tweak

doc/lorapipe.1.md

@@ -402,7 +402,15 @@ before the port and command on the command line.
    some corner cases where this is not possible.  The details will be
    logged with **lorapipe**'s logging facility, and are therefore only
    visible if **--debug** is also used.
-   
+
+**--pack**
+:  Attempt to pack as many bytes into each transmitted frame as
+   possible.  Ordinarily, the **pipe** and **kiss** commands attempt
+   -- though do not guarantee -- to preserve original framing from the
+   operating system.  With **--pack**, instead the effort is made to
+   absolutely minimize the number of transmitted frames by putting as
+   much data as possible into each.
+
 **-V**, **--version**
 :  Display the version number of **lorapipe**.
 
@@ -433,8 +441,7 @@ before the port and command on the command line.
    transmitted over the air will be one byte larger due to
    **lorapipe** collision mitigation as described above.
    Experimentation myself, and reports from others, suggests that LoRa
-   works best when this is 100 or less.  Valid only for **kiss** and
-   **pipe** commands; ignored for all others.
+   works best when this is 100 or less.
 
 *PORT*
 :  The name of the serial port to which the radio is attached.

src/lorastik.rs

@@ -116,7 +116,7 @@ impl LoraStik {
     /// parameters after a read.
     pub fn new(ser: LoraSer, readqual: bool, txwait: u64, eotwait: u64, maxpacketsize: usize, pack: bool, txslot: u64) -> (LoraStik, crossbeam_channel::Receiver<ReceivedFrames>) {
         let (readerlinestx, readerlinesrx) = crossbeam_channel::unbounded();
-        let (txblockstx, txblocksrx) = crossbeam_channel::bounded(3);
+        let (txblockstx, txblocksrx) = crossbeam_channel::bounded(2);
         let (readeroutput, readeroutputreader) = crossbeam_channel::unbounded();
 
         let ser2 = ser.clone();