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王立帮
2024-07-20 22:09:06 +08:00
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arduino-cli/libraries/TCA9548A/src/TCA9548A.cpp Normal file
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/**
* @file TCA9548A.cpp
* @brief The source file of the Arduino library for the I²C Multiplexer TCA9548A.
* @author Jonas Merkle [JJM] <a href="mailto:jonas.merkle@tam-onestone.net">jonas.merkle@tam-onestone.net</a>
* @author Dominik Authaler <a href="mailto:dominik.authaler@team-onestone.net">dominik.authaler@team-onestone.net</a>
* @author
* This library is maintained by <a href="https://team-onestone.net">Team Onestone</a>.
* E-Mail: <a href="mailto:info@team-onestone.net">info@team-onestone.net</a>
* @version 1.0.2
* @date 30 October 2019
* @copyright This project is released under the GNU General Public License v3.0
*/
/**
* @mainpage Arduino library for the I²C Multiplexer TCA9548A
*
* @section intro_sec Introduction
*
* ...
*
* @section dependencies Dependencies
*
* This library depends on the <a href="https://www.arduino.cc/en/Reference/Wire">
* Wire Library</a> being present on your system. Please make sure you have
* installed the latest version before using this library.
*
* @section author Author
*
* Written by:
* - Jonas Merkle [JJM] <a href="mailto:jonas.merkle@tam-onestone.net">jonas.merkle@tam-onestone.net</a>
* - Dominik Authaler <a href="mailto:dominik.authaler@team-onestone.net">dominik.authaler@team-onestone.net</a>
*
* This library is maintained by <a href="https://team-onestone.net">Team Onestone</a>.
* E-Mail: <a href="mailto:info@team-onestone.net">info@team-onestone.net</a>
*
* @section license License
*
* This project is released under the GNU General Public License v3.0
*
*/
/////////////
// include //
/////////////
#include "TCA9548A.h"
/////////////
// defines //
/////////////
//////////////////
// constructors //
//////////////////
/**
* @brief Main construcor of the TCA9548A class.
*/
TCA9548A::TCA9548A() {
_addressTCA9548A = _TCA9548A_STD_ADDRESS;
_portTCA9548A = 255;
}
/**
* @brief Constructor of the TCA9548A class with non standard i2c address.
*
* @param address new i2c address.
*/
TCA9548A::TCA9548A(uint8_t address) {
_addressTCA9548A = address;
_portTCA9548A = 255;
}
/**
* @brief Main destructor of the TCA9548A class.
*/
TCA9548A::~TCA9548A() {
;
}
///////////////////
// init function //
///////////////////
/**
* @brief Initialize the TCA9548A Multiplexer.
*/
void TCA9548A::init() {
Wire.begin(0);
}
///////////////
// functions //
///////////////
/**
* @brief Disable the TCA9548A Multiplexer.
*/
void TCA9548A::disable() {
_portTCA9548A = 255;
// disable all ports
Wire.beginTransmission(_addressTCA9548A);
Wire.write(0);
Wire.endTransmission();
}
/**
* @brief Select the port on which the TCA9548A Multiplexer will operate.
*
* @param port the port on which the TCA9548A Multiplexer will operate.
*/
void TCA9548A::set_port(uint8_t port) {
// check if selected port is valid
if (port > 7) return;
_portTCA9548A = port;
// select port
Wire.beginTransmission(_addressTCA9548A);
Wire.write(1 << _portTCA9548A);
Wire.endTransmission();
}
/**
* @brief Get the current port on which the TCA9548A Multiplexer operates.
*
* @return the current selected port on which the TCA9548A Multiplexer operates.
*/
uint8_t TCA9548A::get_port() {
return _portTCA9548A;
}
/**
* @brief Get the version of the library.
*
* @return the current version of the library.
*/
uint16_t TCA9548A::get_version() {
return _TCA9548A_LIB_VERSION;
}

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arduino-cli/libraries/TCA9548A/src/TCA9548A.h Normal file
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/**
* @file TCA9548A.h
* @brief The header file of the Arduino library for the I²C Multiplexer TCA9548A.
* @author Jonas Merkle [JJM] <a href="mailto:jonas.merkle@tam-onestone.net">jonas.merkle@tam-onestone.net</a>
* @author Dominik Authaler <a href="mailto:dominik.authaler@team-onestone.net">dominik.authaler@team-onestone.net</a>
* @author
* This library is maintained by <a href="https://team-onestone.net">Team Onestone</a>.
* E-Mail: <a href="mailto:info@team-onestone.net">info@team-onestone.net</a>
* @version 1.0.2
* @date 30 October 2019
* @copyright This project is released under the GNU General Public License v3.0
*/
#ifndef TCA9548A_h
#define TCA9548A_h
// includes
#include <inttypes.h>
#include <Arduino.h>
#include <Wire.h>
// defines
#define _TCA9548A_STD_ADDRESS 0x70 ///< The standard i2c address of the TCA9548A.
#define _TCA9548A_LIB_VERSION 102 ///< The version number of the library.
/**
* @class TCA9548A
* @brief The main class of the Arduino library for the I²C Multiplexer TCA9548A.
*/
class TCA9548A {
// Begin PUBLIC ------------------------------------------------------------------
public:
// constructors
TCA9548A(); // Main construcor of the TCA9548A class.
TCA9548A(uint8_t address); // Constructor of the TCA9548A class with non standard i2c address.
~TCA9548A(); // Main destructor of the TCA9548A class.
// init function
void init(); // Initialize the TCA9548A Multiplexer.
// functions
void disable(); // Disable the TCA9548A Multiplexer.
void set_port(uint8_t port); // Select the port on which the TCA9548A Multiplexer will operate.
uint8_t get_port(); // Get the current port on which the TCA9548A Multiplexer operates.
uint16_t get_version(); // Get the version of the library.
// End PUBLIC --------------------------------------------------------------------
// Begin PRIVATE -----------------------------------------------------------------
private:
// variables
uint8_t _addressTCA9548A;
uint8_t _portTCA9548A;
// End PRIVATE -------------------------------------------------------------------
};
#endif