414 lines
14 KiB
Python
414 lines
14 KiB
Python
# Copyright 2014-present PlatformIO <contact@platformio.org>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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from platform import system
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from os import makedirs
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from os.path import isdir, join, isfile
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import re
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import time
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from shutil import copyfile
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from platformio.public import list_serial_ports
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from SCons.Script import (ARGUMENTS, COMMAND_LINE_TARGETS, AlwaysBuild,
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Builder, Default, DefaultEnvironment)
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def BeforeUpload(target, source, env): # pylint: disable=W0613,W0621
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upload_options = {}
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if "BOARD" in env:
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upload_options = env.BoardConfig().get("upload", {})
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env.AutodetectUploadPort()
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before_ports = list_serial_ports()
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if upload_options.get("use_1200bps_touch", False):
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env.TouchSerialPort("$UPLOAD_PORT", 1200)
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if upload_options.get("wait_for_upload_port", False):
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env.Replace(UPLOAD_PORT=env.WaitForNewSerialPort(before_ports))
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def generate_uf2(target, source, env):
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elf_file = target[0].get_path()
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env.Execute(
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" ".join(
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[
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"elf2uf2",
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'"%s"' % elf_file,
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'"%s"' % elf_file.replace(".elf", ".uf2"),
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]
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)
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)
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env = DefaultEnvironment()
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platform = env.PioPlatform()
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board = env.BoardConfig()
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env.Replace(
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AR="arm-none-eabi-ar",
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AS="arm-none-eabi-as",
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CC="arm-none-eabi-gcc",
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CXX="arm-none-eabi-g++",
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GDB="arm-none-eabi-gdb",
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OBJCOPY="arm-none-eabi-objcopy",
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RANLIB="arm-none-eabi-ranlib",
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SIZETOOL="arm-none-eabi-size",
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ARFLAGS=["rc"],
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MKFSTOOL="mklittlefs",
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PICO_FS_IMAGE_NAME=env.get("PICO_FS_IMAGE_NAME", "littlefs"),
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SIZEPROGREGEXP=r"^(?:\.text|\.data|\.rodata|\.text.align|\.ARM.exidx)\s+(\d+).*",
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SIZEDATAREGEXP=r"^(?:\.data|\.bss|\.noinit)\s+(\d+).*",
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SIZECHECKCMD="$SIZETOOL -A -d $SOURCES",
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SIZEPRINTCMD='$SIZETOOL -B -d $SOURCES',
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PROGSUFFIX=".elf"
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)
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# Allow user to override via pre:script
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if env.get("PROGNAME", "program") == "program":
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env.Replace(PROGNAME="firmware")
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env.Append(
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BUILDERS=dict(
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ElfToBin=Builder(
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action=env.VerboseAction(" ".join([
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"$OBJCOPY",
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"-O",
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"binary",
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"$SOURCES",
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"$TARGET"
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]), "Building $TARGET"),
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suffix=".bin"
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),
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ElfToHex=Builder(
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action=env.VerboseAction(" ".join([
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"$OBJCOPY",
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"-O",
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"ihex",
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"-R",
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".eeprom",
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"$SOURCES",
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"$TARGET"
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]), "Building $TARGET"),
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suffix=".hex"
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)
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)
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)
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if not env.get("PIOFRAMEWORK"):
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env.SConscript("frameworks/_bare.py")
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def convert_size_expression_to_int(expression):
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conversion_factors = {
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"M": 1024*1024,
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"MB": 1024*1024,
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"K": 1024,
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"KB": 1024,
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"B": 1,
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"": 1 # giving no conversion factor is factor 1.
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}
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# match <floating pointer number><conversion factor>.
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extract_regex = r'^((?:[0-9]*[.])?[0-9]+)([mkbMKB]*)$'
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res = re.findall(extract_regex, expression)
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# unparsable expression? Warning.
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if len(res) == 0:
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sys.stderr.write(
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"Error: Could not parse filesystem size expression '%s'."
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" Will treat as size = 0.\n" % str(expression))
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return 0
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# access first result
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number, factor = res[0]
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number = float(number)
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number *= conversion_factors[factor.upper()]
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return int(number)
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def fetch_fs_size(env):
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# follow generation formulas from makeboards.py for Earle Philhower core
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# given the total flash size, a user can specify
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# the amount for the filesystem (0MB, 2MB, 4MB, 8MB, 16MB)
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# via board_build.filesystem_size,
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# and we will calculate the flash size and eeprom size from that.
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flash_size = board.get("upload.maximum_size")
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filesystem_size = board.get("build.filesystem_size", "0MB")
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filesystem_size_int = convert_size_expression_to_int(filesystem_size)
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# last 4K are allocated for EEPROM emulation in flash.
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# see https://github.com/earlephilhower/arduino-pico/blob/3414b73172d307e9dc901f7fee83b41112f73457/libraries/EEPROM/EEPROM.cpp#L43-L46
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eeprom_size = 4096
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maximum_sketch_size = flash_size - eeprom_size - filesystem_size_int
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print("Flash size: %.2fMB" % (flash_size / 1024.0 / 1024.0))
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print("Sketch size: %.2fMB" % (maximum_sketch_size / 1024.0 / 1024.0))
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print("Filesystem size: %.2fMB" % (filesystem_size_int / 1024.0 / 1024.0))
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eeprom_start = 0x10000000 + flash_size - eeprom_size
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fs_start = 0x10000000 + flash_size - eeprom_size - filesystem_size_int
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fs_end = 0x10000000 + flash_size - eeprom_size
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if maximum_sketch_size <= 0:
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sys.stderr.write(
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"Error: Filesystem too large for given flash. "
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"Can at max be flash size - 4096 bytes. "
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"Available sketch size with current "
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"config would be %d bytes.\n" % maximum_sketch_size)
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sys.stderr.flush()
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env.Exit(1)
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env["PICO_FLASH_LENGTH"] = maximum_sketch_size
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env["PICO_EEPROM_START"] = eeprom_start
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env["FS_START"] = fs_start
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env["FS_END"] = fs_end
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# LittleFS configuration parameters taken from
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# https://github.com/earlephilhower/arduino-pico-littlefs-plugin/blob/master/src/PicoLittleFS.java
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env["FS_PAGE"] = 256
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env["FS_BLOCK"] = 4096
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print("Maximium Sketch size: %d "
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"EEPROM start: %s Filesystem start: %s "
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"Filesystem end: %s" %
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(maximum_sketch_size, hex(eeprom_start), hex(fs_start), hex(fs_end)))
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def __fetch_fs_size(target, source, env):
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fetch_fs_size(env)
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return (target, source)
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env.Append(
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BUILDERS=dict(
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DataToBin=Builder(
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action=env.VerboseAction(" ".join([
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'"$MKFSTOOL"',
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"-c", "$SOURCES",
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"-p", "$FS_PAGE",
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"-b", "$FS_BLOCK",
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"-s", "${FS_END - FS_START}",
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"$TARGET"
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]), "Building file system image from '$SOURCES' directory to $TARGET"),
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emitter=__fetch_fs_size,
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source_factory=env.Dir,
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suffix=".bin"
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)
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)
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)
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# store function to get infno about filesystems for builder scripts.
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env["__fetch_fs_size"] = fetch_fs_size
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#
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# Target: Build executable and linkable firmware
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#
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target_elf = None
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if "nobuild" in COMMAND_LINE_TARGETS:
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target_elf = join("$BUILD_DIR", "${PROGNAME}.elf")
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target_firm = join("$BUILD_DIR", "${PROGNAME}.bin")
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else:
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target_elf = env.BuildProgram()
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if set(["buildfs", "uploadfs"]) & set(COMMAND_LINE_TARGETS):
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target_firm = env.DataToBin(
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join("$BUILD_DIR", "${PICO_FS_IMAGE_NAME}"), "$PROJECTDATA_DIR")
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AlwaysBuild(target_firm)
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else:
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target_firm = env.ElfToBin(join("$BUILD_DIR", "${PROGNAME}"), target_elf)
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env.Depends(target_firm, "checkprogsize")
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env.AddPlatformTarget("buildfs", target_firm, target_firm, "Build Filesystem Image")
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AlwaysBuild(env.Alias("nobuild", target_firm))
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target_buildprog = env.Alias("buildprog", target_firm, target_firm)
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env.AddPostAction(
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target_elf, env.VerboseAction(generate_uf2, "Generating UF2 image")
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)
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def _update_max_upload_size(env):
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fetch_fs_size(env)
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env.BoardConfig().update("upload.maximum_size", env["PICO_FLASH_LENGTH"])
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# update max upload size based on set sketch size (or raw maximum size)
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if env.get("PIOMAINPROG"):
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env.AddPreAction(
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"checkprogsize",
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env.VerboseAction(
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lambda source, target, env: _update_max_upload_size(env),
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"Retrieving maximum program size $SOURCE"))
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#
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# Target: Print binary size
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#
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target_size = env.Alias(
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"size", target_elf,
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env.VerboseAction("$SIZEPRINTCMD", "Calculating size $SOURCE"))
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AlwaysBuild(target_size)
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def DelayBeforeUpload(target, source, env): # pylint: disable=W0613,W0621
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time.sleep(0.5)
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def RebootPico(target, source, env):
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time.sleep(0.5)
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env.Execute(
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'"%s" reboot' %
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join(platform.get_package_dir("tool-rp2040tools") or "", "picotool")
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)
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#
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# Target: Upload by default .bin file
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#
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debug_tools = env.BoardConfig().get("debug.tools", {})
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upload_protocol = env.subst("$UPLOAD_PROTOCOL") or "picotool"
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upload_actions = []
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upload_source = target_firm
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def UploadUF2ToDisk(target, source, env):
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assert "UPLOAD_PORT" in env
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progname = env.subst("$PROGNAME")
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ext = "uf2"
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fpath = join(env.subst("$BUILD_DIR"), "%s.%s" % (progname, ext))
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if not isfile(fpath):
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print(
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"Firmware file %s not found.\n" % fpath
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)
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return
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copyfile(fpath, join(env.subst("$UPLOAD_PORT"), "%s.%s" % (progname, ext)))
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print(
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"Firmware has been successfully uploaded.\n"
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"(Some boards may require manual hard reset)"
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)
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if upload_protocol == "mbed":
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upload_actions = [
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env.VerboseAction(env.AutodetectUploadPort, "Looking for upload disk..."),
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env.VerboseAction(UploadUF2ToDisk, "Uploading $SOURCE")
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]
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elif upload_protocol == "picotool":
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env.Replace(
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UPLOADER=join(platform.get_package_dir("tool-rp2040tools") or "", "rp2040load"),
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UPLOADERFLAGS=["-v", "-D"],
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UPLOADCMD='"$UPLOADER" $UPLOADERFLAGS $SOURCES'
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)
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if "uploadfs" in COMMAND_LINE_TARGETS:
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env.Replace(
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UPLOADER=join(platform.get_package_dir("tool-rp2040tools") or "", "picotool"),
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UPLOADERFLAGS=[
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"load",
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"--verify"
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],
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UPLOADCMD='"$UPLOADER" $UPLOADERFLAGS $SOURCES --offset ${hex(FS_START)}',
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)
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upload_actions = [
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env.VerboseAction(BeforeUpload, "Looking for upload port..."),
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env.VerboseAction("$UPLOADCMD", "Uploading $SOURCE"),
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]
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# picotool seems to need just a tiny bit of delay, but rp2040 load not..
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if "uploadfs" in COMMAND_LINE_TARGETS:
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upload_actions.insert(1, env.VerboseAction(DelayBeforeUpload, "Delaying a tiny bit..."))
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# reboot after filesystem upload
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upload_actions.append(env.VerboseAction(RebootPico, "Rebooting device..."))
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upload_source = target_elf
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elif upload_protocol.startswith("jlink"):
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def _jlink_cmd_script(env, source):
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build_dir = env.subst("$BUILD_DIR")
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if not isdir(build_dir):
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makedirs(build_dir)
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script_path = join(build_dir, "upload.jlink")
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commands = [
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"h",
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"loadbin %s, %s" % (source, board.get(
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"upload.offset_address", "0x0")),
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"r",
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"q"
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]
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with open(script_path, "w") as fp:
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fp.write("\n".join(commands))
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return script_path
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env.Replace(
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__jlink_cmd_script=_jlink_cmd_script,
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UPLOADER="JLink.exe" if system() == "Windows" else "JLinkExe",
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UPLOADERFLAGS=[
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"-device", board.get("debug", {}).get("jlink_device"),
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"-speed", env.GetProjectOption("debug_speed", "4000"),
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"-if", ("jtag" if upload_protocol == "jlink-jtag" else "swd"),
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"-autoconnect", "1",
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"-NoGui", "1"
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],
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UPLOADCMD='$UPLOADER $UPLOADERFLAGS -CommanderScript "${__jlink_cmd_script(__env__, SOURCE)}"'
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)
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upload_actions = [env.VerboseAction("$UPLOADCMD", "Uploading $SOURCE")]
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upload_source = env.ElfToHex(join("$BUILD_DIR", "${PROGNAME}"), target_elf)
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elif upload_protocol in debug_tools:
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openocd_args = [
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"-d%d" % (2 if int(ARGUMENTS.get("PIOVERBOSE", 0)) else 1)
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]
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openocd_args.extend(
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debug_tools.get(upload_protocol).get("server").get("arguments", []))
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# always use a default speed directive of 1000khz or an otherwise configured speed
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# otherwise, flash failures were observed
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speed = env.GetProjectOption("debug_speed") or "1000"
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openocd_args.extend(
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["-c", "adapter speed %s" % speed]
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)
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if "uploadfs" in COMMAND_LINE_TARGETS:
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# filesystem upload. use FS_START.
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openocd_args.extend([
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"-c", "program {$SOURCE} ${hex(FS_START)} verify reset; shutdown;"
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])
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else:
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# normal firmware upload. flash starts at 0x10000000
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openocd_args.extend([
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"-c", "program {$SOURCE} %s verify reset; shutdown;" %
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board.get("upload.offset_address", "")
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])
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openocd_args = [
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f.replace("$PACKAGE_DIR", platform.get_package_dir(
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"tool-openocd-rp2040-earlephilhower") or "")
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for f in openocd_args
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]
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env.Replace(
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UPLOADER="openocd",
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UPLOADERFLAGS=openocd_args,
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UPLOADCMD="$UPLOADER $UPLOADERFLAGS")
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if not board.get("upload").get("offset_address"):
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upload_source = target_elf
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upload_actions = [env.VerboseAction("$UPLOADCMD", "Uploading $SOURCE")]
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# custom upload tool
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elif upload_protocol == "custom":
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upload_actions = [env.VerboseAction("$UPLOADCMD", "Uploading $SOURCE")]
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if not upload_actions:
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sys.stderr.write("Warning! Unknown upload protocol %s\n" % upload_protocol)
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AlwaysBuild(env.Alias("upload", upload_source, upload_actions))
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env.AddPlatformTarget("uploadfs", target_firm, upload_actions, "Upload Filesystem Image")
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#
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# Default targets
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#
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Default([target_buildprog, target_size])
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