rt-thread/bsp/n32/libraries/n32_drivers/drv_gpio.h

/*****************************************************************************
 * Copyright (c) 2019, Nations Technologies Inc.
 *
 * All rights reserved.
 * ****************************************************************************
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Nations' name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY NATIONS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL NATIONS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ****************************************************************************/

/**
 * @file drv_gpio.h
 * @author Nations
 * @version v1.0.0
 *
 * @copyright Copyright (c) 2019, Nations Technologies Inc. All rights reserved.
 */

#ifndef __DRV_GPIO_H__
#define __DRV_GPIO_H__

#include "n32g45x.h"

#define __N32_PORT(port)  GPIO##port##_BASE

#define GET_PIN(PORTx,PIN) (rt_base_t)((16 * ( ((rt_base_t)__N32_PORT(PORTx) - (rt_base_t)GPIOA_BASE)/(0x0400UL) )) + PIN)

#define __N32_PIN(index, gpio, gpio_pin)                                \
    {                                                                       \
        index, gpio, gpio_pin                                               \
    }

#define __N32_PIN_RESERVE                                               \
    {                                                                       \
        -1, 0, 0                                                            \
    }

/* GPIO driver */
struct pin_index
{
    int index;
    GPIO_Module *gpio;
    uint32_t pin;
};

struct pin_irq_map
{
    uint16_t pinbit;
    IRQn_Type irqno;
};

void GPIOInit(GPIO_Module* GPIOx, GPIO_ModeType mode, GPIO_SpeedType speed, uint16_t Pin);
int rt_hw_pin_init(void);

#endif /* __DRV_GPIO_H__ */