#include "callout.h"
#include "rc_proto.h"
+#include "xbee_user.h"
#include "main.h"
/* */
}
/* send a hello message */
-// XXX iovec for xbee ?
int8_t rc_proto_send_hello(uint64_t addr, void *data, uint8_t data_len)
{
- struct {
- struct rc_proto_echo_req hdr;
- char buf[XBEE_MAX_FRAME_LEN - sizeof(struct rc_proto_echo_req)];
- } frame;
+ struct rc_proto_echo_req hdr;
+ struct xbee_msg msg;
- if (data_len > sizeof(frame.buf))
- return -1;
+ hdr.type = RC_PROTO_HELLO;
+ hdr.datalen = data_len;
+
+ msg.iovlen = 2;
+ msg.iov[0].buf = &hdr;
+ msg.iov[0].len = sizeof(hdr);
+ msg.iov[1].buf = data;
+ msg.iov[1].len = data_len;
- frame.hdr.type = RC_PROTO_HELLO;
- frame.hdr.datalen = data_len;
- memcpy(frame.buf, data, data_len);
- return xbeeapp_send_msg(addr, &frame,
- data_len + sizeof(struct rc_proto_echo_req), 1);
+ return xbeeapp_send_msg(addr, &msg, 1);
}