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| Original file line number | Diff line number | Diff line change |
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| // I2Cdev library collection - Main I2C device class header file | ||
| // Abstracts bit and byte I2C R/W functions into a convenient class | ||
| // 2013-06-05 by Jeff Rowberg <[email protected]> | ||
| // | ||
| // Changelog: | ||
| // 2015-10-30 - simondlevy : support i2c_t3 for Teensy3.1 | ||
| // 2013-05-06 - add Francesco Ferrara's Fastwire v0.24 implementation with small modifications | ||
| // 2013-05-05 - fix issue with writing bit values to words (Sasquatch/Farzanegan) | ||
| // 2012-06-09 - fix major issue with reading > 32 bytes at a time with Arduino Wire | ||
| // - add compiler warnings when using outdated or IDE or limited I2Cdev implementation | ||
| // 2011-11-01 - fix write*Bits mask calculation (thanks sasquatch @ Arduino forums) | ||
| // 2011-10-03 - added automatic Arduino version detection for ease of use | ||
| // 2011-10-02 - added Gene Knight's NBWire TwoWire class implementation with small modifications | ||
| // 2011-08-31 - added support for Arduino 1.0 Wire library (methods are different from 0.x) | ||
| // 2011-08-03 - added optional timeout parameter to read* methods to easily change from default | ||
| // 2011-08-02 - added support for 16-bit registers | ||
| // - fixed incorrect Doxygen comments on some methods | ||
| // - added timeout value for read operations (thanks mem @ Arduino forums) | ||
| // 2011-07-30 - changed read/write function structures to return success or byte counts | ||
| // - made all methods static for multi-device memory savings | ||
| // 2011-07-28 - initial release | ||
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| /* ============================================ | ||
| I2Cdev device library code is placed under the MIT license | ||
| Copyright (c) 2013 Jeff Rowberg | ||
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| 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: | ||
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| The above copyright notice and this permission notice shall be included in | ||
| all copies or substantial portions of the Software. | ||
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| 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. | ||
| =============================================== | ||
| */ | ||
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| #ifndef _I2CDEV_H_ | ||
| #define _I2CDEV_H_ | ||
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| // ----------------------------------------------------------------------------- | ||
| // I2C interface implementation setting | ||
| // ----------------------------------------------------------------------------- | ||
| #ifndef I2CDEV_IMPLEMENTATION | ||
| #define I2CDEV_IMPLEMENTATION I2CDEV_ARDUINO_WIRE | ||
| //#define I2CDEV_IMPLEMENTATION I2CDEV_BUILTIN_FASTWIRE | ||
| #endif // I2CDEV_IMPLEMENTATION | ||
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| // comment this out if you are using a non-optimal IDE/implementation setting | ||
| // but want the compiler to shut up about it | ||
| #define I2CDEV_IMPLEMENTATION_WARNINGS | ||
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| // ----------------------------------------------------------------------------- | ||
| // I2C interface implementation options | ||
| // ----------------------------------------------------------------------------- | ||
| #define I2CDEV_ARDUINO_WIRE 1 // Wire object from Arduino | ||
| #define I2CDEV_BUILTIN_NBWIRE 2 // Tweaked Wire object from Gene Knight's NBWire project | ||
| // ^^^ NBWire implementation is still buggy w/some interrupts! | ||
| #define I2CDEV_BUILTIN_FASTWIRE 3 // FastWire object from Francesco Ferrara's project | ||
| #define I2CDEV_I2CMASTER_LIBRARY 4 // I2C object from DSSCircuits I2C-Master Library at https://github.com/DSSCircuits/I2C-Master-Library | ||
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| // ----------------------------------------------------------------------------- | ||
| // Arduino-style "Serial.print" debug constant (uncomment to enable) | ||
| // ----------------------------------------------------------------------------- | ||
| //#define I2CDEV_SERIAL_DEBUG | ||
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| #ifdef ARDUINO | ||
| #if ARDUINO < 100 | ||
| #include "WProgram.h" | ||
| #else | ||
| #include "Arduino.h" | ||
| #endif | ||
| #if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO_WIRE | ||
| #include <Wire.h> | ||
| #endif | ||
| #if I2CDEV_IMPLEMENTATION == I2CDEV_I2CMASTER_LIBRARY | ||
| #include <I2C.h> | ||
| #endif | ||
| #endif | ||
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| #ifdef SPARK | ||
| #include <spark_wiring_i2c.h> | ||
| #define ARDUINO 101 | ||
| #endif | ||
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| // 1000ms default read timeout (modify with "I2Cdev::readTimeout = [ms];") | ||
| #define I2CDEV_DEFAULT_READ_TIMEOUT 1000 | ||
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| class I2Cdev { | ||
| public: | ||
| I2Cdev(); | ||
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| static int8_t readBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout); | ||
| static int8_t readBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout); | ||
| static int8_t readBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout); | ||
| static int8_t readBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout); | ||
| static int8_t readByte(uint8_t devAddr, uint8_t regAddr, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout); | ||
| static int8_t readWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout); | ||
| static int8_t readBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout); | ||
| static int8_t readWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout); | ||
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| static bool writeBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t data); | ||
| static bool writeBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data); | ||
| static bool writeBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t data); | ||
| static bool writeBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data); | ||
| static bool writeByte(uint8_t devAddr, uint8_t regAddr, uint8_t data); | ||
| static bool writeWord(uint8_t devAddr, uint8_t regAddr, uint16_t data); | ||
| static bool writeBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data); | ||
| static bool writeWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data); | ||
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| static uint16_t readTimeout; | ||
| }; | ||
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| #if I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_FASTWIRE | ||
| ////////////////////// | ||
| // FastWire 0.24 | ||
| // This is a library to help faster programs to read I2C devices. | ||
| // Copyright(C) 2012 | ||
| // Francesco Ferrara | ||
| ////////////////////// | ||
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| /* Master */ | ||
| #define TW_START 0x08 | ||
| #define TW_REP_START 0x10 | ||
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| /* Master Transmitter */ | ||
| #define TW_MT_SLA_ACK 0x18 | ||
| #define TW_MT_SLA_NACK 0x20 | ||
| #define TW_MT_DATA_ACK 0x28 | ||
| #define TW_MT_DATA_NACK 0x30 | ||
| #define TW_MT_ARB_LOST 0x38 | ||
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| /* Master Receiver */ | ||
| #define TW_MR_ARB_LOST 0x38 | ||
| #define TW_MR_SLA_ACK 0x40 | ||
| #define TW_MR_SLA_NACK 0x48 | ||
| #define TW_MR_DATA_ACK 0x50 | ||
| #define TW_MR_DATA_NACK 0x58 | ||
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| #define TW_OK 0 | ||
| #define TW_ERROR 1 | ||
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| class Fastwire { | ||
| private: | ||
| static boolean waitInt(); | ||
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| public: | ||
| static void setup(int khz, boolean pullup); | ||
| static byte beginTransmission(byte device); | ||
| static byte write(byte value); | ||
| static byte writeBuf(byte device, byte address, byte *data, byte num); | ||
| static byte readBuf(byte device, byte address, byte *data, byte num); | ||
| static void reset(); | ||
| static byte stop(); | ||
| }; | ||
| #endif | ||
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| #if I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_NBWIRE | ||
| // NBWire implementation based heavily on code by Gene Knight <[email protected]> | ||
| // Originally posted on the Arduino forum at http://arduino.cc/forum/index.php/topic,70705.0.html | ||
| // Originally offered to the i2cdevlib project at http://arduino.cc/forum/index.php/topic,68210.30.html | ||
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| #define NBWIRE_BUFFER_LENGTH 32 | ||
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| class TwoWire { | ||
| private: | ||
| static uint8_t rxBuffer[]; | ||
| static uint8_t rxBufferIndex; | ||
| static uint8_t rxBufferLength; | ||
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| static uint8_t txAddress; | ||
| static uint8_t txBuffer[]; | ||
| static uint8_t txBufferIndex; | ||
| static uint8_t txBufferLength; | ||
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| // static uint8_t transmitting; | ||
| static void (*user_onRequest)(void); | ||
| static void (*user_onReceive)(int); | ||
| static void onRequestService(void); | ||
| static void onReceiveService(uint8_t*, int); | ||
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| public: | ||
| TwoWire(); | ||
| void begin(); | ||
| void begin(uint8_t); | ||
| void begin(int); | ||
| void beginTransmission(uint8_t); | ||
| //void beginTransmission(int); | ||
| uint8_t endTransmission(uint16_t timeout=0); | ||
| void nbendTransmission(void (*function)(int)) ; | ||
| uint8_t requestFrom(uint8_t, int, uint16_t timeout=0); | ||
| //uint8_t requestFrom(int, int); | ||
| void nbrequestFrom(uint8_t, int, void (*function)(int)); | ||
| void send(uint8_t); | ||
| void send(uint8_t*, uint8_t); | ||
| //void send(int); | ||
| void send(char*); | ||
| uint8_t available(void); | ||
| uint8_t receive(void); | ||
| void onReceive(void (*)(int)); | ||
| void onRequest(void (*)(void)); | ||
| }; | ||
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| #define TWI_READY 0 | ||
| #define TWI_MRX 1 | ||
| #define TWI_MTX 2 | ||
| #define TWI_SRX 3 | ||
| #define TWI_STX 4 | ||
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| #define TW_WRITE 0 | ||
| #define TW_READ 1 | ||
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| #define TW_MT_SLA_NACK 0x20 | ||
| #define TW_MT_DATA_NACK 0x30 | ||
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| #define CPU_FREQ 16000000L | ||
| #define TWI_FREQ 100000L | ||
| #define TWI_BUFFER_LENGTH 32 | ||
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| /* TWI Status is in TWSR, in the top 5 bits: TWS7 - TWS3 */ | ||
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| #define TW_STATUS_MASK (_BV(TWS7)|_BV(TWS6)|_BV(TWS5)|_BV(TWS4)|_BV(TWS3)) | ||
| #define TW_STATUS (TWSR & TW_STATUS_MASK) | ||
| #define TW_START 0x08 | ||
| #define TW_REP_START 0x10 | ||
| #define TW_MT_SLA_ACK 0x18 | ||
| #define TW_MT_SLA_NACK 0x20 | ||
| #define TW_MT_DATA_ACK 0x28 | ||
| #define TW_MT_DATA_NACK 0x30 | ||
| #define TW_MT_ARB_LOST 0x38 | ||
| #define TW_MR_ARB_LOST 0x38 | ||
| #define TW_MR_SLA_ACK 0x40 | ||
| #define TW_MR_SLA_NACK 0x48 | ||
| #define TW_MR_DATA_ACK 0x50 | ||
| #define TW_MR_DATA_NACK 0x58 | ||
| #define TW_ST_SLA_ACK 0xA8 | ||
| #define TW_ST_ARB_LOST_SLA_ACK 0xB0 | ||
| #define TW_ST_DATA_ACK 0xB8 | ||
| #define TW_ST_DATA_NACK 0xC0 | ||
| #define TW_ST_LAST_DATA 0xC8 | ||
| #define TW_SR_SLA_ACK 0x60 | ||
| #define TW_SR_ARB_LOST_SLA_ACK 0x68 | ||
| #define TW_SR_GCALL_ACK 0x70 | ||
| #define TW_SR_ARB_LOST_GCALL_ACK 0x78 | ||
| #define TW_SR_DATA_ACK 0x80 | ||
| #define TW_SR_DATA_NACK 0x88 | ||
| #define TW_SR_GCALL_DATA_ACK 0x90 | ||
| #define TW_SR_GCALL_DATA_NACK 0x98 | ||
| #define TW_SR_STOP 0xA0 | ||
| #define TW_NO_INFO 0xF8 | ||
| #define TW_BUS_ERROR 0x00 | ||
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| //#define _MMIO_BYTE(mem_addr) (*(volatile uint8_t *)(mem_addr)) | ||
| //#define _SFR_BYTE(sfr) _MMIO_BYTE(_SFR_ADDR(sfr)) | ||
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| #ifndef sbi // set bit | ||
| #define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit)) | ||
| #endif // sbi | ||
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| #ifndef cbi // clear bit | ||
| #define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit)) | ||
| #endif // cbi | ||
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| extern TwoWire Wire; | ||
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| #endif // I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_NBWIRE | ||
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| #endif /* _I2CDEV_H_ */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| ####################################### | ||
| # Syntax Coloring Map For I2Cdev | ||
| ####################################### | ||
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| ####################################### | ||
| # Datatypes (KEYWORD1) | ||
| ####################################### | ||
| I2Cdev KEYWORD1 | ||
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| ####################################### | ||
| # Methods and Functions (KEYWORD2) | ||
| ####################################### | ||
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| readBit KEYWORD2 | ||
| readBitW KEYWORD2 | ||
| readBits KEYWORD2 | ||
| readBitsW KEYWORD2 | ||
| readByte KEYWORD2 | ||
| readBytes KEYWORD2 | ||
| readWord KEYWORD2 | ||
| readWords KEYWORD2 | ||
| writeBit KEYWORD2 | ||
| writeBitW KEYWORD2 | ||
| writeBits KEYWORD2 | ||
| writeBitsW KEYWORD2 | ||
| writeByte KEYWORD2 | ||
| writeBytes KEYWORD2 | ||
| writeWord KEYWORD2 | ||
| writeWords KEYWORD2 | ||
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| ####################################### | ||
| # Instances (KEYWORD2) | ||
| ####################################### | ||
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| ####################################### | ||
| # Constants (LITERAL1) | ||
| ####################################### | ||
|
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,13 @@ | ||
| { | ||
| "name": "I2Cdevlib-Core", | ||
| "keywords": "i2cdevlib, i2c", | ||
| "description": "The I2C Device Library (I2Cdevlib) is a collection of uniform and well-documented classes to provide simple and intuitive interfaces to I2C devices.", | ||
| "include": "Arduino/I2Cdev", | ||
| "repository": | ||
| { | ||
| "type": "git", | ||
| "url": "https://github.com/jrowberg/i2cdevlib.git" | ||
| }, | ||
| "frameworks": "arduino", | ||
| "platforms": "atmelavr" | ||
| } |
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