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Fix: do no wait for a serial connection on startup. #29

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Merged
merged 2 commits into from
Oct 28, 2024
Merged

Fix: do no wait for a serial connection on startup. #29

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4a7324c
Wait for one second for Serial to open, otherwise proceed with startup.
aentinger Oct 28, 2024
6713ec6
Periodically print ip and port of OPC UA enabled Opta device.
aentinger Oct 28, 2024
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14 changes: 11 additions & 3 deletions examples/opta_opcua_server/opta_opcua_server.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -105,9 +105,8 @@ static PinStatus arduino_opta_digital_read(pin_size_t const pin)
void setup()
{
Serial.begin(115200);
//auto const start = millis();
//for (; !Serial && (millis() - start) < 1000; ) { }
while (!Serial) { }
auto const start = millis();
for (; !Serial && (millis() - start) < 1000; ) { }

#if USE_MODBUS_SENSOR_MD02
RS485.setDelays(MODBUS_PRE_DELAY_BR, MODBUS_POST_DELAY_BR);
Expand Down Expand Up @@ -515,6 +514,15 @@ void loop()
digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
delay(500);

/* Periodically print OPC UA server IP and port. */
static auto prev_ip_print = millis();
auto const now = millis();
if ((now - prev_ip_print) > 5000)
{
UA_LOG_INFO(UA_Log_Stdout, UA_LOGCATEGORY_SERVER, "Arduino Opta IP: %s", Ethernet.localIP().toString().c_str());
prev_ip_print = now;
}

#if USE_MODBUS_SENSOR_MD02
if (!ModbusRTUClient.requestFrom(MODBUS_DEVICE_ID, INPUT_REGISTERS, MODBUS_DEVICE_TEMPERATURE_REGISTER, 1)) {
Serial.print("failed to read temperature register! ");
Expand Down
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