have fun

components/pca9536d/pca9536d.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/core/hal.h"
+#include "esphome/components/i2c/i2c.h"
+
+namespace esphome {
+namespace pca9536d {
+
+class PCA9536D: public Component, public i2c::I2CDevice {
+ public:
+  void setup() override;
+  float get_setup_priority() const { return setup_priority::IO; }
+  void dump_config() override;
+
+  bool digital_read(uint8_t pin);
+  void digital_write(uint8_t pin, bool value);
+  void set_pin_mode(uint8_t pin, uint8_t mode);
+
+ protected:
+  bool read_gpio_();
+  bool write_gpio_();
+  bool set_modes_();
+
+  // pin modes - 0 means output, 1 means input
+  uint8_t modes_{0xff};
+  uint8_t outputs_{0x00};
+  uint8_t inputs_{0x00};
+};
+
+class PCA9536DGPIOPin : public GPIOPin {
+ public:
+  void setup() override;
+  void pin_mode(gpio::Flags flags) override;
+  bool digital_read() override;
+  void digital_write(bool value) override;
+  std::string dump_summary() const override;
+
+  void set_parent(PCA9536D *parent) { parent_ = parent; }
+  void set_pin(uint8_t pin) { pin_ = pin; }
+  void set_inverted(bool inverted) { inverted_ = inverted; }
+  void set_flags(gpio::Flags flags) { flags_ = flags; }
+
+ protected:
+  PCA9536D *parent_;
+  uint8_t pin_;
+  bool inverted_;
+  gpio::Flags flags_;
+};
+
+}  // namespace pca9536d
+}  // namespace esphome