57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
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#ifndef ERPC_CORE_H_
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#define ERPC_CORE_H_
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#include "config.h"
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#define MAX_CMD_LEN (256 - 5) // crc16最大支持256字节
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#define CMD_MAX_RETRY 5 // 最大重发次数
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#define CMD_TIMEOUT 30 // 超时时间 tick
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#define MAX_COM 20 // 最大支持端口打开数量，可认为是同时通讯的号
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typedef enum erpc_error {
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DEST_SYS_BUSY = 0, // 目标系统繁忙,接收到nack
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DEST_SYS_TIMEOUT, // 目标系统处理超时
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BUS_CRC_ERROR, // 总线CRC错误,可能是总线通讯质量不佳
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};
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typedef enum package_type {
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PACKAGE_TYPE_DEV_POWER_ON = 0,
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PACKAGE_TYPE_CMD_REQ,
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PACKAGE_TYPE_CMD_REQ_ACK,
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PACKAGE_TYPE_CMD_RESP,
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PACKAGE_TYPE_CMD_RESP_ACK,
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PACKAGE_TYPE_CMD_RESP_NACK,
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PACKAGE_TYPE_CMD_REPEAT, // crc校验失败，请求重发
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PACKAGE_TYPE_DEV_POWER_OFF,
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PACKAGE_TYPE_CMD_SERCH_DEV_ONLINE,
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} package_type;
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typedef struct node_cfg_t {
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u8 local_id;
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struct port_t {
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u16 com_id;
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volatile u32 time_out;
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void (*pre_deal)(u8 *data, u32 len); // 数据预处理接口
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u8 send_ack : 2; // 0：没有ack返回，1：ack返回 2：nack返回
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u8 rec_crc : 1; // 0：crc没有故障， 1： crc有故障
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u8 req_resend : 1; // 1:客户端请求重发
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} port[MAX_COM];
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u32 (*write)(u8 *data, u32 len);
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void (*bus_lock)(void);
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void (*bus_unlock)(void);
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void (*sleep)(void);
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} node_cfg_t;
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// 广播ID
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#define ERPC_BOARDCAST_ID 0xff
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typedef struct erpc_cmd_def_t {
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u8 src_id;
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u8 dest_id;
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package_type type;
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u16 port; // 指令号，指令号=端口号
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u8 msg_len;
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u8 crc_16[2];
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u8 *data;
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} erpc_cmd_def_t;
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#endif /* ERPC_CORE_H_ */
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