTRL_ADDR + 1) /** @} */ /* -------------------------------------------------------------------------- */ /** \name RTCC error values * @{ */ #define AB08_ERROR (-1) #define AB08_SUCCESS 0x00 /** @} */ /* -------------------------------------------------------------------------- */ /** \name RTCC enumeration and options * @{ */ enum { RTCC_PRINT_DATE = 0, RTCC_PRINT_CONFIG, RTCC_PRINT_ALARM, RTCC_PRINT_ALARM_DEC, RTCC_PRINT_DATE_DEC, RTCC_PRINT_MAX, }; /* -------------------------------------------------------------------------- */ enum { RTCC_ALARM_OFF = 0, RTCC_ALARM_ON, RTCC_ALARM_MAX, }; /* -------------------------------------------------------------------------- */ enum { RTCC_CMD_UNLOCK = 0, RTCC_CMD_LOCK, RTCC_CMD_ENABLE, RTCC_CMD_STOP, RTCC_CMD_MAX, }; /* -------------------------------------------------------------------------- */ enum { RTCC_24H_MODE = 0, RTCC_12H_MODE_AM, RTCC_12H_MODE_PM, }; /* -------------------------------------------------------------------------- */ enum { RTCC_CENTURY_19XX_21XX = 1, RTCC_CENTURY_20XX, }; /* -------------------------------------------------------------------------- */ enum { RTCC_REPEAT_NONE = 0, RTCC_REPEAT_YEAR, RTCC_REPEAT_MONTH, RTCC_REPEAT_WEEK, RTCC_REPEAT_DAY, RTCC_REPEAT_HOUR, RTCC_REPEAT_MINUTE, RTCC_REPEAT_SECOND, RTCC_REPEAT_10THS, RTCC_REPEAT_100THS, }; /* -------------------------------------------------------------------------- */ enum { RTCC_CONFKEY_OSCONTROL = 0xA1, RTCC_CONFKEY_SWRESET = 0x3C, RTCC_CONFKEY_DEFREGS = 0x9D, }; /* -------------------------------------------------------------------------- */ enum { RTCC_CAL_XT_OSC = 0, RTCC_CAL_RC_OSC, }; /* -------------------------------------------------------------------------- */ enum { RTCC_AUTOCAL_DISABLE = 0, RTCC_AUTOCAL_ONCE, RTCC_AUTOCAL_17_MIN, RTCC_AUTOCAL_9_MIN, }; /* -------------------------------------------------------------------------- */ enum { RTCC_TRIGGER_INT1 = 0, RTCC_TRIGGER_INT2, RTCC_TRIGGER_BOTH, }; /** @} */ /* -------------------------------------------------------------------------- */ /** \name Readable Date and time memory map implementation * * This simplified structure allows the user to set date/alarms with a * reduced structure, without the bit-defined restrictions of the memory map, * using decimal values * * @{ */ typedef struct ab0805_struct_simple_td_reg { uint8_t miliseconds; uint8_t seconds; uint8_t minutes; uint8_t hours; uint8_t day; uint8_t months; uint8_t years; uint8_t weekdays; uint8_t mode; uint8_t century; } __attribute__ ((packed)) simple_td_map; /** @} */ /* -------------------------------------------------------------------------- */ /** * \name RTCC User functions * @{ */ /** * \brief Set the time and date * \param *data Time and date value (decimal format) * \return * \ AB08_SUCCESS date/time set * \ AB08_ERROR failed to set time/date (enable DEBUG for more info) */ int8_t rtcc_set_time_date(simple_td_map *data); /** * \brief Get the current time and date * \param *data buffer to store the results * \return * \ AB08_SUCCESS date/time set * \ AB08_ERROR failed to set time/date (enable DEBUG for more info) */ int8_t rtcc_get_time_date(simple_td_map *data); /** * \brief Print data from the RTCC module, either from the memory * map (values in BCD) or actual readable data (decimal). * \param value value to print, see RTCC_PRINT_* options available * \return * \ AB08_SUCCESS date/time set * \ AB08_ERROR failed to set time/date (enable DEBUG for more info) */ int8_t rtcc_print(uint8_t value); /** * \brief Configure the RTCC to match an alarm counter * \param data date and time values (in decimal) to match against * \param state set on/off the alarm interruption * \param repeat set the frequency of the alarm (minute, hourly, daily, etc.) * \param trigger interrupt trigger (INT1, INT2 or both) * \return * \ AB08_SUCCESS date/time set * \ AB08_ERROR failed to set time/date (enable DEBUG for more info) */ int8_t rtcc_set_alarm_time_date(simple_td_map *data, uint8_t state, uint8_t repeat, uint8_t trigger); /** * \brief Manually calibrate the RTCC * \param mode oscillator to calibrate * \param adjust value (in ppm) to adjust the oscillator * \return * \ AB08_SUCCESS date/time set * \ AB08_ERROR failed to set time/date (enable DEBUG for more info) */ int8_t rtcc_set_calibration(uint8_t mode, int32_t adjust); /** * \brief Set the autocallibration period * \param period autocalibration configuration * \return * \ AB08_SUCCESS date/time set * \ AB08_ERROR failed to set time/date (enable DEBUG for more info) */ int8_t rtcc_set_autocalibration(uint8_t period); /** * \brief Initialize the RTCC, configures the I2C bus, interrupts and registers * \return * \ AB08_SUCCESS date/time set * \ AB08_ERROR failed to set time/date (enable DEBUG for more info) */ int8_t rtcc_init(void); /** @} */ /* -------------------------------------------------------------------------- */ #endif /* ifndef RTCC_H_ */ /* -------------------------------------------------------------------------- */ /** * @} * @} */