134 lines
4.1 KiB
C
134 lines
4.1 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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* Development of the code in this file was sponsored by Microbric Pty Ltd
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 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 <stdio.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_system.h"
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#include "nvs_flash.h"
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#include "esp_task.h"
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#include "soc/cpu.h"
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#include "py/stackctrl.h"
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#include "py/nlr.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 "lib/mp-readline/readline.h"
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#include "lib/utils/pyexec.h"
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#include "uart.h"
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#include "modmachine.h"
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#include "mpthreadport.h"
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// MicroPython runs as a task under FreeRTOS
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#define MP_TASK_PRIORITY (ESP_TASK_PRIO_MIN + 1)
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#define MP_TASK_STACK_SIZE (16 * 1024)
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#define MP_TASK_STACK_LEN (MP_TASK_STACK_SIZE / sizeof(StackType_t))
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STATIC StaticTask_t mp_task_tcb;
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STATIC StackType_t mp_task_stack[MP_TASK_STACK_LEN] __attribute__((aligned (8)));
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void mp_task(void *pvParameter) {
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volatile uint32_t sp = (uint32_t)get_sp();
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#if MICROPY_PY_THREAD
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mp_thread_init(&mp_task_stack[0], MP_TASK_STACK_LEN);
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#endif
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uart_init();
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// Allocate the uPy heap using malloc and get the largest available region
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size_t mp_task_heap_size = heap_caps_get_largest_free_block(MALLOC_CAP_8BIT);
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void *mp_task_heap = malloc(mp_task_heap_size);
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soft_reset:
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// initialise the stack pointer for the main thread
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mp_stack_set_top((void *)sp);
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mp_stack_set_limit(MP_TASK_STACK_SIZE - 1024);
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gc_init(mp_task_heap, mp_task_heap + mp_task_heap_size);
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mp_init();
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mp_obj_list_init(mp_sys_path, 0);
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mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_));
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mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_lib));
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mp_obj_list_init(mp_sys_argv, 0);
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readline_init0();
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// initialise peripherals
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machine_pins_init();
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// run boot-up scripts
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pyexec_frozen_module("_boot.py");
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pyexec_file("boot.py");
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if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
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pyexec_file("main.py");
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}
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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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#if MICROPY_PY_THREAD
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mp_thread_deinit();
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#endif
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mp_hal_stdout_tx_str("PYB: soft reboot\r\n");
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// deinitialise peripherals
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machine_pins_deinit();
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mp_deinit();
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fflush(stdout);
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goto soft_reset;
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}
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void app_main(void) {
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nvs_flash_init();
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xTaskCreateStaticPinnedToCore(mp_task, "mp_task", MP_TASK_STACK_LEN, NULL, MP_TASK_PRIORITY,
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&mp_task_stack[0], &mp_task_tcb, 0);
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}
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void nlr_jump_fail(void *val) {
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printf("NLR jump failed, val=%p\n", val);
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esp_restart();
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}
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// modussl_mbedtls uses this function but it's not enabled in ESP IDF
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void mbedtls_debug_set_threshold(int threshold) {
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(void)threshold;
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}
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