|
|
|
;; TI File $Revision: /main/1 $
|
|
|
|
;; Checkin $Date: July 30, 2007 10:29:23 $
|
|
|
|
;;###########################################################################
|
|
|
|
;;
|
|
|
|
;; FILE: ADC_cal.asm
|
|
|
|
;;
|
|
|
|
;; TITLE: 2833x Boot Rom ADC Cal routine.
|
|
|
|
;;
|
|
|
|
;; Functions:
|
|
|
|
;;
|
|
|
|
;; _ADC_cal - Copies device specific calibration data into ADCREFSEL and
|
|
|
|
;; ADCOFFTRIM registers
|
|
|
|
;; Notes:
|
|
|
|
;;
|
|
|
|
;;###########################################################################
|
|
|
|
;; $TI Release: 2833x/2823x Header Files V1.32 $
|
|
|
|
;; $Release Date: June 28, 2010 $
|
|
|
|
;; $Copyright:
|
|
|
|
;// Copyright (C) 2009-2024 Texas Instruments Incorporated - http://www.ti.com/
|
|
|
|
;//
|
|
|
|
;// Redistribution and use in source and binary forms, with or without
|
|
|
|
;// modification, are permitted provided that the following conditions
|
|
|
|
;// are met:
|
|
|
|
;//
|
|
|
|
;// Redistributions of source code must retain the above copyright
|
|
|
|
;// notice, this list of conditions and the following disclaimer.
|
|
|
|
;//
|
|
|
|
;// Redistributions in binary form must reproduce the above copyright
|
|
|
|
;// notice, this list of conditions and the following disclaimer in the
|
|
|
|
;// documentation and/or other materials provided with the
|
|
|
|
;// distribution.
|
|
|
|
;//
|
|
|
|
;// Neither the name of Texas Instruments Incorporated nor the names of
|
|
|
|
;// its contributors may be used to endorse or promote products derived
|
|
|
|
;// from this software without specific prior written permission.
|
|
|
|
;//
|
|
|
|
;// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
|
|
;// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
|
|
;// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
|
|
;// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
|
|
;// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
|
|
;// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
|
|
;// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
|
|
;// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
|
|
;// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
|
|
;// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
|
|
;// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
;// $
|
|
|
|
;;###########################################################################
|
|
|
|
|
|
|
|
.def _ADC_cal
|
|
|
|
.asg "0x711C", ADCREFSEL_LOC
|
|
|
|
|
|
|
|
;-----------------------------------------------
|
|
|
|
; _ADC_cal
|
|
|
|
;-----------------------------------------------
|
|
|
|
;-----------------------------------------------
|
|
|
|
; This is the ADC cal routine.This routine is programmed into
|
|
|
|
; reserved memory by the factory. 0xAAAA and 0xBBBB are place-
|
|
|
|
; holders for calibration data.
|
|
|
|
;The actual values programmed by TI are device specific.
|
|
|
|
;
|
|
|
|
; This function assumes that the clocks have been
|
|
|
|
; enabled to the ADC module.
|
|
|
|
;-----------------------------------------------
|
|
|
|
|
|
|
|
.sect ".adc_cal"
|
|
|
|
|
|
|
|
_ADC_cal
|
|
|
|
MOVW DP, #ADCREFSEL_LOC >> 6
|
|
|
|
MOV @28, #0xAAAA ; actual value may not be 0xAAAA
|
|
|
|
MOV @29, #0xBBBB ; actual value may not be 0xBBBB
|
|
|
|
LRETR
|
|
|
|
;eof ----------
|