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Firmware Upgrading & Diagnostic Software
5.
FLASH (FLASH)
Nucleus Name
DS_FLASH_DevTypeGet
Nucleus Number
500
Description
Get the device (revision) type information of the FLASH ICs. (type,
manufacturer, device ID and size)
Technical
-
Set the timing for the flash writing
-
Write a command sequence to determine device type information
-
Return the information to the user
Execution Time
Less than 1 second
User Input
None
Error
Number
Description
50000
Getting the information from the FLASH succeeded
50001
Getting the information from the FLASH failed
Example
DS:> 500
050000: Found FLASH memory:
NOR AMD 29DL640G 8MB,NOR AMD 29DL640G 8MB
Test OK @
Nucleus Name
DS_FLASH_Read
Nucleus Number
502
Description
Read from a specific memory address in FLASH
Technical
-
Decode the user input and check the ranges and whether the address is
aligned on 4 bytes
-
Read the data and return this to the user
Execution Time
Less than 1 second.
User Input
The location from which data must be read
(FLASH starts at address 0xB8000000)
Error
Number
Description
50200
Reading the FLASH succeeded
50201
Reading the FLASH failed; Wrong user input
50202
Address is not dividable by 4
Example
DS:> 502 0xb8000000
050200: Value read = 0x3C08A000
Test OK @
Nucleus Name
DS_FLASH_ChecksumProgram
Nucleus Number
503
Description
Check the checksum of the application partitions by recalculating and
comparing partition checksums
Technical
-
Determine the number of segments
-
Find the application in each segment and determine its checksum
-
Check whether the checksums stored match the newly calculated
Execution Time
6 seconds
User Input
None
Error
Number
Description
50300
The checksum is valid, the test succeeded
50301
The checksum is invalid
Example
DS:> 503
050300:
BootCode checksum is: 0xBABE5B6F, which is correct
Diagnostics checksum is: 0xBABEBAFF, which is correct
Download checksum is: 0xBABEEDBF, which is correct
Application checksum is: 0xBABE8EEC, which is correct
Test OK @
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