270 lines
8.2 KiB
C
270 lines
8.2 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 <stdarg.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 "esp_log.h"
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#if CONFIG_IDF_TARGET_ESP32
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#include "esp32/spiram.h"
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#elif CONFIG_IDF_TARGET_ESP32S2
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#include "esp32s2/spiram.h"
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#elif CONFIG_IDF_TARGET_ESP32S3
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#include "esp32s3/spiram.h"
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#endif
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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/persistentcode.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 "shared/readline/readline.h"
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#include "shared/runtime/pyexec.h"
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#include "uart.h"
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#include "usb.h"
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#include "usb_serial_jtag.h"
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#include "modmachine.h"
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#include "modnetwork.h"
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#include "mpthreadport.h"
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#if MICROPY_BLUETOOTH_NIMBLE
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#include "extmod/modbluetooth.h"
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#endif
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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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// Set the margin for detecting stack overflow, depending on the CPU architecture.
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#if CONFIG_IDF_TARGET_ESP32C3
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#define MP_TASK_STACK_LIMIT_MARGIN (2048)
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#else
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#define MP_TASK_STACK_LIMIT_MARGIN (1024)
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#endif
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int vprintf_null(const char *format, va_list ap) {
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// do nothing: this is used as a log target during raw repl mode
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return 0;
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}
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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(pxTaskGetStackStart(NULL), MP_TASK_STACK_SIZE / sizeof(uintptr_t));
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#endif
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#if CONFIG_USB_ENABLED
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usb_init();
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#elif CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG
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usb_serial_jtag_init();
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#endif
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#if MICROPY_HW_ENABLE_UART_REPL
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uart_stdout_init();
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#endif
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machine_init();
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size_t mp_task_heap_size;
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void *mp_task_heap = NULL;
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#if CONFIG_SPIRAM_USE_MALLOC
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// SPIRAM is issued using MALLOC, fallback to normal allocation rules
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mp_task_heap = NULL;
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#elif CONFIG_ESP32_SPIRAM_SUPPORT
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// Try to use the entire external SPIRAM directly for the heap
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mp_task_heap = (void *)SOC_EXTRAM_DATA_LOW;
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switch (esp_spiram_get_chip_size()) {
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case ESP_SPIRAM_SIZE_16MBITS:
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mp_task_heap_size = 2 * 1024 * 1024;
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break;
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case ESP_SPIRAM_SIZE_32MBITS:
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case ESP_SPIRAM_SIZE_64MBITS:
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mp_task_heap_size = 4 * 1024 * 1024;
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break;
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default:
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// No SPIRAM, fallback to normal allocation
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mp_task_heap = NULL;
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break;
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}
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#elif CONFIG_ESP32S2_SPIRAM_SUPPORT || CONFIG_ESP32S3_SPIRAM_SUPPORT
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// Try to use the entire external SPIRAM directly for the heap
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size_t esp_spiram_size = esp_spiram_get_size();
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if (esp_spiram_size > 0) {
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mp_task_heap = (void *)SOC_EXTRAM_DATA_HIGH - esp_spiram_size;
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mp_task_heap_size = esp_spiram_size;
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}
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#endif
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if (mp_task_heap == NULL) {
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// Allocate the uPy heap using malloc and get the largest available region,
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// limiting to 1/2 total available memory to leave memory for the OS.
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 1, 0)
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size_t heap_total = heap_caps_get_total_size(MALLOC_CAP_8BIT);
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#else
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multi_heap_info_t info;
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heap_caps_get_info(&info, MALLOC_CAP_8BIT);
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size_t heap_total = info.total_free_bytes + info.total_allocated_bytes;
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#endif
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mp_task_heap_size = MIN(heap_caps_get_largest_free_block(MALLOC_CAP_8BIT), heap_total / 2);
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mp_task_heap = malloc(mp_task_heap_size);
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}
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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 - MP_TASK_STACK_LIMIT_MARGIN);
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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_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_lib));
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readline_init0();
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MP_STATE_PORT(native_code_pointers) = MP_OBJ_NULL;
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// initialise peripherals
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machine_pins_init();
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#if MICROPY_PY_MACHINE_I2S
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machine_i2s_init0();
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#endif
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// run boot-up scripts
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pyexec_frozen_module("_boot.py");
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pyexec_file_if_exists("boot.py");
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if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
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int ret = pyexec_file_if_exists("main.py");
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if (ret & PYEXEC_FORCED_EXIT) {
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goto soft_reset_exit;
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}
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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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vprintf_like_t vprintf_log = esp_log_set_vprintf(vprintf_null);
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if (pyexec_raw_repl() != 0) {
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break;
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}
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esp_log_set_vprintf(vprintf_log);
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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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soft_reset_exit:
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#if MICROPY_BLUETOOTH_NIMBLE
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mp_bluetooth_deinit();
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#endif
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machine_timer_deinit_all();
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#if MICROPY_PY_THREAD
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mp_thread_deinit();
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#endif
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// Free any native code pointers that point to iRAM.
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if (MP_STATE_PORT(native_code_pointers) != MP_OBJ_NULL) {
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size_t len;
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mp_obj_t *items;
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mp_obj_list_get(MP_STATE_PORT(native_code_pointers), &len, &items);
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for (size_t i = 0; i < len; ++i) {
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heap_caps_free(MP_OBJ_TO_PTR(items[i]));
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}
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}
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gc_sweep_all();
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mp_hal_stdout_tx_str("MPY: soft reboot\r\n");
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// deinitialise peripherals
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machine_pwm_deinit_all();
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// TODO: machine_rmt_deinit_all();
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machine_pins_deinit();
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machine_deinit();
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usocket_events_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 boardctrl_startup(void) {
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esp_err_t ret = nvs_flash_init();
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if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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nvs_flash_erase();
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nvs_flash_init();
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}
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}
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void app_main(void) {
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// Hook for a board to run code at start up.
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// This defaults to initialising NVS.
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MICROPY_BOARD_STARTUP();
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// Create and transfer control to the MicroPython task.
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xTaskCreatePinnedToCore(mp_task, "mp_task", MP_TASK_STACK_SIZE / sizeof(StackType_t), NULL, MP_TASK_PRIORITY, &mp_main_task_handle, MP_TASK_COREID);
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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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void *esp_native_code_commit(void *buf, size_t len, void *reloc) {
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len = (len + 3) & ~3;
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uint32_t *p = heap_caps_malloc(len, MALLOC_CAP_EXEC);
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if (p == NULL) {
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m_malloc_fail(len);
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}
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if (MP_STATE_PORT(native_code_pointers) == MP_OBJ_NULL) {
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MP_STATE_PORT(native_code_pointers) = mp_obj_new_list(0, NULL);
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}
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mp_obj_list_append(MP_STATE_PORT(native_code_pointers), MP_OBJ_TO_PTR(p));
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if (reloc) {
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mp_native_relocate(reloc, buf, (uintptr_t)p);
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}
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memcpy(p, buf, len);
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return p;
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}
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MP_REGISTER_ROOT_POINTER(mp_obj_t native_code_pointers);
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