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fix(temperature_sensor): Fix the float calculation in temperature sensor isr

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C.S.M
2026-03-17 18:41:30 +08:00
parent 9c14a34ca4
commit 545c249e41
1 changed files with 5 additions and 4 deletions
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components/esp_driver_tsens/src/temperature_sensor.c
+5 -4
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -39,7 +39,7 @@ static const char *TAG = "temperature_sensor";
static int s_deltaT = INT_MIN; // unused number
#if SOC_TEMPERATURE_SENSOR_INTR_SUPPORT
static int8_t s_temperature_regval_2_celsius(temperature_sensor_handle_t tsens, uint8_t regval);
static int s_temperature_regval_2_celsius(temperature_sensor_handle_t tsens, uint8_t regval);
#endif // SOC_TEMPERATURE_SENSOR_INTR_SUPPORT
static temperature_sensor_attribute_t *s_tsens_attribute_copy;
@@ -326,9 +326,10 @@ static uint8_t s_temperature_celsius_2_regval(temperature_sensor_handle_t tsens,
return (uint8_t)((celsius + TEMPERATURE_SENSOR_LL_OFFSET_FACTOR + TEMPERATURE_SENSOR_LL_DAC_FACTOR * tsens->tsens_attribute->offset) / TEMPERATURE_SENSOR_LL_ADC_FACTOR);
}
IRAM_ATTR static int8_t s_temperature_regval_2_celsius(temperature_sensor_handle_t tsens, uint8_t regval)
IRAM_ATTR static int s_temperature_regval_2_celsius(temperature_sensor_handle_t tsens, uint8_t regval)
{
return TEMPERATURE_SENSOR_LL_ADC_FACTOR * regval - TEMPERATURE_SENSOR_LL_DAC_FACTOR * tsens->tsens_attribute->offset - TEMPERATURE_SENSOR_LL_OFFSET_FACTOR;
int result = TEMPERATURE_SENSOR_LL_ADC_FACTOR_INT * regval - TEMPERATURE_SENSOR_LL_DAC_FACTOR_INT * tsens->tsens_attribute->offset - TEMPERATURE_SENSOR_LL_OFFSET_FACTOR_INT;
return (result / TEMPERATURE_SENSOR_LL_DENOMINATOR);
}
esp_err_t temperature_sensor_set_absolute_threshold(temperature_sensor_handle_t tsens, const temperature_sensor_abs_threshold_config_t *abs_cfg)