Texas Instruments TLV1562 manual Mainprogram Monomode.asm, Software Overview, SLAA040

Software Overview

8.6.4Mono Mode Interrupt Driven Software Using CSTART to Start Conversion

Mainprogram (Monomode.asm)

**************************************************************************

* TITLE	: TLV1562 ADC Interface routine		*
* FILE	: MONOCST1.ASM		*
* FUNCTION	: MAIN		*
* PROTOTYPE	: void MAIN ()		*
* CALLS	: N/A		*
* PRECONDITION : N/A			*
* POSTCONDITION : N/A			*
* SPECIAL COND. : AR0 protected – in use for the data storage procedure			*
*	AR5 protected – in use for polling IFR		*
*		(only for software polling solution)	*
*	AR7 protected – in use for the data storage procedure		*
* 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		*
*	TMS320C54x DSKPlus User’s Guide, TI 1997		*
*	Data Aquisation Circuits, TI 1998		*

**************************************************************************

.title	”MONOCST1”
.mmregs
.width	80
.length	55

.version 542

*the next 4 lines (setsect) have to be enabled if the DSKplus code generator

*instead of the asm500.exe tools are in use

; .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”
* ADC conversation
AD_DP		.usect ”.variabl”, 0	; pointer address when using any of the
			following variables
ACT_CHANNEL		.usect ”.variabl”, 1	; jump address to init. new channel

58SLAA040