uart.h.svn-base

来自「realtek的8186芯片ADSL路由AP源代码」· SVN-BASE 代码 · 共 51 行

#ifndef _UART_H
#define _UART_H

#ifdef __cplusplus
extern "C" {
#endif

/* include files */



#define  UART_BASE_ADDRESS    0xb9c00000

#define UART_RBR     UART_BASE_ADDRESS+0x00
#define UART_THR     UART_BASE_ADDRESS+0x00    /* Tx Holding */
#define UART_DLL     UART_BASE_ADDRESS+0x00
#define UART_IER     UART_BASE_ADDRESS+0x04    /* Interrupt Enable */
#define UART_DLM     UART_BASE_ADDRESS+0x04
#define UART_IIR     UART_BASE_ADDRESS+0x08
#define UART_FCR     UART_BASE_ADDRESS+0x08    /* FIFO Control */
#define UART_LCR     UART_BASE_ADDRESS+0x0c    /* Line Control */
#define UART_MCR     UART_BASE_ADDRESS+0x10    /* Modem Control */
#define UART_LSR     UART_BASE_ADDRESS+0x14    /* Line Status */
#define UART_MSR     UART_BASE_ADDRESS+0x18    /* Modem Status */
#define UART_SCR     UART_BASE_ADDRESS+0x1c    /* Scratchpad */

#define  UART_BAUD_2400       (CLOCKGEN_FREQ/16/2400)
#define  UART_BAUD_4800       (CLOCKGEN_FREQ/16/4800)
#define  UART_BAUD_9600       (CLOCKGEN_FREQ/16/9600)
#define  UART_BAUD_19200      (CLOCKGEN_FREQ/16/19200)
#define  UART_BAUD_38400      (CLOCKGEN_FREQ/16/38400)
#define  UART_BAUD_57600      (CLOCKGEN_FREQ/16/57600)
#define  UART_BAUD_115200     (CLOCKGEN_FREQ/16/115200)



#ifdef __cplusplus
}
#endif   

void initUart( unsigned int );
void puts( char * );
void putc( char );
void puthex(unsigned long);
char getc( void );
char pollcc( void );
char getcc( void );

#endif /* for the #define uart.h */