ADS1115 example

electronicayciencia · Jul 17, 2024 · bb65ecb · bb65ecb
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diff --git a/examples/ADS1115/ADS_continuous.py → examples/ADS1115/ADS_read.py b/examples/ADS1115/ADS_continuous.py → examples/ADS1115/ADS_read.py
@@ -1,5 +1,5 @@
 """
-FILE    : ADS_continuous.py
+FILE    : ADS_read.py
 AUTHOR  : Chandra.Wijaya
 VERSION : 1.2.0
 PURPOSE : read analog input
@@ -29,12 +29,17 @@
 print(os.path.basename(__file__))
 print("ADS1X15_LIB_VERSION: {}".format(ADS1x15.__version__))
 
+# set gain to 4.096V max
 ADS.setGain(ADS.PGA_4_096V)
-ADS.setDataRate(ADS.DR_ADS111X_128)
-ADS.setMode(ADS.MODE_CONTINUOUS)
-ADS.requestADC(0)                          # First read to trigger
+f = ADS.toVoltage()
 
 while True :
-    raw = ADS.getValue()
-    print("{0:.3f} V".format(ADS.toVoltage(raw)))
+    val_0 = ADS.readADC(0)
+    val_1 = ADS.readADC(1)
+    val_2 = ADS.readADC(2)
+    val_3 = ADS.readADC(3)
+    print("Analog0: {0:d}\t{1:.3f} V".format(val_0, val_0 * f))
+    print("Analog1: {0:d}\t{1:.3f} V".format(val_1, val_1 * f))
+    print("Analog2: {0:d}\t{1:.3f} V".format(val_2, val_2 * f))
+    print("Analog3: {0:d}\t{1:.3f} V".format(val_3, val_3 * f))
     time.sleep(1)
diff --git a/examples/ADS1115/README.md b/examples/ADS1115/README.md
@@ -19,17 +19,11 @@ from EasyMCP2221 import SMBus
 Run the examples in [chandrawi/ADS1x15-ADC](https://github.com/chandrawi/ADS1x15-ADC) repository with no further modifications. 
 
 ```console
-$ python ADS_continuous.py
-ADS_continuous.py
+$ python ADS_read.py
+ADS_read.py
 ADS1X15_LIB_VERSION: 1.2.2
-0.000 V
-0.104 V
-1.954 V
-2.359 V
-3.285 V
-3.085 V
-2.922 V
-2.463 V
-2.085 V
-1.622 V
+Analog0: 12991  1.624 V
+Analog1: 4647   0.581 V
+Analog2: 4622   0.578 V
+Analog3: 4646   0.581 V
 ```