Method for on-line burning of flash of electric controller of automobile
An automotive electronics and controller technology, applied in electrical program control, comprehensive factory control, program control devices, etc., to achieve the effect of reducing production cost, volume, and design difficulty
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[0022] See figure 1 , The on-line programming method of Flash of automobile electronic controller of the present invention includes the following steps:
[0023] In the first step, the computer is connected to the car electronic controller through the CAN bus, and the computer is used as the main device to establish a logical connection with the car electronic controller using the CCP protocol.
[0024] See figure 2 , The computer is connected as the master device and the car electronic controller (as the slave device). The computer has a CAN bus interface card on the hardware, and the car ECU has a CAN bus driver on the hardware. The computer is connected to the car ECU through the CAN bus. The CAN bus interface card can be, for example, a CANape card from Vector. The computer also has CCP protocol master device driver software, including CCP protocol driver and CAN bus interface driver. Automobile ECU also has CCP protocol slave device driver software. The computer uses the C...
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