X-Git-Url: http://git.smho.de/gw/?p=owTools.git;a=blobdiff_plain;f=src%2FowW1Interface.cpp;fp=src%2FowW1Interface.cpp;h=60d65035c2fd2c47f68866fd4289151c74d2651e;hp=0000000000000000000000000000000000000000;hb=6cc62e3c72ae861a7d1c7f770e052b7b054d0c7a;hpb=1a6465a924428af072a8eb5e75ee547c394f4d8e

diff --git a/src/owW1Interface.cpp b/src/owW1Interface.cpp
new file mode 100644
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--- /dev/null
+++ b/src/owW1Interface.cpp
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+// Copyright (c) 2017, Tobias Mueller tm(at)tm3d.de
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the
+//    distribution.
+//  * All advertising materials mentioning features or use of this
+//    software must display the following acknowledgement: This product
+//    includes software developed by tm3d.de and its contributors.
+//  * Neither the name of tm3d.de nor the names of its contributors may
+//    be used to endorse or promote products derived from this software
+//    without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+#include "owW1Interface.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/mman.h>
+#include <fcntl.h>    /* For O_RDWR */
+#include <unistd.h>
+#include <pthread.h>
+#include <sched.h>
+#include <memory.h>
+#include <strings.h>
+#include <dirent.h> 
+
+
+snum_t owW1Interface::getSnum(const char *s) {
+	snum_t snum;
+	int res=sscanf( s,"%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx",&snum.byte[0],&snum.byte[6],&snum.byte[5],&snum.byte[4],&snum.byte[3],&snum.byte[2],&snum.byte[1]);
+	if (res==7) {
+		std::vector<uint8_t> id;
+		for(int i=0;i<7;i++) id.push_back(snum.byte[i]);
+		snum.byte[7]=calcCRC8(id);
+	} else snum.num=0;
+	return snum;
+	
+}
+void owW1Interface::getStrnum(snum_t snum,char *s) {
+	sprintf(s,"%02x-%02x%02x%02x%02x%02x%02x",snum.byte[0],snum.byte[6],snum.byte[5],snum.byte[4],snum.byte[3],snum.byte[2],snum.byte[1]);
+}
+
+
+int owW1Interface::InitAdapter(uint8_t nr) {
+	d = opendir("/sys/bus/w1/devices");
+	if (d) {
+		printf("W1 direcotry ok\n");
+	} else {
+		log->set(OWLOG_ERROR,"W1 directory not found!");
+		return 0;
+	}
+		
+	return 1;	
+}
+int owW1Interface::Reset() {
+	return 1;
+}
+uint8_t owW1Interface::sendrecivBit(uint8_t bit)  {
+	return 1;
+}
+uint8_t owW1Interface::sendrecivByte(uint8_t byte) {
+	return 0xFF;
+}
+void owW1Interface::ReleaseAdapter() {}
+int owW1Interface::owFirst() {
+	struct dirent *dir;
+	d = opendir("/sys/bus/w1/devices");
+	if (d==0) {
+		log->set(OWLOG_ERROR,"W1 directory not found!");
+		return 0;
+	} 
+	while ((dir = readdir(d)) != NULL)   {
+		snum_t snum=getSnum(dir->d_name);
+		if (snum.num!=0) {
+			for (int i=0;i<8;i++) ROM_NO[i]=snum.byte[i];
+			return 1;
+		}
+	}
+	return 0;
+}
+int owW1Interface::owNext() {
+	struct dirent *dir;
+	while ((dir = readdir(d)) != NULL)   {
+		snum_t snum=getSnum(dir->d_name);
+		if (snum.num!=0) {
+			for (int i=0;i<8;i++) ROM_NO[i]=snum.byte[i];
+			return 1;
+		}
+	}
+	return 0;
+}
+FILE* owW1Interface::openW1Stream(snum_t snum) {
+	char s[200];
+	FILE *f=NULL;
+	sprintf(s,"/sys/bus/w1/devices/%02x-%02x%02x%02x%02x%02x%02x/rw",snum.byte[0],snum.byte[6],snum.byte[5],snum.byte[4],snum.byte[3],snum.byte[2],snum.byte[1]);
+	f=fopen(s,"rb+");
+	if (f==NULL) {
+		printf("Error open rw-file, try to remove device-modules\n");
+		int res=system("rmmod w1_therm w1_smem w1_ds2433");
+		f=fopen(s,"rb+");
+		if (f!=NULL) {
+			setbuf(f,NULL);
+			return f;
+		}
+		log->set(OWLOG_ERROR,"device-directory not found! (%i)",res);
+	} else {
+		setbuf(f,NULL);
+		return f;
+	}
+		
+	return NULL;
+}
+
+int owW1Interface::Communicate(std::vector<uint8_t> *data, int scount, int rcount) {
+	int pointer=0;
+	if ((*data)[0]==0x55) {
+		for(int i=0;i<8;i++) activedevice.byte[i]=(*data)[i+1];
+		//printf("Setaktiv %016llX\n",(unsigned long long)activedevice.num);
+		pointer=8;
+	}
+	if (scount>pointer) { //noch mehr senden
+		FILE *f;
+		f=openW1Stream(activedevice);
+		if (f!=NULL) {
+			uint8_t w[256],r[256];
+			std::copy(data->begin()+pointer, data->end(), w);
+			fwrite(w,1,scount-pointer,f);
+			int res=fread(r,1,rcount,f);
+			for(int i=0;i<res;i++) {
+				data->push_back(r[i]);
+			}
+			for(int i=0;i<(rcount-res);i++) {
+				data->push_back(0xFF);
+			}
+		}
+	}
+	return 1;
+}