c64_hw.c

TI DSP C6713 同相同公司C6414利用MSBSP多功能串口通讯的实例

#include <math.h>
#include <stdlib.h>
#include  "errormsg.h"

#include <SPORT.c>
#include <timer.c>
#include <Msg_tools.c>
#include <EDMA.c>
#include <datatype.h>
#include <EMIF.H>
#include "LINKPORT.h"
#include <Msg_packet.h>


extern volatile int recv_done, recv_buddy_done;

int  
SendMsgToBuddy(SLAVE_DATA_S *msg)
{
	RESET_BIT(McBSP_SPCR(BUDDY_BSPCH), XRST);
	if(!SPORT_edmax_init((int)msg, BUDDY_BSPCH, PACKET_SIZE_IN_INT))
		return -1;	
	SET_BIT(McBSP_SPCR(BUDDY_BSPCH), XRST);
		return 0;
}

void   
RecMsgFromBuddy(MASTER_DATA_S *msg)
{
	RESET_BIT(McBSP_SPCR(BUDDY_BSPCH), RRST);
	SPORT_edmar_init((int)msg, BUDDY_BSPCH, PACKET_SIZE_IN_INT);
	SET_BIT(McBSP_SPCR(BUDDY_BSPCH), RRST);	
}

int  
SendMsgToBaBu(SLAVE_DATA_S *msg)
{

	RESET_BIT(McBSP_SPCR(BABU_BSPCH), XRST);
	if(!SPORT_edmax_init((int)msg, BABU_BSPCH, PACKET_SIZE_IN_INT))
		return -1;	
	SET_BIT(McBSP_SPCR(BABU_BSPCH), XRST);
		return 0;
}

void   
RecMsgFromBaBu(MASTER_DATA_S *msg)
{
	RESET_BIT(McBSP_SPCR(BABU_BSPCH), RRST);
	SPORT_edmar_init((int)msg, BABU_BSPCH, PACKET_SIZE_IN_INT);
	SET_BIT(McBSP_SPCR(BABU_BSPCH), RRST);	
}

interrupt void edma_isr()
{
	if(GET_BIT(CIPRL, McBSPr_EDMA_Ch[BABU_BSPCH]))
	{
		REG_WRITE(CIPRL, (1<<McBSPr_EDMA_Ch[BABU_BSPCH]));
		recv_done=1;
	}
	if(GET_BIT(CIPRL, McBSPr_EDMA_Ch[BUDDY_BSPCH]))
	{
		REG_WRITE(CIPRL, (1<<McBSPr_EDMA_Ch[BUDDY_BSPCH]));
		recv_buddy_done=1;
	}
}


void Sports__Initialisation()
{
	mcbsp_init(BABU_BSPCH, BABU_SPORT_ClkGdv, PACKET_SIZE_IN_INT);
	mcbsp_init(BUDDY_BSPCH, BUDDY_SPORT_ClkGdv, PACKET_SIZE_IN_INT);
}