msg.py

from event import event_analyze
from cmd   import cmd_analyze
	
def acl_analyze(msg):
	handle = (msg[2] & 0x0f) * 256 + msg[1]
	pb = (msg[2] >> 4) & 0b11
	bc = (msg[2] >> 6) & 0b11
	len = msg[4] * 256 + msg[3]
	print 'ACL Data:  Handle: 0x%03X  PB_Flag: %d  BC_Flag: %d ' % (handle, pb, bc),
	print 'Data Len: 0x%04X' % len,
	pass
	
def sync_analyze(msg):
	handle = (msg[2] & 0x0f) * 256 + msg[1]
	ps = (msg[2] >> 4) & 0b11
	len = msg[3]
	print 'Sync Data:  Handle: 0x%03X  Packet_Status_Flag: %d ' % (handle, ps),
	print 'Data Len: 0x%02X' % len,
	pass

msg_tpye = [ { 'code' : 0x01, 'descript' : 'Command',   'analyze_fun' : cmd_analyze },
             { 'code' : 0x02, 'descript' : 'ACL Data',  'analyze_fun' : acl_analyze },
             { 'code' : 0x03, 'descript' : 'Sync Data', 'analyze_fun' : sync_analyze },
             { 'code' : 0x04, 'descript' : 'Event',     'analyze_fun' : event_analyze } ]

def msg_analyze(msg):
	for t in msg_tpye:
		if t['code'] == msg[0]:
			print '    ',
			t['analyze_fun'](msg)
			print
			print
			break