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269 lines
10 KiB
269 lines
10 KiB
/*
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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) 2013-2015 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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#include <stdint.h>
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#include <stdio.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "rom/ets_sys.h"
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#include "rom/rtc.h"
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#include "esp_system.h"
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#include "driver/touch_pad.h"
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#include "py/obj.h"
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#include "py/runtime.h"
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#include "extmod/machine_mem.h"
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#include "extmod/machine_signal.h"
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#include "extmod/machine_pulse.h"
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#include "extmod/machine_i2c.h"
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#include "extmod/machine_spi.h"
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#include "modmachine.h"
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#include "machine_rtc.h"
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#if MICROPY_PY_MACHINE
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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 mp_obj_t machine_freq(size_t n_args, const mp_obj_t *args) {
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if (n_args == 0) {
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// get
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return mp_obj_new_int(ets_get_cpu_frequency() * 1000000);
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} else {
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// set
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mp_int_t freq = mp_obj_get_int(args[0]) / 1000000;
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if (freq != 80 && freq != 160 && freq != 240) {
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mp_raise_ValueError("frequency can only be either 80Mhz, 160MHz or 240MHz");
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}
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/*
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system_update_cpu_freq(freq);
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*/
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return mp_const_none;
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_freq_obj, 0, 1, machine_freq);
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STATIC mp_obj_t machine_sleep_helper(wake_type_t wake_type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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enum {ARG_sleep_ms};
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const mp_arg_t allowed_args[] = {
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{ MP_QSTR_sleep_ms, MP_ARG_INT, { .u_int = 0 } },
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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mp_int_t expiry = args[ARG_sleep_ms].u_int;
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if (expiry != 0) {
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esp_sleep_enable_timer_wakeup(expiry * 1000);
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}
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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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nlr_raise(mp_obj_new_exception_msg(&mp_type_RuntimeError, "esp_sleep_enable_touchpad_wakeup() failed"));
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}
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}
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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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return mp_const_none;
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}
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STATIC mp_obj_t machine_sleep(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_RuntimeError, "light sleep not available for this version of ESP-IDF"));
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return machine_sleep_helper(MACHINE_WAKE_SLEEP, n_args, pos_args, kw_args);
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};
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_sleep_obj, 0, machine_sleep);
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STATIC mp_obj_t machine_deepsleep(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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return machine_sleep_helper(MACHINE_WAKE_DEEPSLEEP, n_args, pos_args, kw_args);
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};
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_deepsleep_obj, 0, machine_deepsleep);
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STATIC mp_obj_t machine_reset_cause(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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switch(rtc_get_reset_reason(0)) {
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case POWERON_RESET:
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return MP_OBJ_NEW_SMALL_INT(MP_PWRON_RESET);
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break;
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case SW_RESET:
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case SW_CPU_RESET:
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return MP_OBJ_NEW_SMALL_INT(MP_SOFT_RESET);
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break;
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case OWDT_RESET:
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case TG0WDT_SYS_RESET:
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case TG1WDT_SYS_RESET:
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case RTCWDT_SYS_RESET:
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case RTCWDT_BROWN_OUT_RESET:
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case RTCWDT_CPU_RESET:
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case RTCWDT_RTC_RESET:
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case TGWDT_CPU_RESET:
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return MP_OBJ_NEW_SMALL_INT(MP_WDT_RESET);
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break;
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case DEEPSLEEP_RESET:
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return MP_OBJ_NEW_SMALL_INT(MP_DEEPSLEEP_RESET);
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break;
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case EXT_CPU_RESET:
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return MP_OBJ_NEW_SMALL_INT(MP_HARD_RESET);
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break;
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case NO_MEAN:
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case SDIO_RESET:
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case INTRUSION_RESET:
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default:
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return MP_OBJ_NEW_SMALL_INT(0);
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break;
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_reset_cause_obj, 0, machine_reset_cause);
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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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STATIC mp_obj_t machine_reset(void) {
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esp_restart();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_obj, machine_reset);
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STATIC mp_obj_t 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 MP_DEFINE_CONST_FUN_OBJ_0(machine_unique_id_obj, machine_unique_id);
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STATIC mp_obj_t machine_idle(void) {
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taskYIELD();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_idle_obj, machine_idle);
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STATIC mp_obj_t machine_disable_irq(void) {
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uint32_t state = MICROPY_BEGIN_ATOMIC_SECTION();
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return mp_obj_new_int(state);
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}
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MP_DEFINE_CONST_FUN_OBJ_0(machine_disable_irq_obj, machine_disable_irq);
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STATIC mp_obj_t machine_enable_irq(mp_obj_t state_in) {
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uint32_t state = mp_obj_get_int(state_in);
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MICROPY_END_ATOMIC_SECTION(state);
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(machine_enable_irq_obj, machine_enable_irq);
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STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_umachine) },
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{ MP_ROM_QSTR(MP_QSTR_mem8), MP_ROM_PTR(&machine_mem8_obj) },
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{ MP_ROM_QSTR(MP_QSTR_mem16), MP_ROM_PTR(&machine_mem16_obj) },
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{ MP_ROM_QSTR(MP_QSTR_mem32), MP_ROM_PTR(&machine_mem32_obj) },
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{ MP_ROM_QSTR(MP_QSTR_freq), MP_ROM_PTR(&machine_freq_obj) },
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{ MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&machine_reset_obj) },
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{ MP_ROM_QSTR(MP_QSTR_unique_id), MP_ROM_PTR(&machine_unique_id_obj) },
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{ MP_ROM_QSTR(MP_QSTR_sleep), MP_ROM_PTR(&machine_sleep_obj) },
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{ MP_ROM_QSTR(MP_QSTR_deepsleep), MP_ROM_PTR(&machine_deepsleep_obj) },
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{ MP_ROM_QSTR(MP_QSTR_idle), MP_ROM_PTR(&machine_idle_obj) },
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{ MP_ROM_QSTR(MP_QSTR_disable_irq), MP_ROM_PTR(&machine_disable_irq_obj) },
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{ MP_ROM_QSTR(MP_QSTR_enable_irq), MP_ROM_PTR(&machine_enable_irq_obj) },
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{ MP_ROM_QSTR(MP_QSTR_time_pulse_us), MP_ROM_PTR(&machine_time_pulse_us_obj) },
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{ MP_ROM_QSTR(MP_QSTR_Timer), MP_ROM_PTR(&machine_timer_type) },
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{ MP_ROM_QSTR(MP_QSTR_WDT), MP_ROM_PTR(&machine_wdt_type) },
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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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{ MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&machine_pin_type) },
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{ MP_ROM_QSTR(MP_QSTR_Signal), MP_ROM_PTR(&machine_signal_type) },
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{ MP_ROM_QSTR(MP_QSTR_TouchPad), MP_ROM_PTR(&machine_touchpad_type) },
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{ MP_ROM_QSTR(MP_QSTR_ADC), MP_ROM_PTR(&machine_adc_type) },
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{ MP_ROM_QSTR(MP_QSTR_DAC), MP_ROM_PTR(&machine_dac_type) },
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_i2c_type) },
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{ MP_ROM_QSTR(MP_QSTR_PWM), MP_ROM_PTR(&machine_pwm_type) },
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{ MP_ROM_QSTR(MP_QSTR_RTC), MP_ROM_PTR(&machine_rtc_type) },
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{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&mp_machine_soft_spi_type) },
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{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&machine_uart_type) },
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// Reset reasons
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{ MP_ROM_QSTR(MP_QSTR_reset_cause), MP_ROM_PTR(&machine_reset_cause_obj) },
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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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// 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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};
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STATIC MP_DEFINE_CONST_DICT(machine_module_globals, machine_module_globals_table);
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const mp_obj_module_t mp_module_machine = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&machine_module_globals,
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};
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#endif // MICROPY_PY_MACHINE
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