SPRUIW9C October 2021 – March 2024 TMS320F280033 , TMS320F280034 , TMS320F280034-Q1 , TMS320F280036-Q1 , TMS320F280036C-Q1 , TMS320F280037 , TMS320F280037-Q1 , TMS320F280037C , TMS320F280037C-Q1 , TMS320F280038-Q1 , TMS320F280038C-Q1 , TMS320F280039 , TMS320F280039-Q1 , TMS320F280039C , TMS320F280039C-Q1
unsigned long LinkPointer;
unsigned long *Zone1SelBlockPtr;
int Bitpos = 13;
int ZeroFound = 0;
// Read Z1-Linkpointer register of DCSM module.
LinkPointer = *(unsigned long *)0x5F000;
// Bits 31 to 15 as most-sigificant 0 are reserved LinkPointer options
LinkPointer = LinkPointer << 18;
while ((ZeroFound == 0) && (bitpos > -1))
{
if ((LinkPointer & 0x80000000) == 0)
{
ZeroFound = 1;
Zone1SelBlockPtr = (unsigned long *)(0x78000 + ((bitpos + 2)*32));
}
else
{
bitpos--;
LinkPointer = LinkPointer << 1;
}
}
if (ZeroFound == 0)
{
//Default in case there is no zero found.
Zone1SelBlockPtr = (unsigned long *)0x78020;
}