kopia lustrzana https://github.com/micropython/micropython
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commit
3167235ff6
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@ -18,6 +18,9 @@ working with this board it may be useful to get an overview of the microcontroll
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general.rst
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tutorial/index.rst
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Note that there are several varieties of ESP32- ESP32, ESP32C3, ESP32S2, ESP32S3 supported by MicroPython,
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with some differences in functionality between them.
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Installing MicroPython
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----------------------
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@ -58,12 +61,19 @@ The :mod:`esp32` module::
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import esp32
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esp32.raw_temperature() # read the internal temperature of the MCU, in Fahrenheit
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esp32.ULP() # access to the Ultra-Low-Power Co-processor
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esp32.ULP() # access to the Ultra-Low-Power Co-processor, not on ESP32C3
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Note that the temperature sensor in the ESP32 will typically read higher than
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ambient due to the IC getting warm while it runs. This effect can be minimised
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by reading the temperature sensor immediately after waking up from sleep.
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ESP32C3, ESP32S2, and ESP32S3 also have an internal sensor available.
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It is implemented a bit differently than the ESP32 and returns
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temperature in Celsius::
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esp32.mcu_temperature() # read the internal temperature of the MCU, in Celsius
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Networking
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----------
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@ -168,6 +168,25 @@ static mp_obj_t esp32_raw_temperature(void) {
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}
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static MP_DEFINE_CONST_FUN_OBJ_0(esp32_raw_temperature_obj, esp32_raw_temperature);
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#else
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// IDF 5 exposes new internal temperature interface, and the ESP32C3/S2/S3
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// now have calibrated temperature settings in 5 discrete ranges.
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#include "driver/temperature_sensor.h"
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static mp_obj_t esp32_mcu_temperature(void) {
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static temperature_sensor_handle_t temp_sensor = NULL;
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float tvalue;
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if (temp_sensor == NULL) {
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temperature_sensor_config_t temp_sensor_config = TEMPERATURE_SENSOR_CONFIG_DEFAULT(-10, 80);
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ESP_ERROR_CHECK(temperature_sensor_install(&temp_sensor_config, &temp_sensor));
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}
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ESP_ERROR_CHECK(temperature_sensor_enable(temp_sensor));
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ESP_ERROR_CHECK(temperature_sensor_get_celsius(temp_sensor, &tvalue));
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ESP_ERROR_CHECK(temperature_sensor_disable(temp_sensor));
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return mp_obj_new_int((int)(tvalue + 0.5));
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}
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static MP_DEFINE_CONST_FUN_OBJ_0(esp32_mcu_temperature_obj, esp32_mcu_temperature);
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#endif
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static mp_obj_t esp32_idf_heap_info(const mp_obj_t cap_in) {
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@ -202,6 +221,8 @@ static const mp_rom_map_elem_t esp32_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_gpio_deep_sleep_hold), MP_ROM_PTR(&esp32_gpio_deep_sleep_hold_obj) },
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#if CONFIG_IDF_TARGET_ESP32
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{ MP_ROM_QSTR(MP_QSTR_raw_temperature), MP_ROM_PTR(&esp32_raw_temperature_obj) },
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#else
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{ MP_ROM_QSTR(MP_QSTR_mcu_temperature), MP_ROM_PTR(&esp32_mcu_temperature_obj) },
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#endif
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{ MP_ROM_QSTR(MP_QSTR_idf_heap_info), MP_ROM_PTR(&esp32_idf_heap_info_obj) },
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