From 4cdd89a0fc92ff9151532a7eb1930fd3572b8ac2 Mon Sep 17 00:00:00 2001
From: Adolfo Delorenzo <adelorenzo@oe74.net>
Date: Fri, 12 Jul 2024 01:13:29 +0000
Subject: [PATCH] Add GPS2.py

---
 GPS2.py | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 GPS2.py

diff --git a/GPS2.py b/GPS2.py
new file mode 100644
index 0000000..46052c7
--- /dev/null
+++ b/GPS2.py
@@ -0,0 +1,75 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import RPi.GPIO as GPIO
+import sqlite3
+import serial
+import time, os
+
+# SQLite Database settings
+db_file = "gps_coordinates.db"
+conn = sqlite3.connect(db_file)
+cursor = conn.cursor()
+
+ser = serial.Serial('/dev/ttyS0',115200)
+ser.flushInput()
+
+def send_at(command,back,timeout):
+    rec_buff = ''
+    ser.write((command+'\r\n').encode())
+    time.sleep(timeout)
+    if ser.inWaiting():
+        time.sleep(0.01 )
+        rec_buff = ser.read(ser.inWaiting())
+    if rec_buff != '':
+        if back not in rec_buff.decode():
+            print(command + ' ERROR')
+            print(command + ' back:\t' + rec_buff.decode())
+            return 0
+        else:
+            print(rec_buff.decode())
+            return 1
+    else:
+        print('GPS is not ready')
+        return 0
+
+def get_gps_position():
+    rec_null = True
+    answer = 0
+    print('Iniciando GPS')
+    rec_buff = ''
+    send_at('AT+CGPS=1,1','OK',1)
+    time.sleep(2)
+    while rec_null:
+        answer = send_at('AT+CGPSINFO','+CGPSINFO: ',1)
+        if 1 == answer:
+            answer = 0
+            if ',,,,,,' not in rec_buff:
+                # Extract GPS information from rec_buff and store it in the database
+                gps_info = extract_gps_info(rec_buff)  # Implement this function based on the format of rec_buff
+                store_gps_coordinates(gps_info)
+                return True
+            else:
+                print('GPS is not ready')
+                time.sleep(1)
+        else:
+            print('error %d' % answer)
+            rec_buff = ''
+            send_at('AT+CGPS=0','OK',1)
+            return False
+        time.sleep(1.5)
+
+def extract_gps_info(rec_buff):
+    # Implement this function based on the format of rec_buff
+    # Example: gps_info = rec_buff.split(',')[2]
+    return gps_info
+
+def store_gps_coordinates(gps_info):
+    cursor.execute("INSERT INTO coordinates (latitude, longitude) VALUES (?, ?)", gps_info)
+    conn.commit()
+
+# Main program
+if __name__ == '__main__':
+    # Create the SQLite table if it doesn't exist
+    cursor.execute('''CREATE TABLE IF NOT EXISTS coordinates (id INTEGER PRIMARY KEY AUTOINCREMENT, latitude REAL, longitude REAL)''')
+    while True:
+        get_gps_position()
\ No newline at end of file