diff --git a/src/openmvrpc.cpp b/src/openmvrpc.cpp
index d33e29d..013f1c1 100644
--- a/src/openmvrpc.cpp
+++ b/src/openmvrpc.cpp
@@ -907,6 +907,22 @@ RPC_HARDWARE_SERIAL_UART_MASTER_IMPLEMENTATION(2,SERIAL_PORT_HARDWARE2)
 RPC_HARDWARE_SERIAL_UART_MASTER_IMPLEMENTATION(3,SERIAL_PORT_HARDWARE3)
 #endif
 
+#ifdef SERIAL_PORT_HARDWARE4
+RPC_HARDWARE_SERIAL_UART_MASTER_IMPLEMENTATION(4,SERIAL_PORT_HARDWARE4)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE5
+RPC_HARDWARE_SERIAL_UART_MASTER_IMPLEMENTATION(5,SERIAL_PORT_HARDWARE5)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE6
+RPC_HARDWARE_SERIAL_UART_MASTER_IMPLEMENTATION(6,SERIAL_PORT_HARDWARE6)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE7
+RPC_HARDWARE_SERIAL_UART_MASTER_IMPLEMENTATION(7,SERIAL_PORT_HARDWARE7)
+#endif
+
 #ifdef SERIAL_PORT_USBVIRTUAL
 RPC_HARDWARE_SERIAL_UART_MASTER_IMPLEMENTATION(USB,SERIAL_PORT_USBVIRTUAL)
 #endif
@@ -947,6 +963,22 @@ RPC_HARDWARE_SERIAL_UART_SLAVE_IMPLEMENTATION(2,SERIAL_PORT_HARDWARE2)
 RPC_HARDWARE_SERIAL_UART_SLAVE_IMPLEMENTATION(3,SERIAL_PORT_HARDWARE3)
 #endif
 
+#ifdef SERIAL_PORT_HARDWARE4
+RPC_HARDWARE_SERIAL_UART_SLAVE_IMPLEMENTATION(4,SERIAL_PORT_HARDWARE4)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE5
+RPC_HARDWARE_SERIAL_UART_SLAVE_IMPLEMENTATION(5,SERIAL_PORT_HARDWARE5)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE6
+RPC_HARDWARE_SERIAL_UART_SLAVE_IMPLEMENTATION(6,SERIAL_PORT_HARDWARE6)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE7
+RPC_HARDWARE_SERIAL_UART_SLAVE_IMPLEMENTATION(7,SERIAL_PORT_HARDWARE7)
+#endif
+
 #ifdef SERIAL_PORT_USBVIRTUAL
 RPC_HARDWARE_SERIAL_UART_SLAVE_IMPLEMENTATION(USB,SERIAL_PORT_USBVIRTUAL)
 #endif
diff --git a/src/openmvrpc.h b/src/openmvrpc.h
index b7bf359..85a8044 100644
--- a/src/openmvrpc.h
+++ b/src/openmvrpc.h
@@ -345,6 +345,22 @@ RPC_HARDWARE_SERIAL_UART_MASTER(2,SERIAL_PORT_HARDWARE2)
 RPC_HARDWARE_SERIAL_UART_MASTER(3,SERIAL_PORT_HARDWARE3)
 #endif
 
+#ifdef SERIAL_PORT_HARDWARE4
+RPC_HARDWARE_SERIAL_UART_MASTER(4,SERIAL_PORT_HARDWARE4)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE5
+RPC_HARDWARE_SERIAL_UART_MASTER(5,SERIAL_PORT_HARDWARE5)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE6
+RPC_HARDWARE_SERIAL_UART_MASTER(6,SERIAL_PORT_HARDWARE6)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE7
+RPC_HARDWARE_SERIAL_UART_MASTER(7,SERIAL_PORT_HARDWARE7)
+#endif
+
 #ifdef SERIAL_PORT_USBVIRTUAL
 RPC_HARDWARE_SERIAL_UART_MASTER(USB,SERIAL_PORT_USBVIRTUAL)
 #endif
@@ -383,6 +399,22 @@ RPC_HARDWARE_SERIAL_UART_SLAVE(2,SERIAL_PORT_HARDWARE2)
 RPC_HARDWARE_SERIAL_UART_SLAVE(3,SERIAL_PORT_HARDWARE3)
 #endif
 
+#ifdef SERIAL_PORT_HARDWARE4
+RPC_HARDWARE_SERIAL_UART_SLAVE(4,SERIAL_PORT_HARDWARE4)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE5
+RPC_HARDWARE_SERIAL_UART_SLAVE(5,SERIAL_PORT_HARDWARE5)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE6
+RPC_HARDWARE_SERIAL_UART_SLAVE(6,SERIAL_PORT_HARDWARE6)
+#endif
+
+#ifdef SERIAL_PORT_HARDWARE7
+RPC_HARDWARE_SERIAL_UART_SLAVE(7,SERIAL_PORT_HARDWARE7)
+#endif
+
 #ifdef SERIAL_PORT_USBVIRTUAL
 RPC_HARDWARE_SERIAL_UART_SLAVE(USB,SERIAL_PORT_USBVIRTUAL)
 #endif