templates: nodemcu-arduino: better symbol names.

o Adding some documentation to the readme. Adding a small flow chart illustrating how the tool work with a schematic, netlist and template to generate a header file.

12 files changed, 445 insertions, 15 deletions

diff --git a/.gitmodules b/.gitmodules
index 83b6a4d..50c8663 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,3 +5,6 @@
 [submodule "python/pybind11"]
 	path = python/pybind11
 	url = https://github.com/pybind/pybind11
+[submodule "thirdparty/antlr4"]
+	path = thirdparty/antlr4
+	url = https://github.com/trygvis/antlr4
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3b4c6e1..58d3aa4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,5 +8,6 @@ add_compile_options(-Wextra)
 add_subdirectory(core)
 add_subdirectory(python)
 add_subdirectory(cli)
+add_subdirectory(doc)
 
 #add_subdirectory(examples)
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..af174b6
--- /dev/null
+++ b/README.md
@@ -0,0 +1,76 @@
+Kicad utils contains utilities for automating your Kicad workflow.
+
+# generate-header
+
+Generate header is a tool to generate header files from your schematics to ensure that your schematic and
+pin mapping always is correct.
+
+![flow]
+
+[flow]: doc/flow.svg "Flow with generate-header"
+
+## Command line usage
+
+You can use the generate-header tool as a standalone command line tool like this:
+
+    generate-header -n schematic/foo.net -r U1 -t intel-quark-d2000 -o firmware/schematic.h
+
+The usage is summarized like this:
+
+    usage: generate-header -n <net file> -r <ref> -t <template> [-l <template lib dir>] [-o <out file>]
+
+## CMake integration
+
+Put this in your `CMakeLists.txt`:
+
+    find_package(KicadUtils)
+
+    kicad_generate_header(
+        OUTPUT schematic.h
+        NET schematic/intel-quark-d2000.net
+        REF U1
+        TEMPLATE intel-quark-d2000)
+
+and `schematic.h` will automatically be generated. CMake now knows that `schematic.h` is generated and depends on 
+`schematic/intel-quark-d2000.net`.
+
+# Templates
+
+The templates are simply Python files that map from the part's pin number to a platform-specific symbol. The 
+`kicad-utils` KiCAD library contains parts with pins that act as documentation for what the pins mean. If you don't use
+the `kicad-utils` library, make sure that your pin usage matches what is used in the library.
+ 
+For example the `nodemcu-arduino` template will assume that the part follows the pin ordering and usage for the 
+`NODEMCU` part in the library and that it used the Arduino IDE with the ESP8266 board package. The generated header file
+will look like this:
+
+    namespace schematic {
+
+    static const int AD0 = D0;
+    ...    
+    }
+
+
+# Building
+
+## Antlr4
+
+Kicad utils needs a fork of Antlr4 with better CMake support.
+
+    mkdir thirdparty/antlr4/build
+    cd thirdparty/antlr4/build
+    cmake .. \
+        -DCMAKE_INSTALL_PREFIX=$HOME/opt/antlr4-cpp
+    make
+    make install
+
+## Kicad utils
+
+    mkdir build
+    cd build
+    cmake .. \
+        -DAntlr4_DIR=$HOME/opt/antlr4-cpp/lib/cmake/Antlr4 \
+        -DCMAKE_INSTALL_PREFIX=$HOME/opt/kicad-utils \
+        -DCMAKE_INSTALL_RPATH_USE_LINK_PATH=YES
+    make
+    make install
diff --git a/cli/generate-header.cpp b/cli/generate-header.cpp
index 3ff39f6..bc02277 100644
--- a/cli/generate-header.cpp
+++ b/cli/generate-header.cpp
@@ -35,7 +35,7 @@ char *program;
 __attribute__((noreturn))
 void usage(const char *reason = nullptr) {
     if (reason) {
-        fprintf(stderr, "%s\n", reason);
+        fprintf(stderr, "error: %s\n", reason);
     }
     fprintf(stderr, "usage: %s -n <net file> -r <ref> -t <template> [-l <template lib dir>] [-o <out file>]\n",
             program);
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
new file mode 100644
index 0000000..9c7fdb7
--- /dev/null
+++ b/doc/CMakeLists.txt
@@ -0,0 +1,24 @@
+function(add_tikz_target TIKZ_FILE TEMPLATE)
+    get_filename_component(basename ${TIKZ_FILE} NAME_WE)
+    set(pdf_file "${basename}.pdf")
+    set(svg_file "${basename}.svg")
+
+    add_custom_command(OUTPUT ${pdf_file}
+        COMMAND echo "'\\def\\\\tikzfile{${CMAKE_CURRENT_SOURCE_DIR}/${TIKZ_FILE}}'" > tmp.tex
+        COMMAND echo "'\\input{${CMAKE_CURRENT_SOURCE_DIR}/template-tex.tex}}'" >> tmp.tex
+        COMMAND pdflatex -jobname ${basename} -file-line-error -interaction nonstopmode tmp.tex >/dev/null
+        COMMAND cmake -E remove tmp.tex
+        MAIN_DEPENDENCY ${TIKZ_FILE}
+        COMMENT "Generating ${pdf_file}"
+        )
+
+    add_custom_command(OUTPUT ${svg_file}
+        COMMAND pdf2svg ${pdf_file} ${svg_file}
+        COMMAND cmake -E copy_if_different ${svg_file} ${CMAKE_CURRENT_SOURCE_DIR}/${svg_file}
+        MAIN_DEPENDENCY ${pdf_file}
+        COMMENT "Generating ${svg_file}"
+        )
+endfunction()
+
+add_tikz_target(flow.tikz template-qtikz.tex)
+add_custom_target(doc DEPENDS flow.svg)
diff --git a/doc/flow.svg b/doc/flow.svg
new file mode 100644
index 0000000..688e300
--- /dev/null
+++ b/doc/flow.svg
@@ -0,0 +1,235 @@
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diff --git a/doc/flow.tikz b/doc/flow.tikz
new file mode 100644
index 0000000..4c6c49e
--- /dev/null
+++ b/doc/flow.tikz
@@ -0,0 +1,29 @@
+\begin{tikzpicture}
+[
+major/.style={rectangle,draw,rounded corners, thick, align=center, minimum size=20mm},
+minor/.style={rectangle,draw,rounded corners, thick, minimum width=40mm, minimum height=15mm}
+]
+
+\node (generate-header)[major] {\texttt{generate-header}};
+\node (netlist)[major, above=5em of generate-header] {Netlist\\\texttt{foo.net}};
+\node (schematic)[major, above=5em of netlist] {Schematic\\\texttt{foo.sch}};
+\node (header)[major, below=5em of generate-header] {Header\\\texttt{foo.h}};
+\node (template)[major, left=5em of netlist] {Template\\\texttt{my-template}};
+
+\draw [-Straight Barb, thick]
+  (schematic.south) -- (netlist.north)
+  node[above, midway] {};
+
+\draw [-Straight Barb, thick]
+  (netlist.south) -- (generate-header.north)
+  node[above, near end] {};
+
+\draw [-Straight Barb, thick]
+  (generate-header.south) -- (header.north)
+  node[above, midway] {};
+
+\draw [-Straight Barb, thick]
+  (template.south) |- (generate-header.west)
+  node[above, near end] {};
+
+\end{tikzpicture}
diff --git a/doc/template-qtikz.tex b/doc/template-qtikz.tex
new file mode 100644
index 0000000..45a9e74
--- /dev/null
+++ b/doc/template-qtikz.tex
@@ -0,0 +1,15 @@
+\documentclass{standalone}
+\usepackage{tikz}
+\usetikzlibrary{arrows.meta}
+\usetikzlibrary{backgrounds}
+\usetikzlibrary{calc}
+\usetikzlibrary{fit}
+\usetikzlibrary{positioning}
+
+\usepackage{flowchart}
+
+\tikzstyle{every picture}+=[font=\sffamily]
+
+\begin{document}
+<>
+\end{document}
diff --git a/doc/template-tex.tex b/doc/template-tex.tex
new file mode 100644
index 0000000..5329710
--- /dev/null
+++ b/doc/template-tex.tex
@@ -0,0 +1,15 @@
+\documentclass{standalone}
+\usepackage{tikz}
+\usetikzlibrary{arrows.meta}
+\usetikzlibrary{backgrounds}
+\usetikzlibrary{calc}
+\usetikzlibrary{fit}
+\usetikzlibrary{positioning}
+
+\usepackage{flowchart}
+
+\tikzstyle{every picture}+=[font=\sffamily]
+
+\begin{document}
+\input{\tikzfile}
+\end{document}
diff --git a/kicad/kicad-utils.pro b/kicad/kicad-utils.pro
new file mode 100644
index 0000000..d6cdf98
--- /dev/null
+++ b/kicad/kicad-utils.pro
@@ -0,0 +1,32 @@
+update=Sun 07 Aug 2016 14:04:39 CEST
+version=1
+last_client=kicad
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[general]
+version=1
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+LibName1=kicad_utils
diff --git a/templates/nodemcu-arduino.py b/templates/nodemcu-arduino.py
index 1f258e6..ab0f283 100644
--- a/templates/nodemcu-arduino.py
+++ b/templates/nodemcu-arduino.py
@@ -12,26 +12,26 @@ gpio_map = {
     8: None,  # SD0
     9: None,  # CMD
     10: None,  # SD1
-    11: '9',  # SD2
-    12: '10',  # SD3
+    11: 'D9',  # SD2
+    12: 'D10',  # SD3
     13: None,  # RSV
     14: None,  # RSV
-    15: '0',  # A0
+    15: 'D0',  # A0
 
     # Right side
-    16: '16',
-    17: '5',
-    18: '4',
-    19: '0',
-    20: '2',
+    16: 'D16',
+    17: 'D5',
+    18: 'D4',
+    19: 'D0',
+    20: 'D2',
     21: None, # 3V3
     22: None, # Gnd
-    23: '14',
-    24: '12',
-    25: '13',
-    26: '15',
-    27: '3',
-    28: '1',
+    23: 'D14',
+    24: 'D12',
+    25: 'D13',
+    26: 'D15',
+    27: 'D3',
+    28: 'D1',
     29: None, # GND
     30: None, # 3V3
 }
diff --git a/thirdparty/antlr4 b/thirdparty/antlr4
new file mode 160000
+Subproject f47e9548b77ef4fc84291a66ff3d19fb0807ad3