mirror of
https://github.com/randybb/esphome-configs.git
synced 2026-01-02 19:47:29 +01:00
109 lines
2.3 KiB
C++
109 lines
2.3 KiB
C++
#include "pca9536d.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace pca9536d {
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static const char *TAG = "pca9536d";
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void PCA9536D::setup() {
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ESP_LOGCONFIG(TAG, "Setting up PCA9536D...");
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if (!this->read_gpio_()) {
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ESP_LOGE(TAG, "PCA9536D 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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}
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void PCA9536D::dump_config() {
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ESP_LOGCONFIG(TAG, "PCA9536D:");
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LOG_I2C_DEVICE(this)
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if (this->is_failed())
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ESP_LOGE(TAG, "Communication with PCA9536D failed!");
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}
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bool PCA9536D::digital_read(uint8_t pin) {
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this->read_gpio_();
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return this->inputs_ & (1 << pin);
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}
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void PCA9536D::digital_write(uint8_t pin, bool value) {
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if (value)
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this->outputs_ |= (1 << pin);
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else
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this->outputs_ &= ~(1 << pin);
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this->write_gpio_();
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}
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void PCA9536D::set_pin_mode(uint8_t pin, uint8_t mode) {
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switch (mode) {
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case gpio::FLAG_INPUT:
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this->modes_ |= 1 << pin;
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break;
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case gpio::FLAG_OUTPUT:
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this->modes_ &= ~(1 << pin);
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break;
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}
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this->set_modes_();
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}
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bool PCA9536D::read_gpio_() {
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if (this->is_failed())
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return false;
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uint8_t data;
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if (!this->read_bytes(0, &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->inputs_ = data;
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this->status_clear_warning();
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return true;
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}
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bool PCA9536D::write_gpio_() {
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if (this->is_failed())
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return false;
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uint8_t data = this->outputs_;
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if (!this->write_bytes(1, &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->status_clear_warning();
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return true;
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}
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bool PCA9536D::set_modes_() {
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if (this->is_failed())
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return false;
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uint8_t data = this->modes_;
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if (!this->write_bytes(3, &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->status_clear_warning();
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return true;
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}
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void PCA9536DGPIOPin::setup() { this->pin_mode(this->flags_); }
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bool PCA9536DGPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
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void PCA9536DGPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
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void PCA9536DGPIOPin::pin_mode(gpio::Flags flags) { this->parent_->set_pin_mode(this->pin_, flags); }
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std::string PCA9536DGPIOPin::dump_summary() const {
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return str_sprintf("%u via PCA9536D", pin_);
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}
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} // namespace pca9536d
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} // namespace esphome
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