uart_component.cpp

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#include "uart_component.h"
 
namespace esphome {
namespace uart {
 
static const char *const TAG = "uart";
 
bool UARTComponent::check_read_timeout_(size_t len) {
  if (this->available() >= int(len))
    return true;
 
  uint32_t start_time = millis();
  while (this->available() < int(len)) {
    if (millis() - start_time > 100) {
      ESP_LOGE(TAG, "Reading from UART timed out at byte %u!", this->available());
      return false;
    }
    yield();
  }
  return true;
}
 
}  // namespace uart
}  // namespace esphome