rt-thread-official/bsp/gd32/risc-v/libraries/gd32_drivers/drv_gpio.h

66 lines
1.4 KiB
C

/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-08-20 BruceOu the first version
*/
#ifndef __DRV_GPIO_H__
#define __DRV_GPIO_H__
#include <rtthread.h>
#include <rtdevice.h>
#include <board.h>
#ifdef __cplusplus
extern "C" {
#endif
#if defined SOC_SERIES_GD32VF103V
#include "gd32vf103_gpio.h"
#endif
#define __GD32_PORT(port) GPIO##port
#define GD32_PIN(index, port, pin) {index, RCU_GPIO##port, \
GPIO##port, GPIO_PIN_##pin, \
GPIO_PORT_SOURCE_GPIO##port, \
GPIO_PIN_SOURCE_##pin}
#define GD32_PIN_DEFAULT {-1, (rcu_periph_enum)0, 0, 0, 0, 0}
#define GET_PIN(PORTx,PIN) (rt_base_t)((16 * ( ((rt_base_t)__GD32_PORT(PORTx) - (rt_base_t)GPIO_BASE)/(0x0400UL) )) + PIN)
#define PIN_PORT(pin) ((uint8_t)(((pin) >> 4) & 0xFu))
#define PIN_NO(pin) ((uint8_t)((pin) & 0xFu))
#define PIN_GDPORT(pin) (GPIO_BASE + (0x400u * PIN_PORT(pin)))
#define PIN_GDPIN(pin) ((uint16_t)(1u << PIN_NO(pin)))
struct pin_index
{
rt_int16_t index;
rcu_periph_enum clk;
rt_uint32_t gpio_periph;
rt_uint32_t pin;
rt_uint8_t port_src;
rt_uint8_t pin_src;
};
struct pin_irq_map
{
rt_uint16_t pinbit;
IRQn_Type irqno;
};
#ifdef __cplusplus
}
#endif
#endif /* __DRV_GPIO_H__ */