crashtest-r0ket/firmware/core/iap/iap.c

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