Merge pull request #85 from jtilahun/monotonic

Use the monotonic clock to measure time elapsed
pyvisa · Oct 30, 2023 · f1e254c · f1e254c
2 parents 8052150 + c1d9651
commit f1e254c
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/pyvisa_sim/sessions/serial.py b/pyvisa_sim/sessions/serial.py
@@ -36,11 +36,11 @@ def read(self, count: int) -> Tuple[bytes, constants.StatusCode]:
 
         last_bit, _ = self.get_attribute(constants.ResourceAttribute.asrl_data_bits)
         mask = 1 << (last_bit - 1)
-        start = time.time()
+        start = time.monotonic()
 
         out = b""
 
-        while time.time() - start <= timeout:
+        while time.monotonic() - start <= timeout:
             last = self.device.read()
 
             if not last:

diff --git a/pyvisa_sim/sessions/session.py b/pyvisa_sim/sessions/session.py
@@ -214,11 +214,11 @@ def read(self, count: int) -> Tuple[bytes, constants.StatusCode]:
         timeout, _ = self.get_attribute(constants.ResourceAttribute.timeout_value)
         timeout /= 1000
 
-        start = time.time()
+        start = time.monotonic()
 
         out = b""
 
-        while time.time() - start <= timeout:
+        while time.monotonic() - start <= timeout:
             last = self.device.read()
 
             if not last: