Implementation of 1-Wire with added Alarm Search Functionality
Dependents: Max32630_One_Wire_Interface
OneWire_Masters/DS248x/ds248x.cpp@1:91e52f8ab8bf, 2016-01-30 (annotated)
- Committer:
- j3
- Date:
- Sat Jan 30 23:00:57 2016 +0000
- Revision:
- 1:91e52f8ab8bf
- Child:
- 2:02d228c25fd4
init commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
j3 | 1:91e52f8ab8bf | 1 | /******************************************************************//** |
j3 | 1:91e52f8ab8bf | 2 | * @file ds248x.cpp |
j3 | 1:91e52f8ab8bf | 3 | * |
j3 | 1:91e52f8ab8bf | 4 | * @author Justin Jordan |
j3 | 1:91e52f8ab8bf | 5 | * |
j3 | 1:91e52f8ab8bf | 6 | * @version 0.0.0 |
j3 | 1:91e52f8ab8bf | 7 | * |
j3 | 1:91e52f8ab8bf | 8 | * Started: 30JAN16 |
j3 | 1:91e52f8ab8bf | 9 | * |
j3 | 1:91e52f8ab8bf | 10 | * Updated: |
j3 | 1:91e52f8ab8bf | 11 | * |
j3 | 1:91e52f8ab8bf | 12 | * @brief Source file for Ds248x I2C to 1-wire master |
j3 | 1:91e52f8ab8bf | 13 | *********************************************************************** |
j3 | 1:91e52f8ab8bf | 14 | * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. |
j3 | 1:91e52f8ab8bf | 15 | * |
j3 | 1:91e52f8ab8bf | 16 | * Permission is hereby granted, free of charge, to any person obtaining a |
j3 | 1:91e52f8ab8bf | 17 | * copy of this software and associated documentation files (the "Software"), |
j3 | 1:91e52f8ab8bf | 18 | * to deal in the Software without restriction, including without limitation |
j3 | 1:91e52f8ab8bf | 19 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
j3 | 1:91e52f8ab8bf | 20 | * and/or sell copies of the Software, and to permit persons to whom the |
j3 | 1:91e52f8ab8bf | 21 | * Software is furnished to do so, subject to the following conditions: |
j3 | 1:91e52f8ab8bf | 22 | * |
j3 | 1:91e52f8ab8bf | 23 | * The above copyright notice and this permission notice shall be included |
j3 | 1:91e52f8ab8bf | 24 | * in all copies or substantial portions of the Software. |
j3 | 1:91e52f8ab8bf | 25 | * |
j3 | 1:91e52f8ab8bf | 26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
j3 | 1:91e52f8ab8bf | 27 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
j3 | 1:91e52f8ab8bf | 28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
j3 | 1:91e52f8ab8bf | 29 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
j3 | 1:91e52f8ab8bf | 30 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
j3 | 1:91e52f8ab8bf | 31 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
j3 | 1:91e52f8ab8bf | 32 | * OTHER DEALINGS IN THE SOFTWARE. |
j3 | 1:91e52f8ab8bf | 33 | * |
j3 | 1:91e52f8ab8bf | 34 | * Except as contained in this notice, the name of Maxim Integrated |
j3 | 1:91e52f8ab8bf | 35 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
j3 | 1:91e52f8ab8bf | 36 | * Products, Inc. Branding Policy. |
j3 | 1:91e52f8ab8bf | 37 | * |
j3 | 1:91e52f8ab8bf | 38 | * The mere transfer of this software does not imply any licenses |
j3 | 1:91e52f8ab8bf | 39 | * of trade secrets, proprietary technology, copyrights, patents, |
j3 | 1:91e52f8ab8bf | 40 | * trademarks, maskwork rights, or any other form of intellectual |
j3 | 1:91e52f8ab8bf | 41 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
j3 | 1:91e52f8ab8bf | 42 | * ownership rights. |
j3 | 1:91e52f8ab8bf | 43 | **********************************************************************/ |
j3 | 1:91e52f8ab8bf | 44 | |
j3 | 1:91e52f8ab8bf | 45 | |
j3 | 1:91e52f8ab8bf | 46 | #include "ds248x.h" |
j3 | 1:91e52f8ab8bf | 47 | |
j3 | 1:91e52f8ab8bf | 48 | |
j3 | 1:91e52f8ab8bf | 49 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 50 | Ds248x::Ds248x(I2C *p_i2c_bus, ds248x_i2c_adrs_t adrs) |
j3 | 1:91e52f8ab8bf | 51 | { |
j3 | 1:91e52f8ab8bf | 52 | _p_i2c_bus = p_i2c_bus; |
j3 | 1:91e52f8ab8bf | 53 | _w_adrs = (adrs << 1); |
j3 | 1:91e52f8ab8bf | 54 | _r_adrs = (_w_adrs | 1); |
j3 | 1:91e52f8ab8bf | 55 | i2c_owner = false; |
j3 | 1:91e52f8ab8bf | 56 | } |
j3 | 1:91e52f8ab8bf | 57 | |
j3 | 1:91e52f8ab8bf | 58 | |
j3 | 1:91e52f8ab8bf | 59 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 60 | Ds248x::Ds248x(PinName sda, PinName scl, ds248x_i2c_adrs_t adrs) |
j3 | 1:91e52f8ab8bf | 61 | { |
j3 | 1:91e52f8ab8bf | 62 | _p_i2c_bus = new I2C(sda, scl); |
j3 | 1:91e52f8ab8bf | 63 | _w_adrs = (adrs << 1); |
j3 | 1:91e52f8ab8bf | 64 | _r_adrs = (_w_adrs | 1); |
j3 | 1:91e52f8ab8bf | 65 | i2c_owner = true; |
j3 | 1:91e52f8ab8bf | 66 | } |
j3 | 1:91e52f8ab8bf | 67 | |
j3 | 1:91e52f8ab8bf | 68 | |
j3 | 1:91e52f8ab8bf | 69 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 70 | Ds248x::~Ds248x() |
j3 | 1:91e52f8ab8bf | 71 | { |
j3 | 1:91e52f8ab8bf | 72 | if(i2c_owner) |
j3 | 1:91e52f8ab8bf | 73 | { |
j3 | 1:91e52f8ab8bf | 74 | delete _p_i2c_bus; |
j3 | 1:91e52f8ab8bf | 75 | } |
j3 | 1:91e52f8ab8bf | 76 | } |
j3 | 1:91e52f8ab8bf | 77 | |
j3 | 1:91e52f8ab8bf | 78 | |
j3 | 1:91e52f8ab8bf | 79 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 80 | uint8_t Ds248x::detect(void) |
j3 | 1:91e52f8ab8bf | 81 | { |
j3 | 1:91e52f8ab8bf | 82 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 83 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 84 | } |
j3 | 1:91e52f8ab8bf | 85 | |
j3 | 1:91e52f8ab8bf | 86 | |
j3 | 1:91e52f8ab8bf | 87 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 88 | uint8_t Ds248x::reset(void) |
j3 | 1:91e52f8ab8bf | 89 | { |
j3 | 1:91e52f8ab8bf | 90 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 91 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 92 | } |
j3 | 1:91e52f8ab8bf | 93 | |
j3 | 1:91e52f8ab8bf | 94 | |
j3 | 1:91e52f8ab8bf | 95 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 96 | uint8_t Ds248x::write_config(uint8_t config) |
j3 | 1:91e52f8ab8bf | 97 | { |
j3 | 1:91e52f8ab8bf | 98 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 99 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 100 | } |
j3 | 1:91e52f8ab8bf | 101 | |
j3 | 1:91e52f8ab8bf | 102 | |
j3 | 1:91e52f8ab8bf | 103 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 104 | |
j3 | 1:91e52f8ab8bf | 105 | |
j3 | 1:91e52f8ab8bf | 106 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 107 | uint8_t Ds248x::OWReset() |
j3 | 1:91e52f8ab8bf | 108 | { |
j3 | 1:91e52f8ab8bf | 109 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 110 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 111 | } |
j3 | 1:91e52f8ab8bf | 112 | |
j3 | 1:91e52f8ab8bf | 113 | |
j3 | 1:91e52f8ab8bf | 114 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 115 | void Ds248x::OWWriteBit(uint8_t sendbit) |
j3 | 1:91e52f8ab8bf | 116 | { |
j3 | 1:91e52f8ab8bf | 117 | |
j3 | 1:91e52f8ab8bf | 118 | } |
j3 | 1:91e52f8ab8bf | 119 | |
j3 | 1:91e52f8ab8bf | 120 | |
j3 | 1:91e52f8ab8bf | 121 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 122 | uint8_t Ds248x::OWReadBit() |
j3 | 1:91e52f8ab8bf | 123 | { |
j3 | 1:91e52f8ab8bf | 124 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 125 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 126 | } |
j3 | 1:91e52f8ab8bf | 127 | |
j3 | 1:91e52f8ab8bf | 128 | |
j3 | 1:91e52f8ab8bf | 129 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 130 | uint8_t Ds248x::OWTouchBit(uint8_t sendbit) |
j3 | 1:91e52f8ab8bf | 131 | { |
j3 | 1:91e52f8ab8bf | 132 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 133 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 134 | } |
j3 | 1:91e52f8ab8bf | 135 | |
j3 | 1:91e52f8ab8bf | 136 | |
j3 | 1:91e52f8ab8bf | 137 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 138 | void Ds248x::OWWRiteByte(uint8_t sendbyte) |
j3 | 1:91e52f8ab8bf | 139 | { |
j3 | 1:91e52f8ab8bf | 140 | |
j3 | 1:91e52f8ab8bf | 141 | } |
j3 | 1:91e52f8ab8bf | 142 | |
j3 | 1:91e52f8ab8bf | 143 | |
j3 | 1:91e52f8ab8bf | 144 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 145 | uint8_t Ds248x::OWReadByte(void) |
j3 | 1:91e52f8ab8bf | 146 | { |
j3 | 1:91e52f8ab8bf | 147 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 148 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 149 | } |
j3 | 1:91e52f8ab8bf | 150 | |
j3 | 1:91e52f8ab8bf | 151 | |
j3 | 1:91e52f8ab8bf | 152 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 153 | uint8_t Ds248x::OWTouchByte(uint8_t sendbyte) |
j3 | 1:91e52f8ab8bf | 154 | { |
j3 | 1:91e52f8ab8bf | 155 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 156 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 157 | } |
j3 | 1:91e52f8ab8bf | 158 | |
j3 | 1:91e52f8ab8bf | 159 | |
j3 | 1:91e52f8ab8bf | 160 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 161 | void Ds248x::OWBlock(uint8_t *tran_buf, uint8_t tran_len) |
j3 | 1:91e52f8ab8bf | 162 | { |
j3 | 1:91e52f8ab8bf | 163 | |
j3 | 1:91e52f8ab8bf | 164 | } |
j3 | 1:91e52f8ab8bf | 165 | |
j3 | 1:91e52f8ab8bf | 166 | |
j3 | 1:91e52f8ab8bf | 167 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 168 | void Ds248x::OWFirst(void) |
j3 | 1:91e52f8ab8bf | 169 | { |
j3 | 1:91e52f8ab8bf | 170 | |
j3 | 1:91e52f8ab8bf | 171 | } |
j3 | 1:91e52f8ab8bf | 172 | |
j3 | 1:91e52f8ab8bf | 173 | |
j3 | 1:91e52f8ab8bf | 174 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 175 | uint8_t Ds248x::OWNext(void) |
j3 | 1:91e52f8ab8bf | 176 | { |
j3 | 1:91e52f8ab8bf | 177 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 178 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 179 | } |
j3 | 1:91e52f8ab8bf | 180 | |
j3 | 1:91e52f8ab8bf | 181 | |
j3 | 1:91e52f8ab8bf | 182 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 183 | uint8_t Ds248x::OWVerify(void) |
j3 | 1:91e52f8ab8bf | 184 | { |
j3 | 1:91e52f8ab8bf | 185 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 186 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 187 | } |
j3 | 1:91e52f8ab8bf | 188 | |
j3 | 1:91e52f8ab8bf | 189 | |
j3 | 1:91e52f8ab8bf | 190 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 191 | void Ds248x::OWTargetSetup(uint8_t family_code) |
j3 | 1:91e52f8ab8bf | 192 | { |
j3 | 1:91e52f8ab8bf | 193 | |
j3 | 1:91e52f8ab8bf | 194 | } |
j3 | 1:91e52f8ab8bf | 195 | |
j3 | 1:91e52f8ab8bf | 196 | |
j3 | 1:91e52f8ab8bf | 197 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 198 | void Ds248x::OWFamilySkipSetup(void) |
j3 | 1:91e52f8ab8bf | 199 | { |
j3 | 1:91e52f8ab8bf | 200 | |
j3 | 1:91e52f8ab8bf | 201 | } |
j3 | 1:91e52f8ab8bf | 202 | |
j3 | 1:91e52f8ab8bf | 203 | |
j3 | 1:91e52f8ab8bf | 204 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 205 | uint8_t Ds248x::OWSearch(void) |
j3 | 1:91e52f8ab8bf | 206 | { |
j3 | 1:91e52f8ab8bf | 207 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 208 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 209 | } |
j3 | 1:91e52f8ab8bf | 210 | |
j3 | 1:91e52f8ab8bf | 211 | |
j3 | 1:91e52f8ab8bf | 212 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 213 | uint8_t Ds248x::OWSpeed(uint8_t new_speed) |
j3 | 1:91e52f8ab8bf | 214 | { |
j3 | 1:91e52f8ab8bf | 215 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 216 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 217 | } |
j3 | 1:91e52f8ab8bf | 218 | |
j3 | 1:91e52f8ab8bf | 219 | |
j3 | 1:91e52f8ab8bf | 220 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 221 | uint8_t Ds248x::OWLevel(uint8_t new_level) |
j3 | 1:91e52f8ab8bf | 222 | { |
j3 | 1:91e52f8ab8bf | 223 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 224 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 225 | } |
j3 | 1:91e52f8ab8bf | 226 | |
j3 | 1:91e52f8ab8bf | 227 | |
j3 | 1:91e52f8ab8bf | 228 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 229 | uint8_t Ds248x::OWWriteBytePower(uint8_t sendbyte) |
j3 | 1:91e52f8ab8bf | 230 | { |
j3 | 1:91e52f8ab8bf | 231 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 232 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 233 | } |
j3 | 1:91e52f8ab8bf | 234 | |
j3 | 1:91e52f8ab8bf | 235 | |
j3 | 1:91e52f8ab8bf | 236 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 237 | uint8_t Ds248x::OWReadBitPower(uint8_t applyPowerResponse) |
j3 | 1:91e52f8ab8bf | 238 | { |
j3 | 1:91e52f8ab8bf | 239 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 240 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 241 | } |
j3 | 1:91e52f8ab8bf | 242 | |
j3 | 1:91e52f8ab8bf | 243 | |
j3 | 1:91e52f8ab8bf | 244 | //********************************************************************* |
j3 | 1:91e52f8ab8bf | 245 | uint8_t Ds248x::calc_crc8(uint8_t data) |
j3 | 1:91e52f8ab8bf | 246 | { |
j3 | 1:91e52f8ab8bf | 247 | uint8_t rtn_val; |
j3 | 1:91e52f8ab8bf | 248 | return(rtn_val); |
j3 | 1:91e52f8ab8bf | 249 | } |