/***************************************** Copyright (c) 2001-2003	 Sigma Designs, Inc. All Rights Reserved Proprietary and Confidential *****************************************/#ifndef ALLOW_OS_CODE#define ALLOW_OS_CODE 1#endif //ALLOW_OS_CODE#include <stdlib.h>#include <fcntl.h>#include <termios.h>#include <unistd.h>#include <time.h>typedef struct {	RMint32 fd;}remoteHandleType;#ifndef EM86XX_REMOTEstatic RMstatus RMPseudoFileSetRaw(RMint32 fd){	struct termios newtermios;        if (tcgetattr(fd,&newtermios)<0) {		printf("RMPseudoFileSetRaw : failed tcgetattr\n");		return RM_ERROR;	}	// all the basic magic for raw mode	cfmakeraw(&newtermios);	// input speed setting	if (cfsetispeed(&newtermios,B1200)<0) {		printf("RMPseudoFileSetRaw : failed cfsetispeed\n");		return RM_ERROR;	}	// receive byte per byte	newtermios.c_cc[VMIN] = 1;        newtermios.c_cc[VTIME] = 0;	        /* You tell me why TCSAFLUSH. */        if(tcsetattr(fd, TCSAFLUSH, &newtermios) < 0) {		printf("RMPseudoFileSetRaw : failed newtermios\n");		return RM_ERROR;	}	return RM_OK;}#endifstatic RMstatus RMlocalRemoteOpen(const RMascii *device, remoteHandleType **handle){	int flags = O_RDONLY;	*handle=(remoteHandleType *)MALLOC(sizeof(remoteHandleType));	(*handle)->fd=open(device, flags);	if ((*handle)->fd <= 0) {		printf("RMlocalRemoteOpen : Cannot open device %s \n", device);		free(*handle);		return RM_ERROR;	}#ifndef EM86XX_REMOTE	if (RMPseudoFileSetRaw((*handle)->fd)!=RM_OK) {		printf("Cannot exec RMPseudoFileSetRaw\n");		free(*handle);		return RM_ERROR;	}#endif	return RM_OK;}static RMint32 RMFlushCallback (void *fileHandle){#ifndef EM86XX_REMOTE	return tcflush(((remoteHandleType*)fileHandle)->fd,TCIOFLUSH);#else	return 0;#endif}static void RMlocalRemoteClose(remoteHandleType **handle){	close((*handle)->fd);	RFREE(*handle);	*handle = NULL;}static RMint32 PseudoFileReadWithTimeout(void *fileHandle,void *buf,RMuint32 count,RMint64 timeoutMicroSeconds){RMbool b;	fd_set rfds;	RMuint32 *key;	RMuint16 hi,lo;	struct timeval tv, *tva;	ssize_t res = 0;	FD_ZERO(&rfds);	FD_SET(((remoteHandleType*)fileHandle)->fd,&rfds);		if (timeoutMicroSeconds==-1)		tva=NULL;	else {		tv.tv_sec=timeoutMicroSeconds/1000000ULL;		tv.tv_usec=timeoutMicroSeconds%1000000ULL;				tva=&tv;	}RMDBGPRINT((DISABLE, "> select %d\n", FD_ISSET(((remoteHandleType*)fileHandle)->fd, &rfds)));	b = select(((remoteHandleType*)fileHandle)->fd+1, &rfds, NULL, NULL, tva) > 0;RMDBGPRINT((DISABLE, "> select OK\n"));	if (b) {		res = read(((remoteHandleType*)fileHandle)->fd,buf,count);		key = (RMuint32*) buf;		hi = (*key & 0xFFFF0000) >>16;		lo = (*key & 0x0000FFFF);		printf("DBG: key %x%x\n",hi,lo);		return(res > 0 ? res : 0);	}	else		return 0;}RMbool PseudoFileAvailable(void *fileHandle){	fd_set rfds;	struct timeval tv, *tva;	FD_ZERO(&rfds);	FD_SET(((remoteHandleType*)fileHandle)->fd,&rfds);	tv.tv_sec=0;	tv.tv_usec=1000;	tva=&tv;	return (select(((remoteHandleType*)fileHandle)->fd+1, &rfds, NULL, NULL, tva) > 0);}static void RMSleepCallback(RMuint64 microsec){	struct timespec usleep_req = { 0 };	usleep_req.tv_sec = microsec / 1000000;	usleep_req.tv_nsec = (microsec % 1000000) * 1000;	nanosleep(&usleep_req, 0);}