From 4e7ff0df284afeacb2f543d2c64b70d9f7aaeb96 Mon Sep 17 00:00:00 2001
From: shuguo <shuguo.zhuo@inria.fr>
Date: Thu, 12 Apr 2018 13:26:30 +0800
Subject: [PATCH] gnrc_gomach: enabling duty-cycle printing

---
 sys/include/net/gnrc/mac/types.h        |  7 ++++++
 sys/net/gnrc/link_layer/gomach/gomach.c | 29 ++++++++++---------------
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/sys/include/net/gnrc/mac/types.h b/sys/include/net/gnrc/mac/types.h
index ed70a61706..c69b301436 100644
--- a/sys/include/net/gnrc/mac/types.h
+++ b/sys/include/net/gnrc/mac/types.h
@@ -40,6 +40,13 @@
 extern "C" {
 #endif
 
+/**
+ * @brief   MAC message type for getting radio's duty-cycle.
+ */
+#ifndef GNRC_MAC_TYPE_GET_DUTYCYCLE
+#define GNRC_MAC_TYPE_GET_DUTYCYCLE      (0x4401)
+#endif
+
 /**
  * @brief definition for device transmission feedback types
  */
diff --git a/sys/net/gnrc/link_layer/gomach/gomach.c b/sys/net/gnrc/link_layer/gomach/gomach.c
index e1ecf5b1dd..a3b6384b1f 100644
--- a/sys/net/gnrc/link_layer/gomach/gomach.c
+++ b/sys/net/gnrc/link_layer/gomach/gomach.c
@@ -949,15 +949,6 @@ static void gomach_t2k_end(gnrc_netif_t *netif)
     netif->mac.rx.listen_state = GNRC_GOMACH_LISTEN_SLEEP;
     gnrc_gomach_set_enter_new_cycle(netif, false);
     gnrc_gomach_set_update(netif, true);
-
-#if (GNRC_GOMACH_ENABLE_DUTYCYLE_RECORD == 1)
-    /* Output duty-cycle ratio */
-    uint64_t duty;
-    duty = xtimer_now_usec64();
-    duty = (netif->mac.prot.gomach.awake_duration_sum_ticks) * 100 /
-           (duty - netif->mac.prot.gomach.system_start_time_ticks);
-    printf("[GoMacH]: achieved radio duty-cycle: %lu %% \n", (uint32_t)duty);
-#endif
 }
 
 static void gomach_t2k_update(gnrc_netif_t *netif)
@@ -1406,15 +1397,6 @@ static void gomach_t2u_end(gnrc_netif_t *netif)
     netif->mac.rx.listen_state = GNRC_GOMACH_LISTEN_SLEEP;
     gnrc_gomach_set_enter_new_cycle(netif, false);
     gnrc_gomach_set_update(netif, true);
-
-#if (GNRC_GOMACH_ENABLE_DUTYCYLE_RECORD == 1)
-    /* Output duty-cycle ratio */
-    uint64_t duty;
-    duty = xtimer_now_usec64();
-    duty = (netif->mac.prot.gomach.awake_duration_sum_ticks) * 100 /
-           (duty - netif->mac.prot.gomach.system_start_time_ticks);
-    printf("[GoMacH]: achieved radio duty-cycle: %lu %% \n", (uint32_t)duty);
-#endif
 }
 
 static void gomach_t2u_update(gnrc_netif_t *netif)
@@ -2004,6 +1986,17 @@ static void _gomach_msg_handler(gnrc_netif_t *netif, msg_t *msg)
             gnrc_gomach_set_update(netif, true);
             break;
         }
+#if (GNRC_MAC_ENABLE_DUTYCYCLE_RECORD == 1)
+        case GNRC_MAC_TYPE_GET_DUTYCYCLE: {
+            /* Output GoMacH's current radio duty-cycle. */
+            uint64_t duty;
+            duty = xtimer_now_usec64();
+            duty = (netif->mac.prot.gomach.awake_duration_sum_ticks) * 100 /
+                   (duty - netif->mac.prot.gomach.system_start_time_ticks);
+            printf("[GoMacH]: achieved radio duty-cycle: %lu %% \n", (uint32_t)duty);
+            break;
+        }
+#endif
         default: {
             DEBUG("[GoMacH]: Unknown command %" PRIu16 "\n", msg->type);
             break;