| /* |
| * 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) 2013-2015 Damien P. George |
| * Copyright (c) 2016 Paul Sokolovsky |
| * |
| * 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 <stdint.h> |
| #include <stdio.h> |
| |
| #include "freertos/FreeRTOS.h" |
| #include "freertos/task.h" |
| #if MICROPY_ESP_IDF_4 |
| #include "esp32/rom/rtc.h" |
| #include "esp32/clk.h" |
| #include "esp_sleep.h" |
| #else |
| #include "rom/ets_sys.h" |
| #include "rom/rtc.h" |
| #include "esp_clk.h" |
| #endif |
| #include "esp_pm.h" |
| #include "driver/touch_pad.h" |
| |
| #include "py/obj.h" |
| #include "py/runtime.h" |
| #include "lib/utils/pyexec.h" |
| #include "extmod/machine_mem.h" |
| #include "extmod/machine_signal.h" |
| #include "extmod/machine_pulse.h" |
| #include "extmod/machine_i2c.h" |
| #include "extmod/machine_spi.h" |
| #include "modmachine.h" |
| #include "machine_rtc.h" |
| |
| #if MICROPY_PY_MACHINE |
| |
| typedef enum { |
| MP_PWRON_RESET = 1, |
| MP_HARD_RESET, |
| MP_WDT_RESET, |
| MP_DEEPSLEEP_RESET, |
| MP_SOFT_RESET |
| } reset_reason_t; |
| |
| STATIC mp_obj_t machine_freq(size_t n_args, const mp_obj_t *args) { |
| if (n_args == 0) { |
| // get |
| return mp_obj_new_int(esp_clk_cpu_freq()); |
| } else { |
| // set |
| mp_int_t freq = mp_obj_get_int(args[0]) / 1000000; |
| if (freq != 20 && freq != 40 && freq != 80 && freq != 160 && freq != 240) { |
| mp_raise_ValueError("frequency must be 20MHz, 40MHz, 80Mhz, 160MHz or 240MHz"); |
| } |
| esp_pm_config_esp32_t pm; |
| pm.max_freq_mhz = freq; |
| pm.min_freq_mhz = freq; |
| pm.light_sleep_enable = false; |
| esp_err_t ret = esp_pm_configure(&pm); |
| if (ret != ESP_OK) { |
| mp_raise_ValueError(NULL); |
| } |
| while (esp_clk_cpu_freq() != freq * 1000000) { |
| vTaskDelay(1); |
| } |
| return mp_const_none; |
| } |
| } |
| STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_freq_obj, 0, 1, machine_freq); |
| |
| 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) { |
| |
| enum {ARG_sleep_ms}; |
| const mp_arg_t allowed_args[] = { |
| { MP_QSTR_sleep_ms, MP_ARG_INT, { .u_int = 0 } }, |
| }; |
| |
| mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; |
| mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); |
| |
| |
| mp_int_t expiry = args[ARG_sleep_ms].u_int; |
| |
| if (expiry != 0) { |
| esp_sleep_enable_timer_wakeup(((uint64_t)expiry) * 1000); |
| } |
| |
| if (machine_rtc_config.ext0_pin != -1 && (machine_rtc_config.ext0_wake_types & wake_type)) { |
| esp_sleep_enable_ext0_wakeup(machine_rtc_config.ext0_pin, machine_rtc_config.ext0_level ? 1 : 0); |
| } |
| |
| if (machine_rtc_config.ext1_pins != 0) { |
| esp_sleep_enable_ext1_wakeup( |
| machine_rtc_config.ext1_pins, |
| machine_rtc_config.ext1_level ? ESP_EXT1_WAKEUP_ANY_HIGH : ESP_EXT1_WAKEUP_ALL_LOW); |
| } |
| |
| if (machine_rtc_config.wake_on_touch) { |
| if (esp_sleep_enable_touchpad_wakeup() != ESP_OK) { |
| mp_raise_msg(&mp_type_RuntimeError, "esp_sleep_enable_touchpad_wakeup() failed"); |
| } |
| } |
| |
| switch(wake_type) { |
| case MACHINE_WAKE_SLEEP: |
| esp_light_sleep_start(); |
| break; |
| case MACHINE_WAKE_DEEPSLEEP: |
| esp_deep_sleep_start(); |
| break; |
| } |
| return mp_const_none; |
| } |
| |
| STATIC mp_obj_t machine_lightsleep(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { |
| return machine_sleep_helper(MACHINE_WAKE_SLEEP, n_args, pos_args, kw_args); |
| }; |
| STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_lightsleep_obj, 0, machine_lightsleep); |
| |
| STATIC mp_obj_t machine_deepsleep(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { |
| return machine_sleep_helper(MACHINE_WAKE_DEEPSLEEP, n_args, pos_args, kw_args); |
| }; |
| STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_deepsleep_obj, 0, machine_deepsleep); |
| |
| STATIC mp_obj_t machine_reset_cause(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { |
| switch(rtc_get_reset_reason(0)) { |
| case POWERON_RESET: |
| return MP_OBJ_NEW_SMALL_INT(MP_PWRON_RESET); |
| break; |
| case SW_RESET: |
| case SW_CPU_RESET: |
| return MP_OBJ_NEW_SMALL_INT(MP_SOFT_RESET); |
| break; |
| case OWDT_RESET: |
| case TG0WDT_SYS_RESET: |
| case TG1WDT_SYS_RESET: |
| case RTCWDT_SYS_RESET: |
| case RTCWDT_BROWN_OUT_RESET: |
| case RTCWDT_CPU_RESET: |
| case RTCWDT_RTC_RESET: |
| case TGWDT_CPU_RESET: |
| return MP_OBJ_NEW_SMALL_INT(MP_WDT_RESET); |
| break; |
| |
| case DEEPSLEEP_RESET: |
| return MP_OBJ_NEW_SMALL_INT(MP_DEEPSLEEP_RESET); |
| break; |
| |
| case EXT_CPU_RESET: |
| return MP_OBJ_NEW_SMALL_INT(MP_HARD_RESET); |
| break; |
| |
| case NO_MEAN: |
| case SDIO_RESET: |
| case INTRUSION_RESET: |
| default: |
| return MP_OBJ_NEW_SMALL_INT(0); |
| break; |
| } |
| } |
| STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_reset_cause_obj, 0, machine_reset_cause); |
| |
| STATIC mp_obj_t machine_wake_reason(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { |
| return MP_OBJ_NEW_SMALL_INT(esp_sleep_get_wakeup_cause()); |
| } |
| STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_wake_reason_obj, 0, machine_wake_reason); |
| |
| STATIC mp_obj_t machine_reset(void) { |
| esp_restart(); |
| return mp_const_none; |
| } |
| STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_obj, machine_reset); |
| |
| STATIC mp_obj_t machine_soft_reset(void) { |
| pyexec_system_exit = PYEXEC_FORCED_EXIT; |
| mp_raise_type(&mp_type_SystemExit); |
| } |
| STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_soft_reset_obj, machine_soft_reset); |
| |
| STATIC mp_obj_t machine_unique_id(void) { |
| uint8_t chipid[6]; |
| esp_efuse_mac_get_default(chipid); |
| return mp_obj_new_bytes(chipid, 6); |
| } |
| STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_unique_id_obj, machine_unique_id); |
| |
| STATIC mp_obj_t machine_idle(void) { |
| taskYIELD(); |
| return mp_const_none; |
| } |
| STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_idle_obj, machine_idle); |
| |
| STATIC mp_obj_t machine_disable_irq(void) { |
| uint32_t state = MICROPY_BEGIN_ATOMIC_SECTION(); |
| return mp_obj_new_int(state); |
| } |
| MP_DEFINE_CONST_FUN_OBJ_0(machine_disable_irq_obj, machine_disable_irq); |
| |
| STATIC mp_obj_t machine_enable_irq(mp_obj_t state_in) { |
| uint32_t state = mp_obj_get_int(state_in); |
| MICROPY_END_ATOMIC_SECTION(state); |
| return mp_const_none; |
| } |
| MP_DEFINE_CONST_FUN_OBJ_1(machine_enable_irq_obj, machine_enable_irq); |
| |
| STATIC const mp_rom_map_elem_t machine_module_globals_table[] = { |
| { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_umachine) }, |
| |
| { MP_ROM_QSTR(MP_QSTR_mem8), MP_ROM_PTR(&machine_mem8_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_mem16), MP_ROM_PTR(&machine_mem16_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_mem32), MP_ROM_PTR(&machine_mem32_obj) }, |
| |
| { MP_ROM_QSTR(MP_QSTR_freq), MP_ROM_PTR(&machine_freq_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&machine_reset_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_soft_reset), MP_ROM_PTR(&machine_soft_reset_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_unique_id), MP_ROM_PTR(&machine_unique_id_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_sleep), MP_ROM_PTR(&machine_lightsleep_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_lightsleep), MP_ROM_PTR(&machine_lightsleep_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_deepsleep), MP_ROM_PTR(&machine_deepsleep_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_idle), MP_ROM_PTR(&machine_idle_obj) }, |
| |
| { MP_ROM_QSTR(MP_QSTR_disable_irq), MP_ROM_PTR(&machine_disable_irq_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_enable_irq), MP_ROM_PTR(&machine_enable_irq_obj) }, |
| |
| { MP_ROM_QSTR(MP_QSTR_time_pulse_us), MP_ROM_PTR(&machine_time_pulse_us_obj) }, |
| |
| { MP_ROM_QSTR(MP_QSTR_Timer), MP_ROM_PTR(&machine_timer_type) }, |
| { MP_ROM_QSTR(MP_QSTR_WDT), MP_ROM_PTR(&machine_wdt_type) }, |
| #if MICROPY_HW_ENABLE_SDCARD |
| { MP_ROM_QSTR(MP_QSTR_SDCard), MP_ROM_PTR(&machine_sdcard_type) }, |
| #endif |
| |
| // wake abilities |
| { MP_ROM_QSTR(MP_QSTR_SLEEP), MP_ROM_INT(MACHINE_WAKE_SLEEP) }, |
| { MP_ROM_QSTR(MP_QSTR_DEEPSLEEP), MP_ROM_INT(MACHINE_WAKE_DEEPSLEEP) }, |
| { MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&machine_pin_type) }, |
| { MP_ROM_QSTR(MP_QSTR_Signal), MP_ROM_PTR(&machine_signal_type) }, |
| { MP_ROM_QSTR(MP_QSTR_TouchPad), MP_ROM_PTR(&machine_touchpad_type) }, |
| { MP_ROM_QSTR(MP_QSTR_ADC), MP_ROM_PTR(&machine_adc_type) }, |
| { MP_ROM_QSTR(MP_QSTR_DAC), MP_ROM_PTR(&machine_dac_type) }, |
| { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_i2c_type) }, |
| { MP_ROM_QSTR(MP_QSTR_PWM), MP_ROM_PTR(&machine_pwm_type) }, |
| { MP_ROM_QSTR(MP_QSTR_RTC), MP_ROM_PTR(&machine_rtc_type) }, |
| { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&mp_machine_soft_spi_type) }, |
| { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&machine_uart_type) }, |
| |
| // Reset reasons |
| { MP_ROM_QSTR(MP_QSTR_reset_cause), MP_ROM_PTR(&machine_reset_cause_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_HARD_RESET), MP_ROM_INT(MP_HARD_RESET) }, |
| { MP_ROM_QSTR(MP_QSTR_PWRON_RESET), MP_ROM_INT(MP_PWRON_RESET) }, |
| { MP_ROM_QSTR(MP_QSTR_WDT_RESET), MP_ROM_INT(MP_WDT_RESET) }, |
| { MP_ROM_QSTR(MP_QSTR_DEEPSLEEP_RESET), MP_ROM_INT(MP_DEEPSLEEP_RESET) }, |
| { MP_ROM_QSTR(MP_QSTR_SOFT_RESET), MP_ROM_INT(MP_SOFT_RESET) }, |
| |
| // Wake reasons |
| { MP_ROM_QSTR(MP_QSTR_wake_reason), MP_ROM_PTR(&machine_wake_reason_obj) }, |
| { MP_ROM_QSTR(MP_QSTR_PIN_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_EXT0) }, |
| { MP_ROM_QSTR(MP_QSTR_EXT0_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_EXT0) }, |
| { MP_ROM_QSTR(MP_QSTR_EXT1_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_EXT1) }, |
| { MP_ROM_QSTR(MP_QSTR_TIMER_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_TIMER) }, |
| { MP_ROM_QSTR(MP_QSTR_TOUCHPAD_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_TOUCHPAD) }, |
| { MP_ROM_QSTR(MP_QSTR_ULP_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_ULP) }, |
| }; |
| |
| STATIC MP_DEFINE_CONST_DICT(machine_module_globals, machine_module_globals_table); |
| |
| const mp_obj_module_t mp_module_machine = { |
| .base = { &mp_type_module }, |
| .globals = (mp_obj_dict_t*)&machine_module_globals, |
| }; |
| |
| #endif // MICROPY_PY_MACHINE |