From d02e36f4ff562e5e18a6533b19e9082cb0e08c66 Mon Sep 17 00:00:00 2001
From: wangmengyang <wangmengyang@espressif.com>
Date: Wed, 31 Jan 2018 11:39:04 +0800
Subject: [PATCH] component/bt: fix type error for ble_spp_client when
 SUPPORT_HEARTBEAT is enabled

---
 examples/bluetooth/ble_spp_client/main/spp_client_demo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/bluetooth/ble_spp_client/main/spp_client_demo.c b/examples/bluetooth/ble_spp_client/main/spp_client_demo.c
index 7597ffb2e..75e802471 100644
--- a/examples/bluetooth/ble_spp_client/main/spp_client_demo.c
+++ b/examples/bluetooth/ble_spp_client/main/spp_client_demo.c
@@ -493,7 +493,7 @@ void spp_heart_beat_task(void * arg)
                                               spp_conn_id,
                                               (db+SPP_IDX_SPP_HEARTBEAT_VAL)->attribute_handle,
                                               sizeof(heartbeat_s),
-                                              (char *)heartbeat_s,
+                                              (uint8_t *)heartbeat_s,
                                               ESP_GATT_WRITE_TYPE_RSP,
                                               ESP_GATT_AUTH_REQ_NONE);
                     vTaskDelay(5000 / portTICK_PERIOD_MS);