diff --git a/esphome/components/internal_temperature/internal_temperature_ln882x.cpp b/esphome/components/internal_temperature/internal_temperature_ln882x.cpp new file mode 100644 index 0000000000..621fbed030 --- /dev/null +++ b/esphome/components/internal_temperature/internal_temperature_ln882x.cpp @@ -0,0 +1,24 @@ +#ifdef USE_LN882X + +#include "internal_temperature.h" + +extern "C" { +uint16_t hal_adc_get_data(uint32_t adc_base, uint32_t ch); +} + +namespace esphome::internal_temperature { + +void InternalTemperatureSensor::update() { + static constexpr uint32_t ADC_BASE = 0x40000800U; + static constexpr uint32_t ADC_CH0 = 1U; + static constexpr uint16_t ADC_MASK = 0xFFF; + static constexpr float ADC_TEMP_SCALE = 2.54f; + static constexpr float ADC_TEMP_OFFSET = 278.15f; + uint16_t raw = hal_adc_get_data(ADC_BASE, ADC_CH0); + float temperature = (raw & ADC_MASK) / ADC_TEMP_SCALE - ADC_TEMP_OFFSET; + this->publish_state(temperature); +} + +} // namespace esphome::internal_temperature + +#endif // USE_LN882X diff --git a/esphome/components/internal_temperature/sensor.py b/esphome/components/internal_temperature/sensor.py index 6d79e08675..02730b6862 100644 --- a/esphome/components/internal_temperature/sensor.py +++ b/esphome/components/internal_temperature/sensor.py @@ -8,6 +8,7 @@ from esphome.const import ( ENTITY_CATEGORY_DIAGNOSTIC, PLATFORM_BK72XX, PLATFORM_ESP32, + PLATFORM_LN882X, PLATFORM_NRF52, PLATFORM_RP2040, STATE_CLASS_MEASUREMENT, @@ -30,7 +31,15 @@ CONFIG_SCHEMA = cv.All( state_class=STATE_CLASS_MEASUREMENT, entity_category=ENTITY_CATEGORY_DIAGNOSTIC, ).extend(cv.polling_component_schema("60s")), - cv.only_on([PLATFORM_ESP32, PLATFORM_RP2040, PLATFORM_BK72XX, PLATFORM_NRF52]), + cv.only_on( + [ + PLATFORM_ESP32, + PLATFORM_RP2040, + PLATFORM_BK72XX, + PLATFORM_NRF52, + PLATFORM_LN882X, + ] + ), ) @@ -53,6 +62,9 @@ FILTER_SOURCE_FILES = filter_source_files_from_platform( "internal_temperature_bk72xx.cpp": { PlatformFramework.BK72XX_ARDUINO, }, + "internal_temperature_ln882x.cpp": { + PlatformFramework.LN882X_ARDUINO, + }, "internal_temperature_zephyr.cpp": {PlatformFramework.NRF52_ZEPHYR}, } ) diff --git a/tests/components/internal_temperature/test.ln882x-ard.yaml b/tests/components/internal_temperature/test.ln882x-ard.yaml new file mode 100644 index 0000000000..dade44d145 --- /dev/null +++ b/tests/components/internal_temperature/test.ln882x-ard.yaml @@ -0,0 +1 @@ +<<: !include common.yaml