/*
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GPIO MODULE
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Copyright (C) 2017-2019 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#pragma once
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#include "espurna.h"
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#include "libs/BasePin.h"
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enum class GpioType : int {
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None,
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Hardware,
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Mcp23s08
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};
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class GpioBase {
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public:
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virtual const char* id() const = 0;
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virtual size_t pins() const = 0;
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virtual bool lock(unsigned char index) const = 0;
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virtual void lock(unsigned char index, bool value) = 0;
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virtual bool valid(unsigned char index) const = 0;
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virtual BasePinPtr pin(unsigned char index) = 0;
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};
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GpioBase& hardwareGpio();
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GpioBase* gpioBase(GpioType);
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BasePinPtr gpioRegister(GpioBase& base, unsigned char gpio);
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BasePinPtr gpioRegister(unsigned char gpio);
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void gpioSetup();
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inline size_t gpioPins(const GpioBase& base) {
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return base.pins();
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}
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inline size_t gpioPins() {
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return gpioPins(hardwareGpio());
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}
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inline bool gpioValid(const GpioBase& base, unsigned char gpio) {
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return base.valid(gpio);
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}
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inline bool gpioValid(unsigned char gpio) {
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return gpioValid(hardwareGpio(), gpio);
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}
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inline bool gpioLock(GpioBase& base, unsigned char gpio, bool value) {
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if (base.valid(gpio)) {
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bool old = base.lock(gpio);
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base.lock(gpio, value);
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return (value != old);
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}
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return false;
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}
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inline bool gpioLock(GpioBase& base, unsigned char gpio) {
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return gpioLock(base, gpio, true);
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}
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inline bool gpioLock(unsigned char gpio) {
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return gpioLock(hardwareGpio(), gpio);
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}
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inline bool gpioUnlock(GpioBase& base, unsigned char gpio) {
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return gpioLock(base, gpio, false);
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}
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inline bool gpioUnlock(unsigned char gpio) {
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return gpioUnlock(hardwareGpio(), gpio);
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}
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inline bool gpioLocked(const GpioBase& base, unsigned char gpio) {
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if (base.valid(gpio)) {
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return base.lock(gpio);
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}
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return false;
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}
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inline bool gpioLocked(unsigned char gpio) {
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return gpioLocked(hardwareGpio(), gpio);
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}
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