esphome/esphome/components/htu21d/htu21d.cpp
Otto Winter 6682c43dfa
🏗 Merge C++ into python codebase (#504)
## Description:

Move esphome-core codebase into esphome (and a bunch of other refactors). See https://github.com/esphome/feature-requests/issues/97

Yes this is a shit ton of work and no there's no way to automate it :( But it will be worth it 👍

Progress:
- Core support (file copy etc): 80%
- Base Abstractions (light, switch): ~50%
- Integrations: ~10%
- Working? Yes, (but only with ported components).

Other refactors:
- Moves all codegen related stuff into a single class: `esphome.codegen` (imported as `cg`)
- Rework coroutine syntax
- Move from `component/platform.py` to `domain/component.py` structure as with HA
- Move all defaults out of C++ and into config validation.
- Remove `make_...` helpers from Application class. Reason: Merge conflicts with every single new integration.
- Pointer Variables are stored globally instead of locally in setup(). Reason: stack size limit.

Future work:
- Rework const.py - Move all `CONF_...` into a conf class (usage `conf.UPDATE_INTERVAL` vs `CONF_UPDATE_INTERVAL`). Reason: Less convoluted import block
- Enable loading from `custom_components` folder.

**Related issue (if applicable):** https://github.com/esphome/feature-requests/issues/97

**Pull request in [esphome-docs](https://github.com/esphome/esphome-docs) with documentation (if applicable):** esphome/esphome-docs#<esphome-docs PR number goes here>

## Checklist:
  - [ ] The code change is tested and works locally.
  - [ ] Tests have been added to verify that the new code works (under `tests/` folder).

If user exposed functionality or configuration variables are added/changed:
  - [ ] Documentation added/updated in [esphomedocs](https://github.com/OttoWinter/esphomedocs).
2019-04-17 12:06:00 +02:00

63 lines
1.8 KiB
C++

#include "htu21d.h"
#include "esphome/core/log.h"
namespace esphome {
namespace htu21d {
static const char *TAG = "htu21d";
static const uint8_t HTU21D_ADDRESS = 0x40;
static const uint8_t HTU21D_REGISTER_RESET = 0xFE;
static const uint8_t HTU21D_REGISTER_TEMPERATURE = 0xE3;
static const uint8_t HTU21D_REGISTER_HUMIDITY = 0xE5;
static const uint8_t HTU21D_REGISTER_STATUS = 0xE7;
void HTU21DComponent::setup() {
ESP_LOGCONFIG(TAG, "Setting up HTU21D...");
if (!this->write_bytes(HTU21D_REGISTER_RESET, nullptr, 0)) {
this->mark_failed();
return;
}
// Wait for software reset to complete
delay(15);
}
void HTU21DComponent::dump_config() {
ESP_LOGCONFIG(TAG, "HTU21D:");
LOG_I2C_DEVICE(this);
if (this->is_failed()) {
ESP_LOGE(TAG, "Communication with HTU21D failed!");
}
LOG_UPDATE_INTERVAL(this);
LOG_SENSOR(" ", "Temperature", this->temperature_);
LOG_SENSOR(" ", "Humidity", this->humidity_);
}
void HTU21DComponent::update() {
uint16_t raw_temperature;
if (!this->read_byte_16(HTU21D_REGISTER_TEMPERATURE, &raw_temperature, 50)) {
this->status_set_warning();
return;
}
float temperature = (float(raw_temperature & 0xFFFC)) * 175.72f / 65536.0f - 46.85f;
uint16_t raw_humidity;
if (!this->read_byte_16(HTU21D_REGISTER_HUMIDITY, &raw_humidity, 50)) {
this->status_set_warning();
return;
}
float humidity = (float(raw_humidity & 0xFFFC)) * 125.0f / 65536.0f - 6.0f;
ESP_LOGD(TAG, "Got Temperature=%.1f°C Humidity=%.1f%%", temperature, humidity);
if (this->temperature_ != nullptr)
this->temperature_->publish_state(temperature);
if (this->humidity_ != nullptr)
this->humidity_->publish_state(humidity);
this->status_clear_warning();
}
float HTU21DComponent::get_setup_priority() const { return setup_priority::DATA; }
} // namespace htu21d
} // namespace esphome