dac.inc

来自「用VC编辑的一个MD5算法」· INC 代码 · 共 49 行

;;************************************************************************
;;************************************************************************
;;
;;  DAC.inc (from dac8.inc user module template)
;;  Revision A, 2002 Jul 18
;;
;;  Assembler source for 9-bit Switched Capacitor DAC API
;;
;;  Copyright (c) Cypress MicroSystems 2002. All Rights Reserved.
;;
;;************************************************************************
;;************************************************************************
;;

DAC_OFF:              equ 00h
DAC_LOWPOWER:         equ 01h
DAC_MEDPOWER:         equ 02h
DAC_FULLPOWER:        equ 03h

DAC_LSB_CR0:          equ 90h
DAC_LSB_CR1:          equ 91h
DAC_LSB_CR2:          equ 92h
DAC_LSB_CR3:          equ 93h
DAC_MSB_CR0:          equ 80h
DAC_MSB_CR1:          equ 81h
DAC_MSB_CR2:          equ 82h
DAC_MSB_CR3:          equ 83h

DAC_OffsetBinary:     equ 04h
DAC_TwosComplement:   equ 02h
DAC_SignAndMagnitude: equ 01h
DAC_RawRegister:      equ 00h

DAC_DATAFORMAT:       equ 1h
DAC_OFFSETBINARY:     equ DAC_DATAFORMAT & DAC_OffsetBinary
DAC_TWOSCOMPLEMENT:   equ DAC_DATAFORMAT & DAC_TwosComplement
DAC_SIGNANDMAGNITUDE: equ DAC_DATAFORMAT & DAC_SignAndMagnitude

DAC_PHASE_Normal:     equ 0
DAC_PHASE_Swapped:    equ 1

DAC_PHASE_SWAP:       equ DAC_PHASE_Normal

IF DAC_PHASE_SWAP
    DAC_CR0_HIBITS:   equ C0h
ELSE
    DAC_CR0_HIBITS:   equ 80h
ENDIF