vin.cpp

#include "vin.h"

bool discoverVIN(COBD& obd, char* vinOut, size_t vinOutSize) {
  LOGI("Discovering VIN...");

  if (obd.getVIN(vinOut, vinOutSize)) {
    if (strlen(vinOut) > 5) {
      LOGI("✅ VIN Found: %s", vinOut);
      return true;
    }
  }

  LOGW("VIN failed. Forcing protocol settle...");
  obd.uninit();
  delay(2000);

  if (obd.init()) {
    LOGI("Link re-established. Polling VIN again...");
    delay(1000);

    int dummy;
    obd.readPID(PID_RPM, dummy);
    delay(500);

    if (obd.getVIN(vinOut, vinOutSize)) {
      LOGI("✅ VIN Found: %s", vinOut);
      return true;
    }
  }

  LOGW("⚠️ VIN unreachable. Falling back to VIN_SET.");
  strncpy(vinOut, VIN_SET, vinOutSize);
  vinOut[vinOutSize - 1] = '\0';
  return false;
}