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Handle the firmwares that don't echo the commands

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Fixes #1968.
This commit is contained in:
Daniele Forsi IU5HKX 2025-12-21 14:18:14 +01:00
parent 127141696c
commit 6441c1d986
1 changed files with 9 additions and 6 deletions
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15
rotators/skywatcher/skywatcher.c
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@ -60,7 +60,8 @@ static int skywatcher_cmd(ROT *rot, const char *cmd, char *response,
rig_flush(port);
size_t cmd_len = strlen(cmd);
ERROR_CHECK(write_block(port, (unsigned char *) cmd, cmd_len));
// echo from the device
// Some firmwares echo the commands and some don't, so this may be the echo
// of the command sent above or the response
int code = read_string(port, (unsigned char *) response, response_len, "\r", 1,
0, 1);
@ -69,13 +70,15 @@ static int skywatcher_cmd(ROT *rot, const char *cmd, char *response,
return code;
}
// the actual response
code = read_string(port, (unsigned char *) response, response_len, "\r", 1, 0,
// If we got echo from the device, then get the actual response
if (response[0] == ':') {
code = read_string(port, (unsigned char *) response, response_len, "\r", 1, 0,
1);
if (code < 0)
{
return code;
if (code < 0)
{
return code;
}
}
// nullify last \r