POL_IDS={    "Circ_Plus": 1, "Circ_Minus": 2, "Lin_Hor":3, "Lin_Ver": 4, "Lin": 5}



def get_id_status(id):
    # 0 = ok 
    # 1 = Warning
    # 2 = Error
    # 3 = Not available
    if id<1 or id>2:    raise Exception("Invalid id")    
    return caget("X11MA-ID1-USER:STATUS" if (id==1) else "X11MA-ID2-USER:STATUS")

def get_id_error(id):
    # B0	(1) = PLC (Taper, Motor controller, Limitswitch....)
    # B1	(2) = Encoders (cabel, not referenced)
    # B2	(4) = FeedForward (PS off, PS defect, FF ausgeschaltet)
    # B3	(8) = Operator COntrol
    # B4	(16)= Moving Timeout (moving longer then 120 sec)
    # B5	(32)= Interlock (Orbit, Temperature...)\
    if id<1 or id>2:
        raise Exception("Invalid id")    
    return caget("X11MA-ID1-USER:ERROR-SOURCE" if (id==1) else "X11MA-ID2-USER:ERROR-SOURCE")



def get_id_pol(id, as_string=False): 
    # 1: Circ+
    # 2: Circ-
    # 3: Lin H
    # 4: Lin V
    # 5: LIn
    if id<1 or id>2: raise Exception("Invalid id")
    #ret = caget ("X11MA-ID1:MODE" if id==1 else "X11MA-ID2:MODE", 's' if as_string else  'i')
    ret = caget ("X11MA-ID1:MODE" if id==1 else "X11MA-ID2:MODE", 'i')
    if ret==0:
        #linear mode
        alpha = get_alpha_id(id)
        if alpha==0 : 
            ret = 3
        elif alpha==90: 
            ret = 4
        else:
            ret = 5
    if as_string:
        for (k,v) in POL_IDS.items():
            if v==ret:
                return k
        return "Unknown"
    return ret   

def get_alpha_id(id): 
    if id<1 or id>2:    raise Exception("Invalid id")     
    return caget ("X11MA-ID1:ALPHA" if id==1 else "X11MA-ID2:ALPHA")


def put_id_offset(id, v):
    if id<1 or id>2:
        raise Exception("Invalid id")	
    caput("X11MA-ID1:ENERGY-OFFS" if (id==1) else "X11MA-ID2:ENERGY-OFFS",v)

def get_id_offset(id):
    if id<1 or id>2:
        raise Exception("Invalid id")      
    return caget("X11MA-ID1:ENERGY-OFFS" if (id==1) else "X11MA-ID2:ENERGY-OFFS")	


def put_id_pol(id, pol, alpha=None):
    #pol = 1 : Mode =1, alpha = 0 circ +
    #pol = 2 : Mode =2, alpha = 0 circ -
    #pol = 3 : Mode =0, alpha = 0 lin hor
    #pol = 4 : Mode =0, alpha = 90 lin vert
    #pol = 5 : Mode =0, alpha = ? lin rot
    if id<1 or id>2:
        raise Exception("Invalid id")
        
    pv1="X11MA-ID1:MODE" if (id==1) else  "X11MA-ID2:MODE"
    pv2="X11MA-ID1:ALPHA" if (id==1) else "X11MA-ID2:ALPHA"


    if is_string(pol):
        pol=POL_IDS[v]
            
    if pol == 1:        
    	caput(pv1,1)
    elif pol == 2:
    	caput(pv1,2)
    elif pol == 3:
        caput(pv1,0)
        caput(pv2,0)
    elif pol == 4:
        caput(pv1,0)
        caput(pv2,0)
    elif pol == 5:
        caput(pv1,0)
        time.sleep(1.0)
        caput(pv2,alpha)