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lib_build.py
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lib_build.py
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import sys
import os
import shutil
Import("env")
# Install GitPython for interacting with remote repositories
try:
import git
except ImportError:
env.Execute("$PYTHONEXE -m pip install GitPython")
import git
################################# BUILD MACROS #################################
# For each microcontroller, select the corresponding FreeRTOS port folder:
devices = {
# libopencm3 macros
"STM32F0": "ARM_CM0",
"STM32F1": "ARM_CM3",
"STM32F2": "ARM_CM3",
"STM32F3": "ARM_CM4F",
"STM32F4": "ARM_CM4F",
"STM32F7": "ARM_CM7/r0p1",
"STM32L0": "ARM_CM0",
"STM32L1": "ARM_CM3",
"STM32L4": "ARM_CM4F",
"STM32G0": "ARM_CM0",
"STM32G4": "ARM_CM4F",
"STM32H7": "ARM_CM4F",
"GD32F1X0": "ARM_CM3",
"EFM32TG": "ARM_CM3",
"EFM32G": "ARM_CM3",
"EFM32LG": "ARM_CM3",
"EFM32GG": "ARM_CM3",
"EFM32HG": "ARM_CM0",
"EFM32WG": "ARM_CM4F",
"EZR32WG": "ARM_CM4F",
"LPC13XX": "ARM_CM3",
"LPC17XX": "ARM_CM3",
"LPC43XX_M4": "ARM_CM4F",
"LPC43XX_M0": "ARM_CM0",
"SAM3A": "ARM_CM3",
"SAM3N": "ARM_CM3",
"SAM3S": "ARM_CM3",
"SAM3U": "ARM_CM3",
"SAM3X": "ARM_CM3",
"SAM4L": "ARM_CM4F",
"SAMD": "ARM_CM0",
"VF6XX": "ARM_CM4F",
"PAC55XX": "ARM_CM4F",
"LM3S": "ARM_CM3",
"LM4F": "ARM_CM4F",
"MSP432E4": "ARM_CM4F",
"SWM050": "ARM_CM0",
# Arduino/STM32Cube macros
"STM32F0xx": "ARM_CM0",
"STM32F1xx": "ARM_CM3",
"STM32F2xx": "ARM_CM3",
"STM32F3xx": "ARM_CM4F",
"STM32F4xx": "ARM_CM4F",
"STM32F7xx": "ARM_CM7/r0p1",
"STM32G0xx": "ARM_CM0",
"STM32G4xx": "ARM_CM4F",
"STM32H7xx": "ARM_CM4F",
"STM32L0xx": "ARM_CM0",
"STM32L1xx": "ARM_CM3",
"STM32L4xx": "ARM_CM4F",
"STM32L5xx": "ARM_CM33/non_secure",
"STM32WBxx": "ARM_CM4F",
"STM32WLxx": "ARM_CM4F"
}
################################## CONSTANTS ###################################
KERNEL_URL = "https://github.com/FreeRTOS/FreeRTOS-Kernel.git"
KERNEL_PATH = os.path.realpath('./FreeRTOS-Kernel')
############################### HELPER FUNCTIONS ###############################
def getRemoteTags(url):
g = git.cmd.Git()
blob = g.ls_remote(url, sort='-v:refname', tags=True, refs=True)
entries = blob.split('\n')
return list(map(lambda x: x.partition('refs/tags/')[2], entries))
def getLocalTag(path):
g = git.Repo(path)
return [str(next((tag for tag in g.tags if tag.commit == g.head.commit), None))]
pass
################################## MAIN SCRIPT ##################################
port = []
freertos_tag = ""
tag_name = ""
# Check all definitions and try to find matching macro/definition:
for item in env.get("CPPDEFINES", []):
if isinstance(item, tuple):
if item[0] in devices:
port.append(item[0])
# Look for special tags while parsing the macros
elif item[0] == 'FREERTOS_TAG':
freertos_tag = item[1]
else:
if item in devices:
port.append(item)
# Try to pull tags from remote repo
try:
tags = getRemoteTags(KERNEL_URL)
except:
if os.path.isdir(KERNEL_PATH):
# If local kernel is available it can be used, but might not be up to date
tags = getLocalTag(KERNEL_PATH)
if not freertos_tag:
sys.stderr.write("Could not get remote tags - the local kernel (%s) may not be the most up-to-date\n" % tags[0])
else:
sys.stderr.write("Could not get remote tags - check you can access %s:\n" % KERNEL_URL)
env.Exit(1)
# Get requested tag name
if not freertos_tag:
# Checkout latest tag
for tag in tags:
if tag.find("SMP") == -1: # Do not include SMP tags
tag_name = tag
break
else:
# Checkout specified tag
for tag in tags:
if freertos_tag == tag:
tag_name = tag
if not tag_name:
sys.stderr.write("PlatformIO-FreeRTOS: Tag '%s' could not be found in local/remote repository!\n" % freertos_tag)
env.Exit(1)
# Is local kernel the correct tag?
if not(os.path.isdir(KERNEL_PATH)):
try:
kernel = git.Repo.clone_from(KERNEL_URL, KERNEL_PATH, depth=1, b=tag_name)
except:
sys.stderr.write("Could not clone Kernel - check you can access %s:\n" % KERNEL_URL)
env.Exit(1)
else:
# Replace current kernel if wrong version
if tag_name != getLocalTag(KERNEL_PATH)[0]:
shutil.rmtree(KERNEL_PATH)
kernel = git.Repo.clone_from(KERNEL_URL, KERNEL_PATH, depth=1, b=tag_name)
# Throw exception if no macros match a device name:
if len(port) == 0:
sys.stderr.write("Error: No device defined for FreeRTOS! Please provide platform manually - options below:\n")
device_keys = devices.keys()
s = ' ,'.join(device_keys)
sys.stderr.write(str(s) + '\n')
env.Exit(1)
# Throw exception if more than one device name is defined:
elif len(port) > 1:
sys.stderr.write("Error!: Multiple devices defined: %s\n Using %s as default device.\n" % (" ".join(port), port[0]))
env.Exit(1)
# Else, add the appropriate port folders to the include path and source filter:
else:
print("PlatformIO-FreeRTOS: building for", port[0])
env.Append(CPPPATH=[os.path.realpath("FreeRTOS-Kernel/include")])
env.Append(CPPPATH=[os.path.realpath(os.path.join("FreeRTOS-Kernel/portable/GCC/", devices[port[0]]))])
env.Replace(SRC_FILTER=[
"+<FreeRTOS-Kernel/>",
"-<FreeRTOS-Kernel/portable/>",
"+<FreeRTOS-Kernel/portable/MemMang/heap_4.c>",
os.path.join("+<FreeRTOS-Kernel/portable/GCC/", devices[port[0]], ">")
])
# FreeRTOSConfig.h is located in the project space, outside of the lib:
env.Append(CPPPATH=env.get("PROJECT_INCLUDE_DIR", []))