mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-05-19 01:39:07 +08:00
fc3acdb2c1
Use a struct to contain all the parameters so the ordering in memory is not machine dependent. Add number of parameters to the param struct. The struct actually allows direct accessing by the member name if desired. Signed-off-by: Mark Charlebois <charlebm@gmail.com>
88 lines
2.0 KiB
Python
Executable File
88 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python
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import xml.etree.ElementTree as ET
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import os
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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>"
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raise SystemExit
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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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tree = ET.parse(os.sys.argv[1])
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root = tree.getroot()
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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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// DO NOT EDIT
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// This file is autogenerated from paramaters.xml
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struct px4_parameters_t {
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"""
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start_name = ""
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end_name = ""
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for group in root:
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if group.tag == "group":
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header += """
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/*****************************************************************
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* %s
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****************************************************************/""" % group.attrib["name"]
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for param in group:
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if not start_name:
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start_name = param.attrib["name"]
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end_name = param.attrib["name"]
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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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static const
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__attribute__((used, section("__param")))
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struct px4_parameters_t px4_parameters_impl = {
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"""
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i=0
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for group in root:
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if group.tag == "group":
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src += """
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/*****************************************************************
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* %s
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****************************************************************/""" % group.attrib["name"]
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for param in group:
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if not start_name:
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start_name = param.attrib["name"]
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end_name = param.attrib["name"]
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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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.val.f = %s
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},
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""" % (param.attrib["name"], param.attrib["type"], 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 __attribute__((alias("px4_parameters_impl")));
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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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