DSCDASETTINGS

Structure containing current D/A conversion settings.

Structure Definition

typedef struct { 

    BYTE polarity; 
    BYTE load_cal; 
    FLOAT range; 
    BYTE gain; // New for the Helios and later D/A-capable boards. 
    BYTE dasim ; /* DASIM bit for simultaneous update*/ 
    BYTE daPolEn ; /* 1 = Polarity from SW, 0 = polarity by HW jumpers.*/ 
    BYTE channel; 
    BYTE over_range; 
    BYTE enable;
    
} DSCDASETTINGS;

Structure Members

Name	Description	Applicable Boards
polarity	The polarity setting to use for D/A conversions; valid settings are BIPOLAR or UNIPOLAR	Diamond-MM-32DX-AT
load_cal	If TRUE, the board will retrieve the calibration settings for the selected D/A range from the EEPROM and store it in the calibration circuit before performing future D/A conversions. This results in higher accuracy but causes a slight one-time delay of a few milliseconds. If FALSE, the board will use the current calibration settings and start the D/A conversion immediately. Once a particular D/A range's calibration settings are loaded into the board, they will remain loaded until the board powers off or a new set of settings is loaded.	Aries,Ruby-MM-1616
range	Absolute value of maximum voltage. For example, 10.0, or 5.0. Required for DscDACodeToVoltage and DscVoltageToDACode.	Aries,DS-MPE-DAQ0804,Ruby-MM-1616,Zeta,Helix
gain	INPUT: 0 = gain of 1, 1 = gain of 2, 2 = gain of 4, 3 = gain of 8	Diamond-MM-32DX-AT
dasim	If set to 1, set the DASIM bit in the DA mode control register. Currently only applies to the Helios SBC. When this bit is set to 1, the DA conversions are kept in the FPGA memory until a trigger is applied to enable the simultaneout output of all the DA channels on the corresponding analong outputs. It is recommended that the DASIM bit be used in the dscDAConvertScan function instead of in the dscDAConvert function. It MUST be noted that this bit is settable only in case of Helios SBC.	DS-MPE-DAQ0804,Zeta,Helix
daPolEn	Only applicable to Helios board as of now. If set to 1, the DA polarity is controlled through software. Otherwise the polarity is provided by the hardware jumpers on the board. Thus when set to 1, the software settings override the hardware jumpers. It MUST be noted that this bit is settable only in case of Helios SBC.	Diamond-MM-32DX-AT
channel	The variable which stores the D/A channel value	Aries,Ruby-MM-1616
over_range	To enable/disable the over range	Aries,Ruby-MM-1616
enable	To enable the D/A functionality to perform D/A operation	Aries,Ruby-MM-1616