SP8EBC-ParaTNC/include/BlinkLed.h

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C++

//
// This file is part of the GNU ARM Eclipse distribution.
// Copyright (c) 2014 Liviu Ionescu.
//
#ifndef BLINKLED_H_
#define BLINKLED_H_
#include "stm32f10x.h"
// ----- LED definitions ------------------------------------------------------
// Adjust these definitions for your own board.
// Olimex STM32-H103 definitions (the GREEN led, C12, active low)
// (SEGGER J-Link device name: STM32F103RB).
// Port numbers: 0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, ...
#define BLINK_PORT_NUMBER (2)
#define BLINK_PIN_NUMBER (12)
#define BLINK_ACTIVE_LOW (1)
#define BLINK_GPIOx(_N) ((GPIO_TypeDef *)(GPIOA_BASE + (GPIOB_BASE-GPIOA_BASE)*(_N)))
#define BLINK_PIN_MASK(_N) (1 << (_N))
#define BLINK_RCC_MASKx(_N) (RCC_APB2Periph_GPIOA << (_N))
// ----------------------------------------------------------------------------
class BlinkLed
{
public:
BlinkLed() = default;
void
powerUp();
inline void
__attribute__((always_inline))
turnOn()
{
#if (BLINK_ACTIVE_LOW)
GPIO_ResetBits(BLINK_GPIOx(BLINK_PORT_NUMBER),
BLINK_PIN_MASK(BLINK_PIN_NUMBER));
#else
GPIO_SetBits(BLINK_GPIOx(BLINK_PORT_NUMBER),
BLINK_PIN_MASK(BLINK_PIN_NUMBER));
#endif
}
inline void
__attribute__((always_inline))
turnOff()
{
#if (BLINK_ACTIVE_LOW)
GPIO_SetBits(BLINK_GPIOx(BLINK_PORT_NUMBER),
BLINK_PIN_MASK(BLINK_PIN_NUMBER));
#else
GPIO_ResetBits(BLINK_GPIOx(BLINK_PORT_NUMBER),
BLINK_PIN_MASK(BLINK_PIN_NUMBER));
#endif
}
};
// ----------------------------------------------------------------------------
#endif // BLINKLED_H_