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AN1105 Fiches technique(PDF) 45 Page - STMicroelectronics |
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AN1105 Fiches technique(HTML) 45 Page - STMicroelectronics |
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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) Y EPND=1 N N SCIF=1 TXIF=1 RXIFi=1 N Y Y Y 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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