"基于STC89C52的M法、T法测速单片机程序设计说明"

外部中断 and timer of this single-chip computer to sample the output pulses of the encoder to calculate the speed of the motor. The M-law, T-law velocity measurement parameters such as Z, Tc, and Tt can be adjusted using key inputs to select the measurement method and enhance the adaptability of this design. The selected parameters and motor speed calculation results are displayed on the LCD1602. Keywords: STC89C52, M-law, T-law velocity measurement, LCD1602, motor speed. This design presents a single-chip computer program for M-law and T-law velocity measurement. The program utilizes the STC89C52 microcontroller as the main controller and employs its external interrupt and timer functions to sample the pulses from an encoder for calculating the speed of a motor. The user can adjust the parameters for the M-law and T-law velocity measurement methods, such as Z, Tc, and Tt, through key input to select the appropriate measurement method and enhance the versatility of the design. The results of the parameter selection and motor speed calculation are displayed on an LCD1602 screen. The program starts by initializing the necessary peripherals and variables, including setting up the external interrupt and timer for sampling the encoder pulses. The user can then input the parameters for the M-law and T-law velocity measurement methods through the keypad. The program will calculate the motor speed based on the selected method and display the results on the LCD1602 screen. Overall, this single-chip computer program provides a flexible and user-friendly solution for M-law and T-law velocity measurement. By utilizing the capabilities of the STC89C52 microcontroller and incorporating key input for parameter selection, this program offers a customizable and adaptable approach to motor speed measurement. The LCD1602 display allows for easy visualization of the measurement results, making it suitable for various applications in motion control systems.