feat: 完成TCP2UART透传核心集成

集成CH390驱动、LwIP协议栈和FreeRTOS多任务透传框架，确保TCP Server/Client与UART链路按配置稳定联动。
2026-03-30 11:39:40 +08:00
parent d5803ca7dd
commit 4996b451d9
235 changed files with 80607 additions and 27 deletions
@@ -0,0 +1,63 @@
+/**
+ * @file ethernetif.h
+ * @brief Ethernet interface header for CH390 + LwIP + FreeRTOS
+ */
+
+#ifndef __ETHERNETIF_H__
+#define __ETHERNETIF_H__
+
+#include "lwip/netif.h"
+#include "lwip/err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Ethernet interface state structure */
+struct ethernetif {
+    uint16_t rx_len;
+    uint8_t  rx_status;
+};
+
+/* Global network interface */
+extern struct netif ch390_netif;
+
+/**
+ * @brief Initialize the ethernet interface
+ * @param netif Network interface structure
+ * @return ERR_OK on success
+ */
+err_t ethernetif_init(struct netif *netif);
+
+/**
+ * @brief Process received ethernet packets
+ * @param netif Network interface structure
+ * @note Call this from the LwIP task when packets are available
+ */
+void ethernetif_input(struct netif *netif);
+
+/**
+ * @brief Initialize LwIP network interface with static IP
+ * @param ipaddr IP address
+ * @param netmask Network mask
+ * @param gw Gateway address
+ */
+void lwip_netif_init(const ip4_addr_t *ipaddr, const ip4_addr_t *netmask, const ip4_addr_t *gw);
+
+/**
+ * @brief Check and handle CH390 interrupt status
+ * @note Call this from the LwIP task periodically or on interrupt
+ */
+void ethernetif_check_link(void);
+
+/**
+ * @brief Process all pending RX packets
+ * @note Call this from the LwIP task when RX interrupt occurs
+ */
+void ethernetif_poll(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ETHERNETIF_H__ */