A feature complete driver for the LM75B temperature sensor from NXP.
Fork of LM75B by
Diff: LM75B.cpp
- Revision:
- 2:9ecc39b2ca70
- Parent:
- 1:3da8df4319e8
- Child:
- 3:9d68eed28bfb
--- a/LM75B.cpp Wed Jul 31 22:11:31 2013 +0000 +++ b/LM75B.cpp Thu Aug 01 16:41:49 2013 +0000 @@ -1,169 +1,170 @@ -/* Copyright (c) 2013 Neil Thiessen, MIT License +/* LM75B Driver Library + * Copyright (c) 2013 Neil Thiessen, MIT License * - * 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 + * 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 + * 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 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * 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 THE AUTHORS OR COPYRIGHT HOLDERS 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. */ #include "LM75B.h" #include "mbed.h" -LM75B::LM75B(PinName sda, PinName scl, int addr) : _i2c(sda, scl) +LM75B::LM75B(PinName sda, PinName scl, Address addr) : _i2c(sda, scl) { //Set the internal device address - _addr = addr; + _addr = (int)addr; } -LM75B_Power_t LM75B::getPowerMode(void) +LM75B::PowerMode LM75B::getPowerMode(void) { //Read the 8-bit register value - char value = _read8(LM75B_REG_CONF); + char value = _read8(__LM75B_REG_CONF); //Return the status of the SHUTDOWN bit if (value & (1 << 0)) - return LM75B_Power_Shutdown; + return POWER_SHUTDOWN; else - return LM75B_Power_Normal; + return POWER_NORMAL; } -void LM75B::setPowerMode(LM75B_Power_t mode) +void LM75B::setPowerMode(PowerMode mode) { //Read the current 8-bit register value - char value = _read8(LM75B_REG_CONF); + char value = _read8(__LM75B_REG_CONF); //Set or clear the SHUTDOWN bit - if (mode == LM75B_Power_Shutdown) + if (mode == POWER_SHUTDOWN) value |= (1 << 0); else value &= ~(1 << 0); //Write the value back out - _write8(LM75B_REG_CONF, value); + _write8(__LM75B_REG_CONF, value); } -LM75B_OS_Mode_t LM75B::getOSMode(void) +LM75B::OSMode LM75B::getOSMode(void) { //Read the 8-bit register value - char value = _read8(LM75B_REG_CONF); + char value = _read8(__LM75B_REG_CONF); //Return the status of the OS_COMP_INT bit if (value & (1 << 1)) - return LM75B_OS_Interrupt; + return OS_INTERRUPT; else - return LM75B_OS_Comparator; + return OS_COMPARATOR; } -void LM75B::setOSMode(LM75B_OS_Mode_t mode) +void LM75B::setOSMode(OSMode mode) { //Read the current 8-bit register value - char value = _read8(LM75B_REG_CONF); + char value = _read8(__LM75B_REG_CONF); //Set or clear the OS_COMP_INT bit - if (mode == LM75B_OS_Interrupt) + if (mode == OS_INTERRUPT) value |= (1 << 1); else value &= ~(1 << 1); //Write the value back out - _write8(LM75B_REG_CONF, value); + _write8(__LM75B_REG_CONF, value); } -LM75B_OS_Polarity_t LM75B::getOSPolarity(void) +LM75B::OSPolarity LM75B::getOSPolarity(void) { //Read the 8-bit register value - char value = _read8(LM75B_REG_CONF); + char value = _read8(__LM75B_REG_CONF); //Return the status of the OS_POL bit if (value & (1 << 2)) - return LM75B_OS_ActiveHigh; + return OS_ACTIVE_HIGH; else - return LM75B_OS_ActiveLow; + return OS_ACTIVE_LOW; } -void LM75B::setOSPolarity(LM75B_OS_Polarity_t polarity) +void LM75B::setOSPolarity(OSPolarity polarity) { //Read the current 8-bit register value - char value = _read8(LM75B_REG_CONF); + char value = _read8(__LM75B_REG_CONF); //Set or clear the OS_POL bit - if (polarity == LM75B_OS_ActiveHigh) + if (polarity == OS_ACTIVE_HIGH) value |= (1 << 2); else value &= ~(1 << 2); //Write the value back out - _write8(LM75B_REG_CONF, value); + _write8(__LM75B_REG_CONF, value); } -LM75B_OS_FaultQueue_t LM75B::getOSFaultQueue(void) +LM75B::OSFaultQueue LM75B::getOSFaultQueue(void) { //Read the 8-bit register value - char value = _read8(LM75B_REG_CONF); + char value = _read8(__LM75B_REG_CONF); //Return the status of the OS_F_QUE bits if ((value & (1 << 3)) && (value & (1 << 4))) - return LM75B_OS_FaultQueue_6; + return OS_FAULT_QUEUE_6; else if (!(value & (1 << 3)) && (value & (1 << 4))) - return LM75B_OS_FaultQueue_4; + return OS_FAULT_QUEUE_4; else if ((value & (1 << 3)) && !(value & (1 << 4))) - return LM75B_OS_FaultQueue_2; + return OS_FAULT_QUEUE_2; else - return LM75B_OS_FaultQueue_1; + return OS_FAULT_QUEUE_1; } -void LM75B::setOSFaultQueue(LM75B_OS_FaultQueue_t queue) +void LM75B::setOSFaultQueue(OSFaultQueue queue) { //Read the current 8-bit register value - char value = _read8(LM75B_REG_CONF); + char value = _read8(__LM75B_REG_CONF); //Clear the old OS_F_QUE bits value &= ~(3 << 3); //Set the new OS_F_QUE bits - if (queue == LM75B_OS_FaultQueue_2) + if (queue == OS_FAULT_QUEUE_2) value |= (1 << 3); - else if (queue == LM75B_OS_FaultQueue_4) + else if (queue == OS_FAULT_QUEUE_4) value |= (2 << 3); - else if (queue == LM75B_OS_FaultQueue_6) + else if (queue == OS_FAULT_QUEUE_6) value |= (3 << 3); //Write the value back out - _write8(LM75B_REG_CONF, value); + _write8(__LM75B_REG_CONF, value); } float LM75B::getAlertTemp(void) { //Use the 9-bit helper to read the TOS register - return _readTempHelper(LM75B_REG_TOS); + return _readTempHelper(__LM75B_REG_TOS); } void LM75B::setAlertTemp(float temp) { //Use the 9-bit helper to write to the TOS register - return _writeTempHelper(LM75B_REG_TOS, temp); + return _writeTempHelper(__LM75B_REG_TOS, temp); } float LM75B::getAlertHyst(void) { //Use the 9-bit helper to read the THYST register - return _readTempHelper(LM75B_REG_THYST); + return _readTempHelper(__LM75B_REG_THYST); } void LM75B::setAlertHyst(float temp) { //Use the 9-bit helper to write to the THYST register - return _writeTempHelper(LM75B_REG_THYST, temp); + return _writeTempHelper(__LM75B_REG_THYST, temp); } float LM75B::getTemp(void) @@ -172,7 +173,7 @@ short value; //Read the 11-bit raw temperature value - value = _read16(LM75B_REG_TEMP) >> 5; + value = _read16(__LM75B_REG_TEMP) >> 5; //Sign extend negative numbers if (value & (1 << 10))