modbus_set_response_timeout (3)

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 St\('ephane Raimbault <\m[blue][email protected]\m[]\s-2\u[1]\d\s+2>

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