From c31fd202c55bc94a8005701f52f79ce35836b722 Mon Sep 17 00:00:00 2001
From: Ferdia McKeogh <ferdiamckeogh@outlook.com>
Date: Tue, 16 Feb 2016 17:33:30 +0000
Subject: [PATCH] Update serial.h

---
 src/main/io/serial.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main/io/serial.h b/src/main/io/serial.h
index b5dd13f010..174501985b 100644
--- a/src/main/io/serial.h
+++ b/src/main/io/serial.h
@@ -33,6 +33,7 @@ typedef enum {
     FUNCTION_TELEMETRY_SMARTPORT = (1 << 5), // 32
     FUNCTION_RX_SERIAL           = (1 << 6), // 64
     FUNCTION_BLACKBOX            = (1 << 7), // 128
+    FUNCTION_PASSTHROUGH         = (1 << 8), // 256
 } serialPortFunction_e;
 
 typedef enum {
@@ -92,6 +93,7 @@ typedef struct serialConfig_s {
     serialPortConfig_t portConfigs[SERIAL_PORT_COUNT];
 } serialConfig_t;
 
++typedef void serialConsumer(uint8_t);
 
 //
 // configuration
@@ -108,7 +110,7 @@ serialPortConfig_t *findNextSerialPortConfig(serialPortFunction_e function);
 portSharing_e determinePortSharing(serialPortConfig_t *portConfig, serialPortFunction_e function);
 bool isSerialPortShared(serialPortConfig_t *portConfig, uint16_t functionMask, serialPortFunction_e sharedWithFunction);
 
-
+serialPortUsage_t *findSerialPortUsageByIdentifier(serialPortIdentifier_e identifier);
 
 //
 // runtime
@@ -133,3 +135,7 @@ baudRate_e lookupBaudRateIndex(uint32_t baudRate);
 //
 void evaluateOtherData(serialPort_t *serialPort, uint8_t receivedChar);
 void handleSerial(void);
+
+void evaluateOtherData(serialPort_t *serialPort, uint8_t receivedChar);
+void handleSerial(void);
+void serialPassthrough(serialPort_t *left, serialPort_t *right, serialConsumer *leftC, serialConsumer *rightC);