54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-01-07 shelton first version
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*/
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#ifndef __DRV_GPIO_H__
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#define __DRV_GPIO_H__
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#include <board.h>
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#include <rthw.h>
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#include <rtdevice.h>
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#define __AT32_PORT(port) GPIO##port##_BASE
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#define GET_PIN(PORTx,PIN) (rt_base_t)((16 * ( ((rt_base_t)__AT32_PORT(PORTx) - (rt_base_t)GPIOA_BASE)/(0x0400UL) )) + PIN)
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#define __AT32_PIN(index, gpio, gpio_index) \
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{ \
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index, GPIO##gpio, GPIO_Pins_##gpio_index, \
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GPIO_PortSourceGPIO##gpio, GPIO_PinsSource##gpio_index \
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}
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#define __AT32_PIN_RESERVE \
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{ \
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-1, 0, 0, 0, 0 \
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}
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/* AT32 GPIO driver */
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struct pin_index
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{
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int index;
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GPIO_Type *gpio;
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rt_uint32_t pin;
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rt_uint32_t portsource;
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rt_uint32_t pinsource;
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};
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struct pin_irq_map
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{
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rt_uint16_t pinbit;
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rt_uint16_t lineno;
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IRQn_Type irqno;
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};
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int rt_hw_pin_init(void);
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#endif /* __DRV_GPIO_H__ */
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