diff --git a/Core/Inc/protocan.h b/Core/Inc/protocan.h
index 99fa270..466f33c 100644
--- a/Core/Inc/protocan.h
+++ b/Core/Inc/protocan.h
@@ -8,9 +8,21 @@
 #define ONLINE 1;
 #define OFFLINE 0;
 
-#define ID_MAIN_DEVICE 0x000
+#ifndef YESNO
+#define YESNO
+#define YES 1
+#define NO 0
+#endif
+
+#define ISPM NO
+
+#ifndef CURRENT_TYPE_DEVICE
 #define CURRENT_TYPE_DEVICE 0b001
+#endif
+
+#ifndef CURRENT_ID_DEVICE
 #define CURRENT_ID_DEVICE 0b0010
+#endif
 
 #define PROTOCAN_RX_BUFFER_SIZE 128
 
diff --git a/Core/Src/protocan.c b/Core/Src/protocan.c
index b5dcb5a..8691f2e 100644
--- a/Core/Src/protocan.c
+++ b/Core/Src/protocan.c
@@ -1414,9 +1414,13 @@ void PROTOCAN_FILTERS()
 	#define BITS_20_23_MASK (0xFUL << 20)       // 4 бита (20..23)
 	#define BITS_24_26_MASK (0x7UL << 24)       // 3 бита (24..26)
 	
-	uint32_t filter1_id = BIT27 | (CURRENT_TYPE_DEVICE << 24) | (CURRENT_ID_DEVICE << 20);
+	#if ISPM == 0
+	uint32_t filter1_id = 0 | (CURRENT_TYPE_DEVICE << 24) | (CURRENT_ID_DEVICE << 20);
 	uint32_t filter1_mask = BIT27 | BITS_24_26_MASK | BITS_20_23_MASK; // все проверяемые биты
-
+	#else
+	uint32_t filter1_id = BIT27;
+	uint32_t filter1_mask = BIT27; // все проверяемые биты
+	#endif
 	#define BITS_16_19_MASK (0xFUL << 16)
 
 	uint32_t filter2_id = PROTOCAN_MSGTYPE_BROADCAST << 16;