Fork of Ds3231 library that replaces inheritance of I2C class with a private member var of type I2C *
Dependents: ard2pmod DS3231_Alarm_Demo MAXREFDES130_131_Demo MAXREFDES130_Demo
Fork of ds3231 by
ds3231.cpp@16:e1c0f63595d9, 2016-08-21 (annotated)
- Committer:
- j3
- Date:
- Sun Aug 21 01:39:50 2016 +0000
- Revision:
- 16:e1c0f63595d9
- Parent:
- 15:16ca4c747252
fixed reading of alarm 2 hour parameter
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
j3 | 0:b00c4699ae6f | 1 | /******************************************************************//** |
j3 | 12:b9f13fd8c1b6 | 2 | * Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved. |
j3 | 0:b00c4699ae6f | 3 | * |
j3 | 0:b00c4699ae6f | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
j3 | 0:b00c4699ae6f | 5 | * copy of this software and associated documentation files (the "Software"), |
j3 | 0:b00c4699ae6f | 6 | * to deal in the Software without restriction, including without limitation |
j3 | 0:b00c4699ae6f | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
j3 | 0:b00c4699ae6f | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
j3 | 0:b00c4699ae6f | 9 | * Software is furnished to do so, subject to the following conditions: |
j3 | 0:b00c4699ae6f | 10 | * |
j3 | 0:b00c4699ae6f | 11 | * The above copyright notice and this permission notice shall be included |
j3 | 0:b00c4699ae6f | 12 | * in all copies or substantial portions of the Software. |
j3 | 0:b00c4699ae6f | 13 | * |
j3 | 0:b00c4699ae6f | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
j3 | 0:b00c4699ae6f | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
j3 | 0:b00c4699ae6f | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
j3 | 0:b00c4699ae6f | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
j3 | 0:b00c4699ae6f | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
j3 | 0:b00c4699ae6f | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
j3 | 0:b00c4699ae6f | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
j3 | 0:b00c4699ae6f | 21 | * |
j3 | 0:b00c4699ae6f | 22 | * Except as contained in this notice, the name of Maxim Integrated |
j3 | 0:b00c4699ae6f | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
j3 | 0:b00c4699ae6f | 24 | * Products, Inc. Branding Policy. |
j3 | 0:b00c4699ae6f | 25 | * |
j3 | 0:b00c4699ae6f | 26 | * The mere transfer of this software does not imply any licenses |
j3 | 0:b00c4699ae6f | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
j3 | 0:b00c4699ae6f | 28 | * trademarks, maskwork rights, or any other form of intellectual |
j3 | 0:b00c4699ae6f | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
j3 | 0:b00c4699ae6f | 30 | * ownership rights. |
j3 | 0:b00c4699ae6f | 31 | **********************************************************************/ |
j3 | 0:b00c4699ae6f | 32 | |
j3 | 0:b00c4699ae6f | 33 | |
j3 | 0:b00c4699ae6f | 34 | #include "ds3231.h" |
j3 | 0:b00c4699ae6f | 35 | |
j3 | 0:b00c4699ae6f | 36 | |
j3 | 15:16ca4c747252 | 37 | #define DS3231_I2C_ADRS 0x68 |
j3 | 15:16ca4c747252 | 38 | #define I2C_WRITE 0 |
j3 | 15:16ca4c747252 | 39 | #define I2C_READ 1 |
j3 | 15:16ca4c747252 | 40 | |
j3 | 15:16ca4c747252 | 41 | #define AM_PM (1 << 5) |
j3 | 15:16ca4c747252 | 42 | #define MODE (1 << 6) |
j3 | 15:16ca4c747252 | 43 | #define DY_DT (1 << 6) |
j3 | 15:16ca4c747252 | 44 | #define ALRM_MASK (1 << 7) |
j3 | 15:16ca4c747252 | 45 | |
j3 | 15:16ca4c747252 | 46 | //control register bit masks |
j3 | 15:16ca4c747252 | 47 | #define A1IE (1 << 0) |
j3 | 15:16ca4c747252 | 48 | #define A2IE (1 << 1) |
j3 | 15:16ca4c747252 | 49 | #define INTCN (1 << 2) |
j3 | 15:16ca4c747252 | 50 | #define RS1 (1 << 3) |
j3 | 15:16ca4c747252 | 51 | #define RS2 (1 << 4) |
j3 | 15:16ca4c747252 | 52 | #define CONV (1 << 5) |
j3 | 15:16ca4c747252 | 53 | #define BBSQW (1 << 6) |
j3 | 15:16ca4c747252 | 54 | #define EOSC (1 << 7) |
j3 | 15:16ca4c747252 | 55 | |
j3 | 15:16ca4c747252 | 56 | //status register bit masks |
j3 | 15:16ca4c747252 | 57 | #define A1F (1 << 0) |
j3 | 15:16ca4c747252 | 58 | #define A2F (1 << 1) |
j3 | 15:16ca4c747252 | 59 | #define BSY (1 << 2) |
j3 | 15:16ca4c747252 | 60 | #define EN32KHZ (1 << 3) |
j3 | 15:16ca4c747252 | 61 | #define OSF (1 << 7) |
j3 | 15:16ca4c747252 | 62 | |
j3 | 15:16ca4c747252 | 63 | |
j3 | 15:16ca4c747252 | 64 | //********************************************************************* |
j3 | 15:16ca4c747252 | 65 | Ds3231::Ds3231(PinName sda, PinName scl) |
j3 | 15:16ca4c747252 | 66 | :_p_i2c(new I2C(sda, scl)), _i2c_owner(true), _w_adrs((DS3231_I2C_ADRS << 1) | I2C_WRITE), |
j3 | 15:16ca4c747252 | 67 | _r_adrs((DS3231_I2C_ADRS << 1) | I2C_READ) |
j3 | 0:b00c4699ae6f | 68 | { |
j3 | 0:b00c4699ae6f | 69 | } |
j3 | 0:b00c4699ae6f | 70 | |
j3 | 0:b00c4699ae6f | 71 | |
j3 | 15:16ca4c747252 | 72 | //********************************************************************* |
j3 | 15:16ca4c747252 | 73 | Ds3231::Ds3231(I2C & i2c_bus) |
j3 | 15:16ca4c747252 | 74 | :_p_i2c(&i2c_bus), _i2c_owner(false), _w_adrs((DS3231_I2C_ADRS << 1) | I2C_WRITE), |
j3 | 15:16ca4c747252 | 75 | _r_adrs((DS3231_I2C_ADRS << 1) | I2C_READ) |
j3 | 15:16ca4c747252 | 76 | { |
j3 | 15:16ca4c747252 | 77 | } |
j3 | 15:16ca4c747252 | 78 | |
j3 | 15:16ca4c747252 | 79 | |
j3 | 15:16ca4c747252 | 80 | //********************************************************************* |
j3 | 15:16ca4c747252 | 81 | Ds3231::~Ds3231() |
j3 | 15:16ca4c747252 | 82 | { |
j3 | 15:16ca4c747252 | 83 | if(_i2c_owner) |
j3 | 15:16ca4c747252 | 84 | { |
j3 | 15:16ca4c747252 | 85 | delete _p_i2c; |
j3 | 15:16ca4c747252 | 86 | } |
j3 | 15:16ca4c747252 | 87 | } |
j3 | 15:16ca4c747252 | 88 | |
j3 | 15:16ca4c747252 | 89 | |
j3 | 15:16ca4c747252 | 90 | //********************************************************************* |
j3 | 0:b00c4699ae6f | 91 | uint16_t Ds3231::set_time(ds3231_time_t time) |
j3 | 0:b00c4699ae6f | 92 | { |
j3 | 2:4e6e761c60f2 | 93 | uint8_t data[] = {0,0,0,0}; |
j3 | 2:4e6e761c60f2 | 94 | uint8_t data_length = 0; |
j3 | 2:4e6e761c60f2 | 95 | uint8_t max_hour = 24; |
j3 | 0:b00c4699ae6f | 96 | |
j3 | 2:4e6e761c60f2 | 97 | data[data_length++] = SECONDS; |
j3 | 2:4e6e761c60f2 | 98 | data[data_length++] = uchar_2_bcd(time.seconds); |
j3 | 2:4e6e761c60f2 | 99 | data[data_length++] = uchar_2_bcd(time.minutes); |
j3 | 2:4e6e761c60f2 | 100 | |
j3 | 2:4e6e761c60f2 | 101 | //format Hours register |
j3 | 2:4e6e761c60f2 | 102 | data[data_length] = uchar_2_bcd(time.hours); |
j3 | 2:4e6e761c60f2 | 103 | if(time.mode) |
j3 | 2:4e6e761c60f2 | 104 | { |
j3 | 2:4e6e761c60f2 | 105 | max_hour = max_hour/2; |
j3 | 2:4e6e761c60f2 | 106 | |
j3 | 2:4e6e761c60f2 | 107 | data[data_length] |= MODE; |
j3 | 2:4e6e761c60f2 | 108 | if(time.am_pm) |
j3 | 2:4e6e761c60f2 | 109 | { |
j3 | 2:4e6e761c60f2 | 110 | data[data_length] |= AM_PM; |
j3 | 2:4e6e761c60f2 | 111 | } |
j3 | 2:4e6e761c60f2 | 112 | |
j3 | 2:4e6e761c60f2 | 113 | } |
j3 | 2:4e6e761c60f2 | 114 | else |
j3 | 2:4e6e761c60f2 | 115 | { |
j3 | 2:4e6e761c60f2 | 116 | max_hour = max_hour - 1; |
j3 | 2:4e6e761c60f2 | 117 | } |
j3 | 2:4e6e761c60f2 | 118 | data_length++; |
j3 | 2:4e6e761c60f2 | 119 | |
j3 | 7:0551d7e7c13f | 120 | //Make sure data is within range. |
j3 | 2:4e6e761c60f2 | 121 | if((time.seconds > 59) || (time.minutes > 59) || (time.hours > max_hour)) |
j3 | 2:4e6e761c60f2 | 122 | { |
j3 | 2:4e6e761c60f2 | 123 | return(1); |
j3 | 2:4e6e761c60f2 | 124 | } |
j3 | 2:4e6e761c60f2 | 125 | else |
j3 | 2:4e6e761c60f2 | 126 | { |
j3 | 15:16ca4c747252 | 127 | return(_p_i2c->write(_w_adrs,(const char*) data, data_length)); |
j3 | 2:4e6e761c60f2 | 128 | } |
j3 | 0:b00c4699ae6f | 129 | } |
j3 | 0:b00c4699ae6f | 130 | |
j3 | 0:b00c4699ae6f | 131 | |
j3 | 15:16ca4c747252 | 132 | //********************************************************************* |
j3 | 0:b00c4699ae6f | 133 | uint16_t Ds3231::set_calendar(ds3231_calendar_t calendar) |
j3 | 0:b00c4699ae6f | 134 | { |
j3 | 2:4e6e761c60f2 | 135 | uint8_t data[] = {0,0,0,0,0}; |
j3 | 2:4e6e761c60f2 | 136 | uint8_t data_length = 0; |
j3 | 2:4e6e761c60f2 | 137 | |
j3 | 2:4e6e761c60f2 | 138 | data[data_length++] = DAY; |
j3 | 2:4e6e761c60f2 | 139 | data[data_length++] = uchar_2_bcd(calendar.day); |
j3 | 2:4e6e761c60f2 | 140 | data[data_length++] = uchar_2_bcd(calendar.date); |
j3 | 2:4e6e761c60f2 | 141 | data[data_length++] = uchar_2_bcd(calendar.month); |
j3 | 2:4e6e761c60f2 | 142 | data[data_length++] = uchar_2_bcd(calendar.year); |
j3 | 0:b00c4699ae6f | 143 | |
j3 | 7:0551d7e7c13f | 144 | //Make sure data is within range. |
j3 | 7:0551d7e7c13f | 145 | if(((calendar.day < 1) || (calendar.day > 7)) || |
j3 | 7:0551d7e7c13f | 146 | ((calendar.date < 1) || (calendar.date > 31)) || |
j3 | 7:0551d7e7c13f | 147 | ((calendar.month < 1) || (calendar.month > 12)) || |
j3 | 7:0551d7e7c13f | 148 | (calendar.year > 99)) |
j3 | 7:0551d7e7c13f | 149 | { |
j3 | 7:0551d7e7c13f | 150 | return(1); |
j3 | 7:0551d7e7c13f | 151 | } |
j3 | 7:0551d7e7c13f | 152 | else |
j3 | 7:0551d7e7c13f | 153 | { |
j3 | 15:16ca4c747252 | 154 | return(_p_i2c->write(_w_adrs,(const char*) data, data_length)); |
j3 | 7:0551d7e7c13f | 155 | } |
j3 | 0:b00c4699ae6f | 156 | } |
j3 | 0:b00c4699ae6f | 157 | |
j3 | 0:b00c4699ae6f | 158 | |
j3 | 15:16ca4c747252 | 159 | //********************************************************************* |
j3 | 0:b00c4699ae6f | 160 | uint16_t Ds3231::set_alarm(ds3231_alrm_t alarm, bool one_r_two) |
j3 | 0:b00c4699ae6f | 161 | { |
j3 | 2:4e6e761c60f2 | 162 | uint8_t data[] = {0,0,0,0,0}; |
j3 | 2:4e6e761c60f2 | 163 | uint8_t data_length = 0; |
j3 | 2:4e6e761c60f2 | 164 | uint8_t max_hour = 24; |
j3 | 2:4e6e761c60f2 | 165 | uint8_t mask_var = 0; |
j3 | 2:4e6e761c60f2 | 166 | |
j3 | 2:4e6e761c60f2 | 167 | //setting alarm 1 or 2? |
j3 | 2:4e6e761c60f2 | 168 | if(one_r_two) |
j3 | 2:4e6e761c60f2 | 169 | { |
j3 | 2:4e6e761c60f2 | 170 | data[data_length++] = ALRM1_SECONDS; |
j3 | 2:4e6e761c60f2 | 171 | |
j3 | 2:4e6e761c60f2 | 172 | //config seconds register |
j3 | 2:4e6e761c60f2 | 173 | if(alarm.am1) |
j3 | 2:4e6e761c60f2 | 174 | { |
j3 | 2:4e6e761c60f2 | 175 | mask_var |= ALRM_MASK; |
j3 | 2:4e6e761c60f2 | 176 | } |
j3 | 2:4e6e761c60f2 | 177 | data[data_length++] = (mask_var | uchar_2_bcd(alarm.seconds)); |
j3 | 2:4e6e761c60f2 | 178 | mask_var = 0; |
j3 | 2:4e6e761c60f2 | 179 | |
j3 | 2:4e6e761c60f2 | 180 | //config minutes register |
j3 | 2:4e6e761c60f2 | 181 | if(alarm.am2) |
j3 | 2:4e6e761c60f2 | 182 | { |
j3 | 2:4e6e761c60f2 | 183 | mask_var |= ALRM_MASK; |
j3 | 2:4e6e761c60f2 | 184 | } |
j3 | 2:4e6e761c60f2 | 185 | data[data_length++] = (mask_var | uchar_2_bcd(alarm.minutes)); |
j3 | 2:4e6e761c60f2 | 186 | mask_var = 0; |
j3 | 2:4e6e761c60f2 | 187 | |
j3 | 2:4e6e761c60f2 | 188 | //config hours register |
j3 | 2:4e6e761c60f2 | 189 | if(alarm.am3) |
j3 | 2:4e6e761c60f2 | 190 | { |
j3 | 2:4e6e761c60f2 | 191 | mask_var |= ALRM_MASK; |
j3 | 2:4e6e761c60f2 | 192 | } |
j3 | 2:4e6e761c60f2 | 193 | if(alarm.mode) |
j3 | 2:4e6e761c60f2 | 194 | { |
j3 | 2:4e6e761c60f2 | 195 | max_hour = max_hour/2; |
j3 | 2:4e6e761c60f2 | 196 | mask_var |= MODE; |
j3 | 2:4e6e761c60f2 | 197 | if(alarm.am_pm) |
j3 | 2:4e6e761c60f2 | 198 | { |
j3 | 2:4e6e761c60f2 | 199 | mask_var |= AM_PM; |
j3 | 2:4e6e761c60f2 | 200 | } |
j3 | 2:4e6e761c60f2 | 201 | } |
j3 | 2:4e6e761c60f2 | 202 | else |
j3 | 2:4e6e761c60f2 | 203 | { |
j3 | 2:4e6e761c60f2 | 204 | max_hour = max_hour - 1; |
j3 | 2:4e6e761c60f2 | 205 | } |
j3 | 2:4e6e761c60f2 | 206 | data[data_length++] = (mask_var | uchar_2_bcd(alarm.hours)); |
j3 | 2:4e6e761c60f2 | 207 | mask_var = 0; |
j3 | 2:4e6e761c60f2 | 208 | |
j3 | 2:4e6e761c60f2 | 209 | //config day/date register |
j3 | 2:4e6e761c60f2 | 210 | if(alarm.am4) |
j3 | 2:4e6e761c60f2 | 211 | { |
j3 | 2:4e6e761c60f2 | 212 | mask_var |= ALRM_MASK; |
j3 | 2:4e6e761c60f2 | 213 | } |
j3 | 2:4e6e761c60f2 | 214 | if(alarm.dy_dt) |
j3 | 2:4e6e761c60f2 | 215 | { |
j3 | 2:4e6e761c60f2 | 216 | mask_var |= DY_DT; |
j3 | 2:4e6e761c60f2 | 217 | data[data_length++] = (mask_var | uchar_2_bcd(alarm.day)); |
j3 | 2:4e6e761c60f2 | 218 | } |
j3 | 2:4e6e761c60f2 | 219 | else |
j3 | 2:4e6e761c60f2 | 220 | { |
j3 | 2:4e6e761c60f2 | 221 | data[data_length++] = (mask_var | uchar_2_bcd(alarm.date)); |
j3 | 2:4e6e761c60f2 | 222 | } |
j3 | 2:4e6e761c60f2 | 223 | mask_var = 0; |
j3 | 2:4e6e761c60f2 | 224 | } |
j3 | 2:4e6e761c60f2 | 225 | else |
j3 | 2:4e6e761c60f2 | 226 | { |
j3 | 2:4e6e761c60f2 | 227 | data[data_length++] = ALRM2_MINUTES; |
j3 | 2:4e6e761c60f2 | 228 | |
j3 | 2:4e6e761c60f2 | 229 | //config minutes register |
j3 | 2:4e6e761c60f2 | 230 | if(alarm.am2) |
j3 | 2:4e6e761c60f2 | 231 | { |
j3 | 2:4e6e761c60f2 | 232 | mask_var |= ALRM_MASK; |
j3 | 2:4e6e761c60f2 | 233 | } |
j3 | 2:4e6e761c60f2 | 234 | data[data_length++] = (mask_var | uchar_2_bcd(alarm.minutes)); |
j3 | 2:4e6e761c60f2 | 235 | mask_var = 0; |
j3 | 2:4e6e761c60f2 | 236 | |
j3 | 2:4e6e761c60f2 | 237 | //config hours register |
j3 | 2:4e6e761c60f2 | 238 | if(alarm.am3) |
j3 | 2:4e6e761c60f2 | 239 | { |
j3 | 2:4e6e761c60f2 | 240 | mask_var |= ALRM_MASK; |
j3 | 2:4e6e761c60f2 | 241 | } |
j3 | 2:4e6e761c60f2 | 242 | if(alarm.mode) |
j3 | 2:4e6e761c60f2 | 243 | { |
j3 | 2:4e6e761c60f2 | 244 | max_hour = max_hour/2; |
j3 | 2:4e6e761c60f2 | 245 | mask_var |= MODE; |
j3 | 2:4e6e761c60f2 | 246 | if(alarm.am_pm) |
j3 | 2:4e6e761c60f2 | 247 | { |
j3 | 2:4e6e761c60f2 | 248 | mask_var |= AM_PM; |
j3 | 2:4e6e761c60f2 | 249 | } |
j3 | 2:4e6e761c60f2 | 250 | } |
j3 | 2:4e6e761c60f2 | 251 | else |
j3 | 2:4e6e761c60f2 | 252 | { |
j3 | 2:4e6e761c60f2 | 253 | max_hour = max_hour - 1; |
j3 | 2:4e6e761c60f2 | 254 | } |
j3 | 2:4e6e761c60f2 | 255 | data[data_length++] = (mask_var | uchar_2_bcd(alarm.hours)); |
j3 | 2:4e6e761c60f2 | 256 | mask_var = 0; |
j3 | 2:4e6e761c60f2 | 257 | |
j3 | 2:4e6e761c60f2 | 258 | //config day/date register |
j3 | 2:4e6e761c60f2 | 259 | if(alarm.am4) |
j3 | 2:4e6e761c60f2 | 260 | { |
j3 | 2:4e6e761c60f2 | 261 | mask_var |= ALRM_MASK; |
j3 | 2:4e6e761c60f2 | 262 | } |
j3 | 2:4e6e761c60f2 | 263 | if(alarm.dy_dt) |
j3 | 2:4e6e761c60f2 | 264 | { |
j3 | 2:4e6e761c60f2 | 265 | mask_var |= DY_DT; |
j3 | 2:4e6e761c60f2 | 266 | data[data_length++] = (mask_var | uchar_2_bcd(alarm.day)); |
j3 | 2:4e6e761c60f2 | 267 | } |
j3 | 2:4e6e761c60f2 | 268 | else |
j3 | 2:4e6e761c60f2 | 269 | { |
j3 | 2:4e6e761c60f2 | 270 | data[data_length++] = (mask_var | uchar_2_bcd(alarm.date)); |
j3 | 2:4e6e761c60f2 | 271 | } |
j3 | 2:4e6e761c60f2 | 272 | mask_var = 0; |
j3 | 2:4e6e761c60f2 | 273 | } |
j3 | 2:4e6e761c60f2 | 274 | |
j3 | 7:0551d7e7c13f | 275 | //Make sure data is within range. |
j3 | 7:0551d7e7c13f | 276 | if((alarm.seconds > 59) || (alarm.minutes > 59) || (alarm.hours > max_hour) || |
j3 | 7:0551d7e7c13f | 277 | ((alarm.day < 1) || (alarm.day > 7)) || |
j3 | 7:0551d7e7c13f | 278 | ((alarm.date < 1) || (alarm.date > 31))) |
j3 | 2:4e6e761c60f2 | 279 | { |
j3 | 2:4e6e761c60f2 | 280 | return(1); |
j3 | 2:4e6e761c60f2 | 281 | } |
j3 | 2:4e6e761c60f2 | 282 | else |
j3 | 2:4e6e761c60f2 | 283 | { |
j3 | 15:16ca4c747252 | 284 | return(_p_i2c->write(_w_adrs,(const char*) data, data_length)); |
j3 | 2:4e6e761c60f2 | 285 | } |
j3 | 0:b00c4699ae6f | 286 | } |
j3 | 0:b00c4699ae6f | 287 | |
j3 | 0:b00c4699ae6f | 288 | |
j3 | 15:16ca4c747252 | 289 | //********************************************************************* |
j3 | 0:b00c4699ae6f | 290 | uint16_t Ds3231::set_cntl_stat_reg(ds3231_cntl_stat_t data) |
j3 | 0:b00c4699ae6f | 291 | { |
j3 | 2:4e6e761c60f2 | 292 | uint8_t local_data[] = {0,0,0}; |
j3 | 2:4e6e761c60f2 | 293 | uint8_t data_length = 0; |
j3 | 2:4e6e761c60f2 | 294 | |
j3 | 2:4e6e761c60f2 | 295 | local_data[data_length++] = CONTROL; |
j3 | 2:4e6e761c60f2 | 296 | local_data[data_length++] = data.control; |
j3 | 2:4e6e761c60f2 | 297 | local_data[data_length++] = data.status; |
j3 | 0:b00c4699ae6f | 298 | |
j3 | 2:4e6e761c60f2 | 299 | //users responsibility to make sure data is logical |
j3 | 15:16ca4c747252 | 300 | return(_p_i2c->write(_w_adrs,(const char*) local_data, data_length)); |
j3 | 0:b00c4699ae6f | 301 | } |
j3 | 0:b00c4699ae6f | 302 | |
j3 | 0:b00c4699ae6f | 303 | |
j3 | 15:16ca4c747252 | 304 | //********************************************************************* |
j3 | 2:4e6e761c60f2 | 305 | uint16_t Ds3231::get_time(ds3231_time_t* time) |
j3 | 0:b00c4699ae6f | 306 | { |
j3 | 2:4e6e761c60f2 | 307 | uint16_t rtn_val = 1; |
j3 | 2:4e6e761c60f2 | 308 | uint8_t data[3]; |
j3 | 2:4e6e761c60f2 | 309 | |
j3 | 2:4e6e761c60f2 | 310 | data[0] = SECONDS; |
j3 | 15:16ca4c747252 | 311 | rtn_val = _p_i2c->write(_w_adrs, (const char*) data, 1); |
j3 | 2:4e6e761c60f2 | 312 | |
j3 | 2:4e6e761c60f2 | 313 | if(!rtn_val) |
j3 | 2:4e6e761c60f2 | 314 | { |
j3 | 15:16ca4c747252 | 315 | rtn_val = _p_i2c->read(_r_adrs,(char *) data, 3); |
j3 | 2:4e6e761c60f2 | 316 | |
j3 | 2:4e6e761c60f2 | 317 | time->seconds = bcd_2_uchar(data[0]); |
j3 | 2:4e6e761c60f2 | 318 | time->minutes = bcd_2_uchar(data[1]); |
j3 | 4:0beb5e9ac927 | 319 | time->am_pm = (data[2]&AM_PM); |
j3 | 4:0beb5e9ac927 | 320 | time->mode = (data[2]&MODE); |
j3 | 10:3b55ed3f71d3 | 321 | |
j3 | 10:3b55ed3f71d3 | 322 | if(time->mode) |
j3 | 10:3b55ed3f71d3 | 323 | { |
j3 | 10:3b55ed3f71d3 | 324 | time->hours = bcd_2_uchar((data[2]&0x1F)); |
j3 | 10:3b55ed3f71d3 | 325 | } |
j3 | 10:3b55ed3f71d3 | 326 | else |
j3 | 10:3b55ed3f71d3 | 327 | { |
j3 | 10:3b55ed3f71d3 | 328 | time->hours = bcd_2_uchar((data[2]&0x3F)); |
j3 | 10:3b55ed3f71d3 | 329 | } |
j3 | 2:4e6e761c60f2 | 330 | } |
j3 | 2:4e6e761c60f2 | 331 | |
j3 | 2:4e6e761c60f2 | 332 | return(rtn_val); |
j3 | 0:b00c4699ae6f | 333 | } |
j3 | 0:b00c4699ae6f | 334 | |
j3 | 0:b00c4699ae6f | 335 | |
j3 | 15:16ca4c747252 | 336 | //********************************************************************* |
j3 | 2:4e6e761c60f2 | 337 | uint16_t Ds3231::get_calendar(ds3231_calendar_t* calendar) |
j3 | 0:b00c4699ae6f | 338 | { |
j3 | 2:4e6e761c60f2 | 339 | uint16_t rtn_val = 1; |
j3 | 2:4e6e761c60f2 | 340 | uint8_t data[4]; |
j3 | 2:4e6e761c60f2 | 341 | |
j3 | 2:4e6e761c60f2 | 342 | data[0] = DAY; |
j3 | 15:16ca4c747252 | 343 | rtn_val = _p_i2c->write(_w_adrs, (const char*) data, 1); |
j3 | 2:4e6e761c60f2 | 344 | |
j3 | 2:4e6e761c60f2 | 345 | if(!rtn_val) |
j3 | 2:4e6e761c60f2 | 346 | { |
j3 | 15:16ca4c747252 | 347 | rtn_val = _p_i2c->read(_r_adrs,(char *) data, 4); |
j3 | 2:4e6e761c60f2 | 348 | |
j3 | 2:4e6e761c60f2 | 349 | calendar->day = bcd_2_uchar(data[0]); |
j3 | 2:4e6e761c60f2 | 350 | calendar->date = bcd_2_uchar(data[1]); |
j3 | 2:4e6e761c60f2 | 351 | calendar->month = bcd_2_uchar((data[2]&0x1F)); |
j3 | 2:4e6e761c60f2 | 352 | calendar->year = bcd_2_uchar(data[3]); |
j3 | 2:4e6e761c60f2 | 353 | } |
j3 | 2:4e6e761c60f2 | 354 | |
j3 | 2:4e6e761c60f2 | 355 | return(rtn_val); |
j3 | 0:b00c4699ae6f | 356 | } |
j3 | 0:b00c4699ae6f | 357 | |
j3 | 0:b00c4699ae6f | 358 | |
j3 | 15:16ca4c747252 | 359 | //********************************************************************* |
j3 | 2:4e6e761c60f2 | 360 | uint16_t Ds3231::get_alarm(ds3231_alrm_t* alarm, bool one_r_two) |
j3 | 0:b00c4699ae6f | 361 | { |
j3 | 2:4e6e761c60f2 | 362 | uint16_t rtn_val = 1; |
j3 | 2:4e6e761c60f2 | 363 | uint8_t data[4]; |
j3 | 2:4e6e761c60f2 | 364 | |
j3 | 2:4e6e761c60f2 | 365 | if(one_r_two) |
j3 | 2:4e6e761c60f2 | 366 | { |
j3 | 2:4e6e761c60f2 | 367 | data[0] = ALRM1_SECONDS; |
j3 | 15:16ca4c747252 | 368 | rtn_val = _p_i2c->write(_w_adrs, (const char*) data, 1); |
j3 | 2:4e6e761c60f2 | 369 | |
j3 | 2:4e6e761c60f2 | 370 | if(!rtn_val) |
j3 | 2:4e6e761c60f2 | 371 | { |
j3 | 15:16ca4c747252 | 372 | rtn_val = _p_i2c->read(_r_adrs,(char *) data, 4); |
j3 | 2:4e6e761c60f2 | 373 | |
j3 | 2:4e6e761c60f2 | 374 | alarm->seconds = bcd_2_uchar(data[0]&0x7F); |
j3 | 4:0beb5e9ac927 | 375 | alarm->am1 = (data[0]&ALRM_MASK); |
j3 | 2:4e6e761c60f2 | 376 | alarm->minutes = bcd_2_uchar(data[1]&0x7F); |
j3 | 4:0beb5e9ac927 | 377 | alarm->am2 = (data[1]&ALRM_MASK); |
j3 | 4:0beb5e9ac927 | 378 | alarm->am3 = (data[2]&ALRM_MASK); |
j3 | 4:0beb5e9ac927 | 379 | alarm->am_pm = (data[2]&AM_PM); |
j3 | 4:0beb5e9ac927 | 380 | alarm->mode = (data[2]&MODE); |
j3 | 2:4e6e761c60f2 | 381 | |
j3 | 10:3b55ed3f71d3 | 382 | if(alarm->mode) |
j3 | 10:3b55ed3f71d3 | 383 | { |
j3 | 10:3b55ed3f71d3 | 384 | alarm->hours = bcd_2_uchar((data[2]&0x1F)); |
j3 | 10:3b55ed3f71d3 | 385 | } |
j3 | 10:3b55ed3f71d3 | 386 | else |
j3 | 10:3b55ed3f71d3 | 387 | { |
j3 | 10:3b55ed3f71d3 | 388 | alarm->hours = bcd_2_uchar((data[2]&0x3F)); |
j3 | 10:3b55ed3f71d3 | 389 | } |
j3 | 10:3b55ed3f71d3 | 390 | |
j3 | 2:4e6e761c60f2 | 391 | if(data[3] & DY_DT) |
j3 | 2:4e6e761c60f2 | 392 | { |
j3 | 4:0beb5e9ac927 | 393 | alarm->dy_dt = 1; |
j3 | 2:4e6e761c60f2 | 394 | alarm->day = bcd_2_uchar(data[3]&0x0F); |
j3 | 2:4e6e761c60f2 | 395 | } |
j3 | 2:4e6e761c60f2 | 396 | else |
j3 | 2:4e6e761c60f2 | 397 | { |
j3 | 2:4e6e761c60f2 | 398 | alarm->date = bcd_2_uchar(data[3]&0x3F); |
j3 | 2:4e6e761c60f2 | 399 | } |
j3 | 4:0beb5e9ac927 | 400 | alarm->am4 = (data[3]&ALRM_MASK); |
j3 | 2:4e6e761c60f2 | 401 | } |
j3 | 2:4e6e761c60f2 | 402 | } |
j3 | 2:4e6e761c60f2 | 403 | else |
j3 | 2:4e6e761c60f2 | 404 | { |
j3 | 2:4e6e761c60f2 | 405 | data[0] = ALRM2_MINUTES; |
j3 | 15:16ca4c747252 | 406 | rtn_val = _p_i2c->write(_w_adrs, (const char*) data, 1); |
j3 | 2:4e6e761c60f2 | 407 | |
j3 | 2:4e6e761c60f2 | 408 | if(!rtn_val) |
j3 | 2:4e6e761c60f2 | 409 | { |
j3 | 15:16ca4c747252 | 410 | rtn_val = _p_i2c->read(_r_adrs,(char *) data, 4); |
j3 | 2:4e6e761c60f2 | 411 | |
j3 | 2:4e6e761c60f2 | 412 | alarm->minutes = bcd_2_uchar(data[0]&0x7F); |
j3 | 4:0beb5e9ac927 | 413 | alarm->am2 = (data[0]&ALRM_MASK); |
j3 | 4:0beb5e9ac927 | 414 | alarm->am3 = (data[1]&ALRM_MASK); |
j3 | 4:0beb5e9ac927 | 415 | alarm->am_pm = (data[1]&AM_PM); |
j3 | 4:0beb5e9ac927 | 416 | alarm->mode = (data[1]&MODE); |
j3 | 2:4e6e761c60f2 | 417 | |
j3 | 10:3b55ed3f71d3 | 418 | if(alarm->mode) |
j3 | 10:3b55ed3f71d3 | 419 | { |
j3 | 16:e1c0f63595d9 | 420 | alarm->hours = bcd_2_uchar((data[1]&0x1F)); |
j3 | 10:3b55ed3f71d3 | 421 | } |
j3 | 10:3b55ed3f71d3 | 422 | else |
j3 | 10:3b55ed3f71d3 | 423 | { |
j3 | 16:e1c0f63595d9 | 424 | alarm->hours = bcd_2_uchar((data[1]&0x3F)); |
j3 | 10:3b55ed3f71d3 | 425 | } |
j3 | 10:3b55ed3f71d3 | 426 | |
j3 | 4:0beb5e9ac927 | 427 | if(data[2] & DY_DT) |
j3 | 2:4e6e761c60f2 | 428 | { |
j3 | 4:0beb5e9ac927 | 429 | alarm->dy_dt = 1; |
j3 | 2:4e6e761c60f2 | 430 | alarm->day = bcd_2_uchar(data[2]&0x0F); |
j3 | 2:4e6e761c60f2 | 431 | } |
j3 | 2:4e6e761c60f2 | 432 | else |
j3 | 2:4e6e761c60f2 | 433 | { |
j3 | 2:4e6e761c60f2 | 434 | alarm->date = bcd_2_uchar(data[2]&0x3F); |
j3 | 2:4e6e761c60f2 | 435 | } |
j3 | 4:0beb5e9ac927 | 436 | alarm->am4 = (data[2]&ALRM_MASK); |
j3 | 2:4e6e761c60f2 | 437 | } |
j3 | 2:4e6e761c60f2 | 438 | } |
j3 | 2:4e6e761c60f2 | 439 | |
j3 | 2:4e6e761c60f2 | 440 | return(rtn_val); |
j3 | 0:b00c4699ae6f | 441 | } |
j3 | 0:b00c4699ae6f | 442 | |
j3 | 0:b00c4699ae6f | 443 | |
j3 | 15:16ca4c747252 | 444 | //********************************************************************* |
j3 | 2:4e6e761c60f2 | 445 | uint16_t Ds3231::get_cntl_stat_reg(ds3231_cntl_stat_t* data) |
j3 | 0:b00c4699ae6f | 446 | { |
j3 | 2:4e6e761c60f2 | 447 | uint16_t rtn_val = 1; |
j3 | 2:4e6e761c60f2 | 448 | uint8_t local_data[2]; |
j3 | 2:4e6e761c60f2 | 449 | |
j3 | 2:4e6e761c60f2 | 450 | local_data[0] = CONTROL; |
j3 | 15:16ca4c747252 | 451 | rtn_val = _p_i2c->write(_w_adrs, (const char*) local_data, 1); |
j3 | 2:4e6e761c60f2 | 452 | |
j3 | 2:4e6e761c60f2 | 453 | if(!rtn_val) |
j3 | 2:4e6e761c60f2 | 454 | { |
j3 | 15:16ca4c747252 | 455 | rtn_val = _p_i2c->read(_r_adrs,(char *) local_data, 2); |
j3 | 2:4e6e761c60f2 | 456 | |
j3 | 2:4e6e761c60f2 | 457 | data->control = local_data[0]; |
j3 | 2:4e6e761c60f2 | 458 | data->status = local_data[1]; |
j3 | 2:4e6e761c60f2 | 459 | } |
j3 | 2:4e6e761c60f2 | 460 | |
j3 | 2:4e6e761c60f2 | 461 | return(rtn_val); |
j3 | 0:b00c4699ae6f | 462 | } |
j3 | 0:b00c4699ae6f | 463 | |
j3 | 0:b00c4699ae6f | 464 | |
j3 | 15:16ca4c747252 | 465 | //********************************************************************* |
j3 | 2:4e6e761c60f2 | 466 | uint16_t Ds3231::get_temperature(void) |
j3 | 0:b00c4699ae6f | 467 | { |
j3 | 2:4e6e761c60f2 | 468 | uint16_t rtn_val = 1; |
j3 | 2:4e6e761c60f2 | 469 | uint8_t data[2]; |
j3 | 2:4e6e761c60f2 | 470 | |
j3 | 2:4e6e761c60f2 | 471 | data[0] = MSB_TEMP; |
j3 | 15:16ca4c747252 | 472 | rtn_val = _p_i2c->write(_w_adrs, (const char*) data, 1); |
j3 | 2:4e6e761c60f2 | 473 | |
j3 | 2:4e6e761c60f2 | 474 | if(!rtn_val) |
j3 | 2:4e6e761c60f2 | 475 | { |
j3 | 15:16ca4c747252 | 476 | _p_i2c->read(_r_adrs,(char *) data, 2); |
j3 | 2:4e6e761c60f2 | 477 | |
j3 | 2:4e6e761c60f2 | 478 | rtn_val = data[0] << 8; |
j3 | 2:4e6e761c60f2 | 479 | rtn_val |= data[1]; |
j3 | 2:4e6e761c60f2 | 480 | } |
j3 | 2:4e6e761c60f2 | 481 | |
j3 | 2:4e6e761c60f2 | 482 | return(rtn_val); |
j3 | 0:b00c4699ae6f | 483 | } |
j3 | 0:b00c4699ae6f | 484 | |
j3 | 2:4e6e761c60f2 | 485 | |
j3 | 15:16ca4c747252 | 486 | //********************************************************************* |
j3 | 5:61dfe2690360 | 487 | time_t Ds3231::get_epoch(void) |
j3 | 5:61dfe2690360 | 488 | { |
j3 | 5:61dfe2690360 | 489 | //system vars |
j3 | 5:61dfe2690360 | 490 | struct tm sys_time; |
j3 | 5:61dfe2690360 | 491 | |
j3 | 5:61dfe2690360 | 492 | //RTC vars |
j3 | 6:e8850ad15893 | 493 | ds3231_time_t rtc_time = {0,0,0,0,0}; |
j3 | 6:e8850ad15893 | 494 | ds3231_calendar_t rtc_calendar = {0,0,0,0}; |
j3 | 5:61dfe2690360 | 495 | |
j3 | 5:61dfe2690360 | 496 | get_calendar(&rtc_calendar); |
j3 | 5:61dfe2690360 | 497 | get_time(&rtc_time); |
j3 | 5:61dfe2690360 | 498 | |
j3 | 5:61dfe2690360 | 499 | sys_time.tm_wday = rtc_calendar.day - 1; |
j3 | 5:61dfe2690360 | 500 | sys_time.tm_mday = rtc_calendar.date; |
j3 | 5:61dfe2690360 | 501 | sys_time.tm_mon = rtc_calendar.month - 1; |
j3 | 5:61dfe2690360 | 502 | sys_time.tm_year = rtc_calendar.year + 100; |
j3 | 5:61dfe2690360 | 503 | |
j3 | 5:61dfe2690360 | 504 | //check for 12hr or 24hr mode |
j3 | 5:61dfe2690360 | 505 | if(rtc_time.mode) |
j3 | 5:61dfe2690360 | 506 | { |
j3 | 5:61dfe2690360 | 507 | //check am/pm |
j3 | 5:61dfe2690360 | 508 | if(rtc_time.am_pm && (rtc_time.hours != 12)) |
j3 | 5:61dfe2690360 | 509 | { |
j3 | 5:61dfe2690360 | 510 | sys_time.tm_hour = rtc_time.hours + 12; |
j3 | 5:61dfe2690360 | 511 | } |
j3 | 5:61dfe2690360 | 512 | else |
j3 | 5:61dfe2690360 | 513 | { |
j3 | 5:61dfe2690360 | 514 | sys_time.tm_hour = rtc_time.hours; |
j3 | 5:61dfe2690360 | 515 | } |
j3 | 5:61dfe2690360 | 516 | |
j3 | 5:61dfe2690360 | 517 | } |
j3 | 5:61dfe2690360 | 518 | else |
j3 | 5:61dfe2690360 | 519 | { |
j3 | 5:61dfe2690360 | 520 | //24hr mode |
j3 | 5:61dfe2690360 | 521 | sys_time.tm_hour = rtc_time.hours; |
j3 | 5:61dfe2690360 | 522 | } |
j3 | 5:61dfe2690360 | 523 | |
j3 | 5:61dfe2690360 | 524 | sys_time.tm_min = rtc_time.minutes; |
j3 | 5:61dfe2690360 | 525 | sys_time.tm_sec = rtc_time.seconds; |
j3 | 5:61dfe2690360 | 526 | |
j3 | 5:61dfe2690360 | 527 | //make epoch time |
j3 | 5:61dfe2690360 | 528 | return(mktime(&sys_time)); |
j3 | 5:61dfe2690360 | 529 | } |
j3 | 5:61dfe2690360 | 530 | |
j3 | 5:61dfe2690360 | 531 | |
j3 | 15:16ca4c747252 | 532 | //********************************************************************* |
j3 | 2:4e6e761c60f2 | 533 | uint16_t Ds3231::uchar_2_bcd(uint8_t data) |
j3 | 2:4e6e761c60f2 | 534 | { |
j3 | 2:4e6e761c60f2 | 535 | uint16_t bcd_result = 0; |
j3 | 2:4e6e761c60f2 | 536 | |
j3 | 2:4e6e761c60f2 | 537 | //Get hundreds |
j3 | 2:4e6e761c60f2 | 538 | bcd_result |= ((data/100) << 8); |
j3 | 2:4e6e761c60f2 | 539 | data = (data - (data/100)*100); |
j3 | 2:4e6e761c60f2 | 540 | |
j3 | 2:4e6e761c60f2 | 541 | //Get tens |
j3 | 2:4e6e761c60f2 | 542 | bcd_result |= ((data/10) << 4); |
j3 | 2:4e6e761c60f2 | 543 | data = (data - (data/10)*10); |
j3 | 2:4e6e761c60f2 | 544 | |
j3 | 2:4e6e761c60f2 | 545 | //Get ones |
j3 | 2:4e6e761c60f2 | 546 | bcd_result |= data; |
j3 | 2:4e6e761c60f2 | 547 | |
j3 | 2:4e6e761c60f2 | 548 | return(bcd_result); |
j3 | 2:4e6e761c60f2 | 549 | } |
j3 | 2:4e6e761c60f2 | 550 | |
j3 | 2:4e6e761c60f2 | 551 | |
j3 | 15:16ca4c747252 | 552 | //********************************************************************* |
j3 | 2:4e6e761c60f2 | 553 | uint8_t Ds3231::bcd_2_uchar(uint8_t bcd) |
j3 | 2:4e6e761c60f2 | 554 | { |
j3 | 2:4e6e761c60f2 | 555 | uint8_t rtn_val = 0; |
j3 | 2:4e6e761c60f2 | 556 | |
j3 | 2:4e6e761c60f2 | 557 | rtn_val += ((bcd&0xf0)>>4)*10; |
j3 | 2:4e6e761c60f2 | 558 | rtn_val += (bcd&0x000f); |
j3 | 2:4e6e761c60f2 | 559 | |
j3 | 2:4e6e761c60f2 | 560 | return rtn_val; |
j3 | 2:4e6e761c60f2 | 561 | } |
j3 | 2:4e6e761c60f2 | 562 | |
j3 | 2:4e6e761c60f2 | 563 |