2011-05-15 11:27:49 +00:00
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/**************************************************************************/
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/*!
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@file iap.c
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Source: http://knowledgebase.nxp.com/showthread.php?t=1594
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*/
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/**************************************************************************/
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#include "iap.h"
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IAP_return_t iap_return;
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#define IAP_ADDRESS 0x1FFF1FF1
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uint32_t param_table[5];
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/**************************************************************************/
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/*!
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Sends the IAP command and stores the result
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*/
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/**************************************************************************/
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void iap_entry(uint32_t param_tab[], uint32_t result_tab[])
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{
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void (*iap)(uint32_t[], uint32_t[]);
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iap = (void (*)(uint32_t[], uint32_t[]))IAP_ADDRESS;
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iap(param_tab,result_tab);
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}
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/**************************************************************************/
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/*!
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Returns the CPU's unique 128-bit serial number (4 words long)
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@section Example
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@code
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#include "core/iap/iap.h"
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IAP_return_t iap_return;
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iap_return = iapReadSerialNumber();
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if (iap_return.ReturnCode == 0)
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{
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printf("Serial Number: %08X %08X %08X %08X %s",
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iap_return.Result[0],
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iap_return.Result[1],
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iap_return.Result[2],
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iap_return.Result[3],
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CFG_PRINTF_NEWLINE);
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}
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@endcode
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*/
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/**************************************************************************/
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IAP_return_t iapReadSerialNumber(void)
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{
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// ToDo: Why does IAP sometime cause the application to halt when read???
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param_table[0] = IAP_CMD_READUID;
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iap_entry(param_table,(uint32_t*)(&iap_return));
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return iap_return;
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}
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