Rabbit BL2020, User Manual

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50 Wildcat (BL2000)
4.4.6 D/A Converter Outputs
The functions in this section apply only to the BL2000 and the BL2020 models.
Calibrates the response of the D/A converter channel desired as a linear function using the two conver-
sion points provided. Gain and offset constants are calculated and placed into global table
_dacCalib
.
PARAMETERS
channel is the D/A converter output channel (0 or 1).
value1 is the first D/A converter value.
volts1 is the voltage corresponding to the first D/A converter value.
value2 is the second D/A converter value.
volts2 is the voltage corresponding to the second D/A converter value.
RETURN VALUE
0 if sucessful.
-1 if not able to make calibration constants.
SEE ALSO
anaOut, anaOutVolts, brdInit
int anaOutCalib(int channel, int value1,
float volts1, int value2, float volts2);