48 lines
1.2 KiB
Arduino
48 lines
1.2 KiB
Arduino
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int DE_Pin = 4;
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int RE_Pin = 5;
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int IRQ_Pin = 1;
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char receivedMessage[64];
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int receivedMessageIndex = 0;
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void send_data(const String data, const String answer) {
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data.replace("\r", "");
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data.replace("\n", "");
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Serial.println(data + answer);
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}
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void handleIRQ() {
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detachInterrupt(digitalPinToInterrupt(irqPin));
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send_data("#7V","message")
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attachInterrupt(digitalPinToInterrupt(irqPin), handleIRQ, RISING);
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}
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void get_message() {
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while (Serial.available()) {
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char receivedChar = Serial.read();
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if (receivedChar == '\n') {
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receivedMessage[receivedMessageIndex] = '\0'; // Null-terminate the string
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receivedMessageIndex = 0;
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if (strstr(receivedMessage, "#7V") != NULL) {
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send_data(receivedMessage, " ARDU_RS485_07-09-2023");
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} else {
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send_data(receivedMessage, "?");
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}
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} else {
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receivedMessage[receivedMessageIndex++] = receivedChar;
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}
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}
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}
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void setup() {
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pinMode(DE_Pin, OUTPUT);
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pinMode(RE_Pin, OUTPUT);
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digitalWrite(DE_Pin, 0);
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digitalWrite(RE_Pin, 1);
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Serial.println("Begin");
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attachInterrupt(digitalPinToInterrupt(irqPin), handleIRQ, RISING);
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}
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void loop() {
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get_message();
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}
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