mbed os with nrf51 internal bandgap enabled to read battery level
Dependents: BLE_file_test BLE_Blink ExternalEncoder
Diff: tools/toolchains/arm.py
- Revision:
- 0:f269e3021894
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tools/toolchains/arm.py Sun Oct 23 15:10:02 2016 +0000 @@ -0,0 +1,244 @@ +""" +mbed SDK +Copyright (c) 2011-2013 ARM Limited + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +""" +import re +from os.path import join, dirname, splitext, basename + +from tools.toolchains import mbedToolchain, TOOLCHAIN_PATHS +from tools.hooks import hook_tool +from tools.utils import mkdir + +class ARM(mbedToolchain): + LINKER_EXT = '.sct' + LIBRARY_EXT = '.ar' + + STD_LIB_NAME = "%s.ar" + DIAGNOSTIC_PATTERN = re.compile('"(?P<file>[^"]+)", line (?P<line>\d+)( \(column (?P<column>\d+)\)|): (?P<severity>Warning|Error): (?P<message>.+)') + INDEX_PATTERN = re.compile('(?P<col>\s*)\^') + DEP_PATTERN = re.compile('\S+:\s(?P<file>.+)\n') + + @staticmethod + def check_executable(): + """Returns True if the executable (armcc) location specified by the + user exists OR the executable can be found on the PATH. + Returns False otherwise.""" + return mbedToolchain.generic_check_executable("ARM", 'armcc', 2, 'bin') + + def __init__(self, target, notify=None, macros=None, + silent=False, extra_verbose=False, build_profile=None): + mbedToolchain.__init__(self, target, notify, macros, silent, + extra_verbose=extra_verbose, + build_profile=build_profile) + + if target.core == "Cortex-M0+": + cpu = "Cortex-M0" + elif target.core == "Cortex-M4F": + cpu = "Cortex-M4.fp" + elif target.core == "Cortex-M7FD": + cpu = "Cortex-M7.fp.dp" + elif target.core == "Cortex-M7F": + cpu = "Cortex-M7.fp.sp" + else: + cpu = target.core + + ARM_BIN = join(TOOLCHAIN_PATHS['ARM'], "bin") + ARM_INC = join(TOOLCHAIN_PATHS['ARM'], "include") + + main_cc = join(ARM_BIN, "armcc") + + self.flags['common'] += ["--cpu=%s" % cpu] + + self.asm = [main_cc] + self.flags['common'] + self.flags['asm'] + ["-I \""+ARM_INC+"\""] + self.cc = [main_cc] + self.flags['common'] + self.flags['c'] + ["-I \""+ARM_INC+"\""] + self.cppc = [main_cc] + self.flags['common'] + self.flags['c'] + self.flags['cxx'] + ["-I \""+ARM_INC+"\""] + + self.ld = [join(ARM_BIN, "armlink")] + self.sys_libs = [] + + self.ar = join(ARM_BIN, "armar") + self.elf2bin = join(ARM_BIN, "fromelf") + + def parse_dependencies(self, dep_path): + dependencies = [] + for line in open(dep_path).readlines(): + match = ARM.DEP_PATTERN.match(line) + if match is not None: + #we need to append chroot, because when the .d files are generated the compiler is chrooted + dependencies.append((self.CHROOT if self.CHROOT else '') + match.group('file')) + return dependencies + + def parse_output(self, output): + msg = None + for line in output.splitlines(): + match = ARM.DIAGNOSTIC_PATTERN.match(line) + if match is not None: + if msg is not None: + self.cc_info(msg) + msg = None + msg = { + 'severity': match.group('severity').lower(), + 'file': match.group('file'), + 'line': match.group('line'), + 'col': match.group('column') if match.group('column') else 0, + 'message': match.group('message'), + 'text': '', + 'target_name': self.target.name, + 'toolchain_name': self.name + } + elif msg is not None: + # Determine the warning/error column by calculating the ^ position + match = ARM.INDEX_PATTERN.match(line) + if match is not None: + msg['col'] = len(match.group('col')) + self.cc_info(msg) + msg = None + else: + msg['text'] += line+"\n" + + if msg is not None: + self.cc_info(msg) + + def get_dep_option(self, object): + base, _ = splitext(object) + dep_path = base + '.d' + return ["--depend", dep_path] + + def get_config_option(self, config_header): + return ['--preinclude=' + config_header] + + def get_compile_options(self, defines, includes, for_asm=False): + opts = ['-D%s' % d for d in defines] + if self.RESPONSE_FILES: + opts += ['--via', self.get_inc_file(includes)] + else: + opts += ["-I%s" % i for i in includes] + + if not for_asm: + config_header = self.get_config_header() + if config_header is not None: + opts = opts + self.get_config_option(config_header) + return opts + + @hook_tool + def assemble(self, source, object, includes): + # Preprocess first, then assemble + dir = join(dirname(object), '.temp') + mkdir(dir) + tempfile = join(dir, basename(object) + '.E.s') + + # Build preprocess assemble command + cmd_pre = self.asm + self.get_compile_options(self.get_symbols(True), includes) + ["-E", "-o", tempfile, source] + + # Build main assemble command + cmd = self.asm + ["-o", object, tempfile] + + # Call cmdline hook + cmd_pre = self.hook.get_cmdline_assembler(cmd_pre) + cmd = self.hook.get_cmdline_assembler(cmd) + + # Return command array, don't execute + return [cmd_pre, cmd] + + @hook_tool + def compile(self, cc, source, object, includes): + # Build compile command + cmd = cc + self.get_compile_options(self.get_symbols(), includes) + + cmd.extend(self.get_dep_option(object)) + + cmd.extend(["-o", object, source]) + + # Call cmdline hook + cmd = self.hook.get_cmdline_compiler(cmd) + + return [cmd] + + def compile_c(self, source, object, includes): + return self.compile(self.cc, source, object, includes) + + def compile_cpp(self, source, object, includes): + return self.compile(self.cppc, source, object, includes) + + @hook_tool + def link(self, output, objects, libraries, lib_dirs, mem_map): + map_file = splitext(output)[0] + ".map" + if len(lib_dirs): + args = ["-o", output, "--userlibpath", ",".join(lib_dirs), "--info=totals", "--map", "--list=%s" % map_file] + else: + args = ["-o", output, "--info=totals", "--map", "--list=%s" % map_file] + + if mem_map: + args.extend(["--scatter", mem_map]) + + # Build linker command + cmd = self.ld + args + objects + libraries + self.sys_libs + + # Call cmdline hook + cmd = self.hook.get_cmdline_linker(cmd) + + if self.RESPONSE_FILES: + # Split link command to linker executable + response file + cmd_linker = cmd[0] + link_files = self.get_link_file(cmd[1:]) + cmd = [cmd_linker, '--via', link_files] + + # Exec command + self.cc_verbose("Link: %s" % ' '.join(cmd)) + self.default_cmd(cmd) + + @hook_tool + def archive(self, objects, lib_path): + if self.RESPONSE_FILES: + param = ['--via', self.get_arch_file(objects)] + else: + param = objects + + # Exec command + self.default_cmd([self.ar, '-r', lib_path] + param) + + @hook_tool + def binary(self, resources, elf, bin): + # Build binary command + cmd = [self.elf2bin, '--bin', '-o', bin, elf] + + # Call cmdline hook + cmd = self.hook.get_cmdline_binary(cmd) + + # Exec command + self.cc_verbose("FromELF: %s" % ' '.join(cmd)) + self.default_cmd(cmd) + + +class ARM_STD(ARM): + def __init__(self, target, notify=None, macros=None, + silent=False, extra_verbose=False, build_profile=None): + ARM.__init__(self, target, notify, macros, silent, + extra_verbose=extra_verbose, build_profile=build_profile) + + # Run-time values + self.ld.extend(["--libpath", join(TOOLCHAIN_PATHS['ARM'], "lib")]) + + +class ARM_MICRO(ARM): + PATCHED_LIBRARY = False + + def __init__(self, target, notify=None, macros=None, + silent=False, extra_verbose=False, build_profile=None): + ARM.__init__(self, target, notify, macros, silent, + extra_verbose=extra_verbose, build_profile=build_profile) + + # Run-time values + self.ld.extend(["--libpath", join(TOOLCHAIN_PATHS['ARM'], "lib")])