nrf_rpc: add Kconfig to configure default group flags

By default, groups defined with NRF_RPC_GROUP_DEFINE()
are initiators (send an init packet to the peer) and wait
for initialization (until they receive an init packet from
the peer).

Make it possible to override these settings with Kconfig
so that one can decide which device is an initiator and
which is a responder.

Signed-off-by: Damian Krolik <[email protected]>

Author: Damian-Nordic

nrf_rpc/Kconfig

@@ -46,6 +46,21 @@ config NRF_RPC_GROUP_INIT_WAIT_TIME
 	  The number of milliseconds to wait for the remote cores to send group
 	  init packets with destination group IDs. Set to -1 to wait forever.
 
+config NRF_RPC_GROUP_DEFAULT_INITIATOR
+	bool "Initiate group binding by default"
+	default y
+	help
+	  For each group defined with NRF_RPC_GROUP_DEFINE macro, initiate the
+	  group binding when calling nrf_rpc_init(). This is achieved by sending
+	  an initialization packet to the peer.
+
+config NRF_RPC_GROUP_DEFAULT_WAIT_ON_INIT
+	bool "Wait for group binding by default"
+	default y
+	help
+	  For each group defined with NRF_RPC_GROUP_DEFINE macro, wait until the
+	  group is bound when calling nrf_rpc_init().
+
 config NRF_RPC_THREAD_POOL_SIZE
 	int "Number of threads in local thread pool"
 	default 3

nrf_rpc/include/nrf_rpc.h

@@ -238,11 +238,11 @@ struct nrf_rpc_err_report {
  *                     error occurred in context of this group. Can be NULL if
  *                     group does not want to receive error notifications.
  */
-#define NRF_RPC_GROUP_DEFINE(_name, _strid, _transport, _ack_handler, _ack_data,  \
-			     _err_handler)				          \
-	NRF_RPC_GROUP_DEFINE_INTERNAL__(_name, _strid, _transport, _ack_handler,  \
-					_ack_data, _err_handler, NULL, true,      \
-					true)				          \
+#define NRF_RPC_GROUP_DEFINE(_name, _strid, _transport, _ack_handler, _ack_data, _err_handler)     \
+	NRF_RPC_GROUP_DEFINE_INTERNAL__(_name, _strid, _transport, _ack_handler, _ack_data,        \
+					_err_handler, NULL,                                        \
+					IS_ENABLED(CONFIG_NRF_RPC_GROUP_DEFAULT_WAIT_ON_INIT),     \
+					IS_ENABLED(CONFIG_NRF_RPC_GROUP_DEFAULT_INITIATOR))
 
 /** @brief Define a non-blocking group of commands and events.
  *