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esphome-dev/esphome/components/hx711/hx711.h
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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

37 lines
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C++

#pragma once
#include "esphome/core/component.h"
#include "esphome/core/esphal.h"
#include "esphome/components/sensor/sensor.h"
namespace esphome {
namespace hx711 {
enum HX711Gain {
HX711_GAIN_128 = 1,
HX711_GAIN_32 = 2,
HX711_GAIN_64 = 3,
};
class HX711Sensor : public sensor::PollingSensorComponent {
public:
HX711Sensor(const std::string &name, GPIOPin *dout, GPIOPin *sck, uint32_t update_interval);
void setup() override;
void dump_config() override;
float get_setup_priority() const override;
void update() override;
void set_gain(HX711Gain gain);
protected:
bool read_sensor_(uint32_t *result);
GPIOPin *dout_pin_;
GPIOPin *sck_pin_;
HX711Gain gain_{HX711_GAIN_128};
};
} // namespace hx711
} // namespace esphome