1 files changed, 74 insertions, 0 deletions
diff --git a/python/pi_send.py b/python/pi_send.py
new file mode 100755
index 0000000..114676c
--- /dev/null
+++ b/python/pi_send.py
@@ -0,0 +1,74 @@
+""" 
+    file: pi_send.py
+
+    Copyright (C) 2025 Private Island Networks Inc.
+
+"""
+import sys
+import argparse
+from socket import socket, AF_INET, SOCK_DGRAM
+from time import sleep
+
+VERSION = '0.1'  # 
+
+# Message Types
+MSG_TYPE_NULL = b'\x00'
+MSG_TYPE_WRITE = b'\x01'
+MSG_TYPE_READ = b'\x02'
+MSG_TYPE_NOTIFY_SUCCESS = b'\x03'
+MSG_TYPE_NOTIFY_ERROR = b'\x04'
+
+
+# Preset Messages 
+TEST_MSG = b'\x07\x00\x01\x03\x00\x04\x00'
+
+def send_msg(msg_type, msg_token, src_ipaddress, dest_ipaddress, port, address, data, interval, count):
+    try:
+        sko=socket(AF_INET,SOCK_DGRAM)
+        sko.bind((src_ipaddress,0x3000))
+        if msg_type == MSG_TYPE_WRITE:
+            msg = msg_type + msg_token + address + data
+        elif msg_type == MSG_TYPE_READ:
+            msg = msg_type + msg_token + address + data
+        else:   # send something that creates an error
+            msg = MSG_TYPE_NULL + msg_token + address + data
+            
+        sko.sendto(msg,(dest_ipaddress,port)) 
+            
+        print("success: message sent: ", count+1)        
+
+    except: 
+        
+        print("Controller Command failed in Exception: {0}", sys.exc_info())
+        sko.close()
+        sys.exit()
+    
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='Private Island Python Utility Interface', epilog='Version: ' + str(VERSION))
+    parser.add_argument('-a','--address',type=lambda x: int(x,0), default=0x0000, help='message address',action='store',required=False)
+    parser.add_argument('-c','--command',type=str, default="read", help='message type to send',action='store',required=False)
+    parser.add_argument('-d','--data',type=lambda x: int(x,0), default=0x0000, help='message data',action='store',required=False) 
+    parser.add_argument('-i','--ipaddress',default="192.168.5.100", help='Destination IP address',action='store', required=False)
+    parser.add_argument('-n','--number',type=int, default=1, help='number of times to send message',action='store',required=False) 
+    parser.add_argument('-p','--port',type=lambda x: int(x,0), default=0x9020, help='destination UDP port',action='store',required=False)
+    parser.add_argument('-s','--srcipaddress',default="192.168.5.40", help='Source IP address',action='store', required=False)
+    parser.add_argument('--token', type=lambda x: int(x,0), default=0x77, help='message token',action='store', required=False)
+    parser.add_argument('-t','--interval',type=float, default=0.100, help='time interval between each message',action='store',required=False)   
+    parser.set_defaults()
+    args = parser.parse_args()
+        
+    count = 0    
+    
+    if args.command == "write": 
+        msg_type =  MSG_TYPE_WRITE
+    else:
+        msg_type =  MSG_TYPE_READ 
+        
+    while count < args.number:
+        send_msg(msg_type, args.token.to_bytes(1), args.srcipaddress, args.ipaddress, args.port, args.address.to_bytes(2,'big'), \
+                args.data.to_bytes(4,'big'), args.interval, count)
+        count = count + 1
+        sleep(args.interval)
+        
+    print("exit")
+