diff --git a/Multiprotocol/Multiprotocol_STM32.h b/Multiprotocol/Multiprotocol_STM32.h
index 3142600..9a0f7f9 100644
--- a/Multiprotocol/Multiprotocol_STM32.h
+++ b/Multiprotocol/Multiprotocol_STM32.h
@@ -210,6 +210,7 @@ enum FRSKYX
 #define cli() noInterrupts()
 #define sei() interrupts()
 #define _delay_us(x) delayMicroseconds(x)
+#define delaymilliseconds(x) delay()
 //
 #endif
 
@@ -266,6 +267,19 @@ enum FRSKYX
 #define RX_MISSED_BUFF_on	protocol_flags2 |= _BV(2)
 #define IS_RX_MISSED_BUFF_on	( ( protocol_flags2 & _BV(2) ) !=0 )
 
+#ifndef STM32_board
+#define TX_MAIN_PAUSE_off		protocol_flags2 &= ~_BV(3)
+#define TX_MAIN_PAUSE_on			protocol_flags2 |= _BV(3)
+#define IS_TX_MAIN_PAUSE_on		( ( protocol_flags2 & _BV(3) ) !=0 )
+
+#define TX_RX_PAUSE_off		protocol_flags2 &= ~_BV(4)
+#define TX_RX_PAUSE_on			protocol_flags2 |= _BV(4)
+#define IS_TX_RX_PAUSE_on		( ( protocol_flags2 & _BV(4) ) !=0 )
+
+#define IS_TX_PAUSE_on		( ( protocol_flags2 & (_BV(4)|_BV(3)) ) !=0 )
+#endif
+
+
 #define BLINK_BIND_TIME	100
 #define BLINK_SERIAL_TIME	500
 #define BLINK_BAD_PROTO_TIME_LOW	1000
@@ -495,11 +509,3 @@ Serial: 100000 Baud 8e2      _ xxxx xxxx p --
 	2047	+125%
    Channels bits are concatenated to fit in 22 bytes like in SBUS protocol
 */
-
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-