Texas Instruments TLV1562 Dual Interrupt Driven Mode, Mainprogram DUALIRQ1.asm, Software Overview

Software Overview

Constants definition – see 8.6.1.1 Constants.asm

Interrupt Routine handler – see 8.6.1.2 Interrupt Vectors

8.6.5Dual Interrupt Driven Mode

Mainprogram (DUALIRQ1.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

;.setsect ”.vectors”,0x00180,0 ; sections of code

;	.setsect	”.text”,	0x00200,0	;	these assembler directives specify
;	.setsect	”.data”,	0x01800,1	;	the absolute addresses of different

;.setsect ”.variabl”,0x01800,1 ; sections of code

.sect ”.vectors”

.copy ”vectors.asm”

.sect ”.data”

.copy ”constant.asm”

AD_DP	.usect ”.variabl”, 0		;
ACT_CHANNEL .usect ”.variabl”, 1			; jump address to init. new channel
ADWORD	.usect ”.variabl”,	1	; send–bytes to the ADC
ADCOUNT	.usect ”.variabl”, 1		; counter for one channel
ADMEM	.usect ”.variabl”,	1	; points to act. memory save location

66SLAA040