uart_ext.c

来自「基于vxworks操作系统的电话语音平台系统」· C语言 代码 · 共 69 行

/************************************************************************/
/*                                                              		*/
/*                                                              		*/
/* (C) Copyright Bangyan Information Technology Ltd, 2000/9.            */
/*  All right reserved                                          		*/
/*                                                              		*/
/* Author: Zhuguosheng 	                                  				*/
/*                                                              		*/
/* Description:                                                 		*/
/*     Driver Set - SCC UART initiating specific routines.            	*/
/*                                                              		*/
/* Routines                                                     		*/
/*                                                                      */
/************************************************************************/


#include "PUB\PUB_INCL.H"
#include "DRVS\DRV860\PUB\NETCOMM.H"       /* global defines */
#include "DRVS\DRV860\PUB\D860_PUB.H"
#include "DRVS\DRV860\PUB\MPC860.H"       /* IMMR definitions and declarations */
#include "DRVS\DRV860\PUB\MASKS860.h"      /* Global masks header file */
#include "DRVS\DRV860\UART\SCC_UART.H"

EXTERN UC LedSwitchOnOrOff( UC action, UC led );

EXTERN SI uart_tx(SI scc_num, VOID *buf, SI length);
EXTERN VOID uart_interrupt(UI scc_num);


BOOL DrvUartInitiate( VOID )
{
	UART_SPECIFIC  uart_spec;

	scc_init( GLB_SCC_1, 16, 16 );

	uart_spec.max_frame_length 	= 256;
	uart_spec.parity			= PARITY_NO;
	uart_spec.data				= 0x08;
	uart_spec.stop				= 1;
	uart_spec.baud				= 1;

	uart_spec.number_of_cc		= 0;
	/*	uart_spec.cc[CC_MAX]		= ; */
	/*	No CC byte in my application.*/

	uart_init( GLB_SCC_1, (UART_SPECIFIC*)&uart_spec );

	scc_start(GLB_SCC_1);

	return TRUE;
}


BOOL DrvUartSendMsu(SI scc_num, VOID *buf, SI length)
{
	uart_tx(GLB_SCC_1, buf, length);
}

VOID DrvUartRecvMsu(VOID *buf, SI length)
{
	/*LedSwitchOnOrOff( 1, 3 );*/
	LedSwitchOnOrOff( 1, 1 ); /* Modified by weng on 2005-9-5 16:48 */
}

VOID UartPollingEvtHdl(VOID)
{
	uart_interrupt(GLB_SCC_1);
}