120 lines
2.7 KiB
C
120 lines
2.7 KiB
C
/**
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* @file tcp_server.h
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* @brief TCP Server module for transparent transmission with UART2
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*/
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#ifndef __TCP_SERVER_H__
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#define __TCP_SERVER_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 Server port */
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#define TCP_SERVER_DEFAULT_PORT 8080
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/* Maximum number of simultaneous connections */
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#define TCP_SERVER_MAX_CONNECTIONS 1
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/* Buffer sizes */
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#define TCP_SERVER_RX_BUFFER_SIZE 1024
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#define TCP_SERVER_TX_BUFFER_SIZE 1024
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/* TCP Server state */
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typedef enum {
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TCP_SERVER_STATE_IDLE,
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TCP_SERVER_STATE_LISTENING,
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TCP_SERVER_STATE_CONNECTED,
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TCP_SERVER_STATE_ERROR
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} tcp_server_state_t;
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/* TCP Server configuration */
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typedef struct {
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uint16_t port;
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bool auto_reconnect;
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} tcp_server_config_t;
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/* TCP Server status */
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typedef struct {
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tcp_server_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 connections;
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uint32_t errors;
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} tcp_server_status_t;
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/**
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* @brief Initialize TCP Server module
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* @param config Server configuration
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* @return 0 on success, negative on error
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*/
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int tcp_server_init(const tcp_server_config_t *config);
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/**
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* @brief Start TCP Server (begin listening)
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* @return 0 on success, negative on error
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*/
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int tcp_server_start(void);
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/**
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* @brief Stop TCP Server
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* @return 0 on success, negative on error
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*/
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int tcp_server_stop(void);
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/**
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* @brief Send data to connected client
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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_server_send(const uint8_t *data, uint16_t len);
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/**
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* @brief Receive data from connected client
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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_server_recv(uint8_t *data, uint16_t max_len, uint32_t timeout_ms);
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/**
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* @brief Check if client is connected
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* @return true if connected
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*/
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bool tcp_server_is_connected(void);
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/**
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* @brief Get TCP Server status
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* @param status Pointer to status structure
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*/
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void tcp_server_get_status(tcp_server_status_t *status);
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/**
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* @brief Get TCP Server 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_server_get_rx_stream(void);
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/**
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* @brief Get TCP Server 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_server_get_tx_stream(void);
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/**
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* @brief TCP Server task function (for FreeRTOS)
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* @param argument Task argument (unused)
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*/
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void tcp_server_task(void *argument);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __TCP_SERVER_H__ */
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