Integrating modulator

[m17rt] / m17core / src / tnc.rs

diff --git a/m17core/src/tnc.rs b/m17core/src/tnc.rs
index 8b8e5a1c5bf90be43079927b9196a3377c4c9a88..f3622e5c3351fa73702c8ff67a0f24a9a7d3494f 100644 (file)
--- a/m17core/src/tnc.rs
+++ b/m17core/src/tnc.rs
@@ -1,4 +1,5 @@
 use crate::kiss::{KissBuffer, KissFrame};
+use crate::modem::ModulatorFrame;
 use crate::protocol::{Frame, LichCollection, LsfFrame, Mode, PacketFrameCounter};
 
 /// Handles the KISS protocol and frame management for `SoftModulator` and `SoftDemodulator`.
@@ -65,6 +66,7 @@ impl SoftTnc {
                                 let end = start + payload_len;
                                 rx.packet[start..(start + payload_len)]
                                     .copy_from_slice(&packet.payload);
+                                // TODO: compatible packets should be sent on port 0 too
                                 let kiss =
                                     KissFrame::new_full_packet(&rx.lsf.0, &rx.packet[0..end])
                                         .unwrap();
@@ -128,15 +130,19 @@ impl SoftTnc {
         }
     }
 
-    /// Update the number of samples that have been received by the incoming stream, as a form of timekeeping
-    pub fn advance_samples(&mut self, _samples: u64) {}
-
     pub fn set_data_carrier_detect(&mut self, _dcd: bool) {}
+    
+    pub fn set_now(&mut self, samples: u64) {}
+    
+    pub fn set_tx_end_time(&mut self, in_samples: usize) {
+        // This is a relative time from now, expressed in samples
+        // Use the time from set_now() to decide when to drop PTT
+    }
 
-    pub fn read_tx_frame(&mut self) -> Result<Option<Frame>, SoftTncError> {
-        // yes we want to deal with Frames here
+    pub fn read_tx_frame(&mut self) -> Option<ModulatorFrame> {
+        // yes we want to deal with frames here
         // it's important to establish successful decode that SoftDemodulator is aware of the frame innards
-        Ok(None)
+        None
     }
 
     /// Read KISS message to be sent to host.