diff --git a/mcp2518fd_can_def.h b/mcp2518fd_can_def.h
index 6e116b6..2eece21 100644
--- a/mcp2518fd_can_def.h
+++ b/mcp2518fd_can_def.h
@@ -51,6 +51,7 @@ DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
 #include <stdlib.h>
 
 
+
 // DOM-IGNORE-BEGIN
 #ifdef __cplusplus  // Provide C++ Compatibility
 extern "C" {
diff --git a/mcp2518fd_can_dfs.h b/mcp2518fd_can_dfs.h
index 23b07d3..f500d9d 100644
--- a/mcp2518fd_can_dfs.h
+++ b/mcp2518fd_can_dfs.h
@@ -45,7 +45,7 @@ DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
 // *****************************************************************************
 // Section: Included Files
 
-#include "drv_canfdspi_defines.h"
+#include "mcp2518fd_can_def.h"
 
 // DOM-IGNORE-BEGIN
 #ifdef __cplusplus  // Provide C++ Compatibility
@@ -796,4 +796,7 @@ static const uint32_t mcp25xxfdControlResetValues[] = {
 #endif
 
 
+#define MCP2518fd_SELECT()   digitalWrite(SPICS, LOW)
+#define MCP2518fd_UNSELECT() digitalWrite(SPICS, HIGH)
+
 #endif // _DRV_CANFDSPI_REGISTER_H