221 lines
6.3 KiB
C
221 lines
6.3 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) 2013, 2014 Damien P. George
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* Copyright (c) 2016-2017 Linaro Limited
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* Copyright (c) 2020 NXP
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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 <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <zephyr.h>
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#ifdef CONFIG_NETWORKING
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#include <net/net_context.h>
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#endif
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#ifdef CONFIG_USB_DEVICE_STACK
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#include <usb/usb_device.h>
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#endif
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#include <storage/flash_map.h>
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#include "py/mperrno.h"
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#include "py/builtin.h"
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#include "py/compile.h"
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#include "py/runtime.h"
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#include "py/repl.h"
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#include "py/gc.h"
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#include "py/mphal.h"
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#include "py/stackctrl.h"
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#include "shared/runtime/pyexec.h"
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#include "shared/readline/readline.h"
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#include "extmod/modbluetooth.h"
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#if MICROPY_VFS
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#include "extmod/vfs.h"
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#endif
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#include "modmachine.h"
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#include "modzephyr.h"
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#ifdef TEST
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#include "shared/upytesthelper/upytesthelper.h"
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#include "lib/tinytest/tinytest.c"
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#include "shared/upytesthelper/upytesthelper.c"
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#include TEST
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#endif
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static char heap[MICROPY_HEAP_SIZE];
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void init_zephyr(void) {
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// We now rely on CONFIG_NET_APP_SETTINGS to set up bootstrap
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// network addresses.
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#if 0
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#ifdef CONFIG_NETWORKING
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if (net_if_get_default() == NULL) {
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// If there's no default networking interface,
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// there's nothing to configure.
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return;
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}
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#endif
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#ifdef CONFIG_NET_IPV4
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static struct in_addr in4addr_my = {{{192, 0, 2, 1}}};
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net_if_ipv4_addr_add(net_if_get_default(), &in4addr_my, NET_ADDR_MANUAL, 0);
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static struct in_addr in4netmask_my = {{{255, 255, 255, 0}}};
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net_if_ipv4_set_netmask(net_if_get_default(), &in4netmask_my);
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static struct in_addr in4gw_my = {{{192, 0, 2, 2}}};
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net_if_ipv4_set_gw(net_if_get_default(), &in4gw_my);
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#endif
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#ifdef CONFIG_NET_IPV6
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// 2001:db8::1
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static struct in6_addr in6addr_my = {{{0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}}};
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net_if_ipv6_addr_add(net_if_get_default(), &in6addr_my, NET_ADDR_MANUAL, 0);
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#endif
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#endif
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}
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#if MICROPY_VFS
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STATIC void vfs_init(void) {
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mp_obj_t bdev = NULL;
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mp_obj_t mount_point;
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const char *mount_point_str = NULL;
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int ret = 0;
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#ifdef CONFIG_DISK_DRIVER_SDMMC
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mp_obj_t args[] = { mp_obj_new_str(CONFIG_SDMMC_VOLUME_NAME, strlen(CONFIG_SDMMC_VOLUME_NAME)) };
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bdev = zephyr_disk_access_type.make_new(&zephyr_disk_access_type, ARRAY_SIZE(args), 0, args);
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mount_point_str = "/sd";
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#elif defined(CONFIG_FLASH_MAP) && FLASH_AREA_LABEL_EXISTS(storage)
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mp_obj_t args[] = { MP_OBJ_NEW_SMALL_INT(FLASH_AREA_ID(storage)), MP_OBJ_NEW_SMALL_INT(4096) };
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bdev = zephyr_flash_area_type.make_new(&zephyr_flash_area_type, ARRAY_SIZE(args), 0, args);
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mount_point_str = "/flash";
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#endif
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if ((bdev != NULL)) {
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mount_point = mp_obj_new_str(mount_point_str, strlen(mount_point_str));
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ret = mp_vfs_mount_and_chdir_protected(bdev, mount_point);
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// TODO: if this failed, make a new file system and try to mount again
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}
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}
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#endif // MICROPY_VFS
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int real_main(void) {
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mp_stack_ctrl_init();
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// Make MicroPython's stack limit somewhat smaller than full stack available
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mp_stack_set_limit(CONFIG_MAIN_STACK_SIZE - 512);
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init_zephyr();
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mp_hal_init();
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#ifdef TEST
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static const char *argv[] = {"test"};
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upytest_set_heap(heap, heap + sizeof(heap));
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int r = tinytest_main(1, argv, groups);
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printf("status: %d\n", r);
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#endif
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soft_reset:
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#if MICROPY_ENABLE_GC
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gc_init(heap, heap + sizeof(heap));
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#endif
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mp_init();
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#ifdef CONFIG_USB_DEVICE_STACK
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usb_enable(NULL);
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#endif
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#if MICROPY_VFS
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vfs_init();
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#endif
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#if MICROPY_MODULE_FROZEN || MICROPY_VFS
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pyexec_file_if_exists("main.py");
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#endif
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for (;;) {
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if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
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if (pyexec_raw_repl() != 0) {
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break;
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}
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} else {
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if (pyexec_friendly_repl() != 0) {
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break;
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}
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}
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}
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printf("soft reboot\n");
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#if MICROPY_PY_BLUETOOTH
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mp_bluetooth_deinit();
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#endif
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#if MICROPY_PY_MACHINE
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machine_pin_deinit();
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#endif
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goto soft_reset;
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return 0;
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}
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void gc_collect(void) {
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// WARNING: This gc_collect implementation doesn't try to get root
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// pointers from CPU registers, and thus may function incorrectly.
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void *dummy;
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gc_collect_start();
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gc_collect_root(&dummy, ((mp_uint_t)MP_STATE_THREAD(stack_top) - (mp_uint_t)&dummy) / sizeof(mp_uint_t));
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gc_collect_end();
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// gc_dump_info();
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}
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#if !MICROPY_READER_VFS
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mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
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mp_raise_OSError(ENOENT);
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}
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#endif
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#if !MICROPY_VFS
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mp_import_stat_t mp_import_stat(const char *path) {
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return MP_IMPORT_STAT_NO_EXIST;
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}
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mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
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#endif
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NORETURN void nlr_jump_fail(void *val) {
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while (1) {
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;
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}
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}
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#ifndef NDEBUG
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void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
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printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
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__fatal_error("Assertion failed");
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}
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#endif
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