Experiment with generating deb package.

Makefile

@@ -1,3 +1,17 @@
+# Copyright (C) 2017-2019 Fredrik Öhrström
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 # To compile for Raspberry PI ARM:
 # make HOST=arm
@@ -10,10 +24,12 @@ ifeq "$(HOST)" "arm"
     CXX=arm-linux-gnueabihf-g++
     STRIP=arm-linux-gnueabihf-strip
     BUILD=build_arm
+	DEBARCH=armhf
 else
     CXX=g++
     STRIP=strip
     BUILD=build
+	DEBARCH=amd64
 endif
 
 ifeq "$(DEBUG)" "true"
@@ -54,7 +70,23 @@ METERS_OBJS:=\
 	$(BUILD)/wmbus_utils.o
 
 all: $(BUILD)/wmbusmeters $(BUILD)/testinternals
-	$(STRIP_BINARY)
+	@$(STRIP_BINARY)
+
+dist: wmbusmeters_0.8_$(DEBARCH).deb
+
+wmbusmeters_0.8_$(DEBARCH).deb:
+	@mkdir -p $(BUILD)/debian/wmbusmeters/DEBIAN
+	@mkdir -p $(BUILD)/debian/wmbusmeters/usr/local/bin
+	@cp $(BUILD)/wmbusmeters $(BUILD)/debian/wmbusmeters/usr/local/bin
+	@rm -f $(BUILD)/debian/wmbusmeters/DEBIAN/control
+	@echo "Package: wmbusmeters" >> $(BUILD)/debian/wmbusmeters/DEBIAN/control
+	@echo "Version: 0.8" >> $(BUILD)/debian/wmbusmeters/DEBIAN/control
+	@echo "Maintainer: Fredrik Öhrström" >> $(BUILD)/debian/wmbusmeters/DEBIAN/control
+	@echo "Architecture: $(DEBARCH)" >> $(BUILD)/debian/wmbusmeters/DEBIAN/control
+	@echo "Description: A tool to read wireless mbus telegrams from utility meters." >> $(BUILD)/debian/wmbusmeters/DEBIAN/control
+	@(cd $(BUILD)/debian; dpkg-deb --build wmbusmeters .)
+	@mv $(BUILD)/debian/wmbusmeters_0.8_$(DEBARCH).deb .
+	@echo Built package $@
 
 $(BUILD)/wmbusmeters: $(METERS_OBJS) $(BUILD)/main.o
 	$(CXX) -o $(BUILD)/wmbusmeters $(METERS_OBJS) $(BUILD)/main.o $(DEBUG_LDFLAGS) -lpthread

README.md

@@ -127,6 +127,11 @@ Binary generated: `./build_debug/wmbusmeters`
 
 Binary generated: `./build_arm_debug/wmbusmeters`
 
+`make HOST=arm dist`
+
+(Work in progress...)
+Binary generated: `./wmbusmeters_0.8_armhf.deb`
+
 # System configuration
 
 Add yourself to the dialout group to get access to the newly plugged in im871A USB stick.

meter_multical21.cc

@@ -1,5 +1,5 @@
 /*
- Copyright (C) 2017-2018 Fredrik Öhrström
+ Copyright (C) 2017-2019 Fredrik Öhrström
 
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
@@ -245,8 +245,10 @@ void MeterMultical21::processContent(Telegram *t)
 
     if (frame_type == 0x79)
     {
+        // This is a "compact frame" in wmbus lingo.
+        // (Other such frame_types are Ci=0x69, 0x6a, 0x6b and Ci=0x79, 0x7b, compact frames and format frames)
         // 0,1 = crc for format signature = hash over DRH (Data Record Header)
-        // The DRH is the dif(dife)vif(vife) bytes for all the records...
+        // The DRH is the dif(difes)vif(vifes) bytes for all the records...
         // This hash should be used to pick up a suitable format string.
         // Below, DRH is hardcoded to 02FF2004134413
         uchar ecrc0 = t->content[3];