controller_is_connected

pros_sys::misc

Function controller_is_connected 

Source 
pub unsafe extern "C" fn controller_is_connected(
    id: controller_id_e_t,
) -> i32
Expand description

Checks if the controller is connected.

This function uses the following values of errno when an error state is reached: EINVAL - A value other than E_CONTROLLER_MASTER or E_CONTROLLER_PARTNER is given. EACCES - Another resource is currently trying to access the controller port.

\param id The ID of the controller (e.g. the master or partner controller). Must be one of CONTROLLER_MASTER or CONTROLLER_PARTNER

\return 1 if the controller is connected, 0 otherwise