UM0563 Datasheet, PDF (38/46 Pages) STMicroelectronics – L9952GXP software driver user manual

Dynamic view of the L9952GXP software driver functions
UM0563
Figure 8. L9952drv_SetStandbyMode (L9952DRV_STANDBYMODE_V1) function
L9952GXP
s/w driver user
L9952GXP
s/w driver
L9952GXP
SPI adaptation
layer
SPI driver
L9952GXP
device
L9952drv_Wdg
Trigger ()
L9952DRV_AL_
SPI_WR()
SPI_WR()
SPI 24 bit
communication
data transfer
Should be close to
watchdog triggering
L9952drv_SetSt
andbyMode()
L9952DRV_AL_
SPI_WR()
SPI_WR()
SPI 24 bit
communication
data transfer
Microcontroller should go
to halt mode now
L9952DRV_AL_
SPI_WR()
SPI_WR()
SPI 24 bit
communication
data transfer
1. The hardware layer is depicted with a grey background and the software layer is depicted with a white
background.
Figure 9. L9952drv_ClearStatusRegister() function
L9952GXP
s/w driver user
L9952GXP
s/w driver
L9952GXP
SPI adaptation
layer
SPI driver
L9952GXP
device
L9952drv_Clear
StatusRegisters()
L9952DRV_AL_
SPI_WR()
SPI_WR()
SPI 24 bit
communication
data transfer
L9952DRV_AL_
SPI_WR()
SPI_WR()
SPI 24 bit
communication
data transfer
1. The hardware layer is depicted with a grey background and the software layer is depicted with a white
background.
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