Onboard Integrated Information Display Platform

Drivers and cars are linked by the motor instruments, and the motor instruments incarnate the profundity of motor technology. The motor instruments is behindhand compared with the car as the all and the one. It is also far behind the development of foreign car industry, for example, they cover immovable space, the display accuracy is low, they are unreliable, and they have bad augment ability and efficiency. The mass movement for technical innovation and develop the new generation of motor instruments are imperative under the situation.I establish the onboard integrated information display system, including the collection of onboard integrated information, the transferring of bus data stream, the design of software and hardware of embedded system, the transplant of GUI and display in graphics.I take up with the research of the onboard integrated information display system, discuss thoroughly the design ideology and implementing means. And put forward the method of displaying the onboard integrated information using LCD.In the hardware segment of the system, by the way of principal and subordinate communication, I use some microcontrollers "Atmega8"as the subordinate to collect the onboard integrated information, and then pass the information to one microcontroller as the principal through LIN bus. The principal "Atmega8" pass the information to the main control chip" S3C44B0"through CAN bus, and then by using "S3C44B0", it can control the display of LCD. In the microcontroller software segment of the system, I realize the collection of the onboard integrated information., establishment of protocol and implement of function of LIN and CAN bus. In the embedded software segment of the system, I realize the transplant of μC/OS- II and GUI, compiling of the drive and application program.Compared to the conventional analog digital, the onboard integrated information display system have many preponderance. It can satisfy the demand of minitype, readability and sculpting are excellent. On the other hand, we can maintenance or upgrade the code conveniently. Due to the merit, it can retrench the time and energy.The research of this system is proved to be of great signification by practice. It is more readable, more accurate, more updatable and more extensible when the embedded instrument is applied. However, we need more improvements before application.