fork from github

examples/ADS_async_8_channel/ADS_async_8_channel.ino

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+//
+//    FILE: ADS_async_8_channel.ino
+//  AUTHOR: Rob Tillaart
+// PURPOSE: demo reading two ADS1115 modules in parallel
+//    DATE: 2021-07-05
+//     URL: https://github.com/RobTillaart/ADS1X15
+
+
+// Note all IO with the sensors are guarded by an isConnected()
+// this is max robust, in non critical application one may either
+// cache the value or only verify it in setup (least robust).
+// Less robust may cause the application to hang - watchdog reset ?
+
+
+#include "ADS1X15.h"
+
+
+ADS1115 ADS0(0x48);
+ADS1115 ADS1(0x49);
+//ADS1115 ADS2(0x4A);
+//ADS1115 ADS3(0x4B);
+
+int16_t val0[4] = { 0, 0, 0, 0 };
+int16_t val1[4] = { 0, 0, 0, 0 };
+//int16_t val2[4] = { 0, 0, 0, 0 };
+//int16_t val3[4] = { 0, 0, 0, 0 };
+int     idx = 0;
+
+uint32_t lastTime = 0;
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println(__FILE__);
+  Serial.print("ADS1X15_LIB_VERSION: ");
+  Serial.println(ADS1X15_LIB_VERSION);
+
+  ADS0.begin();
+  ADS1.begin();
+  //  ADS2.begin();
+  //  ADS3.begin();
+
+  Serial.println(ADS0.isConnected());
+  Serial.println(ADS1.isConnected());
+  //  Serial.println(ADS2.isConnected());
+  //  Serial.println(ADS3.isConnected());
+
+  ADS0.setDataRate(4);  // 7 is fastest, but more noise
+  ADS1.setDataRate(4);
+  //  ADS2.setDataRate(4);
+  //  ADS3.setDataRate(4);
+
+  idx = 0;
+  ADS_request_all();
+}
+
+
+void loop()
+{
+  // wait until all is read...
+  while (ADS_read_all());
+
+  // we have all 8 values
+  ADS_print_all();
+
+  delay(1000);      // wait a second.
+  ADS_request_all();
+}
+
+
+void ADS_request_all()
+{
+  if (ADS0.isConnected()) ADS0.requestADC(idx);
+  if (ADS1.isConnected()) ADS1.requestADC(idx);
+  //  if (ADS2.isConnected()) ADS2.requestADC(idx);
+  //  if (ADS3.isConnected()) ADS3.requestADC(idx);
+}
+
+
+bool ADS_read_all()
+{
+  if (ADS0.isConnected() && ADS0.isBusy()) return true;
+  if (ADS1.isConnected() && ADS1.isBusy()) return true;
+  //  if (ADS2.isConnected() && ADS2.isBusy()) return true;
+  //  if (ADS3.isConnected() && ADS3.isBusy()) return true;
+
+  if (ADS0.isConnected()) val0[idx] = ADS0.getValue();
+  if (ADS1.isConnected()) val1[idx] = ADS1.getValue();
+  //  if (ADS2.isConnected()) val2[idx] = ADS2.getValue();
+  //  if (ADS3.isConnected()) val3[idx] = ADS3.getValue();
+  idx++;
+  if (idx < 4)
+  {
+    ADS_request_all();
+    return true;
+  }
+  idx = 0;
+  return false;
+}
+
+
+void ADS_print_all()
+{
+  uint32_t now = millis();
+  Serial.println(now - lastTime);
+  lastTime = now;
+
+  // PRINT ALL VALUES OF ADC0
+  for (int i = 0; i < 4; i++)
+  {
+    Serial.print(val0[i]);
+    Serial.print("\t");
+  }
+  // PRINT ALL VALUES OF ADC1
+  for (int i = 0; i < 4; i++)
+  {
+    Serial.print(val1[i]);
+    Serial.print("\t");
+  }
+  Serial.println();
+  //  // PRINT ALL VALUES OF ADC2
+  //  for (int i = 0; i < 4; i++)
+  //  {
+  //    Serial.print(val2[i]);
+  //    Serial.print("\t");
+  //  }
+  //  // PRINT ALL VALUES OF ADC3
+  //  for (int i = 0; i < 4; i++)
+  //  {
+  //    Serial.print(val3[i]);
+  //    Serial.print("\t");
+  //  }
+  //  Serial.println();
+}
+
+// -- END OF FILE --