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https://gitee.com/mirrors_PX4/PX4-Autopilot.git
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Fix param scoping to use cmake for parsing.
This commit is contained in:
James Goppert
committed by
Lorenz Meier
Lorenz Meier
parent
44c8857354
commit
85f62f5da0
+50
-94
@@ -1,107 +1,63 @@
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#!/usr/bin/env python
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"""
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Param source code generation script.
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"""
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from __future__ import print_function
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import xml.etree.ElementTree as ET
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import os
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import re
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import codecs
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import argparse
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from jinja2 import Environment, FileSystemLoader
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import os
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from px4params import scope, cmakeparser
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def generate(xml_file, dest='.', modules=None):
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"""
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Generate px4 param source from xml.
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if len(os.sys.argv) < 2:
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print("Error in %s" % os.sys.argv[0])
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print("Usage: %s <parameters.xml> [cmake-file-scoping] " % os.sys.argv[0])
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raise SystemExit
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@param xml_file: input parameter xml file
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@param dest: Destination directory for generated files
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@param modules: The list of px4 modules to search for params.
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None means to scan everything.
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"""
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# pylint: disable=broad-except
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tree = ET.parse(xml_file)
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root = tree.getroot()
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cmake_scope = scope.Scope()
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if len(os.sys.argv) == 3:
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with codecs.open(os.sys.argv[2], 'r', 'utf-8') as f:
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try:
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contents = f.read()
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f.close()
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parser = cmakeparser.CMakeParser()
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parser.Parse(cmake_scope, contents)
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except:
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contents = ''
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print('Failed reading file: %s, skipping scoping.' % os.sys.argv[2])
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pass
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params = []
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for group in root:
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if group.tag == "group" and "no_code_generation" not in group.attrib:
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for param in group:
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scope_ = param.find('scope').text
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if (modules is not None) and (not scope_ in modules):
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continue
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params.append(param)
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fp_header = open("px4_parameters.h", "w")
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fp_src = open("px4_parameters.c", "w")
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params = sorted(params, key=lambda name: name.attrib["name"])
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tree = ET.parse(os.sys.argv[1])
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root = tree.getroot()
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script_path = os.path.dirname(os.path.realpath(__file__))
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# Generate the header file content
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header = """
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#include <stdint.h>
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#include <systemlib/param/param.h>
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# for jinja docs see: http://jinja.pocoo.org/docs/2.9/api/
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env = Environment(
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loader=FileSystemLoader(os.path.join(script_path, 'templates')))
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// DO NOT EDIT
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// This file is autogenerated from parameters.xml
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if not os.path.isdir(dest):
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os.path.mkdir(dest)
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__BEGIN_DECLS
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template_files = [
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'px4_parameters.h.jinja',
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'px4_parameters.c.jinja',
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]
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for template_file in template_files:
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template = env.get_template(template_file)
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with open(os.path.join(
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dest, template_file.replace('.jinja','')), 'w') as fid:
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fid.write(template.render(params=params))
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struct px4_parameters_t {
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"""
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params = []
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for group in root:
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if group.tag == "group" and "no_code_generation" not in group.attrib:
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for param in group:
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scope_ = param.find('scope').text
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if not cmake_scope.Has(scope_):
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continue
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params.append(param)
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if __name__ == "__main__":
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arg_parser = argparse.ArgumentParser()
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arg_parser.add_argument("--xml", help="parameter xml file")
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arg_parser.add_argument("--modules", help="px4 module list", default=None)
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arg_parser.add_argument("--dest", help="destination path", default=os.path.curdir)
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args = arg_parser.parse_args()
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generate(xml_file=args.xml, modules=args.modules, dest=args.dest)
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params = sorted(params, key=lambda name: name.attrib["name"])
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for param in params:
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header += """
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const struct param_info_s __param__%s;""" % param.attrib["name"]
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header += """
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const unsigned int param_count;
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};
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extern const struct px4_parameters_t px4_parameters;
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"""
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# Generate the C file content
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src = """
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#include <px4_parameters.h>
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// DO NOT EDIT
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// This file is autogenerated from paramaters.xml
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const
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#ifndef __PX4_DARWIN
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__attribute__((used, section("__param")))
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#endif
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struct px4_parameters_t px4_parameters = {
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"""
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i=0
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for param in params:
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val_str = "#error UNKNOWN PARAM TYPE, FIX px_generate_params.py"
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if (param.attrib["type"] == "FLOAT"):
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val_str = ".val.f = "
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elif (param.attrib["type"] == "INT32"):
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val_str = ".val.i = "
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i+=1
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src += """
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{
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"%s",
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PARAM_TYPE_%s,
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%s%s
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},
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""" % (param.attrib["name"], param.attrib["type"], val_str, param.attrib["default"])
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src += """
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%d
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};
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//extern const struct px4_parameters_t px4_parameters;
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__END_DECLS
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""" % i
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fp_header.write(header)
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fp_src.write(src)
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fp_header.close()
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fp_src.close()
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# vim: set et fenc=utf-8 ff=unix sts=4 sw=4 ts=4 :
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