; --------------------------------------------------------------------------------
; @Title: Example for manual JTAG access, Debugger in DOWN Mode
; @Description: 
;   This script reads out the IDCODE of an ARM7 core when the debugger is in 
;   DOWN mode.
;   Detailed knowledge about JTAG is required to use manual JTAG control signals!
;   Tested on an ARM7 target board.
; @Keywords: idcode
; @Author: PEG
; @Props: Template
; @Copyright: (C) 1989-2014 Lauterbach GmbH, licensed for use with TRACE32(R) only
; --------------------------------------------------------------------------------
; $Id: example1.cmm 6982 2014-04-24 11:10:17Z kjmal $


; The debugger is in DOWN mode, the JTAG driver is tristated.

JTAG.PIN ENable                                                                 ; enable JTAG output driver
JTAG.SHIFTTMS 1 1 1 1 1                                                         ; soft reset of the JTAG interface, goto Test-Logic Reset state
JTAG.SHIFTTMS 0 1 1 0 0                                                         ; goto Shift-IR state
JTAG.SHIFTREG 0 1 1 1                                                           ; shift in IDCODE instruction
JTAG.SHIFTTMS 1 1 0 0                                                           ; goto Shift-DR state
JTAG.SHIFTREG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0   ; shift in 32 dummy bits to get the IDCODE
PRINT JTAG.SHIFT()                                                              ; print result
JTAG.SHIFTTMS 1 1 1 1                                                           ; goto Test-Logic Reset state
JTAG.PIN DISable                                                                ; disable JTAG output driver
ENDDO