From 2175fee74272b3afbc9c4ceeaebd1dabe13e8605 Mon Sep 17 00:00:00 2001
From: wangfq <wangfq@collectpublish.net>
Date: Wed, 8 Jul 2026 15:52:43 +0800
Subject: [PATCH] =?UTF-8?q?fix(iot=5Fmqtt):=20=E7=A7=BB=E9=99=A4=20iot=5Fm?=
 =?UTF-8?q?qtt=5Fsend()=20hex=20dump=20=E5=BE=AA=E7=8E=AF=E9=81=BF?=
 =?UTF-8?q?=E5=85=8D=E6=A0=88=E6=BA=A2=E5=87=BA=E9=87=8D=E5=90=AF?=
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hex dump 连续 65 次 PRINT 调用消耗大量栈空间,
在 CH32V208 2KB 栈限制下导致溢出重启.
改为仅打印 len 和 ret/status.
---
 vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c
index 353ba99..656035c 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/iot_mqtt_srv.c
@@ -73,10 +73,7 @@ static int iot_make_topic(char *out, uint16_t out_len, const char *direction,
 /* 发送 MQTT 报文到 broker */
 static int iot_mqtt_send(const uint8_t *buf, uint16_t len) {
     uint16_t slen = len;
-    uint8_t i;
-    PRINT("IOT: SocketSend sock=%d len=%d data:", g_iot_socket, len);
-    for (i = 0; i < len && i < 64; i++) PRINT(" %02X", buf[i]);
-    PRINT("\n");
+    PRINT("IOT: SocketSend sock=%d len=%d\n", g_iot_socket, len);
     uint8_t ret = WCHNET_SocketSend(g_iot_socket, (uint8_t *)buf, &slen);
     PRINT("IOT: SocketSend ret=0x%02X sent=%d\n", ret, slen);
     return (ret == WCHNET_ERR_SUCCESS) ? 0 : -1;