Rework compiler detection, fix SCPI_dtostre length limitation

Jan Breuer

2016-05-31 3c5ca89152f962e0887bd5cf607c69a52c3dd575

 libscpi/inc/scpi/types.h

@@ -201,8 +201,31 @@

    typedef scpi_result_t(*scpi_command_callback_t)(scpi_t *);

    /* scpi error queue */
    typedef void * scpi_error_queue_t;
    struct _scpi_error_info_heap_t {
        size_t wr;
        /* size_t rd; */
        size_t count;
        size_t size;
        char * data;
    };
    typedef struct _scpi_error_info_heap_t scpi_error_info_heap_t;

    struct _scpi_error_t {
        int16_t error_code;
#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION
        char * device_dependent_info;
#endif
    };
    typedef struct _scpi_error_t scpi_error_t;

    struct _scpi_fifo_t {
        int16_t wr;
        int16_t rd;
        int16_t count;
        int16_t size;
        scpi_error_t * data;
    };
    typedef struct _scpi_fifo_t scpi_fifo_t;

    /* scpi units */
    enum _scpi_unit_t {
@@ -212,8 +235,54 @@
        SCPI_UNIT_OHM,
        SCPI_UNIT_HERTZ,
        SCPI_UNIT_CELSIUS,
        SCPI_UNIT_SECONDS,
        SCPI_UNIT_DISTANCE
        SCPI_UNIT_SECOND,
        SCPI_UNIT_METER,
        SCPI_UNIT_GRAY,
        SCPI_UNIT_BECQUEREL,
        SCPI_UNIT_MOLE,
        SCPI_UNIT_DEGREE,
        SCPI_UNIT_GRADE,
        SCPI_UNIT_RADIAN,
        SCPI_UNIT_REVOLUTION,
        SCPI_UNIT_STERADIAN,
        SCPI_UNIT_SIEVERT,
        SCPI_UNIT_FARAD,
        SCPI_UNIT_COULOMB,
        SCPI_UNIT_SIEMENS,
        SCPI_UNIT_ELECTRONVOLT,
        SCPI_UNIT_JOULE,
        SCPI_UNIT_NEWTON,
        SCPI_UNIT_LUX,
        SCPI_UNIT_HENRY,
        SCPI_UNIT_ASTRONOMIC_UNIT,
        SCPI_UNIT_INCH,
        SCPI_UNIT_FOOT,
        SCPI_UNIT_PARSEC,
        SCPI_UNIT_MILE,
        SCPI_UNIT_NAUTICAL_MILE,
        SCPI_UNIT_LUMEN,
        SCPI_UNIT_CANDELA,
        SCPI_UNIT_WEBER,
        SCPI_UNIT_TESLA,
        SCPI_UNIT_ATOMIC_MASS,
        SCPI_UNIT_KILOGRAM,
        SCPI_UNIT_WATT,
        SCPI_UNIT_DBM,
        SCPI_UNIT_ATMOSPHERE,
        SCPI_UNIT_INCH_OF_MERCURY,
        SCPI_UNIT_MM_OF_MERCURY,
        SCPI_UNIT_PASCAL,
        SCPI_UNIT_TORT,
        SCPI_UNIT_BAR,
        SCPI_UNIT_DECIBEL,
        SCPI_UNIT_UNITLESS,
        SCPI_UNIT_FAGRENHEIT,
        SCPI_UNIT_KELVIN,
        SCPI_UNIT_DAY,
        SCPI_UNIT_YEAR,
        SCPI_UNIT_STROKES,
        SCPI_UNIT_POISE,
        SCPI_UNIT_LITER
    };
    typedef enum _scpi_unit_t scpi_unit_t;

@@ -297,8 +366,11 @@
        int_fast16_t output_count;
        int_fast16_t input_count;
        scpi_bool_t cmd_error;
        scpi_error_queue_t error_queue;
        scpi_reg_val_t * registers;
        scpi_fifo_t error_queue;
#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION && !USE_MEMORY_ALLOCATION_FREE
        scpi_error_info_heap_t error_info_heap;
#endif
        scpi_reg_val_t registers[SCPI_REG_COUNT];
        const scpi_unit_def_t * units;
        void * user_context;
        scpi_parser_state_t parser_state;