diff --git a/cx9261adriver_c.h b/cx9261adriver_c.h
index aac0d07..7d49175 100644
--- a/cx9261adriver_c.h
+++ b/cx9261adriver_c.h
@@ -14,6 +14,9 @@ extern "C" {
 #define MAX_NUM_FIR 64
 #define MAX_MULTI_POINTS 64
 
+extern uint32_t CX9261A_RiscvBinLen;
+extern uint8_t *CX9261A_RiscvBin;
+
 typedef enum {
     CX9261A_WKM_Rx,
     CX9261A_WKM_Tx,