micropython/ports/esp32/main.c

147 wiersze
4.5 KiB
C

/*
* 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"
#include "py/stackctrl.h"
#include "py/nlr.h"
#include "py/compile.h"
#include "py/runtime.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))
STATIC StaticTask_t mp_task_tcb;
STATIC StackType_t mp_task_stack[MP_TASK_STACK_LEN] __attribute__((aligned (8)));
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(&mp_task_stack[0], MP_TASK_STACK_LEN);
#endif
uart_init();
// 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);
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("boot.py");
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
pyexec_file("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;
}
}
}
#if MICROPY_PY_THREAD
mp_thread_deinit();
#endif
gc_sweep_all();
mp_hal_stdout_tx_str("PYB: soft reboot\r\n");
// deinitialise peripherals
machine_pins_deinit();
usocket_events_deinit();
mp_deinit();
fflush(stdout);
goto soft_reset;
}
void app_main(void) {
nvs_flash_init();
xTaskCreateStaticPinnedToCore(mp_task, "mp_task", MP_TASK_STACK_LEN, NULL, MP_TASK_PRIORITY,
&mp_task_stack[0], &mp_task_tcb, 0);
}
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;
}