?? codestartbranch.asm
字號(hào):
***********************************************************************
* CodeStartBranch.asm
***********************************************************************
***********************************************************************
* File: CodeStartBranch.asm
* Devices: TMS320F2812, TMS320F2811, TMS320F2810
* Author: David M. Alter, Texas Instruments Inc.
* History: 09/08/03 - original (D. Alter)
***********************************************************************
WD_DISABLE .set 1 ;set to 1 to disable WD, else set to 0
.ref _c_int00
***********************************************************************
* Function: codestart section
* Description: Branch to code starting point
***********************************************************************
.sect "codestart"
.if WD_DISABLE == 1
LB wd_disable ;Branch to watchdog disable code
.else
LB _c_int00 ;Branch to start of boot.asm in RTS library
.endif
;end codestart section
***********************************************************************
* Function: wd_disable
* Description: Disables the watchdog timer
***********************************************************************
.if WD_DISABLE == 1
.text
wd_disable:
EALLOW ;Enable EALLOW protected register access
MOVZ DP, #7029h>>6 ;Set data page for WDCR register
MOV @7029h, #0068h ;Set WDDIS bit in WDCR to disable WD
EDIS ;Disable EALLOW protected register access
LB _c_int00 ;Branch to start of boot.asm in RTS library
.endif
;end wd_disable
***********************************************************************
.end ; end of file CodeStartBranch.asm?? 快捷鍵說(shuō)明
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