[layer1] Adding neighbour cell measurement code to layer1.

When listening to BCCH, layer1 may measure the power level of neighbour
cells. A list of neighbour cell frequencies need to be sent to layer1.
After the measurement is done, the results are indicated to layer23.

3 files changed, 14 insertions, 0 deletions

diff --git a/src/target/firmware/include/layer1/mframe_sched.h b/src/target/firmware/include/layer1/mframe_sched.h
index fa944221..3b2039a2 100644
--- a/src/target/firmware/include/layer1/mframe_sched.h
+++ b/src/target/firmware/include/layer1/mframe_sched.h
@@ -28,6 +28,10 @@ enum mframe_task {
 	MF_TASK_TCH_H_0,
 	MF_TASK_TCH_H_1,
 
+	MF_TASK_NEIGH_PM51,
+	MF_TASK_NEIGH_PM26E,
+	MF_TASK_NEIGH_PM26O,
+
 	/* Test task: send Normal Burst in all timeslots */
 	MF_TASK_UL_ALL_NB,
 };
diff --git a/src/target/firmware/include/layer1/prim.h b/src/target/firmware/include/layer1/prim.h
index 44a01cbc..30c51ae6 100644
--- a/src/target/firmware/include/layer1/prim.h
+++ b/src/target/firmware/include/layer1/prim.h
@@ -29,5 +29,6 @@ extern const struct tdma_sched_item nb_sched_set_ul[];
 extern const struct tdma_sched_item tch_sched_set[];
 extern const struct tdma_sched_item tch_a_sched_set[];
 extern const struct tdma_sched_item tch_d_sched_set[];
+extern const struct tdma_sched_item neigh_pm_sched_set[];
 
 #endif /* _L1_PRIM_H */
diff --git a/src/target/firmware/include/layer1/sync.h b/src/target/firmware/include/layer1/sync.h
index 07962052..8ed2cb1e 100644
--- a/src/target/firmware/include/layer1/sync.h
+++ b/src/target/firmware/include/layer1/sync.h
@@ -142,6 +142,15 @@ struct l1s_state {
 			struct l1s_h1 st_h1;
 		};
 	} dedicated;
+
+	/* neighbour cell power measurement process */
+	struct {
+		uint8_t n, second;
+		uint8_t pos;
+		uint8_t running;
+		uint16_t band_arfcn[64];
+		uint8_t	level[64];
+	} neigh_pm;
 };
 
 extern struct l1s_state l1s;