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6682c43dfa
## 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).
113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
#include "pcf8574.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace pcf8574 {
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static const char *TAG = "pcf8574";
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void PCF8574Component::setup() {
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ESP_LOGCONFIG(TAG, "Setting up PCF8574...");
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if (!this->read_gpio_()) {
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ESP_LOGE(TAG, "PCF8574 not available under 0x%02X", this->address_);
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this->mark_failed();
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return;
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}
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this->write_gpio_();
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this->read_gpio_();
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}
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void PCF8574Component::dump_config() {
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ESP_LOGCONFIG(TAG, "PCF8574:");
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LOG_I2C_DEVICE(this)
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ESP_LOGCONFIG(TAG, " Is PCF8575: %s", YESNO(this->pcf8575_));
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if (this->is_failed()) {
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ESP_LOGE(TAG, "Communication with PCF8574 failed!");
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}
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}
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bool PCF8574Component::digital_read(uint8_t pin) {
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this->read_gpio_();
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return this->input_mask_ & (1 << pin);
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}
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void PCF8574Component::digital_write(uint8_t pin, bool value) {
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if (value) {
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this->port_mask_ |= (1 << pin);
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} else {
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this->port_mask_ &= ~(1 << pin);
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}
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this->write_gpio_();
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}
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void PCF8574Component::pin_mode(uint8_t pin, uint8_t mode) {
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switch (mode) {
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case PCF8574_INPUT:
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this->ddr_mask_ &= ~(1 << pin);
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this->port_mask_ &= ~(1 << pin);
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break;
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case PCF8574_INPUT_PULLUP:
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this->ddr_mask_ &= ~(1 << pin);
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this->port_mask_ |= (1 << pin);
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break;
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case PCF8574_OUTPUT:
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this->ddr_mask_ |= (1 << pin);
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this->port_mask_ &= ~(1 << pin);
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break;
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default:
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break;
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}
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this->write_gpio_();
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}
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bool PCF8574Component::read_gpio_() {
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if (this->is_failed())
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return false;
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if (this->pcf8575_) {
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if (!this->parent_->raw_receive_16(this->address_, &this->input_mask_, 1)) {
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this->status_set_warning();
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return false;
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}
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} else {
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uint8_t data;
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if (!this->parent_->raw_receive(this->address_, &data, 1)) {
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this->status_set_warning();
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return false;
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}
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this->input_mask_ = data;
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}
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this->status_clear_warning();
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return true;
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}
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bool PCF8574Component::write_gpio_() {
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if (this->is_failed())
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return false;
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uint16_t value = (this->input_mask_ & ~this->ddr_mask_) | this->port_mask_;
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this->parent_->raw_begin_transmission(this->address_);
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uint8_t data = value & 0xFF;
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this->parent_->raw_write(this->address_, &data, 1);
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if (this->pcf8575_) {
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data = (value >> 8) & 0xFF;
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this->parent_->raw_write(this->address_, &data, 1);
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}
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if (!this->parent_->raw_end_transmission(this->address_)) {
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this->status_set_warning();
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return false;
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}
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this->status_clear_warning();
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return true;
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}
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float PCF8574Component::get_setup_priority() const { return setup_priority::IO; }
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void PCF8574GPIOPin::setup() { this->pin_mode(this->mode_); }
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bool PCF8574GPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
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void PCF8574GPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
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void PCF8574GPIOPin::pin_mode(uint8_t mode) { this->parent_->pin_mode(this->pin_, mode); }
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PCF8574GPIOPin::PCF8574GPIOPin(PCF8574Component *parent, uint8_t pin, uint8_t mode, bool inverted)
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: GPIOPin(pin, mode, inverted), parent_(parent) {}
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} // namespace pcf8574
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} // namespace esphome
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