Commit cb568e88d79b3bf31cf92eef8aea1e9f6b2817c7
1 parent
9af9f93f99
Exists in
master
Add Lakeshore LS350 support over ethernet
Showing 1 changed file with 70 additions and 0 deletions Inline Diff
instruments/LS350.py
| File was created | 1 | from abstract_instrument import abstract_instrument | ||
| 2 | import socket | |||
| 3 | ||||
| 4 | #============================================================================== | |||
| 5 | ||||
| 6 | ALL_VAL_TYPE = ['TEMP', 'RES'] | |||
| 7 | ALL_CHANNELS = ['a', 'b', 'c', 'd'] | |||
| 8 | ||||
| 9 | ADRESS = "192.168.0.12" | |||
| 10 | CONF_VAL_TYPE = ['krdg?', 'srdg?'] | |||
| 11 | ||||
| 12 | #============================================================================== | |||
| 13 | ||||
| 14 | class LS350(abstract_instrument): | |||
| 15 | def __init__(self, channels, vtypes, adress): | |||
| 16 | self.adress = adress | |||
| 17 | self.port = 7777 | |||
| 18 | self.channels = channels | |||
| 19 | self.vtypes = vtypes | |||
| 20 | ||||
| 21 | def model(self): | |||
| 22 | #self.send("*IDN?") | |||
| 23 | #return self.read() | |||
| 24 | return "LS350" | |||
| 25 | ||||
| 26 | def connect(self): | |||
| 27 | print('Connecting to device @%s:%s...' %(self.adress, self.port)) | |||
| 28 | self.sock = socket.socket(socket.AF_INET, | |||
| 29 | socket.SOCK_STREAM, | |||
| 30 | socket.IPPROTO_TCP) | |||
| 31 | self.sock.settimeout(10.0) # Don't hang around forever | |||
| 32 | self.sock.connect((self.adress, self.port)) | |||
| 33 | print(' --> Ok') | |||
| 34 | print(self.model()) | |||
| 35 | self.configure() | |||
| 36 | ||||
| 37 | def configure(self): | |||
| 38 | self.strCh = '' | |||
| 39 | for ch in self.channels: | |||
| 40 | self.strCh = self.strCh + '%s %s;'%(CONF_VAL_TYPE[ALL_VAL_TYPE.index(self.vtypes[self.channels.index(ch)])], ch) | |||
| 41 | self.strCh = self.strCh[0:-1] | |||
| 42 | print(self.strCh) | |||
| 43 | ||||
| 44 | def getValue(self): | |||
| 45 | self.send(self.strCh) | |||
| 46 | return self.read() | |||
| 47 | ||||
| 48 | def read(self): | |||
| 49 | self.send("++read eoi") | |||
| 50 | ans = '' | |||
| 51 | nb_data_list = [] | |||
| 52 | nb_data = '' | |||
| 53 | try: | |||
| 54 | while ans != '\n': | |||
| 55 | ans = self.sock.recv(1) | |||
| 56 | nb_data_list.append(ans) # Return the number of data | |||
| 57 | list_size = len(nb_data_list) | |||
| 58 | for j in range (0, list_size): |