get_chip_id.c

ATEML公司EB40/40a/42/63/55开发板部分测试程序。

//*----------------------------------------------------------------------------
//*      ATMEL Microcontroller Software Support  -  ROUSSET  -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name           : get_chip_id.c
//* Object              : get the chip ID
//*
//* 1.0 03/11/00 JPP    : Creation
//*----------------------------------------------------------------------------

//* --------------------------- include file ----------------------------------
#include <stdio.h>
#include "periph/special_function/lib_sf.h"


//*----------------------------------------------------------------------------
//* Function Name       : get_chip_id
//* Object              : Write the chip ID
//* Input Parameters    : <*message> string to write
//* Output Parameters   : <message> update
//*----------------------------------------------------------------------------
void get_chip_id( char *string)
{
    //* Read one of the Chip Identification Registers
    int value;
    int len=0;
    value = at91_read_chip_id(0);

    // *  Non Volatile Program Memory Type
    len += sprintf(&string[len],"AT91");
    switch (SF_NVPTYP&value)
    {
        case SF_NVPTYP_M:
            len += sprintf(&string[len],"m");
            break;
        case SF_NVPTYP_C:
            len += sprintf(&string[len],"c");
            break;
        case SF_NVPTYP_S:
            len += sprintf(&string[len],"s");
            break;
        case SF_NVPTYP_R:
            len += sprintf(&string[len],"r");
            break;
        default:
            len += sprintf(&string[len],"xx");
            break;
    }
    //*  Chip Architecture
    len += sprintf(&string[len],"%02X",(SF_ARCH&value)>>20);

    //* Volatile Data Memory Size
    len += sprintf(&string[len],"%01X",(SF_VDSIZ&value)>>16);
    len += sprintf(&string[len],"0");

    //* Non Volatile Program Memory Size
    switch (SF_NVPSIZ&value)
    {
        case SF_NVPSIZ_NONE:
            len += sprintf(&string[len],"0");
            break;
        case SF_NVPSIZ_32K:
            len += sprintf(&string[len],"5");
            break;
        case SF_NVPSIZ_64K:
            len += sprintf(&string[len],"6");
            break;
        case SF_NVPSIZ_128K:
            len += sprintf(&string[len],"7");
            break;
        case SF_NVPSIZ_256K:
            len += sprintf(&string[len],"8");
            break;
        default:
            len += sprintf(&string[len],"xx");
            break;
    }

    //*  Chip Version
    len += sprintf(&string[len]," Version:%X", SF_VERSION &  value);
//* End
}