void vc_vchi_gencmd_init (VCHI_INSTANCE_T initialise_instance, VCHI_CONNECTION_T **connections, uint32_t num_connections )
{
VCOS_STATUS_T status;
int32_t success;
int i;
if (gencmd_client.initialised)
return;
// record the number of connections
memset( &gencmd_client, 0, sizeof(GENCMD_SERVICE_T) );
gencmd_client.num_connections = (int) num_connections;
status = vcos_mutex_create(&gencmd_client.lock, "HGencmd");
vcos_assert(status == VCOS_SUCCESS);
status = vcos_event_create(&gencmd_client.message_available_event, "HGencmd");
vcos_assert(status == VCOS_SUCCESS);
for (i=0; i<gencmd_client.num_connections; i++) {
// Create a 'LONG' service on the each of the connections
SERVICE_CREATION_T gencmd_parameters = { VCHI_VERSION(VC_GENCMD_VER),
MAKE_FOURCC("GCMD"), // 4cc service code
connections[i], // passed in fn ptrs
0, // tx fifo size (unused)
0, // tx fifo size (unused)
&gencmd_callback, // service callback
&gencmd_client.message_available_event, // callback parameter
VC_FALSE, // want_unaligned_bulk_rx
VC_FALSE, // want_unaligned_bulk_tx
VC_FALSE // want_crc
};
success = vchi_service_open( initialise_instance, &gencmd_parameters, &gencmd_client.open_handle[i] );
assert( success == 0 );
}
gencmd_client.initialised = 1;
release_gencmd_service();
}
void vc_vchi_dispmanx_init (VCHI_INSTANCE_T initialise_instance, VCHI_CONNECTION_T **connections, uint32_t num_connections ) {
VCOS_STATUS_T status;
int32_t success;
uint32_t i;
// record the number of connections
memset( &dispmanx_client, 0, sizeof(DISPMANX_SERVICE_T) );
dispmanx_client.num_connections = num_connections;
status = vcos_mutex_create(&dispmanx_client.lock, "HDispmanx");
vcos_assert(status == VCOS_SUCCESS);
status = vcos_event_create(&dispmanx_message_available_event, "HDispmanx");
vcos_assert(status == VCOS_SUCCESS);
status = vcos_event_create(&dispmanx_notify_available_event, "HDispmanx");
vcos_assert(status == VCOS_SUCCESS);
dispmanx_client.initialised = 1;
for (i=0; i<dispmanx_client.num_connections; i++) {
VCOS_THREAD_ATTR_T attrs;
// Create a 'Client' service on the each of the connections
SERVICE_CREATION_T dispmanx_parameters = { VCHI_VERSION(VC_DISPMANX_VERSION),
DISPMANX_CLIENT_NAME, // 4cc service code
connections[i], // passed in fn ptrs
0, // tx fifo size (unused)
0, // tx fifo size (unused)
&dispmanx_client_callback, // service callback
&dispmanx_message_available_event, // callback parameter
VC_FALSE, // want_unaligned_bulk_rx
VC_FALSE, // want_unaligned_bulk_tx
VC_FALSE, // want_crc
};
SERVICE_CREATION_T dispmanx_parameters2 = { VCHI_VERSION(VC_DISPMANX_VERSION),
DISPMANX_NOTIFY_NAME, // 4cc service code
connections[i], // passed in fn ptrs
0, // tx fifo size (unused)
0, // tx fifo size (unused)
&dispmanx_notify_callback, // service callback
&dispmanx_notify_available_event, // callback parameter
VC_FALSE, // want_unaligned_bulk_rx
VC_FALSE, // want_unaligned_bulk_tx
VC_FALSE, // want_crc
};
success = vchi_service_open( initialise_instance, &dispmanx_parameters, &dispmanx_client.client_handle[i] );
vcos_assert( success == 0 );
// Create the async service of dispman to handle update callback
success = vchi_service_open( initialise_instance, &dispmanx_parameters2, &dispmanx_client.notify_handle[i] );
vcos_assert( success == 0 );
//Create the notifier task
vcos_thread_attr_init(&attrs);
vcos_thread_attr_setstacksize(&attrs, 2048);
vcos_thread_attr_settimeslice(&attrs, 1);
status = vcos_thread_create(&dispmanx_notify_task, "HDispmanx Notify", &attrs, dispmanx_notify_func, NULL);
vcos_assert(status == VCOS_SUCCESS);
// release services until they're actually used
vchi_service_release(dispmanx_client.client_handle[i]);
vchi_service_release(dispmanx_client.notify_handle[i]);
}
}
