1 files changed, 6 insertions, 2 deletions
diff --git a/cmd/sbc_harness/main.c b/cmd/sbc_harness/main.c
index 31ce30b..e2b3b15 100644
--- a/cmd/sbc_harness/main.c
+++ b/cmd/sbc_harness/main.c
@@ -5,6 +5,7 @@
  */
 
 #include <string.h> /* for strlen() */
+#include <stdio.h> /* for printf() */
 #include "pico/stdlib.h"
 
 #include <libcr/coroutine.h>
@@ -18,8 +19,11 @@ COROUTINE hello_world_cr(void *_chan) {
 	cr_begin();
 
 	for (size_t i = 0;; i = (i+1) % strlen(msg)) {
-		int result;
-		cr_rpc_req(chan, &result, (uint32_t)msg[i]);
+		int result = usb_keyboard_rpc_send_req(chan, (uint32_t)msg[i]);
+		if (result < 1) {
+			printf("error!\n");
+			break;
+		}
 	}
 
 	cr_end();