Texas Instruments TLV1562 manual C-Callable, Mainprogram C1562.c, Software Overview, SLAA040

Software Overview

Constants definition – see 8.6.1.1 Constants.asm

Interrupt Routine handler – see 8.6.1.2 Interrupt Vectors

8.6.8C-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

86SLAA040