Can you share me any AN or any sample code, to inject ECC error. I have to check MEMU and FCCU status as a Power on Test after injecting fault.
Reading UTest Area is one method I tried
0x0400040, 0x0400060 and 0x0400080 is what I am reading. With 0x0400060 controller performs resets and with other addresses reads it is not reflecting in MEMU and FCCU.
Is there any other method you can help me with? or we need to read UTest area itself.
Pasting the functions below:
uint8_t FCCU_Configure(void)
{
uint32_t elapsed_time = 0;
// Unlock configuration
FCCU.TRANS_LOCK.R = FCCU_TRANS_LOCK_KEY;
// Provide configuration state key
FCCU.CTRLK.R = FCCU_CONFIG_KEY;
// Enter configuration state (OP1)
FCCU.CTRL.R = FCCU_OP_CONFIG;
// Wait for successful state transition
while (FCCU.CTRL.B.OPS != 0x3)
{
elapsed_time++;
if (elapsed_time > 100) // Timeout
{
return FCCU_ERROR;
}
}
elapsed_time = 0; // Reset elapsed time for the next operation
// Example: Disable reset for PLL failure
FCCU.NCFS_CFG[2].R = 0x00;
// Transition to normal mode
FCCU.CTRLK.R = FCCU_NORMAL_KEY;
FCCU.CTRL.R = FCCU_OP_NORMAL;
// Wait for successful state transition
while (FCCU.CTRL.B.OPS != 0x3)
{
elapsed_time++;
if (elapsed_time > 100) // Timeout
{
return FCCU_ERROR;
}
}
return FCCU_SUCCESS;
}
uint8_t FCCU_ReadFaults(void)
{
uint32_t elapsed_time = 0;
// Enter fault reading mode (OP10)
FCCU.CTRL.R = FCCU_OP_READ;
// Wait for successful operation
while (FCCU.CTRL.B.OPS != 0x3)
{
elapsed_time++;
if (elapsed_time > 100) // Timeout
{
return FCCU_ERROR;
}
}
// Read fault status registers
FCCU_faultStatus[0] = FCCU.NCF_S[0].R;
FCCU_faultStatus[1] = FCCU.NCF_S[1].R;
FCCU_faultStatus[2] = FCCU.NCF_S[2].R;
return FCCU_SUCCESS;
}
uint8_t FCCU_ClearFaults(void)
{
uint32_t elapsed_time = 0;
// Clear fault status in NCF_S[0]
FCCU.NCFK.R = FCCU_CLEAR_FAULT_KEY;
FCCU.NCF_S[0].R = 0xFFFFFFFF;
// Wait for successful operation
while (FCCU.CTRL.B.OPS != 0x3)
{
elapsed_time++;
if (elapsed_time > 100) // Timeout
{
return FCCU_ERROR;
}
}
// Clear fault status in NCF_S[1]
elapsed_time = 0; // Reset elapsed time
FCCU.NCFK.R = FCCU_CLEAR_FAULT_KEY;
FCCU.NCF_S[1].R = 0xFFFFFFFF;
// Wait for successful operation
while (FCCU.CTRL.B.OPS != 0x3)
{
elapsed_time++;
if (elapsed_time > 100) // Timeout
{
return FCCU_ERROR;
}
}
// Clear fault status in NCF_S[2]
elapsed_time = 0; // Reset elapsed time
FCCU.NCFK.R = FCCU_CLEAR_FAULT_KEY;
FCCU.NCF_S[2].R = 0xFFFFFFFF;
// Wait for successful operation
while (FCCU.CTRL.B.OPS != 0x3)
{
elapsed_time++;
if (elapsed_time > 100) // Timeout
{
return FCCU_ERROR;
}
}
return FCCU_SUCCESS;
}
