AN1105 datasheet(45/100 Pages) STMICROELECTRONICS

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AN1105 Datasheet(PDF) 45 Page - STMicroelectronics

Part #	AN1105

Description	ST7 pCAN PERIPHERAL DRIVER

PDF	100 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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45 / 100 page

45/100

ST7 pCAN PERIPHERAL DRIVER

3.2.2.2 static IT_Type CAN_Get_IT_Type(void)

Figure 20. CAN_Get_IT_Type Flowchart

INPUT

OUTPUT

Generic type of the event that caused the IT

DESCRIPTION

Tests matching of IDs of received messages and software filters.

If the DEBUG option is defined, checks the IT Error flags first. Otherwise checks the

Reception ITs first.

Possible status returned: ITRECEPT for reception IT, ITTRANSMIT for transmission

IT and ITERR for error IT.

COMMENTS

Called by CAN_Interrupt.

Begin (Case DEBUG)

EPND=1

SCIF=1

TXIF=1

RXIFi=1

Begin (Case no DEBUG)

SCIF=1

if status_

change_notification

TXIF=1

RXIFi=1

SCIF=1

change_notification

if not status_

Returns ITTRANSMIT

Returns ITRECEPT

Returns ITSCIF

Returns ITERR

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