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標題: Arduino問題關于firmata串口發送數據 [打印本頁]

作者: ansot 時間: 2023-12-22 15:13
標題: Arduino問題關于firmata串口發送數據
使用StandardFirmata實例可以將PC的數據反映到開發板上的引腳上亮燈，但是我想把開發板上的這個結果通過串口發送到另外的開發板上。比如PC發送的數值為2和4，在接到的開發板通過串口將2和4發送出去。一個設計，卡在這了，哪為大能可以給解決一下，代碼改了很多回，不是串口不輸出數據，就是輸出的數據不對。

   123                            Hc12
PC————StandardFirmata——-----nano1
                                                nano2
                                                nano3

void loop()
{
byte pin, analogPin;
/* DIGITALREAD - as fast as possible, check for changes and output them to the
* FTDI buffer using Serial.print() */
checkDigitalInputs();
/* STREAMREAD - processing incoming messagse as soon as possible, while still
* checking digital inputs. */
while (Firmata.available())
Firmata.processInput();
// TODO - ensure that Stream buffer doesn't go over 60 bytes
currentMillis = millis();
if (currentMillis - previousMillis > samplingInterval) {
previousMillis += samplingInterval;
/* ANALOGREAD - do all analogReads() at the configured sampling interval */
for (pin = 0; pin < TOTAL_PINS; pin++) {
if (IS_PIN_ANALOG(pin) && Firmata.getPinMode(pin) == PIN_MODE_ANALOG) {
analogPin = PIN_TO_ANALOG(pin);
if (analogInputsToReport & (1 << analogPin)) {
Firmata.sendAnalog(analogPin, analogRead(analogPin));
}
}
}
// report i2c data for all device with read continuous mode enabled
if (queryIndex > -1) {
for (byte i = 0; i < queryIndex + 1; i++) {
readAndReportData(query[i].addr, query[i].reg, query[i].bytes, query[i].stopTX);
}
}
}
#ifdef FIRMATA_SERIAL_FEATURE
serialFeature.update();
#endif
}

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