values for the options and OPCPIPE_PARAMS::Options in starting a connection, bitwise

Macros
#define	TU_OPT_SENDCACHE_OVERWRITE   0x0001
	data in send cache will be overwritten else no send cache
#define	TU_OPT_BLOCK   0x0002
	all functions are blocking if the connection exists and send buffer is full
#define	TU_OPT_MEMLIM_10M   0x0004
	limit memory for frames to 10 MB
#define	TU_OPT_MEMLIM_1M   0x0008
	limit memory for frames to 1 MB
#define	TU_OPT_MEMLIM_100K   0x0010
	limit memory for frames to 100 K
#define	TU_OPT_MEMLIM_50K   0x0020
	limit memory for frames to 50 K
#define	TU_OPT_MEMLIM_MASK   0x003c
	mask for memory limits
#define	TU_OPT_DEVICE_DATA_ACK   0x0040
	connection uses acks for device data
#define	TU_OPT_NO_WRITE_WITH_WRONG_TYPE   0x0080
	disable data conversion on write; required for strict UA spec compatibility
#define	TU_OPT_ENABLE_REC_QUEUE   0x0100
	enable receive queue in PLC Engine (useful mainly for MQTT)

Detailed Description