Attach a function to call whenever a CAN frame received interrupt is generated.

This function locks the deep sleep while a callback is attached

Parameters

func	A pointer to a void function, or 0 to set as none
type	Which CAN interrupt to attach the member function to (CAN::RxIrq for message received, CAN::TxIrq for transmitted or aborted, CAN::EwIrq for error warning, CAN::DoIrq for data overrun, CAN::WuIrq for wake-up, CAN::EpIrq for error passive, CAN::AlIrq for arbitration lost, CAN::BeIrq for bus error)

Filter out incoming messages.

Parameters

id	the id to filter on
mask	the mask applied to the id
format	format to filter on (Default CANAny)
handle	message filter handle (Optional)

Returns

0 if filter change failed or unsupported, new filter handle if successful

Set the frequency of the CAN interface.

Parameters

hz	The bus frequency in hertz

Returns

1 if successful, 0 otherwise

Change CAN operation to the specified mode.

Parameters

mode	The new operation mode (CAN::Normal, CAN::Silent, CAN::LocalTest, CAN::GlobalTest, CAN::SilentTest)

Returns

0 if mode change failed or unsupported, 1 if mode change was successful

Puts or removes the CAN interface into silent monitoring mode.

Parameters

silent

boolean indicating whether to go into silent mode or not

Detects read errors - Used to detect read overflow errors.

Returns

number of read errors

Read a CANMessage from the bus.

Parameters

msg	A CANMessage to read to.
handle	message filter handle (0 for any message)

Returns

0 if no message arrived, 1 if message arrived

Reset CAN interface.

To use after error overflow.

Detects write errors - Used to detect write overflow errors.

Returns

number of write errors

Write a CANMessage to the bus.

Parameters

msg	The CANMessage to write.

Returns

0 if write failed, 1 if write was successful