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examples/ADS_performance/ADS_performance.ino

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+//
+//    FILE: ADS_performance.ino
+//  AUTHOR: Rob.Tillaart
+// VERSION: 0.1.1
+// PURPOSE: read analog input
+//
+
+// test
+// connect 1 potmeter
+//
+// GND ---[   x   ]------ 5V
+//            |
+//
+// measure at x (connect to AIN0).
+
+
+#include "ADS1X15.h"
+
+// choose you sensor
+// ADS1013 ADS(0x48);
+// ADS1014 ADS(0x48);
+// ADS1015 ADS(0x48);
+// ADS1113 ADS(0x48);
+// ADS1114 ADS(0x48);
+ADS1115 ADS(0x48);
+
+uint32_t start, d1, d2;
+int x;
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println(__FILE__);
+  Serial.print("ADS1X15_LIB_VERSION: ");
+  Serial.println(ADS1X15_LIB_VERSION);
+
+  ADS.begin();
+  ADS.setGain(0);  // 6.144 volt
+
+  for (int dr = 0; dr < 8; dr++)
+  {
+    ADS.setDataRate(dr);
+    Serial.print("DR:\t");
+    Serial.println(dr);
+
+    test_single_shot();
+    test_continuous();
+
+    Serial.print("\t\tFACTOR:\t");
+    Serial.println(1.0 * d1 / d2);
+  }
+
+  Serial.println("\nDone...");
+}
+
+void loop()
+{
+}
+
+void test_single_shot()
+{
+  Serial.print(__FUNCTION__);
+
+  ADS.setMode(1);
+  start = micros();
+  x = ADS.readADC(0);
+  for (int i = 0; i < 100; i++)
+  {
+    x = ADS.readADC(0);
+  }
+  d1 = micros() - start;
+  Serial.print("\t");
+  Serial.println(d1);
+}
+
+void test_continuous()
+{
+  Serial.print(__FUNCTION__);
+
+  ADS.setMode(0);
+  start = micros();
+  x = ADS.readADC(0);
+  for (int i = 0; i < 100; i++)
+  {
+    x = ADS.getValue();
+  }
+  d2 = micros() - start;
+  Serial.print("\t\t");
+  Serial.println(d2);
+}
+
+// -- END OF FILE --