36463721d0
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5393 42af7a65-404d-4744-a932-0658087f49c3
93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
/************************************************************************************
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* configs/shenzhou/src/up_chipid.c
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* arch/arm/src/board/up_chipid.c
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <arch/board/board.h>
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#include "up_arch.h"
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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const char *stm32_getchipid(void)
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{
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static char cpuid[12];
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int i;
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for (i = 0; i < 12; i++)
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{
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cpuid[i] = getreg8(0x1ffff7e8+i);
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}
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return cpuid;
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}
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const char *stm32_getchipid_string(void)
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{
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static char cpuid[27];
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int c;
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int i;
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for (i = 0, c = 0; i < 12; i++)
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{
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sprintf(&cpuid[c], "%02X", getreg8(0x1ffff7e8+11-i));
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c += 2;
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if (i % 4 == 3)
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{
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cpuid[c++] = '-';
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}
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}
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cpuid[26] = '\0';
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return cpuid;
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}
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