1 #ifndef _UART_H_
2 #define _UART_H_
3 
4 #define RT_DEVICE_CTRL_CUSTOM   0x20
5 #define RT_DEVICE_CTRL_PIN      0x21
6 #define RT_DEVICE_POWERSAVE     0x22
7 #define RT_DEVICE_WAKEUP        0x23
8 
9 #define UART_CONFIG_BAUD_RATE_9600      1
10 #define UART_CONFIG_BAUD_RATE_115200    2
11 
12 #define UART0_RB_SIZE        1024
13 
14 int rt_hw_uart_init(void);
15 
16 #endif
17 
18