619 lines
22 KiB
Python
619 lines
22 KiB
Python
#!/usr/bin/env python2
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# Script to handle build time requests embedded in C code.
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#
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# Copyright (C) 2016-2021 Kevin O'Connor <kevin@koconnor.net>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import sys, os, subprocess, optparse, logging, shlex, socket, time, traceback
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import json, zlib
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sys.path.append('./klippy')
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import msgproto
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FILEHEADER = """
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/* DO NOT EDIT! This is an autogenerated file. See scripts/buildcommands.py. */
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#include "board/irq.h"
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#include "board/pgm.h"
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#include "command.h"
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#include "compiler.h"
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#include "initial_pins.h"
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"""
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def error(msg):
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sys.stderr.write(msg + "\n")
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sys.exit(-1)
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Handlers = []
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######################################################################
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# C call list generation
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######################################################################
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# Create dynamic C functions that call a list of other C functions
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class HandleCallList:
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def __init__(self):
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self.call_lists = {'ctr_run_initfuncs': []}
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self.ctr_dispatch = { '_DECL_CALLLIST': self.decl_calllist }
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def decl_calllist(self, req):
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funcname, callname = req.split()[1:]
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self.call_lists.setdefault(funcname, []).append(callname)
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def update_data_dictionary(self, data):
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pass
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def generate_code(self, options):
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code = []
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for funcname, funcs in self.call_lists.items():
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func_code = [' extern void %s(void);\n %s();' % (f, f)
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for f in funcs]
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if funcname == 'ctr_run_taskfuncs':
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add_poll = ' irq_poll();\n'
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func_code = [add_poll + fc for fc in func_code]
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func_code.append(add_poll)
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fmt = """
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void
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%s(void)
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{
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%s
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}
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"""
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code.append(fmt % (funcname, "\n".join(func_code).strip()))
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return "".join(code)
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Handlers.append(HandleCallList())
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######################################################################
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# Enumeration and static string generation
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######################################################################
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STATIC_STRING_MIN = 2
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# Generate a dynamic string to integer mapping
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class HandleEnumerations:
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def __init__(self):
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self.static_strings = []
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self.enumerations = {}
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self.ctr_dispatch = {
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'_DECL_STATIC_STR': self.decl_static_str,
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'DECL_ENUMERATION': self.decl_enumeration,
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'DECL_ENUMERATION_RANGE': self.decl_enumeration_range
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}
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def add_enumeration(self, enum, name, value):
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enums = self.enumerations.setdefault(enum, {})
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if name in enums and enums[name] != value:
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error("Conflicting definition for enumeration '%s %s'" % (
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enum, name))
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enums[name] = value
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def decl_enumeration(self, req):
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enum, name, value = req.split()[1:]
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self.add_enumeration(enum, name, int(value, 0))
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def decl_enumeration_range(self, req):
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enum, name, value, count = req.split()[1:]
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self.add_enumeration(enum, name, (int(value, 0), int(count, 0)))
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def decl_static_str(self, req):
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msg = req.split(None, 1)[1]
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if msg not in self.static_strings:
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self.static_strings.append(msg)
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def update_data_dictionary(self, data):
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for i, s in enumerate(self.static_strings):
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self.add_enumeration("static_string_id", s, i + STATIC_STRING_MIN)
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data['enumerations'] = self.enumerations
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def generate_code(self, options):
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code = []
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for i, s in enumerate(self.static_strings):
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code.append(' if (__builtin_strcmp(str, "%s") == 0)\n'
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' return %d;\n' % (s, i + STATIC_STRING_MIN))
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fmt = """
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uint8_t __always_inline
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ctr_lookup_static_string(const char *str)
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{
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%s
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return 0xff;
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}
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"""
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return fmt % ("".join(code).strip(),)
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HandlerEnumerations = HandleEnumerations()
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Handlers.append(HandlerEnumerations)
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######################################################################
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# Constants
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######################################################################
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# Allow adding build time constants to the data dictionary
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class HandleConstants:
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def __init__(self):
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self.constants = {}
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self.ctr_dispatch = {
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'DECL_CONSTANT': self.decl_constant,
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'DECL_CONSTANT_STR': self.decl_constant_str,
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}
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def set_value(self, name, value):
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if name in self.constants and self.constants[name] != value:
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error("Conflicting definition for constant '%s'" % name)
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self.constants[name] = value
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def decl_constant(self, req):
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name, value = req.split()[1:]
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self.set_value(name, int(value, 0))
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def decl_constant_str(self, req):
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name, value = req.split(None, 2)[1:]
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value = value.strip()
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if value.startswith('"') and value.endswith('"'):
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value = value[1:-1]
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self.set_value(name, value)
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def update_data_dictionary(self, data):
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data['config'] = self.constants
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def generate_code(self, options):
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return ""
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HandlerConstants = HandleConstants()
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Handlers.append(HandlerConstants)
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######################################################################
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# Initial pins
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######################################################################
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class HandleInitialPins:
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def __init__(self):
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self.initial_pins = []
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self.ctr_dispatch = { 'DECL_INITIAL_PINS': self.decl_initial_pins }
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def decl_initial_pins(self, req):
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pins = req.split(None, 1)[1].strip()
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if pins.startswith('"') and pins.endswith('"'):
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pins = pins[1:-1]
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if pins:
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self.initial_pins = [p.strip() for p in pins.split(',')]
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HandlerConstants.decl_constant_str(
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"_DECL_CONSTANT_STR INITIAL_PINS "
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+ ','.join(self.initial_pins))
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def update_data_dictionary(self, data):
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pass
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def map_pins(self):
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if not self.initial_pins:
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return []
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mp = msgproto.MessageParser()
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mp.fill_enumerations(HandlerEnumerations.enumerations)
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pinmap = mp.get_enumerations().get('pin', {})
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out = []
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for p in self.initial_pins:
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flag = "IP_OUT_HIGH"
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if p.startswith('!'):
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flag = "0"
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p = p[1:].strip()
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if p not in pinmap:
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error("Unknown initial pin '%s'" % (p,))
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out.append("\n {%d, %s}, // %s" % (pinmap[p], flag, p))
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return out
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def generate_code(self, options):
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out = self.map_pins()
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fmt = """
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const struct initial_pin_s initial_pins[] PROGMEM = {%s
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};
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const int initial_pins_size PROGMEM = ARRAY_SIZE(initial_pins);
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"""
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return fmt % (''.join(out),)
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Handlers.append(HandleInitialPins())
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######################################################################
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# ARM IRQ vector table generation
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######################################################################
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# Create ARM IRQ vector table from interrupt handler declarations
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class Handle_arm_irq:
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def __init__(self):
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self.irqs = {}
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self.ctr_dispatch = { 'DECL_ARMCM_IRQ': self.decl_armcm_irq }
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def decl_armcm_irq(self, req):
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func, num = req.split()[1:]
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num = int(num, 0)
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if num in self.irqs and self.irqs[num] != func:
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error("Conflicting IRQ definition %d (old %s new %s)"
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% (num, self.irqs[num], func))
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self.irqs[num] = func
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def update_data_dictionary(self, data):
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pass
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def generate_code(self, options):
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armcm_offset = 16
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if 1 - armcm_offset not in self.irqs:
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# The ResetHandler was not defined - don't build VectorTable
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return ""
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max_irq = max(self.irqs.keys())
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table = [" DefaultHandler,\n"] * (max_irq + armcm_offset + 1)
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defs = []
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for num, func in self.irqs.items():
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if num < 1 - armcm_offset:
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error("Invalid IRQ %d (%s)" % (num, func))
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defs.append("extern void %s(void);\n" % (func,))
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table[num + armcm_offset] = " %s,\n" % (func,)
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table[0] = " &_stack_end,\n"
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fmt = """
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extern void DefaultHandler(void);
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extern uint32_t _stack_end;
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%s
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const void *VectorTable[] __visible __section(".vector_table") = {
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%s};
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"""
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return fmt % (''.join(defs), ''.join(table))
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Handlers.append(Handle_arm_irq())
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######################################################################
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# Wire protocol commands and responses
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######################################################################
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# Dynamic command and response registration
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class HandleCommandGeneration:
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def __init__(self):
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self.commands = {}
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self.encoders = []
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self.msg_to_id = dict(msgproto.DefaultMessages)
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self.messages_by_name = { m.split()[0]: m for m in self.msg_to_id }
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self.all_param_types = {}
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self.ctr_dispatch = {
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'DECL_COMMAND_FLAGS': self.decl_command,
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'_DECL_ENCODER': self.decl_encoder,
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'_DECL_OUTPUT': self.decl_output
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}
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def decl_command(self, req):
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funcname, flags, msgname = req.split()[1:4]
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if msgname in self.commands:
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error("Multiple definitions for command '%s'" % msgname)
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self.commands[msgname] = (funcname, flags, msgname)
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msg = req.split(None, 3)[3]
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m = self.messages_by_name.get(msgname)
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if m is not None and m != msg:
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error("Conflicting definition for command '%s'" % msgname)
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self.messages_by_name[msgname] = msg
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def decl_encoder(self, req):
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msg = req.split(None, 1)[1]
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msgname = msg.split()[0]
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m = self.messages_by_name.get(msgname)
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if m is not None and m != msg:
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error("Conflicting definition for message '%s'" % msgname)
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self.messages_by_name[msgname] = msg
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self.encoders.append((msgname, msg))
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def decl_output(self, req):
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msg = req.split(None, 1)[1]
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self.encoders.append((None, msg))
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def create_message_ids(self):
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# Create unique ids for each message type
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msgid = max(self.msg_to_id.values())
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mlist = list(self.commands.keys()) + [m for n, m in self.encoders]
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for msgname in mlist:
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msg = self.messages_by_name.get(msgname, msgname)
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if msg not in self.msg_to_id:
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msgid += 1
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self.msg_to_id[msg] = msgid
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if msgid >= 128:
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# The mcu currently assumes all message ids encode to one byte
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error("Too many message ids")
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def update_data_dictionary(self, data):
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# Handle message ids over 96 (they are decoded as negative numbers)
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msg_to_tag = {msg: msgid if msgid < 96 else msgid - 128
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for msg, msgid in self.msg_to_id.items()}
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command_tags = [msg_to_tag[msg]
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for msgname, msg in self.messages_by_name.items()
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if msgname in self.commands]
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response_tags = [msg_to_tag[msg]
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for msgname, msg in self.messages_by_name.items()
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if msgname not in self.commands]
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data['commands'] = { msg: msgtag for msg, msgtag in msg_to_tag.items()
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if msgtag in command_tags }
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data['responses'] = { msg: msgtag for msg, msgtag in msg_to_tag.items()
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if msgtag in response_tags }
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output = {msg: msgtag for msg, msgtag in msg_to_tag.items()
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if msgtag not in command_tags and msgtag not in response_tags}
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if output:
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data['output'] = output
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def build_parser(self, msgid, msgformat, msgtype):
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if msgtype == "output":
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param_types = msgproto.lookup_output_params(msgformat)
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comment = "Output: " + msgformat
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else:
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param_types = [t for name, t in msgproto.lookup_params(msgformat)]
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comment = msgformat
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params = '0'
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types = tuple([t.__class__.__name__ for t in param_types])
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if types:
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paramid = self.all_param_types.get(types)
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if paramid is None:
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paramid = len(self.all_param_types)
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self.all_param_types[types] = paramid
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params = 'command_parameters%d' % (paramid,)
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out = """
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// %s
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.msg_id=%d,
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.num_params=%d,
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.param_types = %s,
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""" % (comment, msgid, len(types), params)
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if msgtype == 'response':
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num_args = (len(types) + types.count('PT_progmem_buffer')
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+ types.count('PT_buffer'))
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out += " .num_args=%d," % (num_args,)
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else:
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max_size = min(msgproto.MESSAGE_MAX,
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(msgproto.MESSAGE_MIN + 1
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+ sum([t.max_length for t in param_types])))
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out += " .max_size=%d," % (max_size,)
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return out
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def generate_responses_code(self):
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encoder_defs = []
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output_code = []
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encoder_code = []
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did_output = {}
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for msgname, msg in self.encoders:
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msgid = self.msg_to_id[msg]
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if msgid in did_output:
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continue
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did_output[msgid] = True
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code = (' if (__builtin_strcmp(str, "%s") == 0)\n'
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' return &command_encoder_%s;\n' % (msg, msgid))
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if msgname is None:
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parsercode = self.build_parser(msgid, msg, 'output')
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output_code.append(code)
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else:
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parsercode = self.build_parser(msgid, msg, 'command')
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encoder_code.append(code)
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encoder_defs.append(
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"const struct command_encoder command_encoder_%s PROGMEM = {"
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" %s\n};\n" % (
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msgid, parsercode))
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fmt = """
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%s
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const __always_inline struct command_encoder *
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ctr_lookup_encoder(const char *str)
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{
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%s
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return NULL;
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}
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const __always_inline struct command_encoder *
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ctr_lookup_output(const char *str)
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{
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%s
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return NULL;
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}
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"""
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return fmt % ("".join(encoder_defs).strip(),
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"".join(encoder_code).strip(),
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"".join(output_code).strip())
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def generate_commands_code(self):
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cmd_by_id = {
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self.msg_to_id[self.messages_by_name.get(msgname, msgname)]: cmd
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for msgname, cmd in self.commands.items()
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}
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max_cmd_msgid = max(cmd_by_id.keys())
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index = []
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externs = {}
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for msgid in range(max_cmd_msgid+1):
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if msgid not in cmd_by_id:
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index.append(" {\n},")
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continue
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funcname, flags, msgname = cmd_by_id[msgid]
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msg = self.messages_by_name[msgname]
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externs[funcname] = 1
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parsercode = self.build_parser(msgid, msg, 'response')
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index.append(" {%s\n .flags=%s,\n .func=%s\n}," % (
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parsercode, flags, funcname))
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index = "".join(index).strip()
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externs = "\n".join(["extern void "+funcname+"(uint32_t*);"
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for funcname in sorted(externs)])
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fmt = """
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%s
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const struct command_parser command_index[] PROGMEM = {
|
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%s
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};
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const uint8_t command_index_size PROGMEM = ARRAY_SIZE(command_index);
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"""
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return fmt % (externs, index)
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def generate_param_code(self):
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sorted_param_types = sorted(
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[(i, a) for a, i in self.all_param_types.items()])
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params = ['']
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for paramid, argtypes in sorted_param_types:
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params.append(
|
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'static const uint8_t command_parameters%d[] PROGMEM = {\n'
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' %s };' % (
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paramid, ', '.join(argtypes),))
|
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params.append('')
|
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return "\n".join(params)
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def generate_code(self, options):
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self.create_message_ids()
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parsercode = self.generate_responses_code()
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cmdcode = self.generate_commands_code()
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paramcode = self.generate_param_code()
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return paramcode + parsercode + cmdcode
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|
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Handlers.append(HandleCommandGeneration())
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|
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|
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######################################################################
|
|
# Version generation
|
|
######################################################################
|
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|
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# Run program and return the specified output
|
|
def check_output(prog):
|
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logging.debug("Running %s" % (repr(prog),))
|
|
try:
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process = subprocess.Popen(shlex.split(prog), stdout=subprocess.PIPE)
|
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output = process.communicate()[0]
|
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retcode = process.poll()
|
|
except OSError:
|
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logging.debug("Exception on run: %s" % (traceback.format_exc(),))
|
|
return ""
|
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logging.debug("Got (code=%s): %s" % (retcode, repr(output)))
|
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if retcode:
|
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return ""
|
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try:
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return output.decode()
|
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except UnicodeError:
|
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logging.debug("Exception on decode: %s" % (traceback.format_exc(),))
|
|
return ""
|
|
|
|
# Obtain version info from "git" program
|
|
def git_version():
|
|
if not os.path.exists('.git'):
|
|
logging.debug("No '.git' file/directory found")
|
|
return ""
|
|
ver = check_output("git describe --always --tags --long --dirty").strip()
|
|
logging.debug("Got git version: %s" % (repr(ver),))
|
|
return ver
|
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|
|
def build_version(extra, cleanbuild):
|
|
version = git_version()
|
|
if not version:
|
|
cleanbuild = False
|
|
version = "?"
|
|
elif 'dirty' in version:
|
|
cleanbuild = False
|
|
if not cleanbuild:
|
|
btime = time.strftime("%Y%m%d_%H%M%S")
|
|
hostname = socket.gethostname()
|
|
version = "%s-%s-%s" % (version, btime, hostname)
|
|
return version + extra
|
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|
|
# Run "tool --version" for each specified tool and extract versions
|
|
def tool_versions(tools):
|
|
tools = [t.strip() for t in tools.split(';')]
|
|
versions = ['', '']
|
|
success = 0
|
|
for tool in tools:
|
|
# Extract first line from "tool --version" output
|
|
verstr = check_output("%s --version" % (tool,)).split('\n')[0]
|
|
# Check if this tool looks like a binutils program
|
|
isbinutils = 0
|
|
if verstr.startswith('GNU '):
|
|
isbinutils = 1
|
|
verstr = verstr[4:]
|
|
# Extract version information and exclude program name
|
|
if ' ' not in verstr:
|
|
continue
|
|
prog, ver = verstr.split(' ', 1)
|
|
if not prog or not ver:
|
|
continue
|
|
# Check for any version conflicts
|
|
if versions[isbinutils] and versions[isbinutils] != ver:
|
|
logging.debug("Mixed version %s vs %s" % (
|
|
repr(versions[isbinutils]), repr(ver)))
|
|
versions[isbinutils] = "mixed"
|
|
continue
|
|
versions[isbinutils] = ver
|
|
success += 1
|
|
cleanbuild = versions[0] and versions[1] and success == len(tools)
|
|
return cleanbuild, "gcc: %s binutils: %s" % (versions[0], versions[1])
|
|
|
|
# Add version information to the data dictionary
|
|
class HandleVersions:
|
|
def __init__(self):
|
|
self.ctr_dispatch = {}
|
|
self.toolstr = self.version = ""
|
|
def update_data_dictionary(self, data):
|
|
data['version'] = self.version
|
|
data['build_versions'] = self.toolstr
|
|
def generate_code(self, options):
|
|
cleanbuild, self.toolstr = tool_versions(options.tools)
|
|
self.version = build_version(options.extra, cleanbuild)
|
|
sys.stdout.write("Version: %s\n" % (self.version,))
|
|
return "\n// version: %s\n// build_versions: %s\n" % (
|
|
self.version, self.toolstr)
|
|
|
|
Handlers.append(HandleVersions())
|
|
|
|
|
|
######################################################################
|
|
# Identify data dictionary generation
|
|
######################################################################
|
|
|
|
# Automatically generate the wire protocol data dictionary
|
|
class HandleIdentify:
|
|
def __init__(self):
|
|
self.ctr_dispatch = {}
|
|
def update_data_dictionary(self, data):
|
|
pass
|
|
def generate_code(self, options):
|
|
# Generate data dictionary
|
|
data = {}
|
|
for h in Handlers:
|
|
h.update_data_dictionary(data)
|
|
datadict = json.dumps(data, separators=(',', ':'), sort_keys=True)
|
|
|
|
# Write data dictionary
|
|
if options.write_dictionary:
|
|
f = open(options.write_dictionary, 'w')
|
|
f.write(datadict)
|
|
f.close()
|
|
|
|
# Format compressed info into C code
|
|
zdatadict = bytearray(zlib.compress(datadict.encode(), 9))
|
|
out = []
|
|
for i in range(len(zdatadict)):
|
|
if i % 8 == 0:
|
|
out.append('\n ')
|
|
out.append(" 0x%02x," % (zdatadict[i],))
|
|
fmt = """
|
|
const uint8_t command_identify_data[] PROGMEM = {%s
|
|
};
|
|
|
|
// Identify size = %d (%d uncompressed)
|
|
const uint32_t command_identify_size PROGMEM
|
|
= ARRAY_SIZE(command_identify_data);
|
|
"""
|
|
return fmt % (''.join(out), len(zdatadict), len(datadict))
|
|
|
|
Handlers.append(HandleIdentify())
|
|
|
|
|
|
######################################################################
|
|
# Main code
|
|
######################################################################
|
|
|
|
def main():
|
|
usage = "%prog [options] <cmd section file> <output.c>"
|
|
opts = optparse.OptionParser(usage)
|
|
opts.add_option("-e", "--extra", dest="extra", default="",
|
|
help="extra version string to append to version")
|
|
opts.add_option("-d", dest="write_dictionary",
|
|
help="file to write mcu protocol dictionary")
|
|
opts.add_option("-t", "--tools", dest="tools", default="",
|
|
help="list of build programs to extract version from")
|
|
opts.add_option("-v", action="store_true", dest="verbose",
|
|
help="enable debug messages")
|
|
|
|
options, args = opts.parse_args()
|
|
if len(args) != 2:
|
|
opts.error("Incorrect arguments")
|
|
incmdfile, outcfile = args
|
|
if options.verbose:
|
|
logging.basicConfig(level=logging.DEBUG)
|
|
|
|
# Parse request file
|
|
ctr_dispatch = { k: v for h in Handlers for k, v in h.ctr_dispatch.items() }
|
|
f = open(incmdfile, 'r')
|
|
data = f.read()
|
|
f.close()
|
|
for req in data.split('\n'):
|
|
req = req.lstrip()
|
|
if not req:
|
|
continue
|
|
cmd = req.split()[0]
|
|
if cmd not in ctr_dispatch:
|
|
error("Unknown build time command '%s'" % cmd)
|
|
ctr_dispatch[cmd](req)
|
|
|
|
# Write output
|
|
code = "".join([FILEHEADER] + [h.generate_code(options) for h in Handlers])
|
|
f = open(outcfile, 'w')
|
|
f.write(code)
|
|
f.close()
|
|
|
|
if __name__ == '__main__':
|
|
main()
|