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Dependents: TestBenchSerenity-proto_F429ZI TestBenchFlow HSPFLOW1 TestBenchFlow1 ... more
Diff: keller_pressure.cpp
- Revision:
- 7:6bca43eedca6
- Parent:
- 6:deb4008b136e
- Child:
- 8:0d45e94faf0f
--- a/keller_pressure.cpp Wed Feb 28 15:28:03 2018 +0000
+++ b/keller_pressure.cpp Thu Apr 05 16:04:45 2018 +0000
@@ -127,6 +127,26 @@
}
//===========================================================================
+// Read pressure only. Return 1 if error, 0 if OK.
+// Byte 1: status, Bytes 2-3: pressure
+char KELLER_PRESSURE::readP()
+//===========================================================================
+{
+ char error = 0;
+ char data[3];
+
+ error |= _read_multibyte(KELLER_PRESSURE_REQUEST_MEASUREMENT, data, 3);
+ status = data[0];
+ pressure = (data[1] << 8) | data[2];
+
+ pressureBAR = ((pressure - 16384)*(pmax-pmin))/32768+pmin;
+ pressurePSI = pressureBAR*14.5038;
+ pressureKPA = pressureBAR*100;
+
+ return error;
+}
+
+//===========================================================================
char KELLER_PRESSURE::readUserInfo()
//===========================================================================
{