Texas Instruments TLV1562 - Manual (Page 47)

Software Overview
41 Interfacing the TLV1562 Parallel ADC to the TMS320C54x DSP
8.6 Source Code
The following paragraphs contain the source code.
8.6.1 Common Software for all Modes (except C-Callable)
The files shown below contained the actual ’C54x program listings and program
examples.
8.6.1.1 Constants.asm
***************************************************************************
* TITLE : TLV1562 ADC Interface routine *
* FILE : CONSTANT.ASM *
* FUNCTION : N/A *
* PROTOTYPE : N/A *
* CALLS : N/A *
* PRECONDITION : N/A *
* POSTCONDITION : N/A *
* SPECIAL COND. : N/A *
* DESCRIPTION : definition of constant values for interface software *
* AUTHOR : AAP Application Group, ICKE, Dallas/Freising *
* CREATED 1998(C) BY TEXAS INSTRUMENTS INCORPORATED. *
* REFERENCE : TMS320C54x Assembly Language Tools, TI 1997 *
* TMS320C54x DSKPlus User’s Guide, TI 1997 *
* Data Aquisation Circuits, TI 1998 *
***************************************************************************
********************************
* SEND WORDS FOR THE ADC TLV1562
********************************
* INDEX MODE 0:
CH1 .set 00000h ; Channel selection is Channel 1
CH2 .set 00001h ; Channel selection is Channel 2
CH3 .set 00002h ; Channel selection is Channel 3
CH4 .set 00003h ; Channel selection is Channel 4
PAIR_A .set 00000h ; Channel selection is Pair A
PAIR_B .set 00003h ; Channel selection is Pair B
MONO_INT .set 00000h ; Conversion mode selection is Mono Interrupt
DUAL_INT .set 00004h ; Conversion mode selection is Dual Interrupt
MONO_CONTINUOUS .set 00008h ; Conversion mode selection is Mono Continuous
DUAL_CONTINUOUS .set 0000Ch ; Conversion mode selection is Dual Continuous
SINGLE_END .set 00000h ; Input type is Single Ended
DIFFERENTIAL .set 00010h ; Input type is Differential
CLK_INTERNAL .set 00000h ; Conversion clock selection is Internal
CLK_EXTERNAL .set 00020h ; Conversion clock selection is External
CALIB_OP .set 00000h ; Operate with the calibrated inputs
SYS_OFF_CALIB .set 00040h ; do a system offset calibration
INT_OFF_CALIB .set 00080h ; do a internal offset calibration