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serial.c: Show both error code and error message. 

This is helpful in many cases, e.g. when trying to identify which of the
16000 system error codes from

  http://msdn.microsoft.com/en-us/library/ms681381%28VS.85%29.aspx

has been encountered (which is not trivial if you only have an,
e.g. German, string message alone).
This commit is contained in:
Uwe Hermann 2013-12-17 17:46:24 +01:00
parent 2eb84c9835
commit cb7b165b3d
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
hardware/common/serial.c
View File

@ -77,7 +77,8 @@ SR_PRIV int serial_open(struct sr_serial_dev_inst *serial, int flags)
return SR_ERR_ARG;
case SP_ERR_FAIL:
error = sp_last_error_message();
sr_err("Error opening port: %s.", error);
sr_err("Error opening port (%d): %s.",
sp_last_error_code(), error);
sp_free_error_message(error);
return SR_ERR;
}
@ -120,7 +121,8 @@ SR_PRIV int serial_close(struct sr_serial_dev_inst *serial)
return SR_ERR_ARG;
case SP_ERR_FAIL:
error = sp_last_error_message();
sr_err("Error closing port: %s.", error);
sr_err("Error closing port (%d): %s.",
sp_last_error_code(), error);
sp_free_error_message(error);
return SR_ERR;
}
@ -163,7 +165,8 @@ SR_PRIV int serial_flush(struct sr_serial_dev_inst *serial)
return SR_ERR_ARG;
case SP_ERR_FAIL:
error = sp_last_error_message();
sr_err("Error flushing port: %s.", error);
sr_err("Error flushing port (%d): %s.",
sp_last_error_code(), error);
sp_free_error_message(error);
return SR_ERR;
}
@ -207,7 +210,7 @@ SR_PRIV int serial_write(struct sr_serial_dev_inst *serial,
return SR_ERR_ARG;
case SP_ERR_FAIL:
error = sp_last_error_message();
sr_err("Write error: %s.", error);
sr_err("Write error (%d): %s.", sp_last_error_code(), error);
sp_free_error_message(error);
return SR_ERR;
}
@ -253,7 +256,7 @@ SR_PRIV int serial_read(struct sr_serial_dev_inst *serial, void *buf,
return SR_ERR_ARG;
case SP_ERR_FAIL:
error = sp_last_error_message();
sr_err("Read error: %s.", error);
sr_err("Read error (%d): %s.", sp_last_error_code(), error);
sp_free_error_message(error);
return SR_ERR;
}
@ -332,7 +335,8 @@ SR_PRIV int serial_set_params(struct sr_serial_dev_inst *serial, int baudrate,
return SR_ERR_ARG;
case SP_ERR_FAIL:
error = sp_last_error_message();
sr_err("Error setting serial port parameters: %s.", error);
sr_err("Error setting serial port parameters (%d): %s.",
sp_last_error_code(), error);
sp_free_error_message(error);
return SR_ERR;
}