uarthw_evmdm642hal.h

DM642支持4个串口的驱动代码

/*
 *  Copyright 2003 by Texas Instruments Incorporated.
 *  All rights reserved. Property of Texas Instruments Incorporated.
 *  Restricted rights to use, duplicate or disclose this code are
 *  granted through contract.
 *  
 */
/* "@(#) DDK 1.10.00.23 07-02-03 (ddk-b12)" */
/*
 *  ======== uarthw_evmdm642hal.h ========
 */

#ifndef UARTHW_EVMDM642HAL_
#define UARTHW_EVMDM642HAL_

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Interrupt Enable Register
 * Note that the top 4 bits require the enhanced function mode to be
 * enabled.
 */
#define UART_IER_RXDATAEN       0x01
#define UART_IER_THREMPEN       0x02
#define UART_IER_RXLSTATEN      0x04
#define UART_IER_MDMSTATEN      0x08
#define UART_IER_XSLEEPMODE     0x10
#define UART_IER_XOFFSLEEP      0x20
#define UART_IER_RTSINTEN       0x40
#define UART_IER_CSTINTEN       0x80

/*
 * FIFO Control Register
 * Note that the UART_FCR_TXTRGxx bits only can be used if the enhanced
 * functions are enabled.
 */
#define UART_FCR_FIFOEN         0x01
#define UART_FCR_RSTRXFIFO      0x02
#define UART_FCR_RSTTXFIFO      0x04
#define UART_FCR_DMAMODE        0x08
#define UART_FCR_TXTRG8         0x00
#define UART_FCR_TXTRG16        0x10
#define UART_FCR_TXTRG32        0x20
#define UART_FCR_TXTRG56        0x30
#define UART_FCR_RXTRG8         0x00
#define UART_FCR_RXTRG16        0x40
#define UART_FCR_RXTRG56        0x80
#define UART_FCR_RXTRG60        0xc0

/*
 * Interrupt Identification Register
 */
#define UART_IIR_INTSTAT        0x01
#define UART_INT_NONE           0x01
#define UART_INT_MSR            0x00
#define UART_INT_THR            0x02
#define UART_INT_RHR            0x04
#define UART_INT_RLSERR         0x06
#define UART_INT_RXTO           0x0c
#define UART_INT_XOFF           0x10
#define UART_INT_CTSRTS         0x20

/*
 * Line Control Register
 */
#define UART_LCR_WORDLEN5       0x00
#define UART_LCR_WORDLEN6       0x01
#define UART_LCR_WORDLEN7       0x02
#define UART_LCR_WORDLEN8       0x03
#define UART_LCR_STOP1          0x00
#define UART_LCR_STOP2          0x04
#define UART_LCR_NOPAR          0x00
#define UART_LCR_PARODD         0x08
#define UART_LCR_PAREVEN        0x18
#define UART_LCR_PARMARK        0x28
#define UART_LCR_PARSPACE       0x38
#define UART_LCR_BREAKCTL       0x40
#define UART_LCR_DLTCHEN        0x80

/*
 * Modem Control Register
 * The top 3 bits are only valid if the enhanced functions are enabled.
 */
#define UART_MCR_DTR            0x01
#define UART_MCR_RTS            0x02
#define UART_MCR_FIFORDYEN      0x04
#define UART_MCR_IRQENOP        0x08
#define UART_MCR_LOOPBACK       0x10
#define UART_MCR_XONANY         0x20
#define UART_MCR_TCRTLREN       0x40
#define UART_MCR_CLK4           0x80

/*
 * Line Status Register
 */
#define UART_LSR_DATAIN         0x01
#define UART_LSR_OVERRUN        0x02
#define UART_LSR_PARERR         0x04
#define UART_LSR_FRAMERR        0x08
#define UART_LSR_ERRMASK        0x0e
#define UART_LSR_BRKINT         0x10
#define UART_LSR_THREMPTY       0x20
#define UART_LSR_THRTSREMP      0x40
#define UART_LSR_RXFIFOERR      0x80

/*
 * Modem Status Register
 */
#define UART_MSR_DCTS           0x01
#define UART_MSR_DDSR           0x02
#define UART_MSR_DRI            0x04
#define UART_MSR_DCD            0x08
#define UART_MSR_CTS            0x10
#define UART_MSR_DSR            0x20
#define UART_MSR_RI                     0x40
#define UART_MSR_CD                     0x80

/*
 * Enhanced Feature Register
 */
#define UART_EFR_RXFCNONE       0x00
#define UART_EFR_RXFCXO2        0x01
#define UART_EFR_RXFCXO1        0x02
#define UART_EFR_RXFCXO12       0x03
#define UART_EFR_TXFCNONE       0x00
#define UART_EFR_TXFCXO2        0x04
#define UART_EFR_TXFCXO1        0x08
#define UART_EFR_TXFCXO12       0x0c
#define UART_EFR_ENHFUNCEN      0x10
#define UART_EFR_SPECCHRDET     0x20
#define UART_EFR_AUTORTS        0x40
#define UART_EFR_AUTOCTS        0x80

/* Note that the _xXC/D bits are only applicable to the TL16C754 (4-port) chip */

/*
 * FIFO Ready Register
 */
#define UART_FRDY_TXA           0x01
#define UART_FRDY_TXB           0x02
#define UART_FRDY_TXC           0x04
#define UART_FRDY_TXD           0x08
#define UART_FRDY_RXA           0x10
#define UART_FRDY_RXB           0x20
#define UART_FRDY_RXC           0x40
#define UART_FRDY_RXD           0x80

#ifdef __cplusplus
}
#endif /* extern "C" */

#endif /* UARTHW_EVMDM642HAL_ */