Waveshare HAT - Codes; Initializing BCM2835 and Setting Pins; Choose Motor; Setting Microstepping

Stepper Motor HAT User Manual
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CODES
1. Initializing BCM2835 and setting pins
if(DEV_ModuleInit())
exit(0);
2. Choose Motor
DRV8825_SelectMotor(MOTOR1);
#Parameter: choose motor; MOTOR1, MOTOR2
3. Setting Microstepping
DRV8825_SetMicroStep(HARDWARD, "fullstep");
#Parameter 1: set control type; HARDWARE, SOFTWARD
#Parameter 2: set microstepping; "fullstep", "halfstep", "1/4step", "1/8step",
"1/16step", "1/32step"
4. Steps
DRV8825_TurnStep(BACKWARD, 200, 2);
#Parameter 1: control direction; FORWARD, BACKWARD
#Parameter 2: steps
#Parameter 2: delay for every step (ms)
5. Stop rotating
DRV8825_Stop();
6. Exception Handling
signal(SIGINT, Handler);