1-Wire® library for mbed. Complete 1-Wire library that supports our silicon masters along with a bit-bang master on the MAX32600MBED platform with one common interface for mbed. Slave support has also been included and more slaves will be added as time permits.
Dependents: MAXREFDES131_Qt_Demo MAX32630FTHR_iButton_uSD_Logger MAX32630FTHR_DS18B20_uSD_Logger MAXREFDES130_131_Demo ... more
Superseded by MaximInterface.
Masters/TARGET_Maxim/MCU_OWM.cpp@140:6f32bf635c9d, 2017-02-17 (annotated)
- Committer:
- j3
- Date:
- Fri Feb 17 19:09:11 2017 +0000
- Revision:
- 140:6f32bf635c9d
Added support for owm peripheral in M4F micros; MAX32620, 625, 630
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
j3 | 140:6f32bf635c9d | 1 | /******************************************************************//** |
j3 | 140:6f32bf635c9d | 2 | * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. |
j3 | 140:6f32bf635c9d | 3 | * |
j3 | 140:6f32bf635c9d | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
j3 | 140:6f32bf635c9d | 5 | * copy of this software and associated documentation files (the "Software"), |
j3 | 140:6f32bf635c9d | 6 | * to deal in the Software without restriction, including without limitation |
j3 | 140:6f32bf635c9d | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
j3 | 140:6f32bf635c9d | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
j3 | 140:6f32bf635c9d | 9 | * Software is furnished to do so, subject to the following conditions: |
j3 | 140:6f32bf635c9d | 10 | * |
j3 | 140:6f32bf635c9d | 11 | * The above copyright notice and this permission notice shall be included |
j3 | 140:6f32bf635c9d | 12 | * in all copies or substantial portions of the Software. |
j3 | 140:6f32bf635c9d | 13 | * |
j3 | 140:6f32bf635c9d | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
j3 | 140:6f32bf635c9d | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
j3 | 140:6f32bf635c9d | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
j3 | 140:6f32bf635c9d | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
j3 | 140:6f32bf635c9d | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
j3 | 140:6f32bf635c9d | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
j3 | 140:6f32bf635c9d | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
j3 | 140:6f32bf635c9d | 21 | * |
j3 | 140:6f32bf635c9d | 22 | * Except as contained in this notice, the name of Maxim Integrated |
j3 | 140:6f32bf635c9d | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
j3 | 140:6f32bf635c9d | 24 | * Products, Inc. Branding Policy. |
j3 | 140:6f32bf635c9d | 25 | * |
j3 | 140:6f32bf635c9d | 26 | * The mere transfer of this software does not imply any licenses |
j3 | 140:6f32bf635c9d | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
j3 | 140:6f32bf635c9d | 28 | * trademarks, maskwork rights, or any other form of intellectual |
j3 | 140:6f32bf635c9d | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
j3 | 140:6f32bf635c9d | 30 | * ownership rights. |
j3 | 140:6f32bf635c9d | 31 | **********************************************************************/ |
j3 | 140:6f32bf635c9d | 32 | |
j3 | 140:6f32bf635c9d | 33 | #if defined(TARGET_MAX32620) || defined(TARGET_MAX32625) || defined(TARGET_MAX32630) |
j3 | 140:6f32bf635c9d | 34 | |
j3 | 140:6f32bf635c9d | 35 | #include "MCU_OWM.h" |
j3 | 140:6f32bf635c9d | 36 | |
j3 | 140:6f32bf635c9d | 37 | using namespace OneWire; |
j3 | 140:6f32bf635c9d | 38 | |
j3 | 140:6f32bf635c9d | 39 | MCU_OWM::MCU_OWM(bool extWeakPup, bool extStrongPup) |
j3 | 140:6f32bf635c9d | 40 | { |
j3 | 140:6f32bf635c9d | 41 | m_sysCfgOwm.clk_scale = CLKMAN_SCALE_AUTO; |
j3 | 140:6f32bf635c9d | 42 | |
j3 | 140:6f32bf635c9d | 43 | if(extStrongPup) |
j3 | 140:6f32bf635c9d | 44 | { |
j3 | 140:6f32bf635c9d | 45 | m_owmCfg.ext_pu_mode = OWM_EXT_PU_ACT_LOW; |
j3 | 140:6f32bf635c9d | 46 | ioman_cfg_t cfg = IOMAN_OWM(1, 1); |
j3 | 140:6f32bf635c9d | 47 | m_sysCfgOwm.io_cfg = cfg; |
j3 | 140:6f32bf635c9d | 48 | } |
j3 | 140:6f32bf635c9d | 49 | else |
j3 | 140:6f32bf635c9d | 50 | { |
j3 | 140:6f32bf635c9d | 51 | m_owmCfg.ext_pu_mode = OWM_EXT_PU_UNUSED; |
j3 | 140:6f32bf635c9d | 52 | ioman_cfg_t cfg = IOMAN_OWM(1, 0); |
j3 | 140:6f32bf635c9d | 53 | m_sysCfgOwm.io_cfg = cfg; |
j3 | 140:6f32bf635c9d | 54 | } |
j3 | 140:6f32bf635c9d | 55 | |
j3 | 140:6f32bf635c9d | 56 | if(extWeakPup) |
j3 | 140:6f32bf635c9d | 57 | { |
j3 | 140:6f32bf635c9d | 58 | m_owmCfg.int_pu_en = 0; |
j3 | 140:6f32bf635c9d | 59 | } |
j3 | 140:6f32bf635c9d | 60 | else |
j3 | 140:6f32bf635c9d | 61 | { |
j3 | 140:6f32bf635c9d | 62 | m_owmCfg.int_pu_en = 1; |
j3 | 140:6f32bf635c9d | 63 | } |
j3 | 140:6f32bf635c9d | 64 | |
j3 | 140:6f32bf635c9d | 65 | m_owmCfg.long_line_mode = 0; |
j3 | 140:6f32bf635c9d | 66 | m_owmCfg.overdrive_spec = OWM_OVERDRIVE_UNUSED; |
j3 | 140:6f32bf635c9d | 67 | } |
j3 | 140:6f32bf635c9d | 68 | |
j3 | 140:6f32bf635c9d | 69 | //********************************************************************** |
j3 | 140:6f32bf635c9d | 70 | bool MCU_OWM::extStrongPup() const |
j3 | 140:6f32bf635c9d | 71 | { |
j3 | 140:6f32bf635c9d | 72 | return m_owmCfg.ext_pu_mode == OWM_EXT_PU_ACT_LOW; |
j3 | 140:6f32bf635c9d | 73 | } |
j3 | 140:6f32bf635c9d | 74 | |
j3 | 140:6f32bf635c9d | 75 | //********************************************************************** |
j3 | 140:6f32bf635c9d | 76 | OneWireMaster::CmdResult MCU_OWM::OWInitMaster() |
j3 | 140:6f32bf635c9d | 77 | { |
j3 | 140:6f32bf635c9d | 78 | OneWireMaster::CmdResult result = OneWireMaster::OperationFailure; |
j3 | 140:6f32bf635c9d | 79 | |
j3 | 140:6f32bf635c9d | 80 | if(OWM_Init(MXC_OWM, &m_owmCfg, &m_sysCfgOwm) == E_NO_ERROR) |
j3 | 140:6f32bf635c9d | 81 | { |
j3 | 140:6f32bf635c9d | 82 | result = OneWireMaster::Success; |
j3 | 140:6f32bf635c9d | 83 | } |
j3 | 140:6f32bf635c9d | 84 | |
j3 | 140:6f32bf635c9d | 85 | return result; |
j3 | 140:6f32bf635c9d | 86 | } |
j3 | 140:6f32bf635c9d | 87 | |
j3 | 140:6f32bf635c9d | 88 | //********************************************************************** |
j3 | 140:6f32bf635c9d | 89 | OneWireMaster::CmdResult MCU_OWM::OWReset() |
j3 | 140:6f32bf635c9d | 90 | { |
j3 | 140:6f32bf635c9d | 91 | OneWireMaster::CmdResult result = OneWireMaster::OperationFailure; |
j3 | 140:6f32bf635c9d | 92 | |
j3 | 140:6f32bf635c9d | 93 | if(OWM_Reset(MXC_OWM)) |
j3 | 140:6f32bf635c9d | 94 | { |
j3 | 140:6f32bf635c9d | 95 | result = OneWireMaster::Success; |
j3 | 140:6f32bf635c9d | 96 | } |
j3 | 140:6f32bf635c9d | 97 | return result; |
j3 | 140:6f32bf635c9d | 98 | } |
j3 | 140:6f32bf635c9d | 99 | |
j3 | 140:6f32bf635c9d | 100 | //********************************************************************** |
j3 | 140:6f32bf635c9d | 101 | OneWireMaster::CmdResult MCU_OWM::OWTouchBitSetLevel(uint8_t & sendRecvBit, OWLevel afterLevel) |
j3 | 140:6f32bf635c9d | 102 | { |
j3 | 140:6f32bf635c9d | 103 | OneWireMaster::CmdResult result = OneWireMaster::OperationFailure; |
j3 | 140:6f32bf635c9d | 104 | |
j3 | 140:6f32bf635c9d | 105 | sendRecvBit = OWM_TouchBit(MXC_OWM, sendRecvBit); |
j3 | 140:6f32bf635c9d | 106 | |
j3 | 140:6f32bf635c9d | 107 | if(extStrongPup()) |
j3 | 140:6f32bf635c9d | 108 | { |
j3 | 140:6f32bf635c9d | 109 | result = OWSetLevel(afterLevel); |
j3 | 140:6f32bf635c9d | 110 | } |
j3 | 140:6f32bf635c9d | 111 | else |
j3 | 140:6f32bf635c9d | 112 | { |
j3 | 140:6f32bf635c9d | 113 | result = OneWireMaster::Success; |
j3 | 140:6f32bf635c9d | 114 | } |
j3 | 140:6f32bf635c9d | 115 | |
j3 | 140:6f32bf635c9d | 116 | return result; |
j3 | 140:6f32bf635c9d | 117 | } |
j3 | 140:6f32bf635c9d | 118 | |
j3 | 140:6f32bf635c9d | 119 | //********************************************************************** |
j3 | 140:6f32bf635c9d | 120 | OneWireMaster::CmdResult MCU_OWM::OWWriteByteSetLevel(uint8_t sendByte, OWLevel afterLevel) |
j3 | 140:6f32bf635c9d | 121 | { |
j3 | 140:6f32bf635c9d | 122 | OneWireMaster::CmdResult result = OneWireMaster::OperationFailure; |
j3 | 140:6f32bf635c9d | 123 | |
j3 | 140:6f32bf635c9d | 124 | if(OWM_WriteByte(MXC_OWM, sendByte) == E_NO_ERROR) |
j3 | 140:6f32bf635c9d | 125 | { |
j3 | 140:6f32bf635c9d | 126 | if(extStrongPup()) |
j3 | 140:6f32bf635c9d | 127 | { |
j3 | 140:6f32bf635c9d | 128 | result = OWSetLevel(afterLevel); |
j3 | 140:6f32bf635c9d | 129 | } |
j3 | 140:6f32bf635c9d | 130 | else |
j3 | 140:6f32bf635c9d | 131 | { |
j3 | 140:6f32bf635c9d | 132 | result = OneWireMaster::Success; |
j3 | 140:6f32bf635c9d | 133 | } |
j3 | 140:6f32bf635c9d | 134 | } |
j3 | 140:6f32bf635c9d | 135 | |
j3 | 140:6f32bf635c9d | 136 | return result; |
j3 | 140:6f32bf635c9d | 137 | } |
j3 | 140:6f32bf635c9d | 138 | |
j3 | 140:6f32bf635c9d | 139 | //********************************************************************** |
j3 | 140:6f32bf635c9d | 140 | OneWireMaster::CmdResult MCU_OWM::OWReadByteSetLevel(uint8_t & recvByte, OWLevel afterLevel) |
j3 | 140:6f32bf635c9d | 141 | { |
j3 | 140:6f32bf635c9d | 142 | OneWireMaster::CmdResult result = OneWireMaster::OperationFailure; |
j3 | 140:6f32bf635c9d | 143 | |
j3 | 140:6f32bf635c9d | 144 | recvByte = OWM_ReadByte(MXC_OWM); |
j3 | 140:6f32bf635c9d | 145 | |
j3 | 140:6f32bf635c9d | 146 | if(extStrongPup()) |
j3 | 140:6f32bf635c9d | 147 | { |
j3 | 140:6f32bf635c9d | 148 | result = OWSetLevel(afterLevel); |
j3 | 140:6f32bf635c9d | 149 | } |
j3 | 140:6f32bf635c9d | 150 | else |
j3 | 140:6f32bf635c9d | 151 | { |
j3 | 140:6f32bf635c9d | 152 | result = OneWireMaster::Success; |
j3 | 140:6f32bf635c9d | 153 | } |
j3 | 140:6f32bf635c9d | 154 | |
j3 | 140:6f32bf635c9d | 155 | return result; |
j3 | 140:6f32bf635c9d | 156 | } |
j3 | 140:6f32bf635c9d | 157 | |
j3 | 140:6f32bf635c9d | 158 | //********************************************************************** |
j3 | 140:6f32bf635c9d | 159 | OneWireMaster::CmdResult MCU_OWM::OWSetSpeed(OWSpeed newSpeed) |
j3 | 140:6f32bf635c9d | 160 | { |
j3 | 140:6f32bf635c9d | 161 | OneWireMaster::CmdResult result = OneWireMaster::Success; |
j3 | 140:6f32bf635c9d | 162 | |
j3 | 140:6f32bf635c9d | 163 | if(newSpeed == OneWireMaster::OverdriveSpeed) |
j3 | 140:6f32bf635c9d | 164 | { |
j3 | 140:6f32bf635c9d | 165 | OWM_SetOverdrive(MXC_OWM, 1); |
j3 | 140:6f32bf635c9d | 166 | } |
j3 | 140:6f32bf635c9d | 167 | else if(newSpeed == OneWireMaster::StandardSpeed) |
j3 | 140:6f32bf635c9d | 168 | { |
j3 | 140:6f32bf635c9d | 169 | OWM_SetOverdrive(MXC_OWM, 0); |
j3 | 140:6f32bf635c9d | 170 | } |
j3 | 140:6f32bf635c9d | 171 | else |
j3 | 140:6f32bf635c9d | 172 | { |
j3 | 140:6f32bf635c9d | 173 | result = OneWireMaster::OperationFailure; |
j3 | 140:6f32bf635c9d | 174 | } |
j3 | 140:6f32bf635c9d | 175 | |
j3 | 140:6f32bf635c9d | 176 | return result; |
j3 | 140:6f32bf635c9d | 177 | } |
j3 | 140:6f32bf635c9d | 178 | |
j3 | 140:6f32bf635c9d | 179 | //********************************************************************** |
j3 | 140:6f32bf635c9d | 180 | OneWireMaster::CmdResult MCU_OWM::OWSetLevel(OWLevel newLevel) |
j3 | 140:6f32bf635c9d | 181 | { |
j3 | 140:6f32bf635c9d | 182 | OneWireMaster::CmdResult result = OneWireMaster::OperationFailure; |
j3 | 140:6f32bf635c9d | 183 | |
j3 | 140:6f32bf635c9d | 184 | if(extStrongPup()) |
j3 | 140:6f32bf635c9d | 185 | { |
j3 | 140:6f32bf635c9d | 186 | if(newLevel == OneWireMaster::StrongLevel) |
j3 | 140:6f32bf635c9d | 187 | { |
j3 | 140:6f32bf635c9d | 188 | OWM_SetExtPullup(MXC_OWM, 1); |
j3 | 140:6f32bf635c9d | 189 | } |
j3 | 140:6f32bf635c9d | 190 | else |
j3 | 140:6f32bf635c9d | 191 | { |
j3 | 140:6f32bf635c9d | 192 | OWM_SetExtPullup(MXC_OWM, 0); |
j3 | 140:6f32bf635c9d | 193 | } |
j3 | 140:6f32bf635c9d | 194 | |
j3 | 140:6f32bf635c9d | 195 | result = OneWireMaster::Success; |
j3 | 140:6f32bf635c9d | 196 | } |
j3 | 140:6f32bf635c9d | 197 | |
j3 | 140:6f32bf635c9d | 198 | return result; |
j3 | 140:6f32bf635c9d | 199 | } |
j3 | 140:6f32bf635c9d | 200 | |
j3 | 140:6f32bf635c9d | 201 | #endif /* TARGET_MAX326xx */ |
j3 | 140:6f32bf635c9d | 202 |