Download Data Flash Access Library

Table of Contents
Chapter 1
Introduction ....................................................................... 10
Chapter 2
FDL Architecture ............................................................... 11
2.1
Flash Infrastructure ....................................................................................... 11
2.1.1
2.1.2
2.1.3
2.2
2.3
2.4
2.5
Layered software architecture...................................................................... 12
Data Flash Pools............................................................................................ 13
Safety Considerations ................................................................................... 14
Bit error checks ............................................................................................. 14
Chapter 3
3.1
User operation request structure...................................................................................21
Status and Error Codes ..................................................................................................23
FAL_CMD_ERASE ...........................................................................................................23
FAL_CMD_BLANKCHECK ..............................................................................................24
FAL_CMD_BITCHECK .....................................................................................................26
FAL_CMD_WRITE ............................................................................................................27
Library Functions .......................................................................................... 29
4.4.1
4.4.2
4.4.3
4.4.4
4.4.5
Chapter 5
5.1
5.2
5.3
User Interface (API) ........................................................... 19
Pre-compile configuration ............................................................................ 19
Run-time configuration ................................................................................. 19
Data Types ..................................................................................................... 21
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.4
Overview ...........................................................................................................................15
Delivery package directory structure and files ............................................................16
FDL Linker sections ...................................................................................... 18
MISRA Compliance ........................................................................................ 18
Chapter 4
4.1
4.2
4.3
FDL Implementation .......................................................... 15
File structure .................................................................................................. 15
3.1.1
3.1.2
3.2
3.3
Complementary Read Flash ...........................................................................................11
Dual operation..................................................................................................................11
Flash granularity ..............................................................................................................12
Initialization ......................................................................................................................29
Suspend / Resume ..........................................................................................................30
Standby / Wakeup ............................................................................................................32
Operational functions .....................................................................................................35
Administrative functions ................................................................................................39
Integration into the user application ................................ 41
First steps ...................................................................................................... 41
Application sample ........................................................................................ 41
Special considerations ................................................................................. 41
5.3.1
5.3.2
5.3.3
Function reentrancy ........................................................................................................41
Task switch, context change and synchronization between functions .....................41
Concurrent Data Flash accesses ...................................................................................41
R01US0045ED Rev. 1.01
User Manual
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