将cpp函数转成C语言函数void BasicStepperDriversetRPMfloat rpm if this-rpm == 0 begin尚未被调用旧10代码 beginrpm microsteps; this-rpm = rpm;

void setRPM(BasicStepperDriver *driver, float rpm) { if (driver->rpm == 0) { // begin()尚未被调用（旧1.0代码） begin(driver, rpm, driver->microsteps); } driver->rpm = rpm; }