modbus_set_response_timeout − set timeout for response
void modbus_set_response_timeout(modbus_t *ctx, struct timeval *timeout);
The modbus_set_response_timeout() function shall set the timeout interval used to wait for a response. If the waiting before receiving the response is longer than the given timeout, an error will be raised.
There is no return values.
struct timeval old_response_timeout;
struct timeval response_timeout;
/* Save original timeout */
modbus_get_response_timeout(ctx, &old_response_timeout);
/* Define a new and too short timeout! */
response_timeout.tv_sec = 0;
response_timeout.tv_usec = 0;
modbus_set_response_timeout(ctx, &response_timeout);
modbus_get_response_timeout(3) modbus_get_byte_timeout(3) modbus_set_byte_timeout(3)
The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com [1] >
1. |
stephane DOT raimbault AT gmail DOT com |
mailto:stephane DOT raimbault AT gmail DOT com