CAN Bus

Learning the CAN Bus Communication Protocol: (6) How to Avoid Long Execution Times in Interrupt Service Routines During CAN Interrupt Reception

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Learning the CAN Bus Communication Protocol: (6) How to Avoid Long Execution Times in Interrupt Service Routines During CAN Interrupt Reception

Click the blue text Follow us 1. Problem Description Performing a large number of complex operations during CAN interrupt data reception can indeed lead to long execution times for the Interrupt Service Routine (ISR). This may cause issues such as missing other interrupt requests and affecting the real-time performance of the system. Since the ISR … Read more

Common Faults of CAN Bus and Multimeter Troubleshooting Methods

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Common Faults of CAN Bus and Multimeter Troubleshooting Methods

Methods for Testing the CAN Bus① Before checking the data bus system, ensure that all electronic control units (ECUs) connected to the data bus are free of functional faults. A functional fault refers to a failure that does not directly affect the data bus system but impacts the functional flow of a specific system. For … Read more

Learning the CAN Bus Communication Protocol – CANopen Protocol

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Learning the CAN Bus Communication Protocol - CANopen Protocol

Click the blue text Follow us 1. Definition and Background CANopen is a high-level protocol based on the CAN (Controller Area Network) bus, used for communication between devices in various fields such as industrial automation, vehicles, ships, and medical equipment. It is an application layer protocol built on top of the CAN physical layer and … Read more

In-Depth Analysis of Independent CAN Bus Interfaces CAN0 and CAN1 in Embedded Systems

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In-Depth Analysis of Independent CAN Bus Interfaces CAN0 and CAN1 in Embedded Systems

In embedded systems and industrial equipment, the CAN bus is widely used in various scenarios as an efficient and reliable communication protocol. CAN0 and CAN1, as two independent CAN bus interface identifiers, are fundamentally distinguished by their physical channel separation and application scenarios. This article will delve into the differences between CAN0 and CAN1 from … Read more

Detailed Explanation of CAN Bus

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Detailed Explanation of CAN Bus

1 Introduction CAN stands for Controller Area Network, which is a serial communication network capable of achieving distributed real-time control. Advantages: The transmission speed can reach up to 1 Mbps, with a maximum communication distance of 10 km, a lossless arbitration mechanism, and a multi-master structure. In recent years, the price of CAN controllers has … Read more

CAN Bus to DeviceNet – ADFweb Gateway Converter

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CAN Bus to DeviceNet - ADFweb Gateway Converter

CAN Bus to DeviceNet—ADFweb Gateway Converter– Guangzhou Xinyu IoT Author: Zou Wuyi Mobile185-020-77899 Email: [email protected] 1 Features: The CAN Bus to DeviceNet gateway has the following features: Realizes bidirectional information transmission between the CAN bus and DeviceNet network; Provides electrical isolation between the two buses; Can read CAN bus frames from DeviceNet frames; Can write … Read more

Understanding ECU Wake-up, Sleep, and Reset

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Understanding ECU Wake-up, Sleep, and Reset

This article focuses on the wake-up, sleep, and reset of the ECU, examining whether your understanding aligns with these concepts. 1. ECU Wake-up To clarify the ECU wake-up process, we must study the corresponding hardware schematic. The essence of ECU wake-up is to supply power to the ECU. For better understanding, this article simplifies a … Read more

EcuBus-Pro Comprehensive User Guide with PCAN-FD

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EcuBus-Pro Comprehensive User Guide with PCAN-FD

Introduction EcuBus-Pro is an open-source project designed to provide communication protocols and tools for automotive electronic control units (ECUs), enabling developers to interact with vehicle ECUs for diagnostics, debugging, data logging, and performance optimization. It has the following main features: Open-source and free User-friendly interface Cross-platform support (Windows, Linux, MacOS) Multi-hardware compatibility, including PEAK, KVASER, … Read more

Understanding Buses in Communication Systems

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Understanding Buses in Communication Systems

In previous articles, we have completed discussions related to module testing. Starting from this section, we will introduce tests related to PACK, beginning with some knowledge about communication to lay the groundwork for subsequent chapters. In communication, we often encounter the term bus, such as address bus, data bus, control bus, etc. The English term … Read more