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Fixing Arduino UUID support

This commit is contained in:
Christoph Kottke 2020-11-28 08:50:41 +01:00
parent 6d0335b357
commit a35b8f929a
1 changed files with 11 additions and 7 deletions
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16
IODue.cpp
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@ -299,14 +299,18 @@ uint8_t CIO::getCPU() const
// Code taken from https://github.com/emagii/at91sam3s/blob/master/examples/eefc_uniqueid/main.c
void CIO::getUDID(uint8_t* buffer)
{
EFC->EEFC_FCR = (0x5A << 24) | EFC_FCMD_STUI;
::memcpy(buffer, (void *)IFLASH_ADDR, 16U);
EFC->EEFC_FCR = (0x5A << 24) | EFC_FCMD_SPUI;
uint32_t status;
EFC1->EEFC_FCR = (0x5A << 24) | EFC_FCMD_STUI;
do {
status = EFC->EEFC_FSR ;
status = EFC1->EEFC_FSR;
} while ( (status & EEFC_FSR_FRDY) == EEFC_FSR_FRDY );
::memcpy(buffer, (void *)IFLASH1_ADDR, 16U);
EFC1->EEFC_FCR = (0x5A << 24) | EFC_FCMD_SPUI;
do {
status = EFC1->EEFC_FSR;
} while ( (status & EEFC_FSR_FRDY) != EEFC_FSR_FRDY );
}