添加协议解析处理

This commit is contained in:
OPTOC
2025-09-02 14:20:28 +08:00
parent 6f67d8d773
commit 9f79709f62
2 changed files with 206 additions and 0 deletions

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#include "p_protocol.h"
protocol_t protocol;
int Protocol_read(void *data, uint32_t size, uint32_t wait_ms)
{
switch (protocol.port_type)
{
case PORT_LINUX_UART:
break;
case PORT_LINUX_SBDATA:
return sb_data_port_read(protocol.port.data_port, data, size, 0);
break;
default:
break;
}
return -1;
}
int Protocol_write(const void *data, uint32_t size, uint32_t wait_ms)
{
switch (protocol.port_type)
{
case PORT_LINUX_UART:
break;
case PORT_LINUX_SBDATA:
return sb_data_port_write(protocol.port.data_port, data, size, 0);
break;
default:
break;
}
return -1;
}
void Protocol_init(port_type_m port_type, void* port)
{
protocol.port.data_port = port;
switch (port_type)
{
case PORT_LINUX_UART:
protocol.port.uart_fd = (int*)port;
break;
case PORT_LINUX_SBDATA:
protocol.port.data_port = (sb_data_port_t*)port;
break;
default:
break;
}
protocol.msp.read = protocol.mavlink_device.read = Protocol_read;
protocol.msp.write = protocol.mavlink_device.write = Protocol_write;
msp_init(&protocol.msp);
mavlink_init(&protocol.mavlink_device);
}
int Protocol_search()
{
uint8_t c;
while(Protocol_read(&c,1,0))
{
// MAVLINK 解析
mavlink_message_t message;
if(mavlink_message(&protocol.mavlink_device, &message,c)){
// printf("Received message from serial with ID #%d (sys:%d|comp:%d):\n", message.msgid, message.sysid, message.compid);
mavlik_packet_processing(&protocol.mavlink_device, &message);
return PROTOCOL_MAVLINK;
}
// MSP 解析
if (msp_parse_received_data(&protocol.msp, c))
{
if (protocol.msp.c_state == MSP_COMMAND_RECEIVED)
{
msp_process_received_command(&protocol.msp);
return PROTOCOL_MSP;
}
}
}
return PROTOCOL_IDLE;
}
void Protocol_loop(void* arg)
{
switch(protocol.pro_type)
{
case PROTOCOL_IDLE:
protocol.pro_type = Protocol_search();
break;
case PROTOCOL_MSP:
msp_recv_loop(&protocol.msp);
break;
case PROTOCOL_MAVLINK:
mavlink_recv_loop(&protocol.mavlink_device);
break;
}
}
int Protocol_buf_search(void* data, uint32_t size)
{
uint32_t size_lat = size;
uint8_t* data_char = (uint8_t*)data;
while (size_lat --)
{
uint8_t c = data_char[size - size_lat - 1];
// MAVLINK 解析
mavlink_message_t message;
if(mavlink_message(&protocol.mavlink_device, &message,c)){
mavlik_packet_processing(&protocol.mavlink_device, &message);
return PROTOCOL_MAVLINK;
}
// MSP 解析
if (msp_parse_received_data(&protocol.msp, c))
{
if (protocol.msp.c_state == MSP_COMMAND_RECEIVED)
{
msp_process_received_command(&protocol.msp);
return PROTOCOL_MSP;
}
}
}
// printf("search %c %c\r\n", data_char[0], data_char[1]);
return PROTOCOL_IDLE;
}
void Protocol_buf_decode(void* data, uint32_t size)
{
switch(protocol.pro_type)
{
case PROTOCOL_IDLE:
protocol.pro_type = Protocol_buf_search(data, size);
break;
case PROTOCOL_MSP:
msp_recv_buf(&protocol.msp, data, size);
break;
case PROTOCOL_MAVLINK:
mavlink_recv_buf(&protocol.mavlink_device, data, size);
break;
}
}

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#pragma once
#ifndef PROJECT_H
#define PROJECT_H
#include "../device.h"
#include "mavlink_control.h"
#include "MSP.h"
typedef struct
{
int* uart_fd;
sb_data_port_t* data_port;
}protocol_port_t;
typedef enum
{
PROTOCOL_IDLE,
PROTOCOL_MSP,
PROTOCOL_MAVLINK,
}protocol_type_m;
typedef enum
{
PORT_LINUX_UART = 0,
PORT_LINUX_SBDATA,
}port_type_m;
typedef struct
{
protocol_port_t port;
protocol_type_m pro_type;
port_type_m port_type;
mavlink_device_t mavlink_device;
msp_port_t msp;
}protocol_t;
/**
* @brief 初始化协议前端
*
* @param port_type 使用的设备类型(如串口或其他)
* @param port 由对应的驱动提供的绑定接口获得的句柄
*/
void Protocol_init(port_type_m port_type, void* port);
/**
* @brief 搜索协议
*
* @retval 协议类型
*/
int Protocol_search();
/**
* @brief 使用串口进行数据获取的主运行函数(针对需要使用串口读取)
*/
void Protocol_loop(void* arg);
/**
* @brief 搜索协议
*
* @param data 数据缓存
* @param size 数据长度
* @retval 协议类型
*/
int Protocol_buf_search(void* data, uint32_t size);
/**
* @brief 解析数据 (针对已获取到数据缓存)
*
* @param data 数据缓存
* @param size 数据长度
*/
void Protocol_buf_decode(void* data, uint32_t size);
#endif