Interface for interchanging data between redundant programs for controlling a motor vehicle
A technology for motor vehicles and interfaces, applied in the field of electronic control units, can solve the problem of high cost, and achieve the effects of reducing development time, improving portability, and simple and direct research and development process.
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[0037] In order to specify the functional relationship first, figure 1 Shown is a microcontroller system 34 for controlling an electronic control unit of at least one motor vehicle system, for example a motor vehicle brake system. The microcontroller system here includes a first dual-core microcontroller unit 1, wherein the processor of the microcontroller unit is designed to be redundant.
[0038] The microcontroller unit 1 controls, for example, the braking system of a motor vehicle and includes the control software required for this and an interface 4 for connecting peripheral devices (for example, an analog-digital converter, PWM, timer, FlexRay, CAN), where the micro The operating system 5 included in the controller unit 1 can communicate with corresponding peripheral devices through the interface 4. The operating system 5 conforms to the standards of embedded real-time operating systems in the automotive field, such as the operating system standard OSEK-OS. According to th...
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