error out if bus not 48mhz

teachop · Jul 7, 2014 · a9dd8fa · a9dd8fa
1 parent 861baa6
commit a9dd8fa
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/FlexCAN.h b/FlexCAN.h
@@ -7,6 +7,11 @@
 
 #include <Arduino.h>
 
+// in the short term insure 48MHz bus speed
+#if F_BUS != 48000000
+#error "Only CPU speeds 48, 96 and 144 are supported"
+#endif
+
 typedef struct CAN_message_t {
   uint32_t id; // can identifier
   uint8_t ext; // identifier is extended