Make it possible to set SPI clock

Conditional definition of MFRC522_SPICLOCK.
2018-11-28 01:09:38 +08:00
parent c5269d6343
commit ada464c1cc
1 changed files with 2 additions and 0 deletions
--- a/src/MFRC522.h
+++ b/src/MFRC522.h
@@ -83,7 +83,9 @@
 #include <Arduino.h>
 #include <SPI.h>

+#ifndef MFRC522_SPICLOCK
 #define MFRC522_SPICLOCK SPI_CLOCK_DIV4			// MFRC522 accept upto 10MHz
+#endif

 // Firmware data for self-test
 // Reference values based on firmware version