uart.h

[詳解]

/*****************************************************************************
 *   uart.h:  Header file for NXP LPC13xx Family Microprocessors
 *
 *   Copyright(C) 2008, NXP Semiconductor
 *   All rights reserved.
 *
 *   History
 *   2008.08.21  ver 1.00    Preliminary version, first Release
 *
******************************************************************************/
#ifndef __UART_H 
#define __UART_H


#define RS485_ENABLED       0
#define TX_INTERRUPT        0       /* 0 if TX uses polling, 1 interrupt driven. */
#define MODEM_TEST          0

#define IER_RBR     0x01
#define IER_THRE    0x02
#define IER_RLS     0x04

#define IIR_PEND    0x01
#define IIR_RLS     0x03
#define IIR_RDA     0x02
#define IIR_CTI     0x06
#define IIR_THRE    0x01

#define LSR_RDR     0x01
#define LSR_OE      0x02
#define LSR_PE      0x04
#define LSR_FE      0x08
#define LSR_BI      0x10
#define LSR_THRE    0x20
#define LSR_TEMT    0x40
#define LSR_RXFE    0x80

#define BUFSIZE     0x80

/* RS485 mode definition. */
#define RS485_NMMEN     (0x1<<0)
#define RS485_RXDIS     (0x1<<1)
#define RS485_AADEN     (0x1<<2)
#define RS485_SEL       (0x1<<3)
#define RS485_DCTRL     (0x1<<4)
#define RS485_OINV      (0x1<<5)

void UARTInit(uint32_t Baudrate);
void UART_IRQHandler(void);
void UARTSend(uint8_t *BufferPtr, uint32_t Length);


#endif /* end __UART_H */
/*****************************************************************************
**                            End Of File
******************************************************************************/