mirror of
https://github.com/esphome/esphome.git
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ac0d921413
* Socket refactor and SSL * esp-idf temp * Fixes * Echo component and noise * Add noise API transport support * Updates * ESP-IDF * Complete * Fixes * Fixes * Versions update * New i2c APIs * Complete i2c refactor * SPI migration * Revert ESP Preferences migration, too complex for now * OTA support * Remove echo again * Remove ssl again * GPIOFlags updates * Rename esphal and ICACHE_RAM_ATTR * Make ESP32 arduino compilable again * Fix GPIO flags * Complete pin registry refactor and fixes * Fixes to make test1 compile * Remove sdkconfig file * Ignore sdkconfig file * Fixes in reviewing * Make test2 compile * Make test4 compile * Make test5 compile * Run clang-format * Fix lint errors * Use esp-idf APIs instead of btStart * Another round of fixes * Start implementing ESP8266 * Make test3 compile * Guard esp8266 code * Lint * Reformat * Fixes * Fixes v2 * more fixes * ESP-IDF tidy target * Convert ARDUINO_ARCH_ESPxx * Update WiFiSignalSensor * Update time ifdefs * OTA needs millis from hal * RestartSwitch needs delay from hal * ESP-IDF Uart * Fix OTA blank password * Allow setting sdkconfig * Fix idf partitions and allow setting sdkconfig from yaml * Re-add read/write compat APIs and fix esp8266 uart * Fix esp8266 store log strings in flash * Fix ESP32 arduino preferences not initialized * Update ifdefs * Change how sdkconfig change is detected * Add checks to ci-custom and fix them * Run clang-format * Add esp-idf clang-tidy target and fix errors * Fixes from clang-tidy idf round 2 * Fixes from compiling tests with esp-idf * Run clang-format * Switch test5.yaml to esp-idf * Implement ESP8266 Preferences * Lint * Re-do PIO package version selection a bit * Fix arduinoespressif32 package version * Fix unit tests * Lint * Lint fixes * Fix readv/writev not defined * Fix graphing component * Re-add all old options from core/config.py Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/core/hal.h"
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#include "esphome/components/i2c/i2c.h"
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namespace esphome {
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namespace pcf8574 {
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class PCF8574Component : public Component, public i2c::I2CDevice {
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public:
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PCF8574Component() = default;
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void set_pcf8575(bool pcf8575) { pcf8575_ = pcf8575; }
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/// Check i2c availability and setup masks
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void setup() override;
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/// Helper function to read the value of a pin.
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bool digital_read(uint8_t pin);
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/// Helper function to write the value of a pin.
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void digital_write(uint8_t pin, bool value);
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/// Helper function to set the pin mode of a pin.
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void pin_mode(uint8_t pin, gpio::Flags flags);
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float get_setup_priority() const override;
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void dump_config() override;
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protected:
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bool read_gpio_();
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bool write_gpio_();
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/// Mask for the pin mode - 1 means output, 0 means input
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uint16_t mode_mask_{0x00};
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/// The mask to write as output state - 1 means HIGH, 0 means LOW
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uint16_t output_mask_{0x00};
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/// The state read in read_gpio_ - 1 means HIGH, 0 means LOW
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uint16_t input_mask_{0x00};
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bool pcf8575_; ///< TRUE->16-channel PCF8575, FALSE->8-channel PCF8574
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};
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/// Helper class to expose a PCF8574 pin as an internal input GPIO pin.
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class PCF8574GPIOPin : public GPIOPin {
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public:
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void setup() override;
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void pin_mode(gpio::Flags flags) override;
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bool digital_read() override;
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void digital_write(bool value) override;
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std::string dump_summary() const override;
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void set_parent(PCF8574Component *parent) { parent_ = parent; }
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void set_pin(uint8_t pin) { pin_ = pin; }
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void set_inverted(bool inverted) { inverted_ = inverted; }
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void set_flags(gpio::Flags flags) { flags_ = flags; }
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protected:
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PCF8574Component *parent_;
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uint8_t pin_;
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bool inverted_;
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gpio::Flags flags_;
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};
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} // namespace pcf8574
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} // namespace esphome
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