191 rinda
5.2 KiB
Python
191 rinda
5.2 KiB
Python
"""
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mbed SDK
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Copyright (c) 2011-2013 ARM Limited
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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"""
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from os.path import join
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from jinja2 import Template
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from workspace_tools.paths import TOOLS_DATA, MBED_RPC
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RPC_TEMPLATES_PATH = join(TOOLS_DATA, "rpc")
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RPC_TEMPLATE = "RPCClasses.h"
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CLASS_TEMPLATE = "class.cpp"
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RPC_CLASSES_PATH = join(MBED_RPC, RPC_TEMPLATE)
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def get_template(name):
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return Template(open(join(RPC_TEMPLATES_PATH, name)).read())
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def write_rpc_classes(classes):
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template = get_template(RPC_TEMPLATE)
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open(RPC_CLASSES_PATH, "w").write(template.render({"classes":classes}))
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RPC_CLASSES = (
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{
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"name": "DigitalOut",
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"cons_args": ["PinName"],
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"methods": [
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(None , "write", ["int"]),
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("int", "read" , []),
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]
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},
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{
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"name": "DigitalIn",
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"cons_args": ["PinName"],
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"methods": [
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("int", "read" , []),
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]
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},
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{
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"name": "DigitalInOut",
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"cons_args": ["PinName"],
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"methods": [
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("int", "read" , []),
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(None , "write" , ["int"]),
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(None , "input" , []),
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(None , "output", []),
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]
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},
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{
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"name": "AnalogIn",
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"required": "ANALOGIN",
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"cons_args": ["PinName"],
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"methods": [
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("float" , "read" , []),
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("unsigned short", "read_u16", []),
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]
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},
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{
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"name": "AnalogOut",
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"required": "ANALOGOUT",
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"cons_args": ["PinName"],
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"methods": [
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("float", "read" , []),
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(None , "write" , ["float"]),
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(None , "write_u16", ["unsigned short"]),
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]
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},
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{
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"name": "PwmOut",
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"required": "PWMOUT",
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"cons_args": ["PinName"],
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"methods": [
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("float", "read" , []),
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(None , "write" , ["float"]),
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(None , "period" , ["float"]),
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(None , "period_ms" , ["int"]),
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(None , "pulsewidth" , ["float"]),
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(None , "pulsewidth_ms", ["int"]),
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]
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},
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{
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"name": "SPI",
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"required": "SPI",
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"cons_args": ["PinName", "PinName", "PinName"],
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"methods": [
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(None , "format" , ["int", "int"]),
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(None , "frequency", ["int"]),
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("int", "write" , ["int"]),
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]
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},
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{
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"name": "Serial",
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"required": "SERIAL",
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"cons_args": ["PinName", "PinName"],
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"methods": [
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(None , "baud" , ["int"]),
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("int", "readable" , []),
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("int", "writeable", []),
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("int", "putc" , ["int"]),
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("int", "getc" , []),
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("int", "puts" , ["const char *"]),
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]
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},
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{
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"name": "Timer",
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"cons_args": [],
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"methods": [
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(None , "start" , []),
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(None , "stop" , []),
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(None , "reset" , []),
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("float", "read" , []),
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("int" , "read_ms", []),
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("int" , "read_us", []),
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]
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}
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)
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def get_args_proto(args_types, extra=None):
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args = ["%s a%d" % (s, n) for n, s in enumerate(args_types)]
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if extra:
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args.extend(extra)
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return ', '.join(args)
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def get_args_call(args):
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return ', '.join(["a%d" % (n) for n in range(len(args))])
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classes = []
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class_template = get_template(CLASS_TEMPLATE)
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for c in RPC_CLASSES:
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c_args = c['cons_args']
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data = {
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'name': c['name'],
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'cons_type': ', '.join(c_args + ['const char*']),
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"cons_proto": get_args_proto(c_args, ["const char *name=NULL"]),
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"cons_call": get_args_call(c_args)
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}
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c_name = "Rpc" + c['name']
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methods = []
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rpc_methods = []
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for r, m, a in c['methods']:
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ret_proto = r if r else "void"
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args_proto = "void"
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ret_defin = "return " if r else ""
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args_defin = ""
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if a:
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args_proto = get_args_proto(a)
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args_defin = get_args_call(a)
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proto = "%s %s(%s)" % (ret_proto, m, args_proto)
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defin = "{%so.%s(%s);}" % (ret_defin, m, args_defin)
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methods.append("%s %s" % (proto, defin))
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rpc_method_type = [r] if r else []
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rpc_method_type.append(c_name)
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rpc_method_type.extend(a)
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rpc_methods.append('{"%s", rpc_method_caller<%s, &%s::%s>}' % (m, ', '.join(rpc_method_type), c_name, m))
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data['methods'] = "\n ".join(methods)
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data['rpc_methods'] = ",\n ".join(rpc_methods)
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class_decl = class_template.render(data)
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if 'required' in c:
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class_decl = "#if DEVICE_%s\n%s\n#endif" % (c['required'], class_decl)
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classes.append(class_decl)
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write_rpc_classes('\n\n'.join(classes))
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