Introduction
This page gives an overview of can driver which is available as part of the Xilinx Vivado and SDK distribution.
How to Enable
Source path for the driver:
https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/can
The driver source code is organized into different folders. The below diagram shows the can driver source organization can.
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- Doc - Provides the API and data structure details
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Examples - Reference application to show how to use the driver APIs and calling sequence
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Source - Driver source files
Features Supported
Controller Features:
Industrial (I, –40 to +100°C junction temperature) and automotive/defense Q-Grade (Q, –40 to +125°C junction temperature) device support.
Supports both standard (11-bit identifier) and extended (29-bit identifier) frames
Supports bit rates up to 1 Mb/s • Transmit message FIFO with a user-configurable depth of up to 64 messages
Transmit prioritization through one high-priority transmit buffer
Automatic re-transmission on errors or arbitration loss • Receive message FIFO with a user-configurable depth of up to 64 messages
Acceptance filtering (through a user-configurable number) of up to four acceptance filters
Sleep mode with automatic wake up
Loopback mode for diagnostic applications
Maskable error and status interrupts
Readable error counters
Driver Supported Features
The CAN Standalone driver support the below things.
All controller features supported.
Test cases:
In AXI CAN, we are running below examples
xcan_polled_example.c
It configures the CAN controller in loop back mode with no interrupt enabled and verifies the data received with data sent.
xcan_intr_example.c
It configures the CAN controller in loop back mode with interrupts enabled and verifies the data received with data sent.
Successfully ran Can polled Example Successfully ran Can Interrupt Example |
Known Issues and Limitations
None
Change Log
2019.1
Summary:
None
2019.2
None
2020.1
None
2020.2
summary
can: Update Makefile for parallel make execution
Commits