36 lines
936 B
C
36 lines
936 B
C
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/*
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* Copyright (c) 2006-2023, 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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* 2023/06/25 flyingcys first version
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*/
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#ifndef __DRV_USART_H__
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#define __DRV_USART_H__
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#include <rtthread.h>
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#include "rtdevice.h"
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#include <rthw.h>
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#define UART_REG_SHIFT 0x2 /* Register Shift*/
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#define UART_INPUT_CLK 25000000
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#define UART0_BASE 0x04140000
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#define UART1_BASE 0x04150000
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#define UART2_BASE 0x04160000
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#define UART3_BASE 0x04170000
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#define UART4_BASE 0x041C0000
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#define UART_IRQ_BASE (44)
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#define UART0_IRQ (UART_IRQ_BASE + 0)
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#define UART1_IRQ (UART_IRQ_BASE + 1)
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#define UART2_IRQ (UART_IRQ_BASE + 2)
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#define UART3_IRQ (UART_IRQ_BASE + 3)
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#define UART4_IRQ (UART_IRQ_BASE + 4)
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int rt_hw_uart_init(void);
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#endif /* __DRV_USART_H__ */
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