Add start_tm ack signal

3 files changed, 14 insertions, 1 deletions

diff --git a/src/fsm/fsm.c b/src/fsm/fsm.c
index 928478f..9c761e3 100644
--- a/src/fsm/fsm.c
+++ b/src/fsm/fsm.c
@@ -278,6 +278,7 @@ void fsm_update() {
             fsm_out.tx_on = 1;
             fsm_out.msg_frequency   = 588;
             fsm_out.cw_dit_duration = 110;
+            fsm_out.ack_start_tm    = 1;
 
             // TODO transmit humidity
             // TODO read voltage
@@ -302,6 +303,7 @@ void fsm_update() {
             fsm_out.tx_on = 1;
             fsm_out.msg_frequency   = 696;
             fsm_out.cw_dit_duration = 70;
+            fsm_out.ack_start_tm    = 1;
 
             // TODO read voltage
             if (fsm_in.wind_generator_ok) {
diff --git a/src/fsm/fsm.h b/src/fsm/fsm.h
index e9a5ba7..690fc2e 100644
--- a/src/fsm/fsm.h
+++ b/src/fsm/fsm.h
@@ -82,6 +82,9 @@ struct fsm_output_signals_t {
     int cw_dit_duration;   // CW speed, dit duration in ms
     int cw_psk31_trigger;  // Set to true to trigger a CW or PSK31 transmission.
                            // PSK31 is sent if cw_dit_duration is 0
+
+    /* Acknowledgements for input signals */
+    int ack_start_tm;      // Set to 1 to clear start_tm
 };
 
 // Initialise local structures
diff --git a/src/fsm/main.c b/src/fsm/main.c
index 1376b4b..bc8501a 100644
--- a/src/fsm/main.c
+++ b/src/fsm/main.c
@@ -344,7 +344,11 @@ static void exercise_fsm(void *pvParameters)
             usart_debug("In QRP %d\r\n", last_qrp);
         }
 
-        fsm_input.start_tm = (tm_trigger == 1 && last_tm_trigger == 0) ? 1 : 0;
+
+        if (tm_trigger == 1 && last_tm_trigger == 0) {
+            fsm_input.start_tm = 1;
+        }
+
         last_tm_trigger = tm_trigger;
 
         fsm_input.cw_psk31_done = !cw_psk31_busy();
@@ -371,6 +375,10 @@ static void exercise_fsm(void *pvParameters)
             cw_psk31_push_message(fsm_out.msg, fsm_out.cw_dit_duration, fsm_out.msg_frequency);
         }
         cw_last_trigger = fsm_out.cw_psk31_trigger;
+
+        if (fsm_out.ack_start_tm) {
+            fsm_input.start_tm = 0;
+        }
     }
 }