erkin yucel / mbed-os

mbed os with nrf51 internal bandgap enabled to read battery level

Dependents:   BLE_file_test BLE_Blink ExternalEncoder

tools/export/cmsis/__init__.py@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 import os
elessair 0:f269e3021894 2 from os.path import sep, join, exists
elessair 0:f269e3021894 3 from itertools import groupby
elessair 0:f269e3021894 4 from xml.etree.ElementTree import Element, tostring
elessair 0:f269e3021894 5 import ntpath
elessair 0:f269e3021894 6 import re
elessair 0:f269e3021894 7 import json
elessair 0:f269e3021894 8
elessair 0:f269e3021894 9 from tools.arm_pack_manager import Cache
elessair 0:f269e3021894 10 from tools.targets import TARGET_MAP
elessair 0:f269e3021894 11 from tools.export.exporters import Exporter, TargetNotSupportedException
elessair 0:f269e3021894 12
elessair 0:f269e3021894 13 class fileCMSIS():
elessair 0:f269e3021894 14 """CMSIS file class.
elessair 0:f269e3021894 15
elessair 0:f269e3021894 16 Encapsulates information necessary for files in cpdsc project file"""
elessair 0:f269e3021894 17 file_types = {'.cpp': 'sourceCpp', '.c': 'sourceC', '.s': 'sourceAsm',
elessair 0:f269e3021894 18 '.obj': 'object', '.o': 'object', '.lib': 'library',
elessair 0:f269e3021894 19 '.ar': 'linkerScript', '.h': 'header', '.sct': 'linkerScript'}
elessair 0:f269e3021894 20
elessair 0:f269e3021894 21 def __init__(self, loc, name):
elessair 0:f269e3021894 22 #print loc
elessair 0:f269e3021894 23 _, ext = os.path.splitext(loc)
elessair 0:f269e3021894 24 self.type = self.file_types[ext.lower()]
elessair 0:f269e3021894 25 self.loc = loc
elessair 0:f269e3021894 26 self.name = name
elessair 0:f269e3021894 27
elessair 0:f269e3021894 28
elessair 0:f269e3021894 29 class DeviceCMSIS():
elessair 0:f269e3021894 30 """CMSIS Device class
elessair 0:f269e3021894 31
elessair 0:f269e3021894 32 Encapsulates target information retrieved by arm-pack-manager"""
elessair 0:f269e3021894 33 def __init__(self, target):
elessair 0:f269e3021894 34 cache = Cache(True, False)
elessair 0:f269e3021894 35
elessair 0:f269e3021894 36 t = TARGET_MAP[target]
elessair 0:f269e3021894 37 self.core = t.core
elessair 0:f269e3021894 38 try:
elessair 0:f269e3021894 39 cpu_name = t.device_name
elessair 0:f269e3021894 40 target_info = cache.index[cpu_name]
elessair 0:f269e3021894 41 # Target does not have device name or pdsc file
elessair 0:f269e3021894 42 except:
elessair 0:f269e3021894 43 try:
elessair 0:f269e3021894 44 # Try to find the core as a generic CMSIS target
elessair 0:f269e3021894 45 cpu_name = self.cpu_cmsis()
elessair 0:f269e3021894 46 target_info = cache.index[cpu_name]
elessair 0:f269e3021894 47 except:
elessair 0:f269e3021894 48 raise TargetNotSupportedException("Target not in CMSIS packs")
elessair 0:f269e3021894 49
elessair 0:f269e3021894 50 self.target_info = target_info
elessair 0:f269e3021894 51
elessair 0:f269e3021894 52 self.url = target_info['pdsc_file']
elessair 0:f269e3021894 53 self.pack_url, self.pack_id = ntpath.split(self.url)
elessair 0:f269e3021894 54 self.dname = cpu_name
elessair 0:f269e3021894 55 self.dfpu = target_info['processor']['fpu']
elessair 0:f269e3021894 56 self.debug, self.dvendor = self.vendor_debug(target_info['vendor'])
elessair 0:f269e3021894 57 self.dendian = target_info['processor'].get('endianness','Little-endian')
elessair 0:f269e3021894 58 self.debug_svd = target_info.get('debug', '')
elessair 0:f269e3021894 59 self.compile_header = target_info['compile']['header']
elessair 0:f269e3021894 60
elessair 0:f269e3021894 61 def check_version(self, filename):
elessair 0:f269e3021894 62 with open(filename) as data_file:
elessair 0:f269e3021894 63 data = json.load(data_file)
elessair 0:f269e3021894 64 return data.get("version", "0") == "0.1.0"
elessair 0:f269e3021894 65
elessair 0:f269e3021894 66 def vendor_debug(self, vendor):
elessair 0:f269e3021894 67 reg = "([\w\s]+):?\d*?"
elessair 0:f269e3021894 68 m = re.search(reg, vendor)
elessair 0:f269e3021894 69 vendor_match = m.group(1) if m else None
elessair 0:f269e3021894 70 debug_map ={
elessair 0:f269e3021894 71 'STMicroelectronics':'ST-Link',
elessair 0:f269e3021894 72 'Silicon Labs':'J-LINK',
elessair 0:f269e3021894 73 'Nuvoton':'NULink'
elessair 0:f269e3021894 74 }
elessair 0:f269e3021894 75 return debug_map.get(vendor_match, "CMSIS-DAP"), vendor_match
elessair 0:f269e3021894 76
elessair 0:f269e3021894 77 def cpu_cmsis(self):
elessair 0:f269e3021894 78 #Cortex-M4F => ARMCM4_FP, Cortex-M0+ => ARMCM0P
elessair 0:f269e3021894 79 cpu = self.core
elessair 0:f269e3021894 80 cpu = cpu.replace("Cortex-","ARMC")
elessair 0:f269e3021894 81 cpu = cpu.replace("+","P")
elessair 0:f269e3021894 82 cpu = cpu.replace("F","_FP")
elessair 0:f269e3021894 83 return cpu
elessair 0:f269e3021894 84
elessair 0:f269e3021894 85
elessair 0:f269e3021894 86 class CMSIS(Exporter):
elessair 0:f269e3021894 87 NAME = 'cmsis'
elessair 0:f269e3021894 88 TOOLCHAIN = 'ARM'
elessair 0:f269e3021894 89 TARGETS = [target for target, obj in TARGET_MAP.iteritems()
elessair 0:f269e3021894 90 if "ARM" in obj.supported_toolchains]
elessair 0:f269e3021894 91
elessair 0:f269e3021894 92 def make_key(self, src):
elessair 0:f269e3021894 93 """turn a source file into its group name"""
elessair 0:f269e3021894 94 key = src.name.split(sep)[0]
elessair 0:f269e3021894 95 if key == ".":
elessair 0:f269e3021894 96 key = os.path.basename(os.path.realpath(self.export_dir))
elessair 0:f269e3021894 97 return key
elessair 0:f269e3021894 98
elessair 0:f269e3021894 99 def group_project_files(self, sources, root_element):
elessair 0:f269e3021894 100 """Recursively group the source files by their encompassing directory"""
elessair 0:f269e3021894 101
elessair 0:f269e3021894 102 data = sorted(sources, key=self.make_key)
elessair 0:f269e3021894 103 for group, files in groupby(data, self.make_key):
elessair 0:f269e3021894 104 new_srcs = []
elessair 0:f269e3021894 105 for f in list(files):
elessair 0:f269e3021894 106 spl = f.name.split(sep)
elessair 0:f269e3021894 107 if len(spl)==2:
elessair 0:f269e3021894 108 file_element = Element('file',
elessair 0:f269e3021894 109 attrib={
elessair 0:f269e3021894 110 'category':f.type,
elessair 0:f269e3021894 111 'name': f.loc})
elessair 0:f269e3021894 112 root_element.append(file_element)
elessair 0:f269e3021894 113 else:
elessair 0:f269e3021894 114 f.name = os.path.join(*spl[1:])
elessair 0:f269e3021894 115 new_srcs.append(f)
elessair 0:f269e3021894 116 if new_srcs:
elessair 0:f269e3021894 117 group_element = Element('group',attrib={'name':group})
elessair 0:f269e3021894 118 root_element.append(self.group_project_files(new_srcs,
elessair 0:f269e3021894 119 group_element))
elessair 0:f269e3021894 120 return root_element
elessair 0:f269e3021894 121
elessair 0:f269e3021894 122 def generate(self):
elessair 0:f269e3021894 123
elessair 0:f269e3021894 124 srcs = self.resources.headers + self.resources.s_sources + \
elessair 0:f269e3021894 125 self.resources.c_sources + self.resources.cpp_sources + \
elessair 0:f269e3021894 126 self.resources.objects + self.resources.libraries + \
elessair 0:f269e3021894 127 [self.resources.linker_script]
elessair 0:f269e3021894 128 srcs = [fileCMSIS(src, src) for src in srcs if src]
elessair 0:f269e3021894 129 ctx = {
elessair 0:f269e3021894 130 'name': self.project_name,
elessair 0:f269e3021894 131 'project_files': tostring(self.group_project_files(srcs, Element('files'))),
elessair 0:f269e3021894 132 'device': DeviceCMSIS(self.target),
elessair 0:f269e3021894 133 'date': ''
elessair 0:f269e3021894 134 }
elessair 0:f269e3021894 135 # TODO: find how to keep prettyxml from adding xml version to this blob
elessair 0:f269e3021894 136 #dom = parseString(ctx['project_files'])
elessair 0:f269e3021894 137 #ctx['project_files'] = dom.toprettyxml(indent="\t")
elessair 0:f269e3021894 138
elessair 0:f269e3021894 139 self.gen_file('cmsis/cpdsc.tmpl', ctx, 'project.cpdsc')