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adding set_timeout method for dynamically setting timeout

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This commit is contained in:
Simon 2021-01-04 22:03:46 -05:00
parent fcfdac4c93
commit 34451fc856
1 changed files with 10 additions and 8 deletions
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18
plx_gpib_ethernet/plx_gpib_ethernet.py
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@ -5,18 +5,12 @@ class PrologixGPIBEthernet:
PORT = 1234
def __init__(self, host, timeout=1):
# see user manual for details on accepted timeout values
# https://prologix.biz/downloads/PrologixGpibEthernetManual.pdf#page=13
if timeout < 1e-3 or timeout > 3:
raise ValueError('Timeout must be >= 1e-3 (1ms) and <= 3 (3s)')
self.host = host
self.timeout = timeout
self.socket = socket.socket(socket.AF_INET,
socket.SOCK_STREAM,
socket.IPPROTO_TCP)
self.socket.settimeout(self.timeout)
self.timeout = 0
self.set_timeout(timeout)
def connect(self):
self.socket.connect((self.host, self.PORT))
@ -40,6 +34,14 @@ class PrologixGPIBEthernet:
self.write(cmd)
return self.read(buffer_size)
def set_timeout(self, timeout):
# see user manual for details on accepted timeout values
# https://prologix.biz/downloads/PrologixGpibEthernetManual.pdf#page=13
if timeout < 1e-3 or timeout > 3:
raise ValueError('Timeout must be >= 1e-3 (1ms) and <= 3 (3s)')
self.timeout = timeout
self.socket.settimeout(self.timeout)
def _send(self, value):
encoded_value = ('%s\n' % value).encode('ascii')
self.socket.send(encoded_value)