first commit

sc55text.py

@@ -0,0 +1,51 @@
+import sys
+import re
+
+def create_text_sysex(text):
+    if not text:
+        text = "EMPTY"
+    
+    if len(text) > 32:
+        print("Text cannot be longer than 32 symbols.")
+        sys.exit(1)
+        
+    model_id = 0x45
+    address = [0x10, 0x00, 0x00]
+    
+    text_bytes = [ord(char) for char in text]
+    
+    def calc_checksum(addr, payload):
+        total = sum(addr) + sum(payload)
+        return (128 - (total % 128)) % 128
+
+    checksum = calc_checksum(address, text_bytes)
+    
+    full_packet = bytes([0xF0, 0x41, 0x10, model_id, 0x12] + address + text_bytes + [checksum] + [0xF7])
+    
+    return full_packet
+
+def sanitize_filename(text):
+    name = text.replace(" ", "_")
+    name = re.sub(r'[\\/*?:"<>|]', "", name)
+    name = name.strip(". ")
+    return name if name else "output"
+
+if __name__ == "__main__":
+    input_text = " ".join(sys.argv[1:])
+    
+    if not input_text:
+        print("Usage: python sc55text.py [text]")
+        sys.exit(1)
+
+    sysex_data = create_text_sysex(input_text)
+
+    safe_name = sanitize_filename(input_text)
+    filename = f"{safe_name}.syx"
+    
+    try:
+        with open(filename, "wb") as f:
+            f.write(sysex_data)
+        print(f"Output file: {filename}")
+        print("HEX:", " ".join(f"{b:02X}" for b in sysex_data))
+    except Exception as e:
+        print(f"Error occurred while saving the file: {e}")