circuitpython/zephyr/main.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
* Copyright (c) 2016 Linaro Limited
*
* 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 <stdint.h>
#include <stdio.h>
#include <string.h>
#include <zephyr.h>
#ifdef CONFIG_NETWORKING
#include <net/net_context.h>
#endif
#include "py/nlr.h"
#include "py/compile.h"
#include "py/runtime.h"
#include "py/repl.h"
#include "py/gc.h"
#include "py/stackctrl.h"
#include "lib/utils/pyexec.h"
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#include "lib/mp-readline/readline.h"
void do_str(const char *src, mp_parse_input_kind_t input_kind) {
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
qstr source_name = lex->source_name;
mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
mp_obj_t module_fun = mp_compile(&parse_tree, source_name, MP_EMIT_OPT_NONE, true);
mp_call_function_0(module_fun);
nlr_pop();
} else {
// uncaught exception
mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
}
}
static char *stack_top;
static char heap[MICROPY_HEAP_SIZE];
void init_zephyr(void) {
// TODO: Make addresses configurable
#ifdef CONFIG_NET_IPV4
static struct in_addr in4addr_my = {{{192, 0, 2, 1}}};
net_if_ipv4_addr_add(net_if_get_default(), &in4addr_my, NET_ADDR_MANUAL, 0);
static struct in_addr in4netmask_my = {{{255, 255, 255, 0}}};
net_if_ipv4_set_netmask(net_if_get_default(), &in4netmask_my);
static struct in_addr in4gw_my = {{{192, 0, 2, 2}}};
net_if_ipv4_set_gw(net_if_get_default(), &in4gw_my);
#endif
#ifdef CONFIG_NET_IPV6
// 2001:db8::1
static struct in6_addr in6addr_my = {{{0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}}};
net_if_ipv6_addr_add(net_if_get_default(), &in6addr_my, NET_ADDR_MANUAL, 0);
#endif
}
int real_main(void) {
int stack_dummy;
stack_top = (char*)&stack_dummy;
mp_stack_set_top(stack_top);
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// Make MicroPython's stack limit somewhat smaller than full stack available
mp_stack_set_limit(CONFIG_MAIN_STACK_SIZE - 512);
init_zephyr();
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soft_reset:
#if MICROPY_ENABLE_GC
gc_init(heap, heap + sizeof(heap));
#endif
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
mp_obj_list_init(mp_sys_argv, 0);
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#if MICROPY_MODULE_FROZEN
pyexec_frozen_module("main.py");
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#endif
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for (;;) {
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if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
if (pyexec_raw_repl() != 0) {
break;
}
} else {
if (pyexec_friendly_repl() != 0) {
break;
}
}
}
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printf("soft reboot\n");
goto soft_reset;
return 0;
}
void gc_collect(void) {
// WARNING: This gc_collect implementation doesn't try to get root
// pointers from CPU registers, and thus may function incorrectly.
void *dummy;
gc_collect_start();
gc_collect_root(&dummy, ((mp_uint_t)stack_top - (mp_uint_t)&dummy) / sizeof(mp_uint_t));
gc_collect_end();
//gc_dump_info();
}
mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
mp_raise_OSError(ENOENT);
}
mp_import_stat_t mp_import_stat(const char *path) {
return MP_IMPORT_STAT_NO_EXIST;
}
mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
NORETURN void nlr_jump_fail(void *val) {
while (1);
}
#ifndef NDEBUG
void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
__fatal_error("Assertion failed");
}
#endif