85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
//
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// This file is part of the GNU ARM Eclipse distribution.
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// Copyright (c) 2014 Liviu Ionescu.
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//
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#ifndef BLINKLED_H_
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#define BLINKLED_H_
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#include "stm32f4xx.h"
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#include "stm32f4xx_hal.h"
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// ----- LED definitions ------------------------------------------------------
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// Adjust these definitions for your own board.
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#if defined(BOARD_OLIMEX_STM32_E407)
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// STM32-E407 definitions (the GREEN led, C13, active low)
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// Port numbers: 0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, ...
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#define BLINK_PORT_NUMBER (2)
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#define BLINK_PIN_NUMBER (13)
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#define BLINK_ACTIVE_LOW (1)
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#else
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// STM32F4DISCOVERY definitions (the GREEN led, D12, active high)
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// (SEGGER J-Link device name: STM32F407VG).
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#define BLINK_PORT_NUMBER (0)
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#define BLINK_PIN_NUMBER (8)
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#define BLINK_ACTIVE_LOW (0)
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#endif
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#define BLINK_GPIOx(_N) ((GPIO_TypeDef *)(GPIOA_BASE + (GPIOB_BASE-GPIOA_BASE)*(_N)))
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#define BLINK_PIN_MASK(_N) (1 << (_N))
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#define BLINK_RCC_MASKx(_N) (RCC_AHB1ENR_GPIOAEN << (_N))
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// ----------------------------------------------------------------------------
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extern
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void
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blink_led_init(void);
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// ----------------------------------------------------------------------------
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inline void
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blink_led_on(void);
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inline void
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blink_led_off(void);
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// ----------------------------------------------------------------------------
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inline void
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__attribute__((always_inline))
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blink_led_on(void)
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{
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#if (BLINK_ACTIVE_LOW)
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HAL_GPIO_WritePin(BLINK_GPIOx(BLINK_PORT_NUMBER),
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BLINK_PIN_MASK(BLINK_PIN_NUMBER), GPIO_PIN_RESET);
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#else
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HAL_GPIO_WritePin(BLINK_GPIOx(BLINK_PORT_NUMBER),
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BLINK_PIN_MASK(BLINK_PIN_NUMBER), GPIO_PIN_SET);
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#endif
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}
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inline void
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__attribute__((always_inline))
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blink_led_off(void)
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{
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#if (BLINK_ACTIVE_LOW)
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HAL_GPIO_WritePin(BLINK_GPIOx(BLINK_PORT_NUMBER),
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BLINK_PIN_MASK(BLINK_PIN_NUMBER), GPIO_PIN_SET);
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#else
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HAL_GPIO_WritePin(BLINK_GPIOx(BLINK_PORT_NUMBER),
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BLINK_PIN_MASK(BLINK_PIN_NUMBER), GPIO_PIN_RESET);
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#endif
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}
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// ----------------------------------------------------------------------------
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#endif // BLINKLED_H_
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