gpio.hpp

#include <stm32f3xx.h>

#ifndef PERIPHERAL_BASE_HPP_
#define PERIPHERAL_BASE_HPP_

class GpioConfig {
public:
	GpioConfig() : mode(PinMode::INPUT), outputtype(PinOutputType::PP), speed(PinSpeed::LOW),
	pull(PinPull::FLOATING), alternateFunc(0) {};
	enum struct PinMode {
		INPUT = 0x00, GPIO_OUTPUT = 0x01, ALTERNATE = 0x02, ANALOG = 0x03
	} mode;
	enum struct PinOutputType {
		PP = 0, OD = 1
	} outputtype;

	enum struct PinSpeed {
		LOW = 0x00, MEDIUM = 0x01, HIGH = 0x03
	} speed;
	enum struct PinPull {
		FLOATING = 0x00, PULLUP = 0x01, PULLDOWN = 0x02
	} pull;
	uint8_t alternateFunc;

};

class Gpio {
	using PinName = uint8_t;
public:
	Gpio();
	Gpio(GPIO_TypeDef *gpio, PinName pin, GpioConfig pd);
	Gpio(GPIO_TypeDef *gpio, PinName pin, GpioConfig::PinMode mode = GpioConfig::PinMode::GPIO_OUTPUT);
	void configure(GPIO_TypeDef *gpio, PinName pin, GpioConfig pd);
	void configure(GPIO_TypeDef *gpio, PinName pin, GpioConfig::PinMode mode = GpioConfig::PinMode::GPIO_OUTPUT);
	void setMode(GpioConfig::PinMode mode);

	// operator overloads
	uint8_t operator=(bool);
	uint8_t operator^(bool);
	uint8_t operator^=(bool);

	bool getValue();

private:
	static void allGpioInit();
	GPIO_TypeDef *Instance;
	PinName pin;
	GpioConfig config;
	static uint8_t instancesNum;
};


#endif /* PERIPHERAL_BASE_HPP_ */