Bruno Alfano / HSC_SPI

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

hsc_spi.h@0:0056857990b9, 2014-02-16 (annotated)

Committer:
brunoalfano
Date:
Sun Feb 16 18:30:04 2014 +0000
Revision:
0:0056857990b9
Library for Honeywell HSC pressure sensor via SPI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
brunoalfano 0:0056857990b9 1 #ifndef hsc_spi_h
brunoalfano 0:0056857990b9 2 #define hsc_spi_h
brunoalfano 0:0056857990b9 3
brunoalfano 0:0056857990b9 4 #include "mbed.h"
brunoalfano 0:0056857990b9 5
brunoalfano 0:0056857990b9 6 #define OUTPUT_MAX 0x399A
brunoalfano 0:0056857990b9 7 #define OUTPUT_MIN 0x0666
brunoalfano 0:0056857990b9 8 #define P_MAX 1600
brunoalfano 0:0056857990b9 9 #define P_MIN 0
brunoalfano 0:0056857990b9 10
brunoalfano 0:0056857990b9 11 class hsc_spi
brunoalfano 0:0056857990b9 12 {
brunoalfano 0:0056857990b9 13 SPI& spi;
brunoalfano 0:0056857990b9 14 DigitalOut ncs;
brunoalfano 0:0056857990b9 15 Timer pollTimer;
brunoalfano 0:0056857990b9 16 public:
brunoalfano 0:0056857990b9 17
brunoalfano 0:0056857990b9 18 hsc_spi(SPI& _spi, PinName _ncs);
brunoalfano 0:0056857990b9 19 //void initialise(int out_max,int out_min,int pmax, int pmin);
brunoalfano 0:0056857990b9 20 float read_press();
brunoalfano 0:0056857990b9 21 float read_temp();
brunoalfano 0:0056857990b9 22 void spi_init();
brunoalfano 0:0056857990b9 23 void select();
brunoalfano 0:0056857990b9 24 void deselect();
brunoalfano 0:0056857990b9 25
brunoalfano 0:0056857990b9 26 private:
brunoalfano 0:0056857990b9 27 PinName _CS_pin;
brunoalfano 0:0056857990b9 28 PinName _SO_pin;
brunoalfano 0:0056857990b9 29 PinName _SCK_pin;
brunoalfano 0:0056857990b9 30 float _error;
brunoalfano 0:0056857990b9 31 };
brunoalfano 0:0056857990b9 32
brunoalfano 0:0056857990b9 33 #endif