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Copy pathserver_v2_HybridSID - handshake.py
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server_v2_HybridSID - handshake.py
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import serial
import socket, struct
import time
HOST = 'localhost'
PORT = 6581
BAUD = 115200
COMPORT = 5
# Request commands:
command_list = [ 'FLUSH',
'TRY_SET_SID_COUNT',
'MUTE',
'TRY_RESET',
'TRY_DELAY',
'TRY_WRITE',
'TRY_READ',
'GET_VERSION',
'TRY_SET_SAMPLING',
'TRY_SET_CLOCKING',
'GET_CONFIG_COUNT',
'GET_CONFIG_INFO',
'SET_SID_POSITION',
'SET_SID_LEVEL',
'TRY_SET_SID_MODEL' ]
# Response:
OK, BUSY, ERR, READ, VERSION, COUNT, INFO = range( 7 )
PHI2 = 985248
def send_OK():
conn.send( struct.pack( '!B', OK ) )
def send_BUSY():
conn.send( struct.pack( '!B', BUSY ) )
def send_VERSION():
conn.send( struct.pack( '!BB', VERSION, 2 ) )
def send_COUNT():
conn.send( struct.pack( '!BB', COUNT, 2 ) )
def send_INFO( sid_number ):
MOS_6581 = 0
MOS_8580 = 1
sid_list = [ '6581', '8580' ]
name_template = 'HybridSID %s\x00'
name = name_template % sid_list[ sid_number ]
conn.send( struct.pack( '!BB%ss' % len( name ), INFO, MOS_8580, name.encode('utf-8') ) )
class ACID64Closed:
pass
ser = None
while True:
while ser is None:
#try:
ser = serial.Serial( 'COM%s' % COMPORT, timeout=0, baudrate=BAUD)
print( 'using COM%s' % COMPORT)
#ser.write( 0x01 )
#break
#quit()
#except:
# quit()
#else:
# print( 'no serial device found')
# time.sleep( 0.5 )
s = socket.socket( socket.AF_INET, socket.SOCK_STREAM )
s.bind( ( HOST, PORT ) )
print( 'listening on port %s' % PORT)
s.listen( 1 )
conn, address = s.accept()
print( 'connected')
try:
status = ''
paused = 0
cycles = 0
byte_count = 0
previous_time = time.time()
start = time.time()
while True:
##print( time.time() - start, cycles / float( PHI2 ))
if paused == 1:
status = ser.read()
if len(status) > 0 :
if status == b'S':
paused = 0
else:
data = b''
while len( data ) < 4:
d = conn.recv( 4 - len( data ) )
if len( d ) != 0:
data += d
else:
raise ACID64Closed
command, sid_number, data_length = struct.unpack( '!BBH', data )
data = b''
while len( data ) < data_length:
d = conn.recv( data_length - len( data ) )
if len( d ) != 0:
data += d
else:
raise ACID64Closed
assert command < len( command_list ), 'Unknown command: command = %s, sid_number = %s, data_length = %s.' % ( command, sid_number, data_length )
##print( '%s: #%s, [%s]' % ( command_list[ command ], sid_number, data_length ))
if command == 0: # FLUSH
cycles = 0
start = time.time()
send_OK()
elif command == 1: # TRY_SET_SID_COUNT
print( ' sid count: %s' % sid_number)
send_OK()
elif command == 2: # MUTE
voice, enable = struct.unpack( '!BB', data )
print( '[%s] voice: %s, enable: %s' % (sid_number, voice, enable) )
send_OK()
elif command == 3: # TRY_RESET
volume_register_value, = struct.unpack( '!B', data )
print( '[%s] volume register value: %s' % (sid_number, volume_register_value) )
send_OK()
elif command == 4: # TRY_DELAY
##if time.time() - start < cycles / float( PHI2 ):
## print( 'busy')
## send_BUSY()
##else:
## delay, = struct.unpack( '!H', data )
## cycles += delay
## print( ' delay: %s' % delay)
ser.write( struct.pack( '!sBB', data, 30, 0 ) )
send_OK()
elif command == 5: # TRY_WRITE
##if time.time() - start < cycles / float( PHI2 ):
## print( 'busy')
## send_BUSY()
##else:
## for i in range( 0, data_length, 4 ):
## delay, register, value = struct.unpack( '!HBB', data[ i : i + 4 ] )
## cycles += delay
## ##print( ' delay: %s, register: %s, value: %s' % ( delay, register, value ))
## ##ser.write( data[ i : i + 4 ] )
ser.write( data )
status = ser.read()
if len(status) > 0 :
print( status)
#if status == b'S':
# paused = 0
# #print( 'START')
if status == b'E':
paused = 1
print( ' FPGA requested pause, buffer full...')
#print( '>>>>>>BUSY')
send_OK()
#print( '>>>>>>OK')
byte_count += data_length
current_time = time.time()
if previous_time + 0.1 < current_time:
print( '[%s] %s Bytes/s, block size: %s' % (sid_number, int( byte_count / ( current_time - previous_time ) ), data_length ) )
byte_count = 0
previous_time = current_time
elif command == 6: # TRY_READ
assert False, 'not implemented'
elif command == 7: # GET_VERSION
assert data_length == 0
send_VERSION()
elif command == 8: # TRY_SET_SAMPLING
resampling_method, = struct.unpack( '!B', data )
print( '[%s] resampling method: %s quality' % ( sid_number, 'low' if resampling_method == 0 else 'high' ))
send_OK()
elif command == 9: # TRY_SET_CLOCKING
clock_source_speed, = struct.unpack( '!B', data )
print( '[%s] clock source speed: %s' % ( sid_number, 'PAL' if clock_source_speed == 0 else 'NTSC' ))
send_OK()
elif command == 10: # GET_CONFIG_COUNT
send_COUNT()
elif command == 11: # GET_CONFIG_INFO
send_INFO( sid_number )
elif command == 12: # SET_SID_POSITION
position, = struct.unpack( '!B', data )
print( '[%s] position: %s' % (sid_number, position) )
send_OK()
elif command == 13: # SET_SID_LEVEL
assert False, 'not implemented'
elif command == 14: # TRY_SET_SID_MODEL
model, = struct.unpack( '!B', data )
print( '[%s] model: %s' % (sid_number, model) )
send_OK()
except ACID64Closed:
print( 'ACID 64 closed')
except socket.error as text:
print( 'socket.error:', text)
except serial.serialutil.SerialTimeoutException:
conn.close()
s.close()
ser = None
print( 'serial device removed')
time.sleep( 1 ) # Wait a bit before enumerating the COM ports again.