crf replace by lf
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9 changed files with 2389 additions and 2390 deletions
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#ifndef DallasTemperature_h
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#define DallasTemperature_h
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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// set to true to include code for new and delete operators
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#ifndef REQUIRESNEW
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#define REQUIRESNEW false
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#endif
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// set to true to include code implementing alarm search functions
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#ifndef REQUIRESALARMS
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#define REQUIRESALARMS true
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#endif
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#include <inttypes.h>
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#include <OneWire.h>
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// Model IDs
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#define DS18S20MODEL 0x10
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#define DS18B20MODEL 0x28
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#define DS1822MODEL 0x22
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// OneWire commands
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#define STARTCONVO 0x44 // Tells device to take a temperature reading and put it on the scratchpad
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#define COPYSCRATCH 0x48 // Copy EEPROM
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#define READSCRATCH 0xBE // Read EEPROM
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#define WRITESCRATCH 0x4E // Write to EEPROM
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#define RECALLSCRATCH 0xB8 // Reload from last known
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#define READPOWERSUPPLY 0xB4 // Determine if device needs parasite power
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#define ALARMSEARCH 0xEC // Query bus for devices with an alarm condition
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// Scratchpad locations
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#define TEMP_LSB 0
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#define TEMP_MSB 1
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#define HIGH_ALARM_TEMP 2
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#define LOW_ALARM_TEMP 3
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#define CONFIGURATION 4
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#define INTERNAL_BYTE 5
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#define COUNT_REMAIN 6
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#define COUNT_PER_C 7
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#define SCRATCHPAD_CRC 8
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// Device resolution
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#define TEMP_9_BIT 0x1F // 9 bit
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#define TEMP_10_BIT 0x3F // 10 bit
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#define TEMP_11_BIT 0x5F // 11 bit
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#define TEMP_12_BIT 0x7F // 12 bit
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// Error Codes
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#define DEVICE_DISCONNECTED -127
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typedef uint8_t DeviceAddress[8];
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class DallasTemperature
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{
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public:
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DallasTemperature(OneWire*);
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// initalize bus
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void begin(void);
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// returns the number of devices found on the bus
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uint8_t getDeviceCount(void);
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// returns true if address is valid
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bool validAddress(uint8_t*);
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// finds an address at a given index on the bus
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bool getAddress(uint8_t*, const uint8_t);
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// attempt to determine if the device at the given address is connected to the bus
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bool isConnected(uint8_t*);
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// attempt to determine if the device at the given address is connected to the bus
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// also allows for updating the read scratchpad
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bool isConnected(uint8_t*, uint8_t*);
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// read device's scratchpad
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void readScratchPad(uint8_t*, uint8_t*);
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// write device's scratchpad
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void writeScratchPad(uint8_t*, const uint8_t*);
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// read device's power requirements
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bool readPowerSupply(uint8_t*);
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// returns the current resolution, 9-12
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uint8_t getResolution(uint8_t*);
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// set resolution of a device to 9, 10, 11, or 12 bits
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void setResolution(uint8_t*, uint8_t);
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// sends command for all devices on the bus to perform a temperature conversion
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void requestTemperatures(void);
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// sends command for one device to perform a temperature conversion by address
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void requestTemperaturesByAddress(uint8_t*);
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// sends command for one device to perform a temperature conversion by index
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void requestTemperaturesByIndex(uint8_t);
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// returns temperature in degrees C
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float getTempC(uint8_t*);
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// returns temperature in degrees F
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float getTempF(uint8_t*);
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// Get temperature for device index (slow)
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float getTempCByIndex(uint8_t);
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// Get temperature for device index (slow)
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float getTempFByIndex(uint8_t);
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// returns true if the bus requires parasite power
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bool isParasitePowerMode(void);
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#if REQUIRESALARMS
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typedef void AlarmHandler(uint8_t*);
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// sets the high alarm temperature for a device
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// accepts a char. valid range is -55C - 125C
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void setHighAlarmTemp(uint8_t*, const char);
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// sets the low alarm temperature for a device
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// accepts a char. valid range is -55C - 125C
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void setLowAlarmTemp(uint8_t*, const char);
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// returns a signed char with the current high alarm temperature for a device
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// in the range -55C - 125C
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char getHighAlarmTemp(uint8_t*);
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// returns a signed char with the current low alarm temperature for a device
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// in the range -55C - 125C
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char getLowAlarmTemp(uint8_t*);
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// resets internal variables used for the alarm search
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void resetAlarmSearch(void);
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// search the wire for devices with active alarms
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bool alarmSearch(uint8_t*);
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// returns true if ia specific device has an alarm
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bool hasAlarm(uint8_t*);
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// returns true if any device is reporting an alarm on the bus
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bool hasAlarm(void);
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// runs the alarm handler for all devices returned by alarmSearch()
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void processAlarms(void);
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// sets the alarm handler
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void setAlarmHandler(AlarmHandler *);
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// The default alarm handler
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static void defaultAlarmHandler(uint8_t*);
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#endif
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// convert from celcius to farenheit
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static float toFahrenheit(const float);
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// convert from farenheit to celsius
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static float toCelsius(const float);
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#if REQUIRESNEW
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// initalize memory area
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void* operator new (unsigned int);
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// delete memory reference
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void operator delete(void*);
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#endif
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private:
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typedef uint8_t ScratchPad[9];
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// parasite power on or off
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bool parasite;
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// used to determine the delay amount needed to allow for the
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// temperature conversion to take place
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int conversionDelay;
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// count of devices on the bus
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uint8_t devices;
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// Take a pointer to one wire instance
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OneWire* _wire;
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// reads scratchpad and returns the temperature in degrees C
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float calculateTemperature(uint8_t*, uint8_t*);
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#if REQUIRESALARMS
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// required for alarmSearch
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uint8_t alarmSearchAddress[8];
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char alarmSearchJunction;
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uint8_t alarmSearchExhausted;
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// the alarm handler function pointer
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AlarmHandler *_AlarmHandler;
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#endif
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};
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#endif
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#ifndef DallasTemperature_h
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#define DallasTemperature_h
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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// set to true to include code for new and delete operators
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#ifndef REQUIRESNEW
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#define REQUIRESNEW false
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#endif
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// set to true to include code implementing alarm search functions
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#ifndef REQUIRESALARMS
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#define REQUIRESALARMS true
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#endif
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#include <inttypes.h>
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#include <OneWire.h>
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// Model IDs
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#define DS18S20MODEL 0x10
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#define DS18B20MODEL 0x28
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#define DS1822MODEL 0x22
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// OneWire commands
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#define STARTCONVO 0x44 // Tells device to take a temperature reading and put it on the scratchpad
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#define COPYSCRATCH 0x48 // Copy EEPROM
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#define READSCRATCH 0xBE // Read EEPROM
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#define WRITESCRATCH 0x4E // Write to EEPROM
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#define RECALLSCRATCH 0xB8 // Reload from last known
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#define READPOWERSUPPLY 0xB4 // Determine if device needs parasite power
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#define ALARMSEARCH 0xEC // Query bus for devices with an alarm condition
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// Scratchpad locations
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#define TEMP_LSB 0
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#define TEMP_MSB 1
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#define HIGH_ALARM_TEMP 2
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#define LOW_ALARM_TEMP 3
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#define CONFIGURATION 4
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#define INTERNAL_BYTE 5
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#define COUNT_REMAIN 6
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#define COUNT_PER_C 7
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#define SCRATCHPAD_CRC 8
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// Device resolution
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#define TEMP_9_BIT 0x1F // 9 bit
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#define TEMP_10_BIT 0x3F // 10 bit
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#define TEMP_11_BIT 0x5F // 11 bit
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#define TEMP_12_BIT 0x7F // 12 bit
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// Error Codes
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#define DEVICE_DISCONNECTED -127
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typedef uint8_t DeviceAddress[8];
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class DallasTemperature
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{
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public:
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DallasTemperature(OneWire*);
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// initalize bus
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void begin(void);
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// returns the number of devices found on the bus
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uint8_t getDeviceCount(void);
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// returns true if address is valid
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bool validAddress(uint8_t*);
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// finds an address at a given index on the bus
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bool getAddress(uint8_t*, const uint8_t);
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// attempt to determine if the device at the given address is connected to the bus
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bool isConnected(uint8_t*);
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// attempt to determine if the device at the given address is connected to the bus
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// also allows for updating the read scratchpad
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bool isConnected(uint8_t*, uint8_t*);
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// read device's scratchpad
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void readScratchPad(uint8_t*, uint8_t*);
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// write device's scratchpad
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void writeScratchPad(uint8_t*, const uint8_t*);
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// read device's power requirements
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bool readPowerSupply(uint8_t*);
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// returns the current resolution, 9-12
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uint8_t getResolution(uint8_t*);
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// set resolution of a device to 9, 10, 11, or 12 bits
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void setResolution(uint8_t*, uint8_t);
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// sends command for all devices on the bus to perform a temperature conversion
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void requestTemperatures(void);
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// sends command for one device to perform a temperature conversion by address
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void requestTemperaturesByAddress(uint8_t*);
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// sends command for one device to perform a temperature conversion by index
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void requestTemperaturesByIndex(uint8_t);
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// returns temperature in degrees C
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float getTempC(uint8_t*);
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// returns temperature in degrees F
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float getTempF(uint8_t*);
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// Get temperature for device index (slow)
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float getTempCByIndex(uint8_t);
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// Get temperature for device index (slow)
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float getTempFByIndex(uint8_t);
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// returns true if the bus requires parasite power
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bool isParasitePowerMode(void);
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#if REQUIRESALARMS
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typedef void AlarmHandler(uint8_t*);
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// sets the high alarm temperature for a device
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// accepts a char. valid range is -55C - 125C
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void setHighAlarmTemp(uint8_t*, const char);
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// sets the low alarm temperature for a device
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// accepts a char. valid range is -55C - 125C
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void setLowAlarmTemp(uint8_t*, const char);
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// returns a signed char with the current high alarm temperature for a device
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// in the range -55C - 125C
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char getHighAlarmTemp(uint8_t*);
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// returns a signed char with the current low alarm temperature for a device
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// in the range -55C - 125C
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char getLowAlarmTemp(uint8_t*);
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// resets internal variables used for the alarm search
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void resetAlarmSearch(void);
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// search the wire for devices with active alarms
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bool alarmSearch(uint8_t*);
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// returns true if ia specific device has an alarm
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bool hasAlarm(uint8_t*);
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// returns true if any device is reporting an alarm on the bus
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bool hasAlarm(void);
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// runs the alarm handler for all devices returned by alarmSearch()
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void processAlarms(void);
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// sets the alarm handler
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void setAlarmHandler(AlarmHandler *);
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// The default alarm handler
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static void defaultAlarmHandler(uint8_t*);
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#endif
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// convert from celcius to farenheit
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static float toFahrenheit(const float);
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// convert from farenheit to celsius
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static float toCelsius(const float);
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#if REQUIRESNEW
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// initalize memory area
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void* operator new (unsigned int);
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// delete memory reference
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void operator delete(void*);
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#endif
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private:
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typedef uint8_t ScratchPad[9];
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// parasite power on or off
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bool parasite;
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// used to determine the delay amount needed to allow for the
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// temperature conversion to take place
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int conversionDelay;
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// count of devices on the bus
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uint8_t devices;
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// Take a pointer to one wire instance
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OneWire* _wire;
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// reads scratchpad and returns the temperature in degrees C
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float calculateTemperature(uint8_t*, uint8_t*);
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#if REQUIRESALARMS
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// required for alarmSearch
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uint8_t alarmSearchAddress[8];
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char alarmSearchJunction;
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uint8_t alarmSearchExhausted;
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// the alarm handler function pointer
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AlarmHandler *_AlarmHandler;
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#endif
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};
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#endif
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