From 4fbd64a51bb5068c039cfecff924828e62441f1a Mon Sep 17 00:00:00 2001
From: Stefan Kratochwil <Kratochwil-LA@gmx.de>
Date: Tue, 19 Nov 2024 21:12:40 +0100
Subject: [PATCH] Added deployment script and example main.py.

---
 software/src/mfrc522/deploy.sh | 33 ++++++++++++++++++
 software/src/mfrc522/main.py   | 61 ++++++++++++++++++++++++++++++++++
 2 files changed, 94 insertions(+)
 create mode 100755 software/src/mfrc522/deploy.sh
 create mode 100644 software/src/mfrc522/main.py

diff --git a/software/src/mfrc522/deploy.sh b/software/src/mfrc522/deploy.sh
new file mode 100755
index 0000000..64b0d6c
--- /dev/null
+++ b/software/src/mfrc522/deploy.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/bash
+set -eu
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+MFRC522_LIBDIR=$(readlink -f "$SCRIPT_DIR"/../../lib/micropython-mfrc522)
+
+error_exit()
+{
+    MESSAGE="$1"
+
+    echo "Error: $MESSAGE"
+    echo "Exit."
+    exit 1
+}
+
+check_command()
+{
+    CMD="$1"
+
+    if ! command -v "$CMD" 2>&1 >/dev/null
+    then
+        error_exit "'$CMD' not found."
+    fi
+}
+
+check_command mpremote
+
+mpremote fs cp "$MFRC522_LIBDIR/mfrc522.py" ":mfrc522.py"
+
+mpremote reset
+
+echo "Library deployed. Run main.py with 'mpremote run main.py'"
diff --git a/software/src/mfrc522/main.py b/software/src/mfrc522/main.py
new file mode 100644
index 0000000..2e13163
--- /dev/null
+++ b/software/src/mfrc522/main.py
@@ -0,0 +1,61 @@
+from mfrc522 import MFRC522
+import utime
+
+
+def uidToString(uid):
+    mystring = ""
+    for i in uid:
+        mystring = "%02X" % i + mystring
+    return mystring
+
+def main():
+    reader = MFRC522(spi_id=1,sck=10,miso=12,mosi=11,cs=13,rst=9)
+
+    print("")
+    print("Please place card on reader")
+    print("")
+
+    PreviousCard = [0]
+
+    try:
+        while True:
+            reader.init()
+
+            (stat, tag_type) = reader.request(reader.REQIDL)
+            #print('request stat:',stat,' tag_type:',tag_type)
+            if stat == reader.OK:
+                (stat, uid) = reader.SelectTagSN()
+                if uid == PreviousCard:
+                    continue
+                if stat == reader.OK:
+                    print("Card detected {}  uid={}".format(hex(int.from_bytes(bytes(uid),"little",False)).upper(),reader.tohexstring(uid)))
+
+                    if reader.IsNTAG():
+                        print("Got NTAG{}".format(reader.NTAG))
+                        reader.MFRC522_Dump_NTAG(Start=0,End=reader.NTAG_MaxPage)
+                        #print("Write Page 5  to 0x1,0x2,0x3,0x4  in 2 second")
+                        #utime.sleep(2)
+                        #data = [1,2,3,4]
+                        #reader.writeNTAGPage(5,data)
+                        #reader.MFRC522_Dump_NTAG(uid,Start=5,End=6)
+                    else:
+                        (stat, tag_type) = reader.request(reader.REQIDL)
+                        if stat == reader.OK:
+                            (stat, uid2) = reader.SelectTagSN()
+                            if stat == reader.OK:
+                                if uid != uid2:
+                                    continue
+                                defaultKey = [255,255,255,255,255,255]
+                                reader.MFRC522_DumpClassic1K(uid,Start=0, End=64, keyA=defaultKey)
+                    PreviousCard = uid
+                else:
+                    pass
+            else:
+                PreviousCard=[0]
+            utime.sleep_ms(50)
+
+    except KeyboardInterrupt:
+        pass
+
+if __name__ == "__main__":
+    main()