43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
#include "status_led.h"
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#include "esphome/core/log.h"
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#include "esphome/core/application.h"
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namespace esphome::status_led {
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static const char *const TAG = "status_led";
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static constexpr uint32_t ERROR_PERIOD_MS = 250;
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static constexpr uint32_t ERROR_ON_MS = 150;
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static constexpr uint32_t WARNING_PERIOD_MS = 1500;
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static constexpr uint32_t WARNING_ON_MS = 250;
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StatusLED *global_status_led = nullptr; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
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StatusLED::StatusLED(GPIOPin *pin) : pin_(pin) { global_status_led = this; }
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void StatusLED::pre_setup() {
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this->pin_->setup();
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this->pin_->digital_write(false);
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}
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void StatusLED::dump_config() {
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ESP_LOGCONFIG(TAG, "Status LED:");
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LOG_PIN(" Pin: ", this->pin_);
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}
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void StatusLED::loop() {
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const uint32_t app_state = App.get_app_state();
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// Use millis() rather than App.get_loop_component_start_time() because this loop is also
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// dispatched from Application::feed_wdt() during long blocking operations, where the cached
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// per-component timestamp doesn't advance and would freeze the blink pattern.
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const uint32_t now = millis();
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if ((app_state & STATUS_LED_ERROR) != 0u) {
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this->pin_->digital_write(now % ERROR_PERIOD_MS < ERROR_ON_MS);
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} else if ((app_state & STATUS_LED_WARNING) != 0u) {
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this->pin_->digital_write(now % WARNING_PERIOD_MS < WARNING_ON_MS);
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} else {
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this->pin_->digital_write(false);
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this->disable_loop();
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}
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}
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float StatusLED::get_setup_priority() const { return setup_priority::HARDWARE; }
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} // namespace esphome::status_led
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