Software Overview
@ADSAMPLE = #(TLC5618_LATCH_ATLC5618_FAST_MODETLC5618_POWER_UP) ; set the mode of the
DAC
data(BDXR) = @ADSAMPLE; send out the sample to the serial DAC SEND_SERIAL_END:
.endif
* test for table end, set pointer back if true
.if SAVE_INTO_MEMORY
TC | = (AR0 == AR7) |
if | (NTC) goto STORE_END |
* set pointer back to table start AR7 = #(data_loc_A)
AR6 = #(data_loc_B)
.endif
STORE_END: RETURN
;is AR7 = AR0? (table end reached?)
;point to first date location of the storage table
;point to first date location of the storage table
;jump back into data aquisition routine
**************************************************************
*IRQ_INT0:
*Interrupt routine of the external interrupt input pin INT0
**************************************************************
IRQ_INT0:
call STEP2 | ; | initialize the next conversion and store results |
return_enable | ; | return from IRQ (wake up from the IDLE mode) |
**************************************************************************
*BXINT0:
*Interrupt routine of the serial transmit interrupt of the buffered SPI
**************************************************************************
BXINT0:
return_enable | ; interrupt is not in use |
.sect ”.text” |
|
.copy ”calibrat.asm” |
|
.end |
|
Interfacing the TLV1562 Parallel ADC to the TMS320C54x DSP | 73 |
