110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
#ifndef _ERPC_CORE_H_
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#define _ERPC_CORE_H_
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#include "config.h"
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#include "list.h"
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#define ERPC_VERSION_MAJOR 1
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#define ERPC_VERSION_MINOR 0
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#define ERPC_VERSION_PATCH 0
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#define ERPC_MSG_HEADER_SIZE 9
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#define ERPC_MSG_DATA_MAX_SIZE (256 - ERPC_MSG_HEADER_SIZE + 2)
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#define ERPC_MSG_CACHE_SIZE 16 // Maximum number of messages in cache
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#define ERPC_SEND_TIMEOUT 30 // 发送超时时间，单位tick
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typedef struct erpc_msg_t
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{
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u8 src_id;
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u8 dest_id;
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u8 type;
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u16 port;
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u16 len;
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u16 crc;
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u8 data[ERPC_MSG_DATA_MAX_SIZE];
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} erpc_msg_t;
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typedef struct erpc_cache_t
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{
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u8 state;
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erpc_msg_t msg;
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} erpc_cache_t;
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typedef enum erpc_msg_type
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{
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ERPC_MSG_TYPE_REQUEST = 0,
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ERPC_MSG_TYPE_ACK,
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ERPC_MSG_TYPE_RESPONSE,
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}erpc_msg_type;
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typedef enum erpc_cache_state
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{
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CACHE_FREE = 0,
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// 占用
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CACHE_IN_USE,
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// 发送cache
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CACHE_WAIT_SEND,
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CACHE_SEND_OK,
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CACHE_SEND_HW_ERR,
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// 接收cache
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CACHE_GET_DATA, // 发现数据
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CACHE_GET_MSG, // 发现完整消息
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CACHE_REC_ACK, // 收到ACK
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CACHE_GET_RESP, // 收到RESP数据包
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CACHE_WAIT_HANDLE, // 等待处理
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} erpc_cache_state;
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typedef enum erpc_error
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{
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ERPC_OK = 0,
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// 发送REQ
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ERPC_ERR_NO_FREE_SEND_CACHE, // 没有空闲的发送缓存
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ERPC_ERR_SEND_TIMEOUT, // 发送REQ超时
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ERPC_ERR_SEND_ACK_TIMEOUT, // 发送REQ成功，但是没有收到ACK
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ERPC_ERR_SEND_PORT_IS_INUSE, // 发送失败，端口已被占用
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ERPC_ERR_SEND_HW_ERR, // 发送失败，硬件错误
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// 接收REQ
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ERPC_ERR_NO_CMD_RETURN, // 发生REQ成功，但是没有收到RESP包
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} erpc_error;
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typedef struct erpc_hw_t
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{
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u8 local_id;
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void (*lock)(void);
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void (*unlock)(void);
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void (*sleep)(u32 ms);
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u32 (*send)(u8 *data, u16 len);
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erpc_cache_t send_cache[ERPC_MSG_CACHE_SIZE];
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erpc_cache_t recv_cache[ERPC_MSG_CACHE_SIZE];
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list_t handler_list;
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} erpc_hw_t;
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typedef struct handler_list_t
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{
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u16 port;
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void (*handle)(erpc_hw_t *hw, erpc_cache_t *cache, u8 *data, u16 len);
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} handler_list_t;
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#define CHECK_DEAL(condition, error) \
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if ((condition)) \
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return error;
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/**
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* 内核函数，需要手动sleep
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*/
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void send_core(erpc_hw_t *hw);
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void recv_core(erpc_hw_t *hw);
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void recv_handle(erpc_hw_t *hw);
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/**
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* 用户函数
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*/
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u32 send_request(erpc_hw_t *hw, u8 dest_id, u16 port, u8 *data, u16 len, u16 timeout, u8 retry);
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u32 send_request_wait_response(erpc_hw_t *hw, u8 dest_id, u16 port, u8 *data_out, u16 len_out, u8 *data_in, u16 *len_in, u16 send_timeout, u16 recv_timeout, u8 retry);
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u32 send_response(erpc_hw_t *hw, erpc_cache_t *cache, u8 *data, u16 len, u16 timeout, u8 retry);
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u32 write_rec_cache(erpc_hw_t *hw, u8 *data, u16 len);
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/**
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* 注册处理函数
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*/
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#define EXPORT_ERPC_HANDLE(hw, _port, _handle) \
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static handler_list_t _A##_handle = \
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{ \
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.port = _port,\
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.handle = _handle,\
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};\
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EXPORT_LIST_NODE(hw.list,_A##_handle);
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#endif /* _ERPC_CORE_H_ */ |