572 lines
19 KiB
Python
572 lines
19 KiB
Python
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#!/usr/bin/env python3
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############################################################################
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# tools/stm32_pinmap_tool.py
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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# for python2.7 compatibility
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from __future__ import print_function
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import argparse
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import os
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import re
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import sys
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from argparse import RawTextHelpFormatter
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from glob import glob
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suffix = "_0"
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remaps_re = re.compile(r"(.*REMAP.*)=y")
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ip_block_re = re.compile(r"CONFIG_STM32[A-Z0-9]*_([A-Z0-9]+[0-9]*)=")
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stm32f1_re = re.compile(r"stm32f10[0-9][a-z]*_pinmap")
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speed_re = re.compile(r"(GPIO_(?:SPEED|MODE)_[zA-Z0-9]+)")
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port_re = re.compile(r"GPIO_PORT([A-Z])\|")
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pin_re = re.compile(r"GPIO_PIN(\d+)")
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define_re = re.compile(r"#\s*define\s+(GPIO.*)\s+(GPIO.*?)\s+")
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class GPIODef:
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def __init__(self, original_name, name, description):
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self.original_name = original_name
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self.name = name
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self.block = name.split("_")[1]
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self.speed = None
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s = speed_re.search(description)
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if s:
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self.speed = s.group(1)
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s = port_re.search(description)
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if s:
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self.port = s.group(1)
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s = pin_re.search(description)
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if s:
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self.pin = s.group(1)
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def __str__(self):
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fmt = "#define {0: <20} {1} /* P{2} */"
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if self.speed:
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if "MODE" in self.speed:
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if "MHz" in self.speed:
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# F1 has mode, MHz is output, we must adjust the speed
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fmt = "#define {0: <20} GPIO_ADJUST_MODE({1}, {3}) /* P{2} */ "
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else:
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# All others had a OSPEDD reg so we just set it
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fmt = "#define {0: <20} ({1} | {3}) /* P{2} */ "
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return fmt.format(
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self.original_name,
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self.name,
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self.port + self.pin,
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self.speed,
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)
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def __repr__(self):
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return f"<GPIODef block:{self.block} \
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original_name:{self.original_name} \
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name:{self.name} port:{self.port} \
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pin:{self.pin} speed:{self.speed}>"
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# Detect python version
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if sys.version_info[0] < 3:
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runningPython3 = False
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else:
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runningPython3 = True
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def parse_args():
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# Parse commandline arguments
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parser = argparse.ArgumentParser(
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formatter_class=RawTextHelpFormatter,
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description="""stm32_pinmap_tool.py
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This tool is used to migrate legacy stm32 pinmap files that
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had included pin speed (slew rate control) in pinmap pin definitions
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These speeds should have never been part of the arch defines as these
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are layout and board dependent. Therefore, the complete definition
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should be a composition of the pinmap defines and speed, and defined in
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board.h
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Furthermore, pinmaps did not suffix pins that had only one ALT
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appearance on a GPIO. Therefore there was no way to change the speed
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or any other pins attribute i.e. Pullup Pulldown, Push pull. Open Drain etc.
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The tool has a conversion mode and a report mode.
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Conversion mode tool use:
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Run the tool to do the conversion:
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i.e tools/stm32_pinmap_tool.py
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--pinmap arch/arm/src/stm32h7/hardware/stm32h7x3xx_pinmap.h
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--legacy > arch/arm/src/stm32h7/hardware/stm32h7x3xx_pinmap-new.h
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-- pinmap - the file to convert
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--legacy will make a copy of the pinmap. Properly updating the file with
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xxxx/xxxxxxx_legacy to the title block,
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and adding _LEGACY to the #ifdef, #define and endif comment of the inclusion guard.
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Conversion mode follow up edits:
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1. diff and verify the original pinmap and the pinmap-new.h are as expected.
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delete original pinmap
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rename pinmap-new.h to the original pinmap name.
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2. Edit the top level pinmap (i.e. arch/arm/src/stm32x/stm32x_pinmap.h) file and
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add a CONFIG_STM32xx_USE_LEGACY_PINMAP section
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that includes the legacy pinmap files.
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For example
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if defined(CONFIG_STM32H7_USE_LEGACY_PINMAP)
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if defined(CONFIG_STM32H7_STM32H7X3XX)
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include "hardware/stm32h7x3xx_pinmap_legacy.h"
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elif defined(CONFIG_STM32H7_STM32H7B3XX)
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include "hardware/stm32h7x3xx_pinmap_legacy.h"
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elif defined(CONFIG_STM32H7_STM32H7X7XX)
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include "hardware/stm32h7x3xx_pinmap_legacy.h"
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else
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error "Unsupported STM32 H7 Pin map"
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endif
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else
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if defined(CONFIG_STM32H7_STM32H7X3XX)
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include "hardware/stm32h7x3xx_pinmap.h"
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elif defined(CONFIG_STM32H7_STM32H7B3XX)
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include "hardware/stm32h7x3xx_pinmap.h"
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elif defined(CONFIG_STM32H7_STM32H7X7XX)
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include "hardware/stm32h7x3xx_pinmap.h"
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else
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error "Unsupported STM32 H7 Pin map"
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endif
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endif
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3. Add a STM32Hx_USE_LEGACY_PINMAP to the Kconfig defaulted to y
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For example
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config STM32H7_USE_LEGACY_PINMAP
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bool "Use the legacy pinmap with GPIO_SPEED_xxx included."
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default y
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---help---
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In the past, pinmap files included GPIO_SPEED_xxxMhz. These speed
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settings should have come from the board.h as it describes the wiring
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of the SoC to the board. The speed is really slew rate control and
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therefore is related to the layout and can only be properly set
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in board.h.
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STM32H7_USE_LEGACY_PINMAP is provided, to allow lazy migration to
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using pinmaps without speeds. The work required to do this can be aided
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by running tools/stm32_pinmap_tool.py. The tools will take a board.h
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file and a legacy pinmap and output the required changes that one needs
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to make to a board.h file.
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Eventually, STM32H7_USE_LEGACY_PINMAP will be deprecated and the legacy
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pinmaps removed from NuttX. Any new boards added should set
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STM32H7_USE_LEGACY_PINMAP=n and fully define the pins in board.h
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4. Add a warning to the xxx_gpio.c file
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For example
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#if defined(CONFIG_STM32_USE_LEGACY_PINMAP)
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# pragma message "CONFIG_STM32_USE_LEGACY_PINMAP will be deprecated migrate board.h see tools/stm32_pinmap_tool.py"
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#endif
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Report mode tool use:
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Run the tool to aid in migrating a board.h
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tools/stm32_pinmap_tool.py --pinmap arch/arm/src/stm32h7/hardware/stm32h7x3xx_pinmap_legacy.h
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--report <fullpath>/include/board.h
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it will output 2 sections that should be used to update the board.h.
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board.h defines that need to have speeds added.
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board.h defines that will need to be added:
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""",
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)
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parser.add_argument(
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"--pinmap",
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action="store",
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help="""pin map file to convert (changes are printed on stdout) or
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Legacy file pin map file named <filename>_legacy.<ext> to report board.h changes""",
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)
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parser.add_argument(
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"--report",
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default=False,
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action="store",
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help="Generate change set for a board",
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)
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parser.add_argument(
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"--legacy",
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default=False,
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action="store_true",
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help="If one does not exist, create a copy of the original pin map named <filename>_legacy.<ext>",
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)
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args = parser.parse_args()
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return args
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def create_legacy(source):
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legacy = source.replace(".h", "_legacy.h")
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sourceshort = source[source.find("arch") :]
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legacyshort = legacy[legacy.find("arch") :]
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srctag = "__" + sourceshort.upper().replace("/", "_")
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destag = "__" + legacyshort.upper().replace("/", "_").replace(".", "_")
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if not os.path.isfile(legacy):
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fout = open(legacy, "w")
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fin = open(source, "r")
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for line in fin:
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out = re.sub(sourceshort, legacyshort, line)
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out = re.sub(srctag, destag, out)
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fout.write(out)
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fout.close()
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fin.close()
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def read_defconfigs(boardfile_path):
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configs_lines = []
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defconfigs_files = []
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for dir, _, _ in os.walk(boardfile_path[: boardfile_path.find("include/board.h")]):
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defconfigs_files.extend(glob(os.path.join(dir, "defconfig")))
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for file in defconfigs_files:
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defconfigfile = open(file, "r")
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configs_lines.extend(defconfigfile.readlines())
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defconfigfile.close()
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return configs_lines
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def build_ip_remap_list(boardfile_path):
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ip_blocks = []
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ip_remaps = []
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configs_lines = read_defconfigs(boardfile_path)
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configs_lines = sorted(set(configs_lines))
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for line in configs_lines:
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s = ip_block_re.search(line)
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if s:
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ip_blocks.extend([s.group(1)])
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else:
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s = remaps_re.search(line)
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if s:
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ip_remaps.extend([s.group(1)])
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return [ip_blocks, ip_remaps]
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def read_board_h(boardfile_path):
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boardfile = open(boardfile_path, "r")
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lines = boardfile.readlines()
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boardfile.close()
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return lines
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def formated_print(lines):
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maxlen = 0
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for line in lines:
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linelen = line.find("/*")
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if linelen > maxlen:
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maxlen = linelen
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for line in lines:
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linelen = line.find("/*")
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if linelen > 1 and linelen < maxlen:
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nl = line[:linelen] + " " * (maxlen - linelen) + line[linelen:]
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line = nl
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print(line)
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def report(boardfile_path, boards_ip_blocks, changelog, changelog_like):
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output = [
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"",
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]
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output.extend(
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[
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"""
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There were 3 issues with the Legacy pinmaps.
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1. The legacy version of the pin defines included speed settings. (These are
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in reality, slew rates).
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2. Legacy pinmaps erroneously added speeds on pins that are only used
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as an inputs (i.e UART4_RX). These speeds can be removed from the board.h
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defines.
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3. Also the legacy version of the pin defines did not have a suffix on all
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pins and therefore all pins could not have the attributes set or changed
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by board.h
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The new pinmaps correct these issues:
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Pin that had an explicit (GPIO_SPEED|MODE)_xxxMHz are removed or set to
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the lowest speed.
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If the pin had only one choice previously (un-suffixed) the pin name now
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contains _0 as the suffix.
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N.B. The correct speed setting for a given pin is very dependent on the
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layout of the circuit board and load presented to the SoC on that pin.
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The speeds listed below are from the Legacy pinmaps and are provided ONLY
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to insure these changes do not break existing systems that are relying on
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the legacy speed settings.
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It highly recommended that the speed setting for each pin be verified for
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overshoot and undershoot on real hardware and adjusted in the board,h
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appropriately.
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board.h defines that need to have speeds added.
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"""
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]
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)
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boards_blocks = []
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Lines = read_board_h(boardfile_path)
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for line in Lines:
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s = define_re.search(line)
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if s:
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# #define GPIO_SD_CK GPIO_SD_CK_1 /* PD6 FC_PD6_SD_CK */
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define = s.group(1)
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original_name = s.group(2)
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change = changelog.get(original_name)
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if change:
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pindef = GPIODef(define, original_name, line)
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if pindef.block not in boards_blocks:
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boards_blocks.append(pindef.block)
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output.extend([f"\n/* {pindef.block} */\n"])
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output.extend([str(changelog[original_name])])
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if len(boards_blocks) == 0:
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output.extend(
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[
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"""
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No pins are defined in board.h to change speeds on (most likely an stm32f1")
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We will define all the pins used next...
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"""
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]
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)
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formated_print(output)
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output = []
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|
||
|
|
output.extend(
|
||
|
|
[
|
||
|
|
"""
|
||
|
|
|
||
|
|
Pin that had only one choice previously (un-suffixed) pins will need to be
|
||
|
|
defined in board.h to map the un-suffixed) pin name used in the drives to
|
||
|
|
the _0 suffixed ones.
|
||
|
|
|
||
|
|
Pins that did not have an explicit (GPIO_SPEED|MODE)_xxxMHz specified are
|
||
|
|
listed with the pin name containing the new suffix.
|
||
|
|
|
||
|
|
|
||
|
|
board.h defines that may need to be added if the pins are used on the board:
|
||
|
|
|
||
|
|
|
||
|
|
"""
|
||
|
|
]
|
||
|
|
)
|
||
|
|
|
||
|
|
for block in boards_ip_blocks:
|
||
|
|
change = changelog_like.get(block)
|
||
|
|
if change:
|
||
|
|
block_title = f"\n/* {block} */\n"
|
||
|
|
for gpio in change:
|
||
|
|
if re.search(r"_\d+$", gpio.original_name) is None:
|
||
|
|
if block_title:
|
||
|
|
output.extend([block_title])
|
||
|
|
block_title = None
|
||
|
|
output.extend([str(gpio)])
|
||
|
|
|
||
|
|
formated_print(output)
|
||
|
|
|
||
|
|
|
||
|
|
def formatcols(list, cols):
|
||
|
|
lines = ("\t".join(list[i : i + cols]) for i in range(0, len(list), cols))
|
||
|
|
return "\n".join(lines)
|
||
|
|
|
||
|
|
|
||
|
|
def parse_conditional(lines, conditions):
|
||
|
|
defines = []
|
||
|
|
|
||
|
|
def_remap_re = re.compile(r"\s*defined\s*\((.*REMAP.*)\)")
|
||
|
|
def_else_re = re.compile(r"#\s*else")
|
||
|
|
def_endif_re = re.compile(r"#\s*endif")
|
||
|
|
|
||
|
|
active_define = None
|
||
|
|
output = True
|
||
|
|
once = False
|
||
|
|
|
||
|
|
for line in lines:
|
||
|
|
# process #[el]if define(...REMAP)
|
||
|
|
s = def_remap_re.search(line)
|
||
|
|
if s:
|
||
|
|
once = True
|
||
|
|
define = s.group(1)
|
||
|
|
if define in conditions:
|
||
|
|
active_define = define
|
||
|
|
output = True
|
||
|
|
else:
|
||
|
|
output = False
|
||
|
|
else:
|
||
|
|
# process #endif
|
||
|
|
s = def_endif_re.search(line)
|
||
|
|
if s:
|
||
|
|
active_define = None
|
||
|
|
output = True
|
||
|
|
else:
|
||
|
|
# process #elese
|
||
|
|
s = def_else_re.search(line)
|
||
|
|
if s:
|
||
|
|
once = True
|
||
|
|
# the if or elif was taken do not output the else
|
||
|
|
if active_define:
|
||
|
|
output = False
|
||
|
|
else:
|
||
|
|
output = output ^ True
|
||
|
|
|
||
|
|
if once or output:
|
||
|
|
once = False
|
||
|
|
defines.extend([line])
|
||
|
|
return defines
|
||
|
|
|
||
|
|
|
||
|
|
def formmatter(args):
|
||
|
|
# if pinmap passed is a legacy pinmap. Just generate a report
|
||
|
|
report_only = args.report is not False
|
||
|
|
|
||
|
|
speed_not_mode = stm32f1_re.search(args.pinmap) is None
|
||
|
|
|
||
|
|
if not report_only and args.legacy is True:
|
||
|
|
create_legacy(args.pinmap)
|
||
|
|
|
||
|
|
pinfile = open(args.pinmap, "r")
|
||
|
|
Lines = pinfile.readlines()
|
||
|
|
|
||
|
|
if report_only:
|
||
|
|
boards_ip_blocks, remaps = build_ip_remap_list(args.report)
|
||
|
|
print(
|
||
|
|
f"\n\nBoard enabled Blocks:\n\n{formatcols(sorted(boards_ip_blocks), 8)}\n\n"
|
||
|
|
)
|
||
|
|
if (
|
||
|
|
"ADC1" in boards_ip_blocks
|
||
|
|
or "ADC2" in boards_ip_blocks
|
||
|
|
or "ADC3" in boards_ip_blocks
|
||
|
|
):
|
||
|
|
boards_ip_blocks.extend(["ADC12"])
|
||
|
|
boards_ip_blocks.extend(["ADC123"])
|
||
|
|
boards_ip_blocks = sorted(boards_ip_blocks)
|
||
|
|
# Filter out ifdefed by remap conditionals (F1)
|
||
|
|
if len(remaps) > 0:
|
||
|
|
Lines = parse_conditional(Lines, remaps)
|
||
|
|
|
||
|
|
Pass = False
|
||
|
|
inComment = False
|
||
|
|
|
||
|
|
changelog = {}
|
||
|
|
changelog_like = {}
|
||
|
|
pass_list = [r"#\s*if", r"#\s*else", r"#\s*end", r"#\s*include", r"#\s*undef"]
|
||
|
|
pass_list_re = re.compile("|".join(pass_list))
|
||
|
|
|
||
|
|
for line in Lines:
|
||
|
|
if len(line.strip()) == 0:
|
||
|
|
Pass = True
|
||
|
|
if pass_list_re.search(line):
|
||
|
|
Pass = True
|
||
|
|
if "#define" in line and "GPIO" not in line:
|
||
|
|
Pass = True
|
||
|
|
if "defined(" in line:
|
||
|
|
Pass = True
|
||
|
|
if "/*" in line:
|
||
|
|
inComment = True
|
||
|
|
Pass = True
|
||
|
|
if "*/" in line:
|
||
|
|
inComment = False
|
||
|
|
Pass = True
|
||
|
|
if Pass or inComment:
|
||
|
|
Pass = False
|
||
|
|
if not report_only:
|
||
|
|
print(line.rstrip(), end="")
|
||
|
|
else:
|
||
|
|
changed = False
|
||
|
|
# split the line on spaces
|
||
|
|
pieces = line.split()
|
||
|
|
# deal with white space in the # define for nested defines
|
||
|
|
sel = 0
|
||
|
|
# Does it have white space then use next set?
|
||
|
|
if pieces[0] == "#":
|
||
|
|
sel = 1
|
||
|
|
original_name = pieces[sel + 1]
|
||
|
|
gpiocgf = pieces[sel + 2]
|
||
|
|
new_name = original_name
|
||
|
|
if re.search(r"_\d+$", original_name) is None:
|
||
|
|
# Add suffix
|
||
|
|
pad = ""
|
||
|
|
sel = line.find(original_name) + len(original_name)
|
||
|
|
if line[sel + len(suffix)] == "(":
|
||
|
|
pad = " "
|
||
|
|
if line[sel + len(suffix)] == "G":
|
||
|
|
pad = " ("
|
||
|
|
nl = line[:sel] + suffix + pad + line[sel + len(suffix) :]
|
||
|
|
new_name = original_name + suffix
|
||
|
|
changed = True
|
||
|
|
else:
|
||
|
|
nl = line
|
||
|
|
# Remove the speed or chege the Mode
|
||
|
|
if speed_not_mode:
|
||
|
|
ol = re.sub(r"\s*GPIO_SPEED_[zA-Z0-9]+\s*\|", "", nl)
|
||
|
|
else:
|
||
|
|
ol = re.sub(
|
||
|
|
r"(\s*)GPIO_MODE_[0-9]+MHz(\s*\|)", r"\g<1>GPIO_MODE_2MHz\g<2>", nl
|
||
|
|
)
|
||
|
|
|
||
|
|
changed = changed or ol != nl
|
||
|
|
if not report_only:
|
||
|
|
print(ol.strip(), end="")
|
||
|
|
if args.report and changed:
|
||
|
|
changelog[original_name] = pindef = GPIODef(
|
||
|
|
original_name, new_name, gpiocgf
|
||
|
|
)
|
||
|
|
|
||
|
|
# create changes by block if enabled
|
||
|
|
if pindef.block in boards_ip_blocks:
|
||
|
|
# Is block in already?
|
||
|
|
if pindef.block in changelog_like:
|
||
|
|
# do not duplicate it
|
||
|
|
if pindef not in changelog_like[pindef.block]:
|
||
|
|
changelog_like[pindef.block].append(pindef)
|
||
|
|
else:
|
||
|
|
changelog_like[pindef.block] = [pindef]
|
||
|
|
|
||
|
|
if not report_only:
|
||
|
|
print("")
|
||
|
|
if args.report:
|
||
|
|
report(args.report, boards_ip_blocks, changelog, changelog_like)
|
||
|
|
|
||
|
|
|
||
|
|
def main():
|
||
|
|
# Python2 is EOL
|
||
|
|
if not runningPython3:
|
||
|
|
raise RuntimeError(
|
||
|
|
"Python 2 is not supported. Please try again using Python 3."
|
||
|
|
)
|
||
|
|
args = parse_args()
|
||
|
|
formmatter(args)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
main()
|