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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 18 | jlesech | 1 | /**************************************************************************//** |
| 2 | * \brief DS1307 RTC library |
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| 3 | * \author Copyright (C) 2011 Julien Le Sech - www.idreammicro.com |
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| 4 | * \version 1.0 |
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| 5 | * \date 20090501 |
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| 6 | * |
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| 7 | * This file is part of the iDreamMicro library. |
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| 8 | * |
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| 9 | * This library is free software: you can redistribute it and/or modify it under |
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| 10 | * the terms of the GNU Lesser General Public License as published by the Free |
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| 11 | * Software Foundation, either version 3 of the License, or (at your option) any |
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| 12 | * later version. |
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| 13 | * |
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| 14 | * This library is distributed in the hope that it will be useful, but WITHOUT |
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| 15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 16 | * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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| 17 | * details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU Lesser General Public License |
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| 20 | * along with this program. If not, see http://www.gnu.org/licenses/ |
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| 21 | ******************************************************************************/ |
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| 22 | |||
| 23 | /**************************************************************************//** |
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| 24 | * \headerfile ds1307.h |
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| 25 | ******************************************************************************/ |
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| 26 | |||
| 27 | #ifndef H__IDREAMMICRO__DS1307__H |
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| 28 | #define H__IDREAMMICRO__DS1307__H |
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| 29 | |||
| 30 | #ifdef _cplusplus |
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| 31 | extern "C"{ |
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| 32 | #endif |
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| 33 | |||
| 34 | /****************************************************************************** |
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| 35 | * Header file inclusions. |
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| 36 | ******************************************************************************/ |
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| 37 | |||
| 38 | #include <useful/datetime.h> |
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| 39 | |||
| 62 | jlesech | 40 | #include <stdbool.h> |
| 41 | |||
| 18 | jlesech | 42 | /****************************************************************************** |
| 36 | jlesech | 43 | * Public macro definitions. |
| 44 | ******************************************************************************/ |
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| 45 | |||
| 46 | /**************************************************************************//** |
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| 47 | * \def DS1307__CLOCK_RATE |
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| 48 | * \brief DS1307 frequency in Hertz. |
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| 49 | ******************************************************************************/ |
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| 50 | #define DS1307__CLOCK_RATE 100000 |
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| 51 | |||
| 52 | /****************************************************************************** |
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| 18 | jlesech | 53 | * Public type definitions. |
| 54 | ******************************************************************************/ |
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| 55 | |||
| 56 | /**************************************************************************//** |
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| 62 | jlesech | 57 | * \enum ds1307__hour_modes. |
| 58 | * \brief RTC hour modes. |
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| 59 | * |
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| 18 | jlesech | 60 | * \typedef ds1307__hour_mode_t. |
| 62 | jlesech | 61 | * \brief RTC hour mode. |
| 18 | jlesech | 62 | ******************************************************************************/ |
| 63 | typedef enum ds1307__hour_modes |
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| 64 | { |
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| 62 | jlesech | 65 | DS1307__HOUR_MODE__24_HOUR = 0, /*!< 24-hour mode. */ |
| 18 | jlesech | 66 | DS1307__HOUR_MODE__12_HOUR = 1 /*!< 12-hour mode. */ |
| 67 | } ds1307__hour_mode_t; |
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| 68 | |||
| 62 | jlesech | 69 | /**************************************************************************//** |
| 70 | * \enum ds1307__sqw_out_levels |
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| 71 | * \brief |
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| 72 | * |
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| 73 | * \typedef ds1307__sqw_out_level_t |
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| 74 | * \brief |
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| 75 | ******************************************************************************/ |
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| 76 | typedef enum ds1307__sqw_out_levels |
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| 77 | { |
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| 78 | DS1307__SQW_LEVEL__LOW, /*!< Low level. */ |
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| 79 | DS1307__SQW_LEVEL__HIGH /*!< High level. */ |
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| 80 | } ds1307__sqw_out_level_t; |
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| 81 | |||
| 82 | /**************************************************************************//** |
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| 83 | * \enum ds1307__sqw_out_frequencies |
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| 84 | * \brief |
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| 85 | * |
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| 86 | * \typedef ds1307__sqw_out__frequency_t |
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| 87 | * \brief |
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| 88 | ******************************************************************************/ |
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| 89 | typedef enum ds1307__sqw_out_frequencies |
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| 90 | { |
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| 91 | DS1307__SQW_FREQUENCY__1_HZ, |
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| 92 | DS1307__SQW_FREQUENCY__4096_HZ, |
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| 93 | DS1307__SQW_FREQUENCY__8192_HZ, |
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| 94 | DS1307__SQW_FREQUENCY__32768_HZ |
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| 95 | } ds1307__sqw_out__frequency_t; |
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| 96 | |||
| 18 | jlesech | 97 | /****************************************************************************** |
| 98 | * Public function prototypes. |
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| 99 | ******************************************************************************/ |
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| 100 | |||
| 101 | /**************************************************************************//** |
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| 102 | * \fn void ds1307__initialize(void) |
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| 103 | * |
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| 104 | * \brief Initialize DS1307 RTC. |
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| 105 | ******************************************************************************/ |
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| 106 | void |
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| 107 | ds1307__initialize |
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| 108 | ( |
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| 109 | void |
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| 110 | ); |
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| 111 | |||
| 112 | /**************************************************************************//** |
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| 113 | * \fn void ds1307__get_time( |
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| 114 | * date_time__time_t* p_time, |
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| 115 | * ds1307__hour_mode_t* p_hour_mode) |
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| 116 | * |
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| 117 | * \brief Get RTC time. |
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| 118 | * |
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| 119 | * \param p_time a pointer to fill with RTC time |
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| 120 | * \param p_hour_mode a pointer to fill with RTC hour mode |
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| 121 | ******************************************************************************/ |
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| 122 | void |
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| 123 | ds1307__get_time |
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| 124 | ( |
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| 125 | datetime__time_t* p_time, |
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| 126 | ds1307__hour_mode_t* p_hour_mode |
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| 127 | ); |
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| 128 | |||
| 129 | /**************************************************************************//** |
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| 130 | * \fn void ds1307__set_time( |
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| 131 | * date_time__time_t* p_time, |
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| 132 | * ds1307__hour_mode_t hour_mode) |
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| 133 | * |
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| 134 | * \brief Set RTC time. |
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| 135 | * |
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| 136 | * \param p_time time to set. p_time->meridiem isn't used in 12-hour mode. |
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| 137 | * \param hour_mode hour mode |
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| 138 | ******************************************************************************/ |
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| 139 | void |
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| 140 | ds1307__set_time |
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| 141 | ( |
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| 142 | datetime__time_t* p_time, |
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| 143 | ds1307__hour_mode_t hour_mode |
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| 144 | ); |
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| 145 | |||
| 146 | /**************************************************************************//** |
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| 147 | * \fn void ds1307__get_date(date_time__date_t* p_date) |
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| 148 | * |
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| 149 | * \brief Get RTC date. |
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| 150 | * |
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| 151 | * \param p_date a pointer to fill with RTC date |
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| 152 | ******************************************************************************/ |
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| 153 | void |
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| 154 | ds1307__get_date |
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| 155 | ( |
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| 156 | datetime__date_t* p_date |
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| 157 | ); |
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| 158 | |||
| 159 | /**************************************************************************//** |
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| 160 | * \fn void ds1307__set_date(date_time__date_t* p_date) |
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| 161 | * |
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| 162 | * \brief Set RTC date. |
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| 163 | * |
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| 164 | * \param p_date date to set |
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| 165 | ******************************************************************************/ |
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| 166 | void |
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| 167 | ds1307__set_date |
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| 168 | ( |
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| 169 | datetime__date_t* p_date |
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| 170 | ); |
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| 171 | |||
| 62 | jlesech | 172 | /**************************************************************************//** |
| 173 | * \fn void ds1307__set_square_wave_output_level(ds1307__sqw_out_level_t level) |
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| 174 | * |
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| 175 | * \brief Set square wave output pin level. |
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| 176 | * |
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| 177 | * \param level Level to set. |
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| 178 | ******************************************************************************/ |
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| 179 | void |
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| 180 | ds1307__set_square_wave_output_level |
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| 181 | ( |
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| 182 | ds1307__sqw_out_level_t level |
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| 183 | ); |
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| 184 | |||
| 185 | /**************************************************************************//** |
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| 186 | * \fn void ds1307__set_square_wave_output_signal( |
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| 187 | * ds1307__sqw_out__frequency_t frequency, |
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| 188 | * bool enable) |
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| 189 | * |
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| 190 | * \brief Set Square-Wave output signal. |
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| 191 | * |
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| 192 | * \param frequency Frequency. |
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| 193 | * \param enable Status. |
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| 194 | ******************************************************************************/ |
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| 195 | void |
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| 196 | ds1307__set_square_wave_output_signal |
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| 197 | ( |
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| 198 | ds1307__sqw_out__frequency_t frequency, |
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| 199 | bool enable |
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| 200 | ); |
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| 201 | |||
| 63 | jlesech | 202 | /**************************************************************************//** |
| 203 | * \fn uint8_t ds1307__read_byte_in_ram(uint8_t address) |
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| 204 | * |
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| 205 | * \brief Read a byte in DS1307 RAM. |
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| 206 | * |
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| 207 | * \param address Address to read. |
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| 208 | * |
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| 209 | * \return Read byte. |
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| 210 | ******************************************************************************/ |
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| 211 | uint8_t |
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| 212 | ds1307__read_byte_in_ram |
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| 213 | ( |
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| 214 | uint8_t address |
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| 215 | ); |
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| 216 | |||
| 217 | /**************************************************************************//** |
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| 218 | * \fn void ds1307__read_bytes_in_ram( |
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| 219 | * uint8_t address, |
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| 220 | * uint8_t length, |
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| 221 | * uint8_t* p_data) |
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| 222 | * |
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| 223 | * \brief Read bytes in DS1307 RAM. |
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| 224 | * |
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| 225 | * \param address Address to read. |
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| 226 | * \param length Number of bytes to read. |
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| 227 | * \param[in] p_data Buffer to fill. |
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| 228 | ******************************************************************************/ |
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| 229 | void |
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| 230 | ds1307__read_bytes_in_ram |
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| 231 | ( |
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| 232 | uint8_t address, |
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| 233 | uint8_t length, |
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| 234 | uint8_t* p_data |
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| 235 | ); |
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| 236 | |||
| 237 | /**************************************************************************//** |
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| 238 | * \fn void ds1307__write_byte_in_ram(uint8_t address, uint8_t data) |
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| 239 | * |
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| 240 | * \brief Write a byte in DS1307 RAM. |
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| 241 | * |
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| 242 | * \param address Address to write. |
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| 243 | * \param data Byte to write. |
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| 244 | ******************************************************************************/ |
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| 245 | void |
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| 246 | ds1307__write_byte_in_ram |
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| 247 | ( |
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| 248 | uint8_t address, |
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| 249 | uint8_t data |
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| 250 | ); |
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| 251 | |||
| 252 | /**************************************************************************//** |
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| 253 | * \fn void ds1307__write_bytes_in_ram(uint8_t address, uint8_t data) |
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| 254 | * |
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| 255 | * \brief Write a byte in DS1307 RAM. |
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| 256 | * |
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| 257 | * \param address Address to write. |
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| 258 | * \param length Number of bytes to write. |
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| 259 | * \param[in] p_data Bytes to write. |
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| 260 | ******************************************************************************/ |
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| 261 | void |
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| 262 | ds1307__write_bytes_in_ram |
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| 263 | ( |
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| 264 | uint8_t address, |
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| 265 | uint8_t length, |
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| 266 | uint8_t* p_data |
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| 267 | ); |
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| 268 | |||
| 18 | jlesech | 269 | #ifdef _cplusplus |
| 270 | } |
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| 271 | #endif |
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| 272 | |||
| 273 | #endif /* H__IDREAMMICRO__DS1307__H */ |