rt-thread/bsp/gd32/libraries/HAL_Drivers/drv_gpio.h

62 lines
1.5 KiB
C

/*
* Copyright (c) 2006-2021, 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
#define GPIOA_BASE (GPIO_BASE + 0x00000800UL)
#define GPIOB_BASE (GPIO_BASE + 0x00000C00UL)
#define GPIOC_BASE (GPIO_BASE + 0x00001000UL)
#define GPIOD_BASE (GPIO_BASE + 0x00001400UL)
#define GPIOE_BASE (GPIO_BASE + 0x00001800UL)
#define GPIOF_BASE (GPIO_BASE + 0x00001C00UL)
#define GPIOG_BASE (GPIO_BASE + 0x00002000UL)
#define __GD32_PORT(port) GPIO##port##_BASE
#define GD32_PIN(index, port, pin) {index, RCU_GPIO##port, \
GPIO##port, GPIO_PIN_##pin, \
EXTI_SOURCE_GPIO##port, \
EXTI_SOURCE_PIN##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)GPIOA_BASE)/(0x0400UL) )) + 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__ */