This function will read the last reply from the FTP server.
Using this function may help diagnose general problems like user access rights and missing files.
Only the last line in the response from the server will be returned.
Input:
ID : INT
The ID returned from ftpConnect.
Output:
Response : STRING
The last reply from server.
Returns: INT
0
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- Success.
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- 1
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- No response exists.
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- 2
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- Invalid ID.
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- 4
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- Session is busy with another operation.
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- 5
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- FTP not open, use ftpOpen to open interface.
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Declaration:
FUNCTION ftpLastResponse : INT;
VAR_INPUT
ID : INT;
Response : ACCESS STRING;
END_VAR;
Example:
INCLUDE rtcu.inc
PROGRAM example;
VAR
open : BOOL;
host : STRING := "ftp.domain.com";
usr : STRING := "ftpuser";
pwd : STRING := "user pwd";
str : STRING := "";
id : INT;
END_VAR;
gsmPower(power := ON);
gprsOpen();
BEGIN
open := (ftpOpen() = 0);
IF open THEN
id := ftpConnect(host := host, username := usr, password := pwd);
IF id < 0 THEN
ftpLastResponse(id := id, response := str);
DebugMsg(message := "Server reply : " + str);
END_IF;
ftpDisconnect(id := id);
END_IF;
ftpClose();
END;
END_PROGRAM;
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