From 77071b6fd3878dcdf63be537684a95f1b2cc7c7b Mon Sep 17 00:00:00 2001
From: danjperron <danjperron@videotron.ca>
Date: Tue, 9 Feb 2021 22:20:54 -0500
Subject: [PATCH] Add Pico

---
 examples/Pico_read.py | 34 ++++++++++++++++++++++++++++++++++
 mfrc522.py            |  4 +++-
 2 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 examples/Pico_read.py

diff --git a/examples/Pico_read.py b/examples/Pico_read.py
new file mode 100644
index 0000000..541c8b3
--- /dev/null
+++ b/examples/Pico_read.py
@@ -0,0 +1,34 @@
+from mfrc522 import MFRC522
+
+
+def uidToString(uid):
+    mystring = ""
+    for i in uid:
+        mystring = "%02X" % i + mystring
+    return mystring
+    
+              
+reader = MFRC522(spi_id=0,sck=2,miso=4,mosi=3,cs=1,rst=0)
+
+print("")
+print("Place card before reader to read from address 0x08")
+print("")
+
+try:
+    while True:
+
+        (stat, tag_type) = reader.request(reader.REQIDL)
+
+        if stat == reader.OK:
+    
+            (stat, uid) = reader.SelectTagSN()
+        
+            if stat == reader.OK:
+                print("Card detected %s" % uidToString(uid))
+            else:
+                print("Authentication error")
+
+except KeyboardInterrupt:
+    print("Bye")
+
+
diff --git a/mfrc522.py b/mfrc522.py
index c603b58..244850e 100644
--- a/mfrc522.py
+++ b/mfrc522.py
@@ -19,7 +19,7 @@ class MFRC522:
 	PICC_ANTICOLL3 = 0x97
   
 
-	def __init__(self, sck, mosi, miso, rst, cs):
+	def __init__(self, sck, mosi, miso, rst, cs,baudrate=1000000,spi_id=0):
 
 		self.sck = Pin(sck, Pin.OUT)
 		self.mosi = Pin(mosi, Pin.OUT)
@@ -38,6 +38,8 @@ class MFRC522:
 		elif (board == 'esp8266') or (board == 'esp32'):
 			self.spi = SPI(baudrate=100000, polarity=0, phase=0, sck=self.sck, mosi=self.mosi, miso=self.miso)
 			self.spi.init()
+		elif board == 'rp2':
+			self.spi = SPI(spi_id,baudrate=baudrate,sck=self.sck, mosi= self.mosi, miso= self.miso)
 		else:
 			raise RuntimeError("Unsupported platform")