Texas Instruments TLV1562 - Manual (Page 92)

Software Overview
86 SLAA040
Constants definition – see 8.6.1.1 Constants.asm
Interrupt Routine handler – see 8.6.1.2 Interrupt Vectors
8.6.8 C-Callable
Mainprogram (C1562.c)
/* File: C1562.C */
/* This file will select the parameters to allow a C–call of the ADC sampling */
extern void TLV1562(int, int, int);
main()
{
/* TLV1562(Channel, Save Memory Start address, NUMBER_OF_SAMPLES); */
TLV1562(1, 0x2000, 0x0080);
/* 80h samples of channel 1 will be stored beginning on 2000h */
TLV1562(2, 0x2100, 0x0080);
/* 80h samples of channel 2 will be stored beginning on 2100h */
TLV1562(3, 0x2200, 0x0080);
/* 80h samples of channel 3 will be stored beginning on 2200h */
}
Assembler Routine to Control the Interface to the ADC (ASM1562.asm)
**************************************************************************
* TITLE : TLV1562 ADC Interface routine *
* FILE : DUALIRQ1.ASM *
* FUNCTION : MAIN *
* PROTOTYPE : void MAIN () *
* CALLS : N/A *
* PRECONDITION : N/A *
* POSTCONDITION : N/A *
* DESCRIPTION : main routine to use the mono interrupt driven mode *
* and the CSTART signal to CPU power for the conversion *
* time *
* AUTHOR : AAP Application Group, ICKE, Dallas *
* CREATED 1998(C) BY TEXAS INSTRUMENTS INCORPORATED. *
* REFERENCE : TMS320C54x User’s Guide, TI 1997 *
* : Data Aquisation Circuits, TI 1998 *
**************************************************************************
.title ”DUALIRQ1”
.mmregs
.width 80
.length 55
.version 542