gpdevboard: updated ADC reference to 1.024 V

azonenberg · azonenberg · commit 354cdc752c6f · 2016-10-28T20:35:08.000-07:00
diff --git a/src/gpdevboard/protocol.cpp b/src/gpdevboard/protocol.cpp
@@ -492,6 +492,11 @@ bool ReadADC(hdevice hdev, double &value)
 		(frame.m_payload[2] <<  8) |
 		(frame.m_payload[3] <<  0);
 	value = (double)(((int32_t)intValue) >> 8) / 0x90000;
+
+	//Datasheet comes back as a fraction of full scale
+	//Multiply by the 1.024V reference
+	value *= 1.024;
+
 	return true;
 }
 
diff --git a/src/gpdevboard/utils.cpp b/src/gpdevboard/utils.cpp
@@ -470,7 +470,7 @@ bool SocketTest(hdevice hdev, SilegoPart part)
 	tuple<TPConfig, TPConfig, double> sequence[] =
 	{
 		make_tuple(TP_GND, TP_FLIMSY_PULLUP,   0.0),
-		make_tuple(TP_VDD, TP_FLIMSY_PULLDOWN, 1.0),
+		make_tuple(TP_VDD, TP_FLIMSY_PULLDOWN, 1.024),
 	};
 
 	for(auto config : sequence)

Original file line number	Diff line number	Diff line change
`@@ -470,7 +470,7 @@ bool SocketTest(hdevice hdev, SilegoPart part)`
`470`	`470`	`tuple<TPConfig, TPConfig, double> sequence[] =`
`471`	`471`	`{`
`472`	`472`	`make_tuple(TP_GND, TP_FLIMSY_PULLUP, 0.0),`
`473`		`- make_tuple(TP_VDD, TP_FLIMSY_PULLDOWN, 1.0),`
	`473`	`+ make_tuple(TP_VDD, TP_FLIMSY_PULLDOWN, 1.024),`
`474`	`474`	`};`
`475`	`475`
`476`	`476`	`for(auto config : sequence)`