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- void detectSensors() {
- for (int mux = 0; mux < MUX_COUNT; mux++) {
- mcpMuxChip.digitalWrite(MUX_PINS[mux], LOW);
- int numSensors = 0;
- for (int channel = 0; channel < MAX_SENSOR_PER_MUX; channel++) {
- digitalWrite(S0, channel & 0x01);
- digitalWrite(S1, channel & 0x02);
- digitalWrite(S2, channel & 0x04);
- digitalWrite(S3, channel & 0x08);
- digitalWrite(MUX_A, channel & 0x10);
- digitalWrite(MUX_B, channel & 0x20);
- int sensorValue = analogRead(ANALOG_PIN);
- if (sensorValue > 0) {
- numSensors++;
- }
- }
- numSensorsMux[mux] = numSensors;
- // view how many sensor detected by MUX
- //Serial.print("sensor detected MUX: "); Serial.print(mux);
- //Serial.print("\tnumber of sensor: "); Serial.println(numSensorsMux[mux]);
- mcpMuxChip.digitalWrite(MUX_PINS[mux], HIGH);
- // Allocate memory for the sensor values for each mux
- for (int i = 0; i < numSensorsMux[mux]; i++) {
- sensorValuesMux[mux][i] = 0;
- }
- }
- }
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