using enum in switch()

void test1(void)
{

typedef enum  

{_IDLE, _FORWARD, _RIGHT, _LEFT }

MOVE_STEP;

unsigned char suction_flag = 0, rmc;

MOVE_STEP  step = _IDLE;

Initialize_AccSlipCheck();

while(1)

{

AccSlipCheck();

rmc = GetRemocon();

switch(rmc)

{

case RMC_STOP:

step = _IDLE;

break;

case RMC_FORWARD:

step = _FORWARD;

break;

case RMC_RIGHT:

step = _RIGHT;

break;

case RMC_LEFT:

step = _LEFT;

break;

case RMC_BLOWUP:

suction_flag = 1;

break;

case RMC_BLOWDOWN:

suction_flag = 0;

break;

}

switch(step)

{

case _IDLE:

DriveStop();

break;

case _FORWARD:

DriveVelocity(25.0, 0.0);

break;

case _RIGHT:

DriveVelocity(0.0, -25.0);

break;

case _LEFT:

DriveVelocity(0.0, 25.0);

break;

}

if(suction_flag)

SuctionMotor(SUCTION_HIGH);

else

SuctionMotor(SUCTION_STOP);

}

}