have fun

components/pca9536d/pca9536d.cpp

@@ -0,0 +1,108 @@
+#include "pca9536d.h"
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace pca9536d {
+
+static const char *TAG = "pca9536d";
+
+void PCA9536D::setup() {
+  ESP_LOGCONFIG(TAG, "Setting up PCA9536D...");
+  if (!this->read_gpio_()) {
+    ESP_LOGE(TAG, "PCA9536D not available under 0x%02X", this->address_);
+    this->mark_failed();
+    return;
+  }
+
+  this->write_gpio_();
+}
+
+void PCA9536D::dump_config() {
+  ESP_LOGCONFIG(TAG, "PCA9536D:");
+  LOG_I2C_DEVICE(this)
+  if (this->is_failed())
+    ESP_LOGE(TAG, "Communication with PCA9536D failed!");
+}
+
+bool PCA9536D::digital_read(uint8_t pin) {
+  this->read_gpio_();
+  return this->inputs_ & (1 << pin);
+}
+
+void PCA9536D::digital_write(uint8_t pin, bool value) {
+  if (value)
+    this->outputs_ |= (1 << pin);
+  else
+    this->outputs_ &= ~(1 << pin);
+  this->write_gpio_();
+}
+
+void PCA9536D::set_pin_mode(uint8_t pin, uint8_t mode) {
+  switch (mode) {
+    case gpio::FLAG_INPUT:
+      this->modes_ |= 1 << pin;
+      break;
+    case gpio::FLAG_OUTPUT:
+      this->modes_ &= ~(1 << pin);
+      break;
+  }
+  this->set_modes_();
+}
+
+bool PCA9536D::read_gpio_() {
+  if (this->is_failed())
+    return false;
+
+  uint8_t data;
+  if (!this->read_bytes(0, &data, 1)) {
+    this->status_set_warning();
+    return false;
+  }
+
+  this->inputs_ = data;
+  this->status_clear_warning();
+  return true;
+}
+
+bool PCA9536D::write_gpio_() {
+  if (this->is_failed())
+    return false;
+
+  uint8_t data = this->outputs_;
+  if (!this->write_bytes(1, &data, 1)) {
+    this->status_set_warning();
+    return false;
+  }
+
+  this->status_clear_warning();
+  return true;
+}
+
+bool PCA9536D::set_modes_() {
+  if (this->is_failed())
+    return false;
+
+  uint8_t data = this->modes_;
+  if (!this->write_bytes(3, &data, 1)) {
+    this->status_set_warning();
+    return false;
+  }
+
+  this->status_clear_warning();
+  return true;
+}
+
+void PCA9536DGPIOPin::setup() { this->pin_mode(this->flags_); }
+
+bool PCA9536DGPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
+
+void PCA9536DGPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
+
+void PCA9536DGPIOPin::pin_mode(gpio::Flags flags) { this->parent_->set_pin_mode(this->pin_, flags); }
+
+std::string PCA9536DGPIOPin::dump_summary() const {
+  return str_sprintf("%u via PCA9536D", pin_);
+}
+
+}  // namespace pca9536d
+}  // namespace esphome