AGS grating angle display circuit and display method

The invention discloses an AGS grating angle display circuit and method, and the circuit comprises the steps: outputting an automatic calibration signal to an AGS grating motor module when a main control module is powered on; the AGS grid motor module carries out calibration based on the automatic calibration signal, and outputs a calibration success signal to the main control module based on the opening and closing angle of the AGS grid when the calibration is successful; the main control module outputs an angle display signal corresponding to the opening and closing angle to the display module based on the calibration success signal; the display module displays the opening and closing angle based on the angle display signal. The angle display signal is output based on the calibration success signal corresponding to the opening and closing angle of the AGS grating, and then the opening and closing angle is displayed based on the angle display signal, so that compared with a mode of detecting the quality of t