Tektronix DPO/MSO2000 calibration data format

typedef struct __attribute__((packed)){
    uint32_t    u32CalStringLen;        // Cal Name length (Non-null terminated)
    char        cCalStringPtr[u32CalStringLen];     // Cal Name string without null termination
    uint32_t    u32CalReadCount;        // Cal array element count
    uint32_t    u32CalDataType;         // Cal data type 0->BYTE, 1->SHORT, 2->LONG, 3->FLOAT. Used for type-casting
    uint32_t    p32CalDataPtr[u32CalReadCount];         // actual Cal data
}tTekCalConst;

typedef struct __attribute__((packed)){
    uint32_t    u32EndStringLen;        // Always = 3
    char        cEnd[3];                // 'E', 'N', 'D'
}tTekCalEnd

/* The actual SPC and Factory calibration data will look like this*/
typedef struct __attribute__((packed)){
    uint16_t        u16CheckSum;
    tTekCalConst    tCalConst1;
    tTekCalConst    tCalConst2;
    // ...
    // ...
    // ...
    tTekCalEnd      tCalEnd;
}tTekCalData;