Abstract
In order to be convenient for industrial application,the stepping motor controller with human-computer interaction was designed.The controller has its special instruction set.User could accomplish the design of application program,selection of self-defined images and the setting of registers by using the program compiling software running on PC.With the serial bus,aforesaid information was sent to stepping motor controller by program compiling software and stored in nonvolatile memory.The application program was read,interpreted and executed by stepping motor controller.The LCD of the system displayed operating information in real time.Also,keyboard was included in the system,so the user could modify the program or register parameter in the field.The Cortex-M3 based ARM controller,which had rich on-chip peripherals,was the core of the system.The design of system instruction set,human-computer interaction keyboard,nonvolatile memory and the LCD were analyzed in detail.At last,the system displaying result was given.The test result shows that LCD displaying information is synchronous to user command,and data storing of the nonvolatile memory is reliable.This system runs well in the application.
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