Development Scope
Device and interface access
Adapt authorized serial port or CAN diagnostic protocol to develop device identification, fault reading, real-time parameter and log export interfaces.
Product business functions
Adapt authorized serial port or CAN diagnostic protocol to develop fault reading, log packaging, remote collaboration and maintenance reports.
Platform and data connection
Combined with the business link of on-site tasks or measurements → device identification and recording → local storage → 4G synchronization → enterprise archiving and operation feedback, the device identity, data fields, update time, abnormal status and result confirmation method are defined.
Exception handling and operational constraints
Diagnostic reading and parameter writing are authorized separately; protocol data, firmware version and device model form a clear adaptation list.
Data and Operational Workflow
On-site connection equipment → Read faults and parameters → Local diagnostic records → 4G upload → Remote collaboration and maintenance reports.
The device side, communication side and platform side retain necessary status and logs respectively. Project integration testing is checked with actual equipment data and execution results, and network connection status and business completion status are recorded separately.
Project Inputs
- Existing device models, interface and wiring diagrams, licensing agreements, data samples and available codes.
- Business processes and parameters: diagnostic protocol authorization, device version, read and write permissions, and log format.
- Target location, operator, SIM/APN, power supply, installation method and equipment size.
- Existing platform interfaces, user roles, development modules, number of prototypes and planned nodes.
Deliverables and Acceptance
| Deliverables | Delivery content | Verification method |
|---|---|---|
| product realization | Hardware design data, prototypes or existing equipment modification data involved in the project, as well as corresponding firmware and interfaces | Check the fault code and parameter explanation. |
| Business integration testing | Data fields, status definitions, platform adaptation procedures and business integration testing records | Test different target versions with communication interruptions. |
| Version and test data | Target hardware and software versions, build or deployment instructions, parameter configurations and test logs | Verify log packages, permissions and remote collaboration records. |
First confirm the scope and key functions, then complete prototype or software development, system integration testing and stage acceptance. The acceptance conditions list the prototype, version, environment, duration and passing threshold; source code, design documents, third-party licenses, materials, traffic, cloud resources and on-site work are agreed separately.
Frequently Asked Questions
Only the CAN interface can be developed without protocol data?+
The interface itself is not sufficient to determine the business fields. You should first obtain a licensing agreement or equipment data and prototypes that can be used for verification, and then confirm the readable data and development scope.
Can I entrust only part of the functions of the device diagnostic tool?+
The device interface, terminal program, 4G communication and platform integration testing can be split based on the existing R&D foundation. Please provide existing data and target boundaries, first check the "diagnostic protocol authorization, device version, read and write permissions and log format", and then clarify the deliverables and interface responsibilities of each module.
How are costs and cycle time assessed?+
Split the workload based on target devices, interfaces, existing data, and verification criteria. This project focuses on checking the diagnostic protocol authorization, device version, read and write permissions, and log format; when prototypes, on-site integration testing, or third-party platform cooperation are required, the corresponding costs, prerequisites, and milestones will be listed separately.
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