Files
allwpilib/wpilibc/generate_first_ds_hids.py
Thad House 97381549e6 [wpilib,cmd] Add new generation for gamepads (#8957)
SDL makes these schemas much simpler, so its easier to support more
controllers.
2026-06-11 16:06:45 -07:00

238 lines
7.6 KiB
Python

#!/usr/bin/env python3
# Copyright (c) FIRST and other WPILib contributors.
# Open Source Software; you can modify and/or share it under the terms of
# the WPILib BSD license file in the root directory of this project.
import argparse
import json
import re
from pathlib import Path
from jinja2 import Environment, FileSystemLoader
def write_controller_file(output_dir: Path, controller_name: str, contents: str):
output_dir.mkdir(parents=True, exist_ok=True)
output_file = output_dir / controller_name
output_file.write_text(contents, encoding="utf-8", newline="\n")
def _capitalize_first(name: str) -> str:
return name[0].upper() + name[1:]
def _display_name(name: str) -> str:
name = re.sub(r"([a-z0-9])([A-Z])", r"\1 \2", name)
name = re.sub(r"([A-Z]+)([A-Z][a-z])", r"\1 \2", name)
name = re.sub(r"([A-Za-z])([0-9])", r"\1 \2", name)
return name[0].upper() + name[1:]
def _constant_name(name: str) -> str:
name = re.sub(r"([A-Z]+)([A-Z][a-z])", r"\1_\2", name)
name = re.sub(r"([a-z0-9])([A-Z])", r"\1_\2", name)
name = re.sub(r"([a-z])([0-9])", r"\1_\2", name)
return name.upper()
def _normalize_mapping(mapping: dict[str, int]):
return [
{
"Name": name,
"MethodName": _capitalize_first(name),
"ConstantName": _constant_name(name),
"DocName": _display_name(name),
"value": value,
}
for name, value in mapping.items()
]
def _supported_outputs(controller: dict):
supports = controller["supports"]
outputs = []
if supports["monoLed"]:
outputs.append("MONO_LED")
if supports["rgbLed"]:
outputs.append("RGB_LED")
if supports["rumble"]:
outputs.append("RUMBLE")
if supports["triggerRumble"]:
outputs.append("TRIGGER_RUMBLE")
return outputs
def _supported_outputs_value(outputs: list[str]):
values = {
"MONO_LED": 0x1,
"RGB_LED": 0x2,
"RUMBLE": 0x8,
"TRIGGER_RUMBLE": 0x10,
}
result = 0
for output in outputs:
result |= values[output]
return result
def _availability_mask(mapping: list[dict]):
result = 0
for entry in mapping:
result |= 1 << entry["value"]
return result
def _hex_literal(value: int):
return f"0x{value:X}"
def _normalize_controller(controller: dict):
normalized = dict(controller)
normalized["axes"] = _normalize_mapping(controller["axes"])
normalized["buttons"] = _normalize_mapping(controller["buttons"])
normalized["supportedOutputs"] = _supported_outputs(controller)
normalized["SupportedOutputsValue"] = _supported_outputs_value(
normalized["supportedOutputs"]
)
normalized["AxesMaximumIndex"] = (
max(axis["value"] for axis in normalized["axes"]) + 1
if normalized["axes"]
else 0
)
normalized["ButtonsMaximumIndex"] = (
max(button["value"] for button in normalized["buttons"]) + 1
if normalized["buttons"]
else 0
)
normalized["AxesAvailableMask"] = _hex_literal(
_availability_mask(normalized["axes"])
)
normalized["ButtonsAvailableMask"] = _hex_literal(
_availability_mask(normalized["buttons"])
)
return normalized
def generate_first_ds_hids(
output_directory: Path,
template_directory: Path,
schema_file: Path,
test_output_directory: Path | None = None,
):
with schema_file.open(encoding="utf-8") as f:
controllers = [_normalize_controller(controller) for controller in json.load(f)]
hdr_subdirectory = "main/native/include/wpi/driverstation"
env = Environment(
loader=FileSystemLoader(template_directory / hdr_subdirectory),
autoescape=False,
keep_trailing_newline=True,
)
root_path = output_directory / hdr_subdirectory
template = env.get_template("first_ds_hid.hpp.jinja")
for controller in controllers:
controller_name = f"{controller['ClassName']}Controller.hpp"
output = template.render(controller)
write_controller_file(root_path, controller_name, output)
cpp_subdirectory = "main/native/cpp/driverstation"
env = Environment(
loader=FileSystemLoader(template_directory / cpp_subdirectory),
autoescape=False,
keep_trailing_newline=True,
)
root_path = output_directory / cpp_subdirectory
template = env.get_template("first_ds_hid.cpp.jinja")
for controller in controllers:
controller_name = f"{controller['ClassName']}Controller.cpp"
output = template.render(controller)
write_controller_file(root_path, controller_name, output)
sim_hdr_subdirectory = "main/native/include/wpi/simulation"
env = Environment(
loader=FileSystemLoader(template_directory / sim_hdr_subdirectory),
autoescape=False,
keep_trailing_newline=True,
)
root_path = output_directory / sim_hdr_subdirectory
template = env.get_template("first_ds_hidsim.hpp.jinja")
for controller in controllers:
controller_name = f"{controller['ClassName']}ControllerSim.hpp"
output = template.render(controller)
write_controller_file(root_path, controller_name, output)
sim_cpp_subdirectory = "main/native/cpp/simulation"
env = Environment(
loader=FileSystemLoader(template_directory / sim_cpp_subdirectory),
autoescape=False,
keep_trailing_newline=True,
)
root_path = output_directory / sim_cpp_subdirectory
template = env.get_template("first_ds_hidsim.cpp.jinja")
for controller in controllers:
controller_name = f"{controller['ClassName']}ControllerSim.cpp"
output = template.render(controller)
write_controller_file(root_path, controller_name, output)
if test_output_directory is not None:
env = Environment(
loader=FileSystemLoader(template_directory / "test/native/cpp"),
autoescape=False,
keep_trailing_newline=True,
)
root_path = test_output_directory / "native/cpp"
template = env.get_template("first_ds_hid_test.cpp.jinja")
for controller in controllers:
controller_name = f"{controller['ClassName']}ControllerTest.cpp"
output = template.render(controller)
write_controller_file(root_path, controller_name, output)
def main():
script_path = Path(__file__).resolve()
dirname = script_path.parent
parser = argparse.ArgumentParser()
parser.add_argument(
"--output_directory",
help="Optional. If set, will output the generated files to this directory, otherwise it will use a path relative to the script",
default=dirname / "src/generated",
type=Path,
)
parser.add_argument(
"--template_root",
help="Optional. If set, will use this directory as the root for the jinja templates",
default=dirname / "src/generate",
type=Path,
)
parser.add_argument(
"--schema_file",
help="Optional. If set, will use this file for the FIRST Driver Station HID schema",
default="wpilibj/src/generate/first_ds_hids.json",
type=Path,
)
parser.add_argument(
"--test_output_directory",
help="Optional. If set, will output generated tests to this directory",
default=dirname / "src/generated/test",
type=Path,
)
args = parser.parse_args()
test_output_directory = (
None
if args.test_output_directory.name == "__none__"
else args.test_output_directory
)
generate_first_ds_hids(
args.output_directory,
args.template_root,
args.schema_file,
test_output_directory,
)
if __name__ == "__main__":
main()