Fork of MAX14690 library
Fork of MAX14690 by
MAX14720.cpp
- Committer:
- jessexm
- Date:
- 2016-10-19
- Revision:
- 8:2c3f2da51c5d
- Parent:
- 7:2e9f6e70b34f
File content as of revision 8:2c3f2da51c5d:
/******************************************************************************* * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of Maxim Integrated * Products, Inc. shall not be used except as stated in the Maxim Integrated * Products, Inc. Branding Policy. * * The mere transfer of this software does not imply any licenses * of trade secrets, proprietary technology, copyrights, patents, * trademarks, maskwork rights, or any other form of intellectual * property whatsoever. Maxim Integrated Products, Inc. retains all * ownership rights. ******************************************************************************* */ #include "MAX14720.h" //****************************************************************************** MAX14720::MAX14720(PinName sda, PinName scl, int slaveAddress) : slaveAddress(slaveAddress) { i2c = new I2C(sda,scl); isOwner = true; clkDivEn = false; clkDivSet = 0; boostISet = BOOST_ISET_100mA; boostMillivolts = 3300; boostEn = BOOST_DISABLED; boostEMI = false; boostInd = false; boostHysOff = false; boostPasDsc = false; boostActDsc = false; buckMd = BUCK_BURST; buckFst = false; buckISet = BUCK_ISET_300mA; buckCfg = false; buckInd = false; buckHysOff = true; buckMinOT = true; buckInteg = true; buckPasDsc = false; buckActDsc = false; buckFScl = false; } //****************************************************************************** MAX14720::MAX14720(I2C *i2c, int slaveAddress) : slaveAddress(slaveAddress) { this->i2c = i2c; isOwner = false; clkDivEn = false; clkDivSet = 0; boostISet = BOOST_ISET_100mA; boostMillivolts = 3300; boostEn = BOOST_DISABLED; boostEMI = false; boostInd = false; boostHysOff = false; boostPasDsc = false; boostActDsc = false; buckMd = BUCK_BURST; buckFst = false; buckISet = BUCK_ISET_300mA; buckCfg = false; buckInd = false; buckHysOff = true; buckMinOT = true; buckInteg = true; buckPasDsc = false; buckActDsc = false; buckFScl = false; } //****************************************************************************** MAX14720::~MAX14720() { if (isOwner == true) { delete i2c; } } //****************************************************************************** int MAX14720::boostSetMode(boostEn_t mode) { char data; boostEn = mode; data = (boostEn << 3) | (boostEMI << 1) | (boostInd); return writeReg(REG_BOOST_CFG, data); } //****************************************************************************** int MAX14720::boostSetVoltage(int mV) { char data; if ((MAX14720_BOOST_MIN_MV <= mV) && (mV <= MAX14720_BOOST_MAX_MV)) { boostMillivolts = mV; data = (mV - MAX14720_BOOST_MIN_MV) / MAX14720_BOOST_STEP_MV; } else { return MAX14720_ERROR; } if (boostEn == BOOST_ENABLED) { if (writeReg(REG_BOOST_CFG, 0x00) != MAX14720_NO_ERROR) { return MAX14720_ERROR; } } if (writeReg(REG_BOOST_VSET, data) != MAX14720_NO_ERROR) { return MAX14720_ERROR; } if (boostEn == BOOST_ENABLED) { data = (boostEn << 3) | (boostEMI << 1) | (boostInd); if (writeReg(REG_BOOST_CFG, data) != MAX14720_NO_ERROR) { return MAX14720_ERROR; } } return MAX14720_NO_ERROR; } //****************************************************************************** int MAX14720::init() { char data; data = (clkDivEn << 7) | (clkDivSet); if (writeReg(REG_BOOST_CDIV, data) != MAX14720_NO_ERROR) { return MAX14720_ERROR; } data = (boostISet); if (writeReg(REG_BOOST_ISET, data) != MAX14720_NO_ERROR) { return MAX14720_ERROR; } if ((MAX14720_BOOST_MIN_MV <= boostMillivolts) && (boostMillivolts <= MAX14720_BOOST_MAX_MV)) { data = (boostMillivolts - MAX14720_BOOST_MIN_MV) / MAX14720_BOOST_STEP_MV; if (writeReg(REG_BOOST_VSET, data) != MAX14720_NO_ERROR) { return MAX14720_ERROR; } } else { return MAX14720_ERROR; } data = (buckMd << 1) | (buckFst); if (writeReg(REG_BUCK_CFG, data) != MAX14720_NO_ERROR) { return MAX14720_ERROR; } data = (boostHysOff << 7) | (boostPasDsc << 6) | (boostActDsc << 5) | (buckPasDsc << 2) | (buckActDsc << 1) | (buckFScl); if (writeReg(REG_BBB_EXTRA, data) != MAX14720_NO_ERROR) { return MAX14720_ERROR; } // Write Boost Enable Register Last data = (boostEn << 3) | (boostEMI << 1) | (boostInd); if (writeReg(REG_BOOST_CFG, data) != MAX14720_NO_ERROR) { return MAX14720_ERROR; } return MAX14720_NO_ERROR; } //****************************************************************************** int MAX14720::monSet(monCfg_t monCfg) { return writeReg(REG_MON_CFG, monCfg); } //****************************************************************************** int MAX14720::shutdown() { return writeReg(REG_PWR_OFF, 0xB2); } //****************************************************************************** int MAX14720::writeReg(registers_t reg, char value) { char cmdData[2] = { (char)reg, value }; if (i2c->write(slaveAddress, cmdData, sizeof(cmdData)) != 0) { return MAX14720_ERROR; } return MAX14720_NO_ERROR; } //****************************************************************************** int MAX14720::readReg(registers_t reg, char *value) { char cmdData[1] = { (char)reg }; if (i2c->write(slaveAddress, cmdData, sizeof(cmdData)) != 0) { return MAX14720_ERROR; } if (i2c->read(slaveAddress, value, 1) != 0) { return MAX14720_ERROR; } return MAX14720_NO_ERROR; }