AN1105 STMicroelectronics, AN1105 Datasheet - Page 47

• Manufacturer Part Number: AN1105
• Description: ST7 PCAN PERIPHERAL DRIVER
• Manufacturer: STMicroelectronics

3.2.2.4 static CAN_Transmit_Error CAN_In_Queue (CAN_Message* msg_to_queue)
Figure 22. CAN_In_Queue Flowchart
INPUT
OUTPUT
DESCRIPTION
COMMENTS
Returns CAN_TRANSMIT_SUCCESS
Returns CAN_TRANSMIT_FATAL
Returns CAN_FIFO_FULL
Queue in use
Pointer on a CAN message
Error code
Tests matching of IDs of received messages and software filters.
Possible return values: CAN_FIFO_FULL, CAN_TRANSMIT_SUCCESS and
CAN_TRANSMIT_FATAL.
Must not be interrupted
Called by CAN_Transmit_Request
Begin
Y
N
Unlocks queue
ST7 pCAN PERIPHERAL DRIVER
Y
Updates FIFO parameters
Unlocks queue
Locks queue
FIFO full
N
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