CodePudding user response:
Serial port receives notice suspend instruction, digital tube suspended,CodePudding user response:
This is used to open automatic-shift will not use the manual? Directly on the keyboard input of gpio interrupt or read regularly judgment level, triggered, will give a signal or status word, continue for a period of time trigger, began to control external other gpio.CodePudding user response:
To do a serial port communication well first, and then parse a serial port protocol, after parsing the pause command to stop digital tube