uart.h

来自「Philips的LPC900系列」· C头文件 代码 · 共 55 行

/***********************************************************************
MODULE:    UART
VERSION:   1.04
CONTAINS:  Routines for controlling the UART peripheral on the Philips
           P89LPC935
COPYRIGHT: Embedded Systems Academy, Inc. - www.esacademy.com
LICENSE:   May be freely used in commercial and non-commercial code
           without royalties provided this copyright notice remains
           in this file and unaltered
WARNING:   IF THIS FILE IS REGENERATED BY CODE ARCHITECT ANY CHANGES
           MADE WILL BE LOST. WHERE POSSIBLE USE ONLY CODE ARCHITECT
           TO CHANGE THE CONTENTS OF THIS FILE
GENERATED: On "May 09 2005" at "09:37:55" by Code Architect 2.06
***********************************************************************/

#ifndef _UARTH_
#define _UARTH_

/***********************************************************************
DESC:    Transmits a 8-bit value via the UART in the current mode
         May result in a transmit interrupt if enabled.
RETURNS: Nothing
CAUTION: uart_init must be called first
************************************************************************/
extern void uart_transmit
  (
  unsigned char value    // data to transmit
  );

/***********************************************************************
DESC:    Gets a received 8-bit value from the UART
RETURNS: Received data
CAUTION: uart_init must be called first
************************************************************************/
extern unsigned char uart_get
  (
  void
  );

/***********************************************************************
DESC:    Initializes UART for mode 1
         Baudrate: 9599.2167
RETURNS: Nothing
CAUTION: If interrupts are being used then EA must be set to 1
         after calling this function
************************************************************************/
extern void uart_init
  (
  void
  );

#endif // _UARTH_