Bruno Alfano
A library to use Honeywell pressure sensors from HSC series with SPI connection. For calibration scale and pressure range you have to set the declarations inside the hsc_spi.h file - Default values are for 10-90% calibration and 1.6bar absolute sensor
Diff: hsc_spi.h
- Revision:
- 0:0056857990b9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hsc_spi.h Sun Feb 16 18:30:04 2014 +0000
@@ -0,0 +1,33 @@
+#ifndef hsc_spi_h
+#define hsc_spi_h
+
+#include "mbed.h"
+
+#define OUTPUT_MAX 0x399A
+#define OUTPUT_MIN 0x0666
+#define P_MAX 1600
+#define P_MIN 0
+
+class hsc_spi
+{
+ SPI& spi;
+ DigitalOut ncs;
+ Timer pollTimer;
+ public:
+
+ hsc_spi(SPI& _spi, PinName _ncs);
+ //void initialise(int out_max,int out_min,int pmax, int pmin);
+ float read_press();
+ float read_temp();
+ void spi_init();
+ void select();
+ void deselect();
+
+ private:
+ PinName _CS_pin;
+ PinName _SO_pin;
+ PinName _SCK_pin;
+ float _error;
+};
+
+#endif