66 lines
1.1 KiB
C
66 lines
1.1 KiB
C
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/*
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* Copyright (c) 2006-2024, 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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* 2024-03-19 Evlers first implementation
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*/
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#ifndef __DRV_USART_V2_H__
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#define __DRV_USART_V2_H__
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#include <rthw.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <board.h>
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#include "drv_dma.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* GD32 uart driver */
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struct gd32_uart
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{
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char *device_name;
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uint32_t periph;
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IRQn_Type irqn;
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rcu_periph_enum per_clk;
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rcu_periph_enum tx_gpio_clk;
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rcu_periph_enum rx_gpio_clk;
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uint32_t tx_port;
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#if defined SOC_SERIES_GD32F4xx
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uint16_t tx_af;
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#endif
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uint16_t tx_pin;
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uint32_t rx_port;
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#if defined SOC_SERIES_GD32F4xx
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uint16_t rx_af;
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#endif
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uint16_t rx_pin;
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struct rt_serial_device serial;
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#ifdef RT_SERIAL_USING_DMA
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struct
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{
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struct dma_config rx;
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struct dma_config tx;
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rt_size_t last_index;
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rt_sem_t sem_ftf;
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} dma;
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rt_uint16_t uart_dma_flag;
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#endif
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};
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int rt_hw_usart_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __DRV_USART_V2_H__ */
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