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

56 lines
1.2 KiB
C

/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-10-19 Nations first version
*/
#ifndef __DRV_GPIO_H__
#define __DRV_GPIO_H__
#include <board.h>
#ifdef __cplusplus
extern "C" {
#endif
#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;
};
int rt_hw_pin_init(void);
#ifdef __cplusplus
}
#endif
#endif /* __DRV_GPIO_H__ */