4fc2866f45
This commit simplifies and cleans up the bare-arm port, and adds just enough system and library code to make it execute on an STM32F405 MCU. The mpconfigport.h configuration is simplified to just specify those configuration values that are different from the defaults. And the addition of -fdata-sections and -ffunction-sections means the final firmware is smaller than it previously was, by about 4200 bytes. A README is also added. Signed-off-by: Damien George <damien@micropython.org>
79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014-2021 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include "py/compile.h"
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#include "py/runtime.h"
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static const char *demo_single_input =
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"print('hello world!', list(x + 1 for x in range(10)), end='eol\\n')";
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static const char *demo_file_input =
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"import micropython\n"
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"\n"
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"print(dir(micropython))\n"
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"\n"
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"for i in range(10):\n"
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" print('iter {:08}'.format(i))";
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static void do_str(const char *src, mp_parse_input_kind_t input_kind) {
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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// Compile, parse and execute the given string.
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mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
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qstr source_name = lex->source_name;
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mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
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mp_obj_t module_fun = mp_compile(&parse_tree, source_name, true);
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mp_call_function_0(module_fun);
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nlr_pop();
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} else {
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// Uncaught exception: print it out.
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mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
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}
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}
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// Main entry point: initialise the runtime and execute demo strings.
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void bare_main(void) {
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mp_init();
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do_str(demo_single_input, MP_PARSE_SINGLE_INPUT);
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do_str(demo_file_input, MP_PARSE_FILE_INPUT);
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mp_deinit();
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}
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// Called if an exception is raised outside all C exception-catching handlers.
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void nlr_jump_fail(void *val) {
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for (;;) {
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}
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}
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#ifndef NDEBUG
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// Used when debugging is enabled.
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void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
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for (;;) {
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}
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}
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#endif
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