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bugfix(temperature_sensor): Fix issue that get the value is negative

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This commit is contained in:
Cao Sen Miao 2023-08-03 11:16:42 +08:00
parent de409c2ec3
commit 4ccbec93e2
1 changed files with 2 additions and 2 deletions
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4
components/driver/temperature_sensor/temperature_sensor.c
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@ -215,7 +215,7 @@ static esp_err_t read_delta_t_from_efuse(void)
return ESP_OK; return ESP_OK;
} }
static float parse_temp_sensor_raw_value(uint32_t tsens_raw) static float parse_temp_sensor_raw_value(int16_t tsens_raw)
{ {
if (isnan(s_deltaT)) { //suggests that the value is not initialized if (isnan(s_deltaT)) { //suggests that the value is not initialized
read_delta_t_from_efuse(); read_delta_t_from_efuse();
@ -230,7 +230,7 @@ esp_err_t temperature_sensor_get_celsius(temperature_sensor_handle_t tsens, floa
ESP_RETURN_ON_FALSE(out_celsius != NULL, ESP_ERR_INVALID_ARG, TAG, "Celsius points to nothing"); ESP_RETURN_ON_FALSE(out_celsius != NULL, ESP_ERR_INVALID_ARG, TAG, "Celsius points to nothing");
ESP_RETURN_ON_FALSE(tsens->fsm == TEMP_SENSOR_FSM_ENABLE, ESP_ERR_INVALID_STATE, TAG, "tsens not enabled yet"); ESP_RETURN_ON_FALSE(tsens->fsm == TEMP_SENSOR_FSM_ENABLE, ESP_ERR_INVALID_STATE, TAG, "tsens not enabled yet");
bool range_changed; bool range_changed;
uint16_t tsens_out = temp_sensor_get_raw_value(&range_changed); int16_t tsens_out = temp_sensor_get_raw_value(&range_changed);
*out_celsius = parse_temp_sensor_raw_value(tsens_out); *out_celsius = parse_temp_sensor_raw_value(tsens_out);
if (*out_celsius < TEMPERATURE_SENSOR_LL_MEASURE_MIN || *out_celsius > TEMPERATURE_SENSOR_LL_MEASURE_MAX) { if (*out_celsius < TEMPERATURE_SENSOR_LL_MEASURE_MIN || *out_celsius > TEMPERATURE_SENSOR_LL_MEASURE_MAX) {