i was working on new code when i read ur post. hope this helps
thanks
#include "MotorMaster.h"
MotorMaster myMotorMaster = MotorMaster();
void setup()
{
myMotorMaster.begin(BUSA);
Serial.begin(9600);
}
void loop()
{
while(Serial.available() == 8);
int R = Serial.read();
int L = Serial.read();
myMotorMaster.drive(COILA, R);
myMotorMaster.drive(COILB, L);
Serial.flush
}