mirror of
https://github.com/licsber/micropython.git
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e600810f39
This allows to get slightly more memory for the heap (currently around 110k vs previous 92k) because the ESP IDF frees up some RAM after booting up.
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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