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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-11-06 balanceTWK first version
*/
#ifndef __DRV_GPIO_H__
#define __DRV_GPIO_H__
#include <drv_common.h>
#include <board.h>
#define __STM32_PORT(port) GPIO##port##_BASE
#define GET_PIN(PORTx,PIN) (rt_base_t)((16 * ( ((rt_base_t)__STM32_PORT(PORTx) - (rt_base_t)GPIOA_BASE)/(0x0400UL) )) + PIN)
#define __STM32_PIN(index, gpio, gpio_index) \
{ \
index, GPIO##gpio, GPIO_PIN_##gpio_index \
}
#define __STM32_PIN_RESERVE \
{ \
-1, 0, 0 \
}
/* STM32 GPIO driver */
struct pin_index
{
int index;
GPIO_TypeDef *gpio;
uint32_t pin;
};
struct pin_irq_map
{
rt_uint16_t pinbit;
IRQn_Type irqno;
};
int rt_hw_pin_init(void);
#endif /* __DRV_GPIO_H__ */
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