UM1620 datasheet(27/41 Pages) STMICROELECTRONICS

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UM1620

API specification

Arguments

Return values

Troubleshooting

The troubleshooting mentioned below comprises of hardware errors due to both P Flash

block erase verify and P Flash section erase verify command. Apart from these the input

based error handling is also mentioned.

Comments

The bit field allocation for blkLockState is same as that in ‘GetLock()’ function.

Table 39. Arguments for SetLock()

Argument

Description

Range

pSSDConfig

Pointer to the SSD

Configuration Structure.

The values in this structure are chip-dependent.

Please refer to Section 2.3 for more details.

blkLockIndicator

Indicating the address

space and the protection

level of the block lock

Refer to Table 34 for valid codes for this parameter.

blkLockState

The block locks to be set to

the specified address

space and protection level.

Bit mapped value indicating the lock status of the

specified protection level and address space.

1: The block is locked from program/erase.

0: The block is ready for program/erase

password

A password is required to

enable the block lock

Correct passwords for block lock registers are

0xA1A1_1111 for Low/Mid Address Space Block

Locking Register, 0xC3C3_3333 for Secondary

Low/Mid Address Space Block Locking Register,

and 0xB2B2_2222 for High Address Space Block

Select Register.

Table 40. Return values for SetLock()

Type

Description

Possible values

UINT32

Successful completion or error value.

C90FL_OK

C90FL_ERROR_LOCK_INDICATOR

C90FL_ERROR_PASSWORD

Table 41. Troubleshooting for SetLock()

Returned error bits

Possible causes

Solution

C90FL_ERROR_LOCK_INDICATOR

The input blkLockIndicator

is invalid.

Set this argument to correct

value listed in Table 34.

C90FL_ERROR_PASSWORD

The given password cannot

enable the block lock

Pass in a correct password.

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