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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-08-20 BruceOu first implementation
*/
#ifndef __DRV_USART_H__
#define __DRV_USART_H__
#include <rthw.h>
#include <rtthread.h>
#include <board.h>
#ifdef __cplusplus
extern "C" {
#endif
#define UART_ENABLE_IRQ(n) NVIC_EnableIRQ((n))
#define UART_DISABLE_IRQ(n) NVIC_DisableIRQ((n))
/* GD32 uart driver */
// Todo: compress uart info
struct gd32_uart
{
uint32_t uart_periph; //Todo: 3bits
IRQn_Type irqn; //Todo: 7bits
rcu_periph_enum per_clk; //Todo: 5bits
rcu_periph_enum tx_gpio_clk; //Todo: 5bits
rcu_periph_enum rx_gpio_clk; //Todo: 5bits
uint32_t tx_port; //Todo: 4bits
#if defined SOC_SERIES_GD32F4xx
uint16_t tx_af; //Todo: 4bits
#endif
uint16_t tx_pin; //Todo: 4bits
uint32_t rx_port; //Todo: 4bits
#if defined SOC_SERIES_GD32F4xx
uint16_t rx_af; //Todo: 4bits
#endif
uint16_t rx_pin; //Todo: 4bits
struct rt_serial_device * serial;
char *device_name;
};
#ifdef __cplusplus
}
#endif
#endif /* __DRV_USART_H__ */
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