#ifndef DRV_USART_H
#define DRV_USART_H

#include "gd32f4xx.h"

#define USART_GPIO_PORT			GPIOA
#define USART_GPIO_CLK			RCU_GPIOA
#define USART_PERIPH			USART0
#define USART_PERIPH_CLK		RCU_USART0

#define USART_TX_PIN     GPIO_PIN_9
#define USART_RX_PIN     GPIO_PIN_10

#define USART_GPIO_AF    GPIO_AF_7
#define USART_IRQn       USART0_IRQn
// #define USART_IRQHandler USART0_IRQHandler
// #define USART_IRQHandler_NAME "USART0_IRQHandler"
#define USART_BAUD_RATE  9600

void usart_init(void);
void usart_colok_config(void);
void usart_gpio_config(void);
// void usart_putc(struct rt_serial_device *serial, char ch);
// void usart_getc(struct rt_serial_device *serial, char *ch);
// void usart_enable(struct rt_serial_device *serial, rt_bool_t enable);


#endif