Marcelo Aquino
2e0f6b6229
RPi and Linux refactor. Add GPIO Sysfs for GPIO operations. Update configure script. Fix some cppcheck warnings. Add serial emulation that prints to stdout. Fix some file headers.
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
/*
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* The MySensors Arduino library handles the wireless radio link and protocol
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* between your home built sensors/actuators and HA controller of choice.
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* The sensors forms a self healing radio network with optional repeaters. Each
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* repeater and gateway builds a routing tables in EEPROM which keeps track of the
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* network topology allowing messages to be routed to nodes.
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*
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* Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
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* Copyright (C) 2013-2017 Sensnology AB
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* Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors
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*
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* Documentation: http://www.mysensors.org
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* Support Forum: http://forum.mysensors.org
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*/
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#ifndef RPi_h
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#define RPi_h
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#include <stdint.h>
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#include "bcm2835.h"
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#include "cpuinfo.h"
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#define INPUT BCM2835_GPIO_FSEL_INPT
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#define OUTPUT BCM2835_GPIO_FSEL_OUTP
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/**
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* @brief RPi class
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*/
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class RPi
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{
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public:
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/**
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* @brief RPi constructor.
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*/
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RPi();
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/**
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* @brief RPi destructor.
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*/
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~RPi();
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/**
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* @brief Configures the specified pin to behave either as an input or an output.
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*
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* @param physPin The physical number of the pin.
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* @param mode INPUT or OUTPUT.
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*/
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void pinMode(uint8_t physPin, uint8_t mode);
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/**
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* @brief Write a high or a low value for the given pin.
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*
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* @param physPin The physical number of the pin.
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* @param value HIGH or LOW.
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*/
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void digitalWrite(uint8_t physPin, uint8_t value);
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/**
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* @brief Reads the value from a specified pin.
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*
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* @param physPin The physical number of the pin.
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* @return HIGH or LOW.
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*/
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uint8_t digitalRead(uint8_t physPin);
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/**
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* @brief Translate the physical pin number to the GPIO number for use in interrupt.
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*
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* @param physPin The physical number of the pin.
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* @return The GPIO pin number.
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*/
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uint8_t digitalPinToInterrupt(uint8_t physPin);
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/**
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* @brief Translate the physical pin number to the GPIO number.
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*
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* @param physPin The physical number of the pin.
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* @param gpio Pointer to write the GPIO pin number when success.
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* @return -1 if FAILURE or 0 if SUCCESS.
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*/
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static int physToGPIO(uint8_t physPin, uint8_t *gpio);
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private:
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static const int *pin_to_gpio; //!< @brief Pointer to array of GPIO pins numbers.
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static rpi_info rpiinfo; //!< @brief Board information.
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};
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extern RPi rpi;
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#endif
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