Upstream/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2024-12-23 16:47:57 +01:00
Code Issues Projects Releases Wiki Activity

Dallas improve warnings

Browse Source
This commit is contained in:
Otto Winter 2019-06-30 09:14:16 +02:00
parent 5a76e61b1e
commit 840f599631
No known key found for this signature in database
GPG Key ID: DB66C0BE6013F97E
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
esphome/components/dallas/dallas_component.cpp
View File

@ -132,10 +132,14 @@ void DallasComponent::update() {
enable_interrupts();
if (!res) {
ESP_LOGW(TAG, "'%s' - Reseting bus for read failed!", sensor->get_name().c_str());
sensor->publish_state(NAN);
this->status_set_warning();
return;
}
if (!sensor->check_scratch_pad()) {
ESP_LOGW(TAG, "'%s' - Scratch pad checksum invalid!", sensor->get_name().c_str());
sensor->publish_state(NAN);
this->status_set_warning();
return;
}
@ -244,11 +248,7 @@ bool DallasTemperatureSensor::check_scratch_pad() {
this->scratch_pad_[5], this->scratch_pad_[6], this->scratch_pad_[7], this->scratch_pad_[8],
crc8(this->scratch_pad_, 8));
#endif
if (crc8(this->scratch_pad_, 8) != this->scratch_pad_[8]) {
ESP_LOGE(TAG, "Reading scratchpad from Dallas Sensor failed");
return false;
}
return true;
return crc8(this->scratch_pad_, 8) == this->scratch_pad_[8];
}
float DallasTemperatureSensor::get_temp_c() {
int16_t temp = (int16_t(this->scratch_pad_[1]) << 11) | (int16_t(this->scratch_pad_[0]) << 3);