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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* Development of the code in this file was sponsored by Microbric Pty Ltd
*
* The MIT License (MIT)
*
* Copyright (c) 2016 Damien P. George
*
* 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 <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "nvs_flash.h"
#include "esp_task.h"
#include "soc/cpu.h"
#include "esp_log.h"
#if MICROPY_ESP_IDF_4
#include "esp32/spiram.h"
#else
#include "esp_spiram.h"
#endif
#include "py/stackctrl.h"
#include "py/nlr.h"
#include "py/compile.h"
#include "py/runtime.h"
#include "py/persistentcode.h"
#include "py/repl.h"
#include "py/gc.h"
#include "py/mphal.h"
#include "lib/mp-readline/readline.h"
#include "lib/utils/pyexec.h"
#include "uart.h"
#include "modmachine.h"
#include "modnetwork.h"
#include "mpthreadport.h"
// MicroPython runs as a task under FreeRTOS
#define MP_TASK_PRIORITY (ESP_TASK_PRIO_MIN + 1)
#define MP_TASK_STACK_SIZE (16 * 1024)
#define MP_TASK_STACK_LEN (MP_TASK_STACK_SIZE / sizeof(StackType_t))
int vprintf_null(const char *format, va_list ap) {
// do nothing: this is used as a log target during raw repl mode
return 0;
}
void mp_task(void *pvParameter) {
volatile uint32_t sp = (uint32_t)get_sp();
#if MICROPY_PY_THREAD
mp_thread_init(pxTaskGetStackStart(NULL), MP_TASK_STACK_LEN);
#endif
uart_init();
// TODO: CONFIG_SPIRAM_SUPPORT is for 3.3 compatibility, remove after move to 4.0.
#if CONFIG_ESP32_SPIRAM_SUPPORT || CONFIG_SPIRAM_SUPPORT
// Try to use the entire external SPIRAM directly for the heap
size_t mp_task_heap_size;
void *mp_task_heap = (void *)0x3f800000;
switch (esp_spiram_get_chip_size()) {
case ESP_SPIRAM_SIZE_16MBITS:
mp_task_heap_size = 2 * 1024 * 1024;
break;
case ESP_SPIRAM_SIZE_32MBITS:
case ESP_SPIRAM_SIZE_64MBITS:
mp_task_heap_size = 4 * 1024 * 1024;
break;
default:
// No SPIRAM, fallback to normal allocation
mp_task_heap_size = heap_caps_get_largest_free_block(MALLOC_CAP_8BIT);
mp_task_heap = malloc(mp_task_heap_size);
break;
}
#else
// Allocate the uPy heap using malloc and get the largest available region
size_t mp_task_heap_size = heap_caps_get_largest_free_block(MALLOC_CAP_8BIT);
void *mp_task_heap = malloc(mp_task_heap_size);
#endif
soft_reset:
// initialise the stack pointer for the main thread
mp_stack_set_top((void *)sp);
mp_stack_set_limit(MP_TASK_STACK_SIZE - 1024);
gc_init(mp_task_heap, mp_task_heap + mp_task_heap_size);
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_));
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_lib));
mp_obj_list_init(mp_sys_argv, 0);
readline_init0();
// initialise peripherals
machine_pins_init();
// run boot-up scripts
pyexec_frozen_module("_boot.py");
pyexec_file_if_exists("boot.py");
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
pyexec_file_if_exists("main.py");
}
for (;;) {
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
vprintf_like_t vprintf_log = esp_log_set_vprintf(vprintf_null);
if (pyexec_raw_repl() != 0) {
break;
}
esp_log_set_vprintf(vprintf_log);
} else {
if (pyexec_friendly_repl() != 0) {
break;
}
}
}
machine_timer_deinit_all();
#if MICROPY_PY_THREAD
mp_thread_deinit();
#endif
gc_sweep_all();
mp_hal_stdout_tx_str("MPY: soft reboot\r\n");
// deinitialise peripherals
machine_pins_deinit();
usocket_events_deinit();
mp_deinit();
fflush(stdout);
goto soft_reset;
}
void app_main(void) {
esp_err_t ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
nvs_flash_erase();
nvs_flash_init();
}
xTaskCreatePinnedToCore(mp_task, "mp_task", MP_TASK_STACK_LEN, NULL, MP_TASK_PRIORITY, &mp_main_task_handle, MP_TASK_COREID);
}
void nlr_jump_fail(void *val) {
printf("NLR jump failed, val=%p\n", val);
esp_restart();
}
// modussl_mbedtls uses this function but it's not enabled in ESP IDF
void mbedtls_debug_set_threshold(int threshold) {
(void)threshold;
}
void *esp_native_code_commit(void *buf, size_t len, void *reloc) {
len = (len + 3) & ~3;
uint32_t *p = heap_caps_malloc(len, MALLOC_CAP_EXEC);
if (p == NULL) {
m_malloc_fail(len);
}
if (reloc) {
mp_native_relocate(reloc, buf, (uintptr_t)p);
}
memcpy(p, buf, len);
return p;
}
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