Ejemplo n.º 1
0
def page_read(node, page, num):
    
    seq_nos = {}

    vscpdif.send(class1=VSCP_CLASS1_PROTOCOL, type=24, data=[node, page, num]) # Page Read
    while True:
        response = vscpdif.get_response_match(class1=VSCP_CLASS1_PROTOCOL, type=26)
        if response:
            seq_no = response.data[0]
            seq_nos[seq_no] = response.data
            #print "seq_no: ", seq_no, " data:",
            #print ",".join(["%02x"%(el) for el in response.data[1:]]) # print as data arrives
        else:
            break
    
    # Check that all sequence numbers are there
    n = int(num / 7) + 1  # number of expected response events

    if False:
        for i in range(n):
            if i not in seq_nos:
                print "missing seq_no: ", i

    if True:
        for i in range(n):
            try:
                v = seq_nos[i]
                print "seq_no: %d   " % (i), ",".join(["%02x"%(el) for el in v[1:]])
            except KeyError:
                print "seq_no: %d  missing" % (i)
Ejemplo n.º 2
0
def probe(nn):
    """Probe for one node with nickname nn"""

    vscpdif.send(class1=VSCP_CLASS1_PROTOCOL, type=2, data=[nn]) # Probe
    response = vscpdif.get_response_match(class1=VSCP_CLASS1_PROTOCOL, type=3, tries=100, delay=0.001) # Probe ACK
    if response:
        return True

    return False
Ejemplo n.º 3
0
def probe(nn):
    """Probe for one node with nickname nn"""

    vscpdif.send(class1=VSCP_CLASS1_PROTOCOL, type=2, data=[nn])  # Probe
    response = vscpdif.get_response_match(class1=VSCP_CLASS1_PROTOCOL,
                                          type=3,
                                          tries=100,
                                          delay=0.001)  # Probe ACK
    if response:
        return True

    return False
Ejemplo n.º 4
0
def whoisthere():

    guids = {}
    vscpdif.send(class1=VSCP_CLASS1_PROTOCOL, type=31, data=[0xff]) # Who is there?
    while True:
        response = vscpdif.get_response_match(class1=VSCP_CLASS1_PROTOCOL, type=32, tries=10)
        if not response:
            break
        if response.guid not in guids:
            print "detected: ", response.guid
        guids[response.guid] = True

    return guids
Ejemplo n.º 5
0
def whoisthere():

    guids = {}
    vscpdif.send(class1=VSCP_CLASS1_PROTOCOL, type=31,
                 data=[0xff])  # Who is there?
    while True:
        response = vscpdif.get_response_match(class1=VSCP_CLASS1_PROTOCOL,
                                              type=32,
                                              tries=10)
        if not response:
            break
        if response.guid not in guids:
            print "detected: ", response.guid
        guids[response.guid] = True

    return guids
Ejemplo n.º 6
0
def read_register(node, reg):

    vscpdif.send(class1=VSCP_CLASS1_PROTOCOL, type=9, data=[node, reg]) # Read Register
    response = vscpdif.get_response_match(class1=VSCP_CLASS1_PROTOCOL, type=10)
    if not response:
        #print "no response"
        return None

    # Decode response and extract register and value
    register = int(response.data[0])
    value = int(response.data[1])

    # Cross check
    if reg <> register:
        print "ERROR read_register"
        return None

    return value
Ejemplo n.º 7
0
def write_register(node, reg, val):

    vscpdif.send(class1=VSCP_CLASS1_PROTOCOL, type=11, data=[node, reg, val]) # Write Register
    response = vscpdif.get_response_match(class1=VSCP_CLASS1_PROTOCOL, type=10)
    if not response:
        print "no response"
        return False

    # Decode response and extract register and value
    register = int(response.data[0])
    value = int(response.data[1])
    if reg != register:
        print "ERROR register"
        return False
    if val != value:
        print "ERROR value"
        return False

    return True
Ejemplo n.º 8
0
def discover_nickname():

    for i in range(1,255):
        nn_in_use = False
        for j in range(5):
            logger.debug("discover nickname %d/%d" % (i,j))
            send_probe(i)
            response = vscpdif.get_response_match(class1=VSCP_CLASS1_PROTOCOL, type=3)
            if response:
                # Nickname in use already. Don't probe this one again.
                nn_in_use = True
                break

        if nn_in_use:
            # Try next one.
            continue

        # Not in use, so it is available
        send_probe(i)
        REGISTER[NICKNAME] = i
        registers_write()
        logger.info("I'm node: %d", i)
        break
Ejemplo n.º 9
0
def discover_nickname():

    for i in range(1, 255):
        nn_in_use = False
        for j in range(5):
            logger.debug("discover nickname %d/%d" % (i, j))
            send_probe(i)
            response = vscpdif.get_response_match(class1=VSCP_CLASS1_PROTOCOL,
                                                  type=3)
            if response:
                # Nickname in use already. Don't probe this one again.
                nn_in_use = True
                break

        if nn_in_use:
            # Try next one.
            continue

        # Not in use, so it is available
        send_probe(i)
        REGISTER[NICKNAME] = i
        registers_write()
        logger.info("I'm node: %d", i)
        break