uart.h.bak

基于TI公司6416DSP的UART串口读写程序

/**********************************************************************
	filename:	uart.h
	designer:	戴展波
	date:		2004/10/19
***********************************************************************/

volatile unsigned char* EXT_INT_STATUS = (volatile unsigned char *) 0x60000000;

/*	UART A registers	*/

volatile unsigned char* UARTA_RHR = (volatile unsigned char *) 0x60010000;
volatile unsigned char* UARTA_THR = (volatile unsigned char *) 0x60010000;
volatile unsigned char* UARTA_IER = (volatile unsigned char *) 0x60010001;
volatile unsigned char* UARTA_FCR = (volatile unsigned char *) 0x60010002;
volatile unsigned char* UARTA_IIR = (volatile unsigned char *) 0x60010002;
volatile unsigned char* UARTA_LCR = (volatile unsigned char *) 0x60010003;
volatile unsigned char* UARTA_MCR = (volatile unsigned char *) 0x60010004;
volatile unsigned char* UARTA_LSR = (volatile unsigned char *) 0x60010005;
volatile unsigned char* UARTA_MSR = (volatile unsigned char *) 0x60010006;
volatile unsigned char* UARTA_SPR = (volatile unsigned char *) 0x60010007;

volatile unsigned char* UARTA_DLL = (volatile unsigned char *) 0x60010000;
volatile unsigned char* UARTA_DLH = (volatile unsigned char *) 0x60010001;
volatile unsigned char* UARTA_EFR = (volatile unsigned char *) 0x60010002;
volatile unsigned char* UARTA_FIFORDY = (volatile unsigned char *) 0x60010007;
volatile unsigned char* UARTA_XON1 = (volatile unsigned char *) 0x60010000;
volatile unsigned char* UARTA_XON2 = (volatile unsigned char *) 0x60010001;

/*	波特率设置	*/

#define buad_1k2_l	0xE2
#define buad_1k2_h	0x04
#define buad_2k4_l	0x71
#define buad_2k4_h	0x02
#define buad_4k8_l	0x38
#define buad_4k8_h	0x01
#define buad_9k6_l	0x9C
#define buad_9k6_h	0x00
#define buad_19k2_l	0x64
#define buad_19k2_h	0x00
#define buad_38k4_l	0x27
#define buad_38k4_h	0x00

/*	UART控制字设置	*/

#define data_w5     0x0000 /*数据长度为5*/
#define data_w6     0x0001 /*数据长度为6*/
#define data_w7     0x0002 /*数据长度为7*/
#define data_w8     0x0003 /*数据长度为8*/

#define data_s1     0x0000 /*数据停止位为1*/
#define data_s2     0x0004 /*数据停止位为1个半（数据长度为5）或2个*/

#define data_p      0x0008 /*设置较验位*/
#define data_po     0x0000 /*设置奇较验*/
#define data_pe     0x0010 /*设置偶较验*/
#define data_parity 0x0020 /*设置较验位*/
#define data_break  0x0040 /*设置当发送终止时，输出为低*/
#define uart_parity data_p + data_pe 
#define LC_1_DLAB   0x0080
#define LC_0_DLAB   0x0000

/*FIFO设置*/
#define fifo_disable 0x0000 /*禁止fifo*/
#define fifo_enable  0x0001 /*使能fifo*/
#define fifo_rreset  0x0002 /*复位接收fifo*/
#define fifo_xreset  0x0004 /*复位发送fifo*/
#define fifo_reset   0x0007
#define fifo_dma     0x0008 /*设置DMA方式*/
#define fifo_txdip8    0x0000 /*fifo深度为8个*/
#define fifo_txdip16   0x0010 /*fifo深度为16个*/
#define fifo_txdip32   0x0020 /*fifo深度为32个*/
#define fifo_txdip56   0x0030 /*fifo深度为56个*/
#define fifo_rxdip8    0x0000 /*fifo深度为8个*/
#define fifo_rxdip16   0x0040 /*fifo深度为16个*/
#define fifo_rxdip32   0x0080 /*fifo深度为56个*/
#define fifo_rxdip56   0x00b0 /*fifo深度为60个*/

#define UartLoop       0x000b /*设置自闭环方式*/

/*UART中断设置*/
#define  uartint_rhr   0x0001 /*设置接收中断*/
#define  uartint_thr   0x0002 /*设置发送中断*/
#define  uartint_rls   0x0004 /*设置接收状态中断*/
#define  uartint_msr   0x0008 /*设置MODEM状态中断*/
#define  uart_sleep    0x0010 /*设置接收中断*/
#define  uartint_xoff  0x0020 /*设置xoff中断*/
#define  uartint_rts   0x0040 /*设置rts中断*/
#define  uartint_cts   0x0080 /*设置cts中断*/

#define  uart_enable   0x0008 /*使能UART中断*/