kopia lustrzana https://github.com/micropython/micropython
268 wiersze
8.7 KiB
C
268 wiersze
8.7 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) 2013-2023 Damien P. George
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* Copyright (c) 2016 Paul Sokolovsky
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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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// This file is never compiled standalone, it's included directly from
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// extmod/modmachine.c via MICROPY_PY_MACHINE_INCLUDEFILE.
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_mac.h"
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#include "esp_sleep.h"
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#include "esp_pm.h"
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#include "modmachine.h"
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#include "machine_rtc.h"
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#if MICROPY_HW_ENABLE_SDCARD
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#define MICROPY_PY_MACHINE_SDCARD_ENTRY { MP_ROM_QSTR(MP_QSTR_SDCard), MP_ROM_PTR(&machine_sdcard_type) },
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#else
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#define MICROPY_PY_MACHINE_SDCARD_ENTRY
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#endif
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#if CONFIG_IDF_TARGET_ESP32 || CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
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#define MICROPY_PY_MACHINE_TOUCH_PAD_ENTRY { MP_ROM_QSTR(MP_QSTR_TouchPad), MP_ROM_PTR(&machine_touchpad_type) },
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#else
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#define MICROPY_PY_MACHINE_TOUCH_PAD_ENTRY
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#endif
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#define MICROPY_PY_MACHINE_EXTRA_GLOBALS \
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{ MP_ROM_QSTR(MP_QSTR_sleep), MP_ROM_PTR(&machine_lightsleep_obj) }, \
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\
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{ MP_ROM_QSTR(MP_QSTR_Timer), MP_ROM_PTR(&machine_timer_type) }, \
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MICROPY_PY_MACHINE_SDCARD_ENTRY \
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{ MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&machine_pin_type) }, \
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MICROPY_PY_MACHINE_TOUCH_PAD_ENTRY \
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{ MP_ROM_QSTR(MP_QSTR_RTC), MP_ROM_PTR(&machine_rtc_type) }, \
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\
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/* wake abilities */ \
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{ MP_ROM_QSTR(MP_QSTR_SLEEP), MP_ROM_INT(MACHINE_WAKE_SLEEP) }, \
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{ MP_ROM_QSTR(MP_QSTR_DEEPSLEEP), MP_ROM_INT(MACHINE_WAKE_DEEPSLEEP) }, \
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\
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/* Reset reasons */ \
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{ MP_ROM_QSTR(MP_QSTR_HARD_RESET), MP_ROM_INT(MP_HARD_RESET) }, \
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{ MP_ROM_QSTR(MP_QSTR_PWRON_RESET), MP_ROM_INT(MP_PWRON_RESET) }, \
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{ MP_ROM_QSTR(MP_QSTR_WDT_RESET), MP_ROM_INT(MP_WDT_RESET) }, \
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{ MP_ROM_QSTR(MP_QSTR_DEEPSLEEP_RESET), MP_ROM_INT(MP_DEEPSLEEP_RESET) }, \
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{ MP_ROM_QSTR(MP_QSTR_SOFT_RESET), MP_ROM_INT(MP_SOFT_RESET) }, \
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\
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/* Wake reasons */ \
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{ MP_ROM_QSTR(MP_QSTR_wake_reason), MP_ROM_PTR(&machine_wake_reason_obj) }, \
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{ MP_ROM_QSTR(MP_QSTR_PIN_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_EXT0) }, \
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{ MP_ROM_QSTR(MP_QSTR_EXT0_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_EXT0) }, \
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{ MP_ROM_QSTR(MP_QSTR_EXT1_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_EXT1) }, \
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{ MP_ROM_QSTR(MP_QSTR_TIMER_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_TIMER) }, \
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{ MP_ROM_QSTR(MP_QSTR_TOUCHPAD_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_TOUCHPAD) }, \
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{ MP_ROM_QSTR(MP_QSTR_ULP_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_ULP) }, \
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typedef enum {
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MP_PWRON_RESET = 1,
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MP_HARD_RESET,
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MP_WDT_RESET,
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MP_DEEPSLEEP_RESET,
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MP_SOFT_RESET
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} reset_reason_t;
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static bool is_soft_reset = 0;
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#if CONFIG_IDF_TARGET_ESP32C3
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int esp_clk_cpu_freq(void);
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#endif
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static mp_obj_t mp_machine_get_freq(void) {
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return mp_obj_new_int(esp_rom_get_cpu_ticks_per_us() * 1000000);
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}
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static void mp_machine_set_freq(size_t n_args, const mp_obj_t *args) {
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mp_int_t freq = mp_obj_get_int(args[0]) / 1000000;
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if (freq != 20 && freq != 40 && freq != 80 && freq != 160
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#if !CONFIG_IDF_TARGET_ESP32C3
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&& freq != 240
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#endif
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) {
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#if CONFIG_IDF_TARGET_ESP32C3
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mp_raise_ValueError(MP_ERROR_TEXT("frequency must be 20MHz, 40MHz, 80Mhz or 160MHz"));
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#else
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mp_raise_ValueError(MP_ERROR_TEXT("frequency must be 20MHz, 40MHz, 80Mhz, 160MHz or 240MHz"));
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#endif
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}
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 1, 0)
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esp_pm_config_t pm;
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#else
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#if CONFIG_IDF_TARGET_ESP32
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esp_pm_config_esp32_t pm;
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#elif CONFIG_IDF_TARGET_ESP32C3
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esp_pm_config_esp32c3_t pm;
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#elif CONFIG_IDF_TARGET_ESP32S2
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esp_pm_config_esp32s2_t pm;
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#elif CONFIG_IDF_TARGET_ESP32S3
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esp_pm_config_esp32s3_t pm;
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#endif
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#endif
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pm.max_freq_mhz = freq;
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pm.min_freq_mhz = freq;
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pm.light_sleep_enable = false;
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esp_err_t ret = esp_pm_configure(&pm);
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if (ret != ESP_OK) {
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mp_raise_ValueError(NULL);
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}
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while (esp_rom_get_cpu_ticks_per_us() != freq) {
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vTaskDelay(1);
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}
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}
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static void machine_sleep_helper(wake_type_t wake_type, size_t n_args, const mp_obj_t *args) {
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// First, disable any previously set wake-up source
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esp_sleep_disable_wakeup_source(ESP_SLEEP_WAKEUP_ALL);
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// Set the expiry time of the sleep, if given.
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if (n_args != 0) {
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mp_int_t expiry = mp_obj_get_int(args[0]);
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esp_sleep_enable_timer_wakeup(((uint64_t)expiry) * 1000);
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}
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#if !CONFIG_IDF_TARGET_ESP32C3
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if (machine_rtc_config.ext0_pin != -1 && (machine_rtc_config.ext0_wake_types & wake_type)) {
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esp_sleep_enable_ext0_wakeup(machine_rtc_config.ext0_pin, machine_rtc_config.ext0_level ? 1 : 0);
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}
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if (machine_rtc_config.ext1_pins != 0) {
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esp_sleep_enable_ext1_wakeup(
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machine_rtc_config.ext1_pins,
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machine_rtc_config.ext1_level ? ESP_EXT1_WAKEUP_ANY_HIGH : ESP_EXT1_WAKEUP_ALL_LOW);
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}
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if (machine_rtc_config.wake_on_touch) {
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if (esp_sleep_enable_touchpad_wakeup() != ESP_OK) {
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mp_raise_msg(&mp_type_RuntimeError, MP_ERROR_TEXT("esp_sleep_enable_touchpad_wakeup() failed"));
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}
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}
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if (machine_rtc_config.wake_on_ulp) {
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if (esp_sleep_enable_ulp_wakeup() != ESP_OK) {
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mp_raise_msg(&mp_type_RuntimeError, MP_ERROR_TEXT("esp_sleep_enable_ulp_wakeup() failed"));
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}
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}
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#endif
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switch (wake_type) {
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case MACHINE_WAKE_SLEEP:
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esp_light_sleep_start();
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break;
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case MACHINE_WAKE_DEEPSLEEP:
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esp_deep_sleep_start();
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break;
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}
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}
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static void mp_machine_lightsleep(size_t n_args, const mp_obj_t *args) {
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machine_sleep_helper(MACHINE_WAKE_SLEEP, n_args, args);
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};
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NORETURN static void mp_machine_deepsleep(size_t n_args, const mp_obj_t *args) {
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machine_sleep_helper(MACHINE_WAKE_DEEPSLEEP, n_args, args);
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mp_machine_reset();
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};
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static mp_int_t mp_machine_reset_cause(void) {
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if (is_soft_reset) {
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return MP_SOFT_RESET;
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}
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switch (esp_reset_reason()) {
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case ESP_RST_POWERON:
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case ESP_RST_BROWNOUT:
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return MP_PWRON_RESET;
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case ESP_RST_INT_WDT:
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case ESP_RST_TASK_WDT:
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case ESP_RST_WDT:
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return MP_WDT_RESET;
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case ESP_RST_DEEPSLEEP:
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return MP_DEEPSLEEP_RESET;
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case ESP_RST_SW:
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case ESP_RST_PANIC:
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case ESP_RST_EXT: // Comment in ESP-IDF: "For ESP32, ESP_RST_EXT is never returned"
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return MP_HARD_RESET;
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case ESP_RST_SDIO:
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case ESP_RST_UNKNOWN:
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default:
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return 0;
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}
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}
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#if MICROPY_ESP32_USE_BOOTLOADER_RTC
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#include "soc/rtc_cntl_reg.h"
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NORETURN static void machine_bootloader_rtc(void) {
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REG_WRITE(RTC_CNTL_OPTION1_REG, RTC_CNTL_FORCE_DOWNLOAD_BOOT);
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esp_restart();
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}
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#endif
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#ifdef MICROPY_BOARD_ENTER_BOOTLOADER
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NORETURN void mp_machine_bootloader(size_t n_args, const mp_obj_t *args) {
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MICROPY_BOARD_ENTER_BOOTLOADER(n_args, args);
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for (;;) {
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}
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}
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#endif
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void machine_init(void) {
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is_soft_reset = 0;
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}
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void machine_deinit(void) {
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// we are doing a soft-reset so change the reset_cause
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is_soft_reset = 1;
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}
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static mp_obj_t machine_wake_reason(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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return MP_OBJ_NEW_SMALL_INT(esp_sleep_get_wakeup_cause());
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}
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static MP_DEFINE_CONST_FUN_OBJ_KW(machine_wake_reason_obj, 0, machine_wake_reason);
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NORETURN static void mp_machine_reset(void) {
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esp_restart();
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}
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static mp_obj_t mp_machine_unique_id(void) {
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uint8_t chipid[6];
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esp_efuse_mac_get_default(chipid);
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return mp_obj_new_bytes(chipid, 6);
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}
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static void mp_machine_idle(void) {
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MP_THREAD_GIL_EXIT();
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taskYIELD();
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MP_THREAD_GIL_ENTER();
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}
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