diff options
Diffstat (limited to 'nuttx/configs/shenzhou/src/up_chipid.c')
-rw-r--r-- | nuttx/configs/shenzhou/src/up_chipid.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/nuttx/configs/shenzhou/src/up_chipid.c b/nuttx/configs/shenzhou/src/up_chipid.c new file mode 100644 index 000000000..e2978e54a --- /dev/null +++ b/nuttx/configs/shenzhou/src/up_chipid.c @@ -0,0 +1,92 @@ +/************************************************************************************ + * configs/shenzhou/src/up_chipid.c + * arch/arm/src/board/up_chipid.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name NuttX 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. + * + ************************************************************************************/ + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> + +#include <stdio.h> + +#include <arch/board/board.h> + +#include "up_arch.h" + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +const char *stm32_getchipid(void) +{ + static char cpuid[12]; + int i; + + for (i = 0; i < 12; i++) + { + cpuid[i] = getreg8(0x1ffff7e8+i); + } + + return cpuid; +} + +const char *stm32_getchipid_string(void) +{ + static char cpuid[27]; + int c; + int i; + + for (i = 0, c = 0; i < 12; i++) + { + sprintf(&cpuid[c], "%02X", getreg8(0x1ffff7e8+11-i)); + c += 2; + if (i % 4 == 3) + { + cpuid[c++] = '-'; + } + } + + cpuid[26] = '\0'; + return cpuid; +} |