SAT_Geiger.h

Go to the documentation of this file.

#ifndef NANOSATISFI_GEIGER_H_
#define NANOSATISFI_GEIGER_H_


// status regs on geiger counter
#define CPM1          0x01 // count per minute tube 1
#define CPM2          0x03 // count per minute tube 2
#define USPH1         0x02 // uS/h radiation value tube 1
#define USPH2         0x04 // uS/h radiatoin value tube 2

// delay after transmission before requesting data
#define T_DELAY       100

// buffer sizees
#define BUF_SIZE      4

class SAT_Geiger{
  public:
    SAT_Geiger();
    /*
     * Initialize the geiger counter
     * @param node_id The id of the user's arduino on the ArduSat. This allows
     * the supervisor to know which arduino node to send the data back to.
     * The id is assigned by NanoSatisfi.
     */
    void init(uint8_t node_id);

    /*
     * Get's the raw count per minute.
     * @param tube_handle The number of the geiger counter to poll.
     *    This either '1' or '2'.
     */
    long getCPM(byte tube_handle);

    /*
     * Get's the value from the geiger counter in microSeiverts/h
     * @param tube_handle The number of the geiger counter to poll.
     * This either '1' or '2'.
     */
    float getUSPH(byte tube_handle);

  private:
    uint8_t _local_address;
    byte buffer[BUF_SIZE];
    void send(byte* data, unsigned int len);
    void receive(byte* data, unsigned int len);
};

#endif /* NANOSATISFI_GEIGER_H_*/