135 lines
3.2 KiB
C
135 lines
3.2 KiB
C
/**
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* @file tcp_client.h
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* @brief TCP Client module for transparent transmission with UART3
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*/
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#ifndef __TCP_CLIENT_H__
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#define __TCP_CLIENT_H__
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Default TCP Client settings */
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#define TCP_CLIENT_DEFAULT_PORT 8081
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#define TCP_CLIENT_DEFAULT_SERVER "192.168.1.100"
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/* Reconnect settings */
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#define TCP_CLIENT_RECONNECT_DELAY_MS 3000
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#define TCP_CLIENT_MAX_RECONNECT_TRIES 0 /* 0 = infinite */
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/* Buffer sizes */
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#define TCP_CLIENT_RX_BUFFER_SIZE 512
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#define TCP_CLIENT_TX_BUFFER_SIZE 512
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/* TCP Client state */
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typedef enum {
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TCP_CLIENT_STATE_IDLE,
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TCP_CLIENT_STATE_CONNECTING,
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TCP_CLIENT_STATE_CONNECTED,
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TCP_CLIENT_STATE_DISCONNECTED,
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TCP_CLIENT_STATE_ERROR
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} tcp_client_state_t;
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/* TCP Client configuration */
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typedef struct {
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uint8_t server_ip[4]; /* Server IP address */
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uint16_t server_port; /* Server port */
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bool auto_reconnect; /* Auto reconnect on disconnect */
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uint16_t reconnect_interval_ms; /* Reconnect interval */
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} tcp_client_config_t;
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/* TCP Client status */
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typedef struct {
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tcp_client_state_t state;
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uint32_t rx_bytes;
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uint32_t tx_bytes;
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uint32_t reconnect_count;
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uint32_t errors;
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} tcp_client_status_t;
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/**
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* @brief Initialize TCP Client module
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* @param config Client configuration
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* @return 0 on success, negative on error
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*/
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int tcp_client_init(const tcp_client_config_t *config);
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/**
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* @brief Connect to remote server
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* @return 0 on success, negative on error
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*/
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int tcp_client_connect(void);
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/**
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* @brief Disconnect from server
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* @return 0 on success, negative on error
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*/
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int tcp_client_disconnect(void);
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/**
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* @brief Send data to server
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* @param data Data buffer
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* @param len Data length
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* @return Number of bytes sent, negative on error
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*/
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int tcp_client_send(const uint8_t *data, uint16_t len);
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/**
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* @brief Receive data from server
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* @param data Data buffer
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* @param max_len Maximum length to receive
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* @param timeout_ms Timeout in milliseconds (0 = non-blocking)
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* @return Number of bytes received, 0 if no data, negative on error
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*/
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int tcp_client_recv(uint8_t *data, uint16_t max_len, uint32_t timeout_ms);
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/**
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* @brief Check if connected to server
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* @return true if connected
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*/
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bool tcp_client_is_connected(void);
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/**
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* @brief Update server configuration (for AT command)
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* @param ip Server IP address (4 bytes)
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* @param port Server port
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* @return 0 on success, negative on error
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*/
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int tcp_client_set_server(const uint8_t *ip, uint16_t port);
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/**
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* @brief Get TCP Client status
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* @param status Pointer to status structure
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*/
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void tcp_client_get_status(tcp_client_status_t *status);
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/**
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* @brief Get TCP Client RX StreamBuffer handle for UART integration
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* @return StreamBuffer handle for receiving data from TCP
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*/
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void *tcp_client_get_rx_stream(void);
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/**
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* @brief Get TCP Client TX StreamBuffer handle for UART integration
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* @return StreamBuffer handle for sending data to TCP
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*/
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void *tcp_client_get_tx_stream(void);
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/**
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* @brief TCP Client task function (for FreeRTOS)
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* @param argument Task argument (unused)
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*/
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void tcp_client_task(void *argument);
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void tcp_client_poll(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __TCP_CLIENT_H__ */
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