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zephyr: Implement the help() function.

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The boot issue text mentions a help() function and encourages
the user to run it. It is very disconcerting to find that the
function does not exist...

Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
This commit is contained in:
Daniel Thompson 2016-09-24 21:20:59 +01:00 committed by Paul Sokolovsky
parent 06ee5e947f
commit b6a544b917
3 changed files with 63 additions and 0 deletions
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2
zephyr/Makefile
View File

@ -33,11 +33,13 @@ INC += -I$(ZEPHYR_BASE)/net/ip/contiki
INC += -I$(ZEPHYR_BASE)/net/ip/contiki/os
SRC_C = main.c \
help.c \
uart_core.c \
lib/utils/stdout_helpers.c \
lib/utils/printf.c \
lib/utils/pyexec.c \
lib/utils/interrupt_char.c \
lib/utils/pyhelp.c \
lib/mp-readline/readline.c \
$(BUILD)/frozen.c \
$(SRC_MOD)

56
zephyr/help.c Normal file
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@ -0,0 +1,56 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013-2016 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdio.h>
#include "lib/utils/pyhelp.h"
STATIC const char *help_text =
"Welcome to MicroPython!\n"
"\n"
"Control commands:\n"
" CTRL-A -- on a blank line, enter raw REPL mode\n"
" CTRL-B -- on a blank line, enter normal REPL mode\n"
" CTRL-C -- interrupt a running program\n"
" CTRL-D -- on a blank line, do a soft reset of the board\n"
" CTRL-E -- on a blank line, enter paste mode\n"
"\n"
"For further help on a specific object, type help(obj)\n"
;
STATIC mp_obj_t builtin_help(uint n_args, const mp_obj_t *args) {
if (n_args == 0) {
// print a general help message
printf("%s", help_text);
} else {
// try to print something sensible about the given object
pyhelp_print_obj(args[0]);
}
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_help_obj, 0, 1, builtin_help);

5
zephyr/mpconfigport.h
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@ -51,3 +51,8 @@ typedef long mp_off_t;
// Include Zephyr's autoconf.h, which should be made first by Zephyr makefiles
#include "autoconf.h"
// extra built in names to add to the global namespace
#define MICROPY_PORT_BUILTINS \
{ MP_OBJ_NEW_QSTR(MP_QSTR_help), (mp_obj_t)&mp_builtin_help_obj }, \