dgn.h62

来自「SEED的VPM642测试程序-板级支持库」· H62 代码 · 共 216 行

;
;  Copyright 2003 by Texas Instruments Incorporated.
;  All rights reserved. Property of Texas Instruments Incorporated.
;  Restricted rights to use, duplicate or disclose this code are
;  granted through contract.
;  
;
; "@(#) DSP/BIOS 4.90.270 12-18-03 (barracuda-o04)"
;
;  ======== dgn.h62 ========
;
;

        .if ($isdefed("DGN_H62") = 0)   ; prevent multiple includes of this file
DGN_H62 .set    1

        .include std.h62
        .include dev.h62
 
;
;# ======== DGN_config ========
;  Static configuration of the DGN module
;
;#
;# Preconditions:
;#      none
;#
;# Postconditions:
;#      none
;#
;
	.asg    "", DGN_config$regs
DGN_config	.macro _enabled

	.if ($isdefed("STD_FLOATDSP") = 0)
DGN_FLOATDSP	.set 0
	.elseif (STD_FLOATDSP = 1)
DGN_FLOATDSP	.set 1
	.else
DGN_FLOATDSP	.set 0
	.endif
	
	.if (DGN_FLOATDSP == 1)

	.global	_DGN_fconst
	.global	_DGN_frand
	.global	_DGN_fsine
	.global	_DGN_user

	.asg	_DGN_fconst,  DGN_CONST
	.asg	_DGN_frand,  DGN_RAND
	.asg	_DGN_fsine,  DGN_SINE
	.asg	_DGN_user,   DGN_USER

	.else

	.global	_DGN_iconst
	.global	_DGN_irand
	.global	_DGN_isine
	.global	_DGN_user

	.asg	_DGN_iconst, DGN_CONST
	.asg	_DGN_irand,  DGN_RAND
	.asg	_DGN_isine,  DGN_SINE
	.asg	_DGN_user,   DGN_USER

	.endif

        .endm

;
;# ======== DGN_end ========
;  Invoked at the end of all other configuration declarations.
;
;#
;# Preconditions:
;#      none
;#
;# Postconditions:
;#      none
;#
;
        .asg    "", DGN_end$regs
DGN_end .macro
        .endm

;
;# ======== DGN_init ========
;  Runtime initialization of the DGN module
;
;#
;# Preconditions: 
;#	none
;#
;# Postconditions:
;#	none
;#
;
	.asg    "", DGN_init$regs
DGN_init	.macro
	.endm

;
;# ======== DGN_startup ========
;
;#
;# Preconditions:
;#      none
;#
;# Postconditions:
;#      none
;#
	.asg    "", DGN_startup$regs
DGN_startup        .macro
	.if	DGN$NUMOF != 0

	;
	; DGN_init is #defined as SYS_nop in dgn.h,
	; so we won't do anything here.
	;
	;.global _DGN_init
	; call	 _DGN_init

	.endif
	.endm

;
;# ======== DGN_Obj ========
;
;#
;# Preconditions:
;#      none
;#
;# Postconditions:
;#      none
;#
;
	.asg    "", DGN_Obj$regs
DGN_Obj	.macro cflag, name, id, _useDefaults, _devId, _constant, _randSeed, _randLower, _randUpper, _sineGain, _sineFreq, _sinePhase, _sineRate, _userFxn, _userArg
	.sect	".const"
DGN_:name:	.byte	"/:name:", 0	; Set up string "/<devName>"

	.if (:_useDefaults: == 0)

; Reserve space for DGN_Params:
SIO_:name:$params: .usect ".dgn",10 * STD_TARGWORDMAUS, STD_TARGWORDMAUS

	    .if $isname(":_userFxn:")
		.ref	:_userFxn:
	    .endif

	    .if $isname(":_userArg:")
		;
		; This symbol declaration/reference needs to be performed
		; using a .global instead of a .ref.  This is due to the
		; fact that _userArg might be defined within the same cfg
		; file that uses this DGN_Obj macro (in the case where
		; _userArg is a reference to a symbol that is created
		; within the configuration) and you get an assembler warning
		; if you try to .ref a symbol which is already defined.
		;
		.global	:_userArg:
	    .endif

;
; DGN_Params: The following block must match the DGN_Params structure in dgn.h.
;
	    .sect	".cinit"
	    .align	STD_TARGALIGN
	    .word	10 * STD_TARGWORDMAUS,SIO_:name:$params

	    .if (DGN_FLOATDSP == 1)
		.float	:_constant:
		.word	:_randSeed:
		.float	:_randLower:
		.float	:_randUpper:
		.float	:_sineGain:
		.float	:_sineFreq:
		.float	:_sinePhase:
		.word	:_sineRate:
		.word	:_userFxn:
		.word	:_userArg:
	    .else
		.word	:_constant:
		.word	:_randSeed:
		.word	:_randLower:
		.word	:_randUpper:
		.word	:_sineGain:
		.word	:_sineFreq:
		.word	:_sinePhase:
		.word	:_sineRate:
		.word	:_userFxn:
		.word	:_userArg:
	    .endif

	.else				; if :_useDefaults:

;
; This matches SIO_:_device:$params
;
SIO_:name:$params	.set	0	; to select default paramters, use NULL

	.endif

;
; This adds an entry to the device table, DEV_devtab, and init table DEV_devinit
;
	.global	_DGN_FXNS
	DEV_addDevice DGN_:name:, _DGN_FXNS, :_devId:, SIO_:name:$params, 0, DEV_SIOTYPE, 0

	.endm


	.endif		; if DGN_H62 is not defined