config: WCHNET_TCP_MSS 576→700, TCP_JSON_MAX_FRAME 4096→800

- WCHNET_TCP_MSS=700: 减少 TCP 分段, 配合 iot_mqtt_send 循环重试 → RECE_BUF_LEN 自动扩至 1400 (原 1152) - TCP_JSON_MAX_FRAME=800: 匹配实际 JSON 帧大小
2026-07-23 14:30:47 +08:00
parent 9e830639d3
commit 199cb5d23f
2 changed files with 2 additions and 2 deletions
@@ -36,7 +36,7 @@ extern "C" {
 /* The number of sockets, the maximum is 31  */
 #define WCHNET_MAX_SOCKET_NUM         (WCHNET_NUM_IPRAW+WCHNET_NUM_UDP+WCHNET_NUM_TCP+WCHNET_NUM_TCP_LISTEN)

-#define WCHNET_TCP_MSS                576   //1024  //1460  /* Size of TCP MSS*/
+#define WCHNET_TCP_MSS                700	//576   //1024  //1460  /* Size of TCP MSS*/

 #define WCHNET_NUM_POOL_BUF           (WCHNET_NUM_TCP*2+2)   /* The number of POOL BUFs, the number of receive queues */