uart.h

来自「在软件Proteus中仿真ucos（ARM）」· C头文件 代码 · 共 45 行

#ifndef  _UART_H
#define  _UART_H

#define RBR           0*4
#define THR           0*4
#define IER           1*4
#define IIR           2*4
#define FCR           2*4
#define LCR           3*4
#define MCR           4*4
#define LSR           5*4
#define MSR           6*4
#define SCR           7*4
                      
#define DLL           0*4
#define DLM           1*4

#define UART0_BASE     ((volatile unsigned char *)0xE000C000)
#define UART1_BASE     ((volatile unsigned char *)0xE0010000)  


#define  RxTriLevel01                 0x0F
#define  RxTriLevel04                 0x4F
#define  RxTriLevel08                 0x8F
#define  RxTriLevel14                 0xCF
//----------------------------------------------------
#define  DataBitNum5				  0x00
#define  DataBitNum6				  0x01
#define  DataBitNum7				  0x02
#define  DataBitNum8				  0x03
//----------------------------------------------------
#define  StopBitNum1                  0x00

//----------------------------------------------------
#define  RxIntEn                      0x01
#define  TxIntEn                      0x02 
//----------------------------------------------------
#define  PARITY_NONE        		  0x00
#define  PARITY_ODD                   0x08                    
#define  PARITY_EVEN                  0x18
#define  PARITY_MARK                  0x00
#define  PARITY_SPACE                 0x00


#endif