examples/twr_aloha: default print rng result only on initiator

RIOT-OS · Apr 27, 2022 · a5f54b5 · a5f54b5
1 parent f5a4a48
commit a5f54b5
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Showing 2 changed files with 19 additions and 2 deletions.
diff --git a/examples/twr_aloha/control.c b/examples/twr_aloha/control.c
@@ -149,6 +149,7 @@ static bool _complete_cb(struct uwb_dev *inst, struct uwb_mac_interface *cbs)
         event_post(uwb_core_get_eventq(), &_rng_listen_event.super);
         return false;
     }
+
     /* get received frame */
     struct uwb_rng_instance *rng = (struct uwb_rng_instance *)cbs->inst_ptr;
 
@@ -157,6 +158,15 @@ static bool _complete_cb(struct uwb_dev *inst, struct uwb_mac_interface *cbs)
     /* parse data*/
     uwb_core_rng_data_t data;
 
+    /* with ss twr, the last frame will hold the initiator as the src address,
+       with ds twr, it will hold the responder address */
+    if (IS_ACTIVE(CONFIG_TWR_PRINTF_INITIATOR_ONLY) &&
+        ((frame->code < UWB_DATA_CODE_DS_TWR && frame->src_address != _udev->uid) ||
+         (frame->code >= UWB_DATA_CODE_DS_TWR && frame->dst_address != _udev->uid))) {
+        event_post(uwb_core_get_eventq(), &_rng_listen_event.super);
+        return true;
+    }
+
     data.src = frame->src_address;
     data.dest = frame->dst_address;
     data.time = ztimer_now(ZTIMER_MSEC);

diff --git a/examples/twr_aloha/control.h b/examples/twr_aloha/control.h
@@ -31,14 +31,21 @@ extern "C" {
  * @brief   Block after a request is sent
  */
 #ifndef CONFIG_TWR_SHELL_BLOCKING
-#define CONFIG_TWR_SHELL_BLOCKING       1
+#define CONFIG_TWR_SHELL_BLOCKING           1
 #endif
 
 /**
  * @brief   Minimum idle time to enable putting the radio to sleep
  */
 #ifndef CONFIG_TWR_MIN_IDLE_SLEEP_MS
-#define CONFIG_TWR_MIN_IDLE_SLEEP_MS    20
+#define CONFIG_TWR_MIN_IDLE_SLEEP_MS        20
+#endif
+
+/*
+ * @brief   Block after a request is sent
+ */
+#ifndef CONFIG_TWR_PRINTF_INITIATOR_ONLY
+#define CONFIG_TWR_PRINTF_INITIATOR_ONLY    1
 #endif
 
 /**