我正在尝试在我的 simulink 模型或只是一个 m 文件和我的 C++ 应用程序之间建立一个链接，但我遇到了问题。我真的不明白matlab如何接收数据，对于simulink，我应该以哪种形式将数据发送到块？我想将 xyz 之类的坐标发送到 matlab，并使用 matlab scatter3 实时发送坐标流。可能吗 ？
这是 C++ 提取代码：（抱歉评论是法语）
/* Démarrage du listage (mode server) */
sock_err = listen(sock, 5);
printf("Listage du port %d...\n", PORT);
/* Si la socket fonctionne */
if(sock_err != SOCKET_ERROR)
{
/* Attente pendant laquelle le client se connecte */
printf("Patientez pendant que le client se connecte sur le port %d...\n", PORT);
csock = accept(sock, (SOCKADDR*)&csin, &recsize);
printf("Un client se connecte avec la socket %d de %s:%d\n", csock, inet_ntoa(csin.sin_addr), htons(csin.sin_port));
// double buff = 25;
mxArray *datasend;
datasend = mxCreateDoubleMatrix(1, 1, mxREAL);
mlfPrintmatrix(datasend);
sock_err = send(csock, T, 3*sizeof(double), 0);
if(sock_err != SOCKET_ERROR)
printf("Send : %s\n", buffer[0]);
//printf("send : [10 20 30]");
else
printf("Erreur de transmission\n");
/* Il ne faut pas oublier de fermer la connexion (fermée dans les deux sens) */
shutdown(csock, 2);
}
Simulink 错误：
Error evaluating registered method 'Outputs' of M-S-Function 'stcpiprb' in 'trajectory2/TCP//IP Receive'. The specified amount of data was not returned within the Timeout period.
Please ensure that data is being sent to the specified port or specify a greater timeout value.
The specified amount of data was not returned within the Timeout period.
Please ensure that data is being sent to the specified port or specify a greater timeout value.
模拟链接模型：
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Block {
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System {
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# Finite State Machines
#
# Stateflow Version 7.1 (R2009a) dated Jul 17 2009, 00:35:51
#
#
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drawStyle SMART
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data {
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name "data"
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scope INPUT_DATA
machine 1
props {
array {
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type {
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primitive SF_DOUBLE_TYPE
}
complexity SF_COMPLEX_INHERITED
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dataType "Inherit: Same as Simulink"
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instance {
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name "Embedded\nMATLAB Function"
machine 1
chart 2
}
target {
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name "sfun"
description "Default Simulink S-Function Target."
machine 1
linkNode [1 0 0]
}
}