ptalog: Add GPIO-based synchronization functions

1 files changed, 17 insertions, 5 deletions

diff --git a/include/object/ptalog.h b/include/object/ptalog.h
index 6b00e78..f53dcc5 100644
--- a/include/object/ptalog.h
+++ b/include/object/ptalog.h
@@ -13,25 +13,26 @@ class PTALog {
 		log_entry log[32];
 		uint8_t log_index;
 
-		PTALog() : log_index(0) {}
+		PTALog(uint8_t pin_number) : log_index(0), sync_pin(pin_number) {}
 
-		void passTransition(uint8_t transition_id)
+		inline void passTransition(uint8_t transition_id)
 		{
 			log[log_index].transition_id = transition_id;
 			log_index++;
 		}
 
-		void reset()
+		inline void reset()
 		{
 			log_index = 0;
 		}
 
-		void startBenchmark(uint8_t id)
+		inline void startBenchmark(uint8_t id)
 		{
 			kout << "[PTA] benchmark start, id=" << dec << id << endl;
+			gpio.output(sync_pin);
 		}
 
-		void stopBenchmark()
+		inline void stopBenchmark()
 		{
 			kout << "[PTA] benchmark stop" << endl;
 		}
@@ -44,8 +45,19 @@ class PTALog {
 			}
 		}
 
+		inline void startTransition()
+		{
+			gpio.write(sync_pin, 1);
+		}
+
+		inline void stopTransition()
+		{
+			gpio.write(sync_pin, 0);
+		}
+
 	private:
 		PTALog(const PTALog& copy);
+		uint8_t sync_pin;
 };
 
 #endif