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https://github.com/esphome/esphome.git
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aec02afcdc
* Fix clang-tidy header filter * Allow private members * Fix clang-tidy detections * Run clang-format * Fix remaining detections * Fix graph * Run clang-format
99 lines
2.3 KiB
C++
99 lines
2.3 KiB
C++
#pragma once
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#include <cstdint>
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#include <string>
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namespace esphome {
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#define LOG_PIN(prefix, pin) \
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if ((pin) != nullptr) { \
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ESP_LOGCONFIG(TAG, prefix "%s", (pin)->dump_summary().c_str()); \
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}
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// put GPIO flags in a namepsace to not pollute esphome namespace
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namespace gpio {
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enum Flags : uint8_t {
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// Can't name these just INPUT because of Arduino defines :(
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FLAG_NONE = 0x00,
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FLAG_INPUT = 0x01,
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FLAG_OUTPUT = 0x02,
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FLAG_OPEN_DRAIN = 0x04,
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FLAG_PULLUP = 0x08,
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FLAG_PULLDOWN = 0x10,
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};
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class FlagsHelper {
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public:
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constexpr FlagsHelper(Flags val) : val_(val) {}
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constexpr operator Flags() const { return val_; }
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protected:
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Flags val_;
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};
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constexpr FlagsHelper operator&(Flags lhs, Flags rhs) {
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return static_cast<Flags>(static_cast<uint8_t>(lhs) & static_cast<uint8_t>(rhs));
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}
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constexpr FlagsHelper operator|(Flags lhs, Flags rhs) {
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return static_cast<Flags>(static_cast<uint8_t>(lhs) | static_cast<uint8_t>(rhs));
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}
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enum InterruptType : uint8_t {
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INTERRUPT_RISING_EDGE = 1,
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INTERRUPT_FALLING_EDGE = 2,
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INTERRUPT_ANY_EDGE = 3,
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INTERRUPT_LOW_LEVEL = 4,
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INTERRUPT_HIGH_LEVEL = 5,
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};
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} // namespace gpio
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class GPIOPin {
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public:
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virtual void setup() = 0;
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virtual void pin_mode(gpio::Flags flags) = 0;
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virtual bool digital_read() = 0;
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virtual void digital_write(bool value) = 0;
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virtual std::string dump_summary() const = 0;
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virtual bool is_internal() { return false; }
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};
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/// Copy of GPIOPin that is safe to use from ISRs (with no virtual functions)
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class ISRInternalGPIOPin {
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public:
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ISRInternalGPIOPin() = default;
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ISRInternalGPIOPin(void *arg) : arg_(arg) {}
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bool digital_read();
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void digital_write(bool value);
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void clear_interrupt();
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protected:
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void *arg_ = nullptr;
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};
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class InternalGPIOPin : public GPIOPin {
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public:
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template<typename T> void attach_interrupt(void (*func)(T *), T *arg, gpio::InterruptType type) const {
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this->attach_interrupt(reinterpret_cast<void (*)(void *)>(func), arg, type);
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}
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virtual void detach_interrupt() const = 0;
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virtual ISRInternalGPIOPin to_isr() const = 0;
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virtual uint8_t get_pin() const = 0;
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bool is_internal() override { return true; }
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virtual bool is_inverted() const = 0;
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protected:
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virtual void attach_interrupt(void (*func)(void *), void *arg, gpio::InterruptType type) const = 0;
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};
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} // namespace esphome
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