Diff: AD7989.h

Revision:

0:64eaedfa13a2

Child:

1:582476614d9d

diff -r 000000000000 -r 64eaedfa13a2 AD7989.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AD7989.h	Mon Jan 21 16:55:48 2019 +0000
@@ -0,0 +1,34 @@
+#ifndef AD7989_H
+#define AD7989_H
+
+#include "mbed-os/mbed.h"
+
+class AD7989_Driver
+{
+public:
+  /** Constructor for AD7989_Drive object
+  *
+  *  @param SPI_BUS this is the SPI bus the AD7989 is one
+  *  @param Chip_Select this is the DigitalOut outline connected to CS pin
+  *  @param Convert this is the DigitalOut pin that is connected to the CONV pin
+  */
+  AD7989_Driver(SPI *SPI_BUS, DigitalOut *Chip_Select, DigitalOut *Convert);
+  /** Function returns the voltage on the AD7989 as a double
+  *  The value the function will return will be from -5.0V to 5.0V
+  */
+  double sample();
+  /** averages a number of samples the use specifies
+  *
+  *  @param num_avgs The number of samples to average 
+  */
+  double sample_avg(int num_avgs);
+
+  float volts;
+private:
+  static const float zero_point;
+  SPI *ADC_SPI;
+  DigitalOut *CS;
+  DigitalOut *ADC_CONV;
+};
+
+#endif
\ No newline at end of file