From ad54866a040931cbdcc685bfe0a46fd1f3078392 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=94=D0=BC=D0=B8=D1=82=D1=80=D0=B8=D0=B9=20=D0=9F=D1=83?=
 =?UTF-8?q?=D0=BD=D0=BE=D0=B2?= <punov.dv@phystech.edu>
Date: Mon, 28 Nov 2022 01:54:15 +0300
Subject: [PATCH] =?UTF-8?q?=D0=97=D0=B0=D0=B3=D1=80=D1=83=D0=B7=D0=B8?=
 =?UTF-8?q?=D0=BB(=D0=B0)=20=D1=84=D0=B0=D0=B9=D0=BB=D1=8B=20=D0=B2=20'Pro?=
 =?UTF-8?q?ject'?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Project/analize.py          | 38 +++++++++++++++++++++++++++++++++++++
 Project/rw_device_params.py | 33 ++++++++++++++++++++++++++++++++
 2 files changed, 71 insertions(+)
 create mode 100644 Project/analize.py
 create mode 100644 Project/rw_device_params.py

diff --git a/Project/analize.py b/Project/analize.py
new file mode 100644
index 0000000..9a30643
--- /dev/null
+++ b/Project/analize.py
@@ -0,0 +1,38 @@
+from scipy.optimize import curve_fit
+from numpy import linspace
+
+from numpy import tanh
+from scipy.constants import e, k
+
+
+import pandas as pd
+
+
+# Global variables
+
+new_U = linspace(-25, 25, 1000)
+
+
+# Function for approximation
+
+
+def function_IU(U, I_n, T_e):
+    return I_n * tanh(e*U/2/k/T_e)
+
+# Find the best fit params of In and Te
+
+
+def find_FitParams(data_I, data_U):
+    popt, pcov = curve_fit(function_IU, data_U, data_I, p0=[0, 50000])
+    return popt, pcov
+
+# Returns pandas.DataFrame with approximated Current and Voltage values
+
+
+def getApproxValues(data):
+    data = data.sort_values(by=['U'])
+    popt, pcov = find_FitParams(data['I'], data['U'])
+    df = pd.DataFrame()
+    df['U'] = new_U
+    df['I'] = function_IU(df['U'], *popt)
+    return df
diff --git a/Project/rw_device_params.py b/Project/rw_device_params.py
new file mode 100644
index 0000000..bf44fb0
--- /dev/null
+++ b/Project/rw_device_params.py
@@ -0,0 +1,33 @@
+# Dict for all devices params
+
+all_params = {'func': 0, 'status': 1, 'name': 2,
+              'id': 3, 'type_of_connection': 4, 'baud_rate': 5}
+
+# Read device params from .dat device file
+
+
+def read_device_params(name):
+    file = open('data/{}.dat'.format(name), 'r')
+    params = file.readline().split()
+    file.close()
+    return params
+
+# Change device params in .dat device file
+
+
+def write_device_params(name, param, value):
+
+    try:
+        file = open('data/{}.dat'.format(name), 'r+')
+        params = file.readline().split()
+        if value != '':
+            params[all_params[param]] = str(value)
+        else:
+            params[all_params[param]] = 'none'
+        file.seek(0)
+        file.truncate()
+        file.write(' '.join(params))
+        file.close()
+
+    except IndexError:
+        print('ErrorType = FileError: File.dat for this device does not exist')
\ No newline at end of file