Madeline Kistler
/
SCI_SENSOR_final
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Revision 0:94c8543dd5e9, committed 2020-12-01
- Comitter:
- mkistler
- Date:
- Tue Dec 01 13:57:08 2020 +0000
- Commit message:
- SCI_SENSOR
Changed in this revision
| SCI_SENSOR.cpp | Show annotated file Show diff for this revision Revisions of this file |
| SCI_SENSOR.h | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SCI_SENSOR.cpp Tue Dec 01 13:57:08 2020 +0000
@@ -0,0 +1,33 @@
+#include "SCI_SENSOR.h"
+
+LM19::LM19(PinName in1): _in1(in1)
+{
+ c1 = -1481.96;
+ c2 = 2.1962*1000000.000;
+ c3 = 1.8636;
+ c4 = 3.88/1000000.000;
+}
+
+float LM19::temp()
+{
+ float volt=_in1.read()*3.3;
+ float T=c1+sqrt(c2 + (c3-volt)/c4);
+ return T;
+}
+
+PhotoCell::PhotoCell(PinName in1): _in1(in1)
+{
+ Rs = 10000.00;
+}
+
+float PhotoCell::light()
+{
+ float vlight=_in1.read()*3.3;
+ //convert voltage into resistance
+ //convert resistance into light
+ float A =-2;
+ float B = 3.8;
+ float R = (3.3*Rs/vlight - Rs)/1000.00;
+ float lux = pow(10, A*log10(R)+B);
+ return lux;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SCI_SENSOR.h Tue Dec 01 13:57:08 2020 +0000
@@ -0,0 +1,31 @@
+#ifndef sci_sensor_H
+#define sci_sensor_H
+
+#include "mbed.h"
+
+class LM19
+{
+
+public:
+ LM19(PinName in1); //initialization function
+ float c1, c2, c3, c4;
+ float temp();//temp comp.
+private:
+ AnalogIn _in1;
+
+};
+
+class PhotoCell
+{
+
+public:
+ PhotoCell(PinName in1);
+ float Rs;
+ float light();
+
+private:
+ AnalogIn _in1;
+
+};
+
+#endif
\ No newline at end of file