Make public SCPI_LongToStr, SCPI_DoubleToStr

Jan Breuer

2015-04-22 c49b34ae42b691518a1100346d7c749e35bc3ba3

 examples/common/scpi-def.c

@@ -283,3 +283,4 @@
    .units = scpi_units_def,
    .idn = {"MANUFACTURE", "INSTR2013", NULL, "01-02"},
};