Dave Williams | DitroniX | G8PUO
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
#include "tca6408.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace tca6408 {
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static const char *const TAG = "tca6408";
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static const uint8_t TCA6408_INPUT_PORT = 0x00;
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static const uint8_t TCA6408_OUTPUT_PORT = 0x01;
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static const uint8_t TCA6408_POLARITY_PORT = 0x02;
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static const uint8_t TCA6408_CONFIG_PORT = 0x03;
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void TCA6408Component::setup() {
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ESP_LOGCONFIG(TAG, "Setting up TCA6408...");
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// Initialize all registers
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if (this->write_register(TCA6408_POLARITY_PORT, 0x00) != i2c::ERROR_OK ||
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this->write_register(TCA6408_CONFIG_PORT, this->mode_mask_) != i2c::ERROR_OK ||
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!this->read_gpio_outputs_()) {
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this->mark_failed();
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return;
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}
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if (this->interrupt_pin_ != nullptr) {
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this->interrupt_pin_->setup();
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this->interrupt_pin_->pin_mode(gpio::FLAG_INPUT | gpio::FLAG_PULLUP);
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this->interrupt_pin_->attach_interrupt(&TCA6408Component::gpio_intr, this, gpio::INTERRUPT_FALLING_EDGE);
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this->set_invalidate_on_read_(false);
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ESP_LOGCONFIG(TAG, " Interrupt mode enabled (active-low)");
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} else {
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this->enable_loop();
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ESP_LOGCONFIG(TAG, " Polling mode enabled");
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}
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}
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// ... (gpio_intr, loop, dump_config stay the same)
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bool TCA6408Component::read_gpio_outputs_() {
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if (this->is_failed()) return false;
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uint8_t data;
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if (this->read_register(TCA6408_OUTPUT_PORT, &data) != i2c::ERROR_OK) {
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this->status_set_warning();
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return false;
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}
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this->output_mask_ = data;
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this->status_clear_warning();
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return true;
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}
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// Rest of the file remains the same as you have it...
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