From f201e8b771079a7f9749835fe7d340592bb18b7a Mon Sep 17 00:00:00 2001
From: "ethan.du" <ethan.du@ucloud.cn>
Date: Fri, 29 May 2020 14:44:45 +0800
Subject: [PATCH] add code annotation for ota request firmware

---
 samples/ota/ota_sample.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/samples/ota/ota_sample.c b/samples/ota/ota_sample.c
index b239a9b..07030db 100644
--- a/samples/ota/ota_sample.c
+++ b/samples/ota/ota_sample.c
@@ -31,6 +31,8 @@
 
 #define OTA_BUF_LEN (1024)
 
+#define CURRENT_VER                   "1.0.0"
+
 static void event_handler(void *pClient, void *handle_context, MQTTEventMsg *msg)
 {
     switch(msg->event_type) {
@@ -121,13 +123,14 @@ int main(int argc, char **argv)
         return FAILURE_RET;
     }
 
-    /* Must report version first */
-    if (IOT_OTA_ReportVersion(h_ota, "1.0.0") < 0) {
+    /* Must report current version first */
+    if (IOT_OTA_ReportVersion(h_ota, CURRENT_VER) < 0) {
         LOG_ERROR("report OTA version failed");
         return FAILURE_RET;
     }
 
-    if (IOT_OTA_RequestFirmware(h_ota, "1.0.0") < 0) {
+    /* request new firmware with current version */
+    if (IOT_OTA_RequestFirmware(h_ota, CURRENT_VER) < 0) {
         LOG_ERROR("Request firmware failed");
         return FAILURE_RET;
     }