;; 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 ----------