--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cs/drivers/drv_app/r2d/r2d_blrr_api.c	Sat Apr 24 23:38:18 2021 +0000
@@ -0,0 +1,37 @@
+/*
+ * This module implements the blrr_display_ctrl() function defined
+ * in r2d_blrr_api.h; this implementation consists of posting the
+ * necessary internal message to the R2D task.
+ */
+
+#include "r2d/r2d_blrr_api.h"
+#include "r2d/r2d_i.h"
+#include "r2d/r2d_messages.h"
+#include "rv/rv_general.h"
+#include "rvf/rvf_api.h"
+#include "rvm/rvm_use_id_list.h"
+
+T_RV_RET blrr_display_ctrl(enum blrr_display_state arg)
+{
+	T_R2D_EVT *msg;
+
+	if (rvf_get_buf(r2d_mb_id, sizeof(T_R2D_EVT), (T_RVF_BUFFER **)&msg)
+	    == RVF_RED) {
+		rvf_send_trace(
+			"rvf_get_buf() failed in blrr_display_ctrl()", 43,
+			NULL_PARAM, RV_TRACE_LEVEL_ERROR, R2D_USE_ID);
+		return RV_MEMORY_ERR;
+	}
+	msg->os_hdr.msg_id        = R2D_MESSAGE_ONOFF;
+	msg->os_hdr.src_addr_id   = r2d_addr_id;
+	msg->os_hdr.dest_addr_id  = r2d_addr_id;
+	msg->os_hdr.callback_func = NULL;
+	msg->status = arg;
+	if (rvf_send_msg(r2d_addr_id, msg) != RV_OK) {
+		rvf_send_trace("blrr_display_ctrl(): Send failed!", 33,
+				NULL_PARAM, RV_TRACE_LEVEL_ERROR, R2D_USE_ID);
+		rvf_free_buf(msg);
+		return RV_INTERNAL_ERR;
+	}
+	return RV_OK;
+}