You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.0 KiB
86 lines
2.0 KiB
#ifdef UART_MQTT_SUPPORT
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// GLOBALS TO THE MODULE
|
|
// -----------------------------------------------------------------------------
|
|
const byte numChars = 100;
|
|
char receivedChars[numChars]; // an array to store the received data
|
|
boolean newData = false;
|
|
|
|
void _recvWithEndMarker() {
|
|
static byte ndx = 0;
|
|
char endMarker = '\n';
|
|
char rc;
|
|
|
|
while (Serial.available() > 0 && newData == false) {
|
|
rc = Serial.read();
|
|
|
|
if (rc != endMarker) {
|
|
receivedChars[ndx] = rc;
|
|
ndx++;
|
|
if (ndx >= numChars) {
|
|
ndx = numChars - 1;
|
|
}
|
|
}
|
|
else {
|
|
receivedChars[ndx] = '\0'; // terminate the string
|
|
ndx = 0;
|
|
newData = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void _uartSendUART_MQTT() {
|
|
if (newData == true && MQTT_SUPPORT) {
|
|
DEBUG_MSG_P(PSTR("[UART_MQTT] Send data over MQTT: %s\n"), receivedChars);
|
|
mqttSend(MQTT_TOPIC_UARTIN, receivedChars); // publish: UART -> mqtt bus
|
|
newData = false;
|
|
}
|
|
}
|
|
|
|
void _uartSendMQTT_UART(const char * message) {
|
|
DEBUG_MSG_P(PSTR("[UART_MQTT] Send data over UART: %s\n"), message);
|
|
Serial.print(message);
|
|
Serial.println();
|
|
}
|
|
|
|
#if MQTT_SUPPORT
|
|
void _UART_MQTTMqttCallback(unsigned int type, const char * topic, const char * payload) {
|
|
if (type == MQTT_CONNECT_EVENT) {
|
|
mqttSubscribe(MQTT_TOPIC_UARTOUT);
|
|
}
|
|
|
|
if (type == MQTT_MESSAGE_EVENT) {
|
|
|
|
// Match topic
|
|
String t = mqttTopicKey((char *) topic);
|
|
bool isUARTOut = t.equals(MQTT_TOPIC_UARTOUT);
|
|
|
|
if (isUARTOut) {
|
|
_uartSendMQTT_UART(payload);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// SETUP & LOOP
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void uart_mqttSetup() {
|
|
|
|
#if MQTT_SUPPORT
|
|
mqttRegister(_UART_MQTTMqttCallback);
|
|
#endif
|
|
|
|
// Register oop
|
|
espurnaRegisterLoop(UART_MQTTLoop);
|
|
|
|
}
|
|
|
|
void UART_MQTTLoop() {
|
|
_recvWithEndMarker();
|
|
_uartSendUART_MQTT();
|
|
}
|
|
|
|
#endif
|