 English |
|
|
|
|
|
|
|
| AN3265 Datasheet, PDF (11/19 Pages) STMicroelectronics – Handling hardware and software failures with the STM8S-DISCOVERY | |||
| |||
| ◁ |
AN3265
Software description
2.3
Application software flowchart
2.3.1
Main loop flowchart
The code main loop initializes the required features, unlocks data EEPROM for writing and
calls the functions required to implement the general application algorithm.
Figure 4 shows the flowchart of the application software main loop.
Figure 4. Main loop flowchart
START
5NLOCK&LASH
#,+ #ONFIGURATION
'0)/ #ONFIGURATION
%84) #ONFIGURATION
##/ #ONFIGURATION
2ESET(ANDLING
ENABLE)NTERRUPTS
7$'3 #ONFIGURATION
3TATE?-ACHINE
5NLOCKS DATA %%02/- TO ENABLE BYTE PROGRAMMING
3ETS #05$)6 PRESCALER F-!34%2 F#05 F (3) -(Z
#ONFIGURES 0" 0" 0" 0" AS OUTPUT PUSH
PULL LOW TO DRIVE ,$ ,$
,$ AND ,$
#ONFIGURES 0" AS INPUT PULL
UP WITH INTERRUPTS TO HANDLE "UTTON
#ONFIGURES THE EXTERNAL INTERRUPT SENSITIVITY ON 0" TO FALLING EDGE
#ONFIGURES #,+?##/2 TO OUTPUT F#05 ON ##/ PIN 0%
4HIS FUNCTION PERFORMS ALL POST RESET REQUIRED ACTIONS
4HIS FUNCTION ENABLES ALL THE 34-3 INTERRUPTS
#ONFIGURES )7$' MAX REFRESH PERIOD TO S MAXIMUM POSSIBLE VALUE
#ONFIGURES 77$' MAX REFRESH PERIOD TO MS WITH A MS ILLEGAL
REFRESH WINDOW
)MPLEMENTS THE APPLICATION STATE MACHINE ACCORDING TO EXTERNAL EVENTS
GENERATED BY "UTTON AND "UTTON
4OGGLES THE ,%$S ACCORDINGLY TO MONITOR THE APPLICATION PROGRESS
AI
Doc ID 17860 Rev 1
11/19
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese