diff --git a/Makefile b/Makefile
index 7d0d67f..fd352ff 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,8 @@ CFLAGS ?= -DWITH_ALT_LED9 -DWITHOUT_LEDTABLE_RELOC -DSHOW_TEMP_DATE_WEEKDAY
 LIBSRC = uart_init_.c uart_send_chr.c uart_send_str.c \
 	 rotary_encoder_stat.c \
 	 sevenseg_dec.c sevenseg_dec_inv.c \
-	 int_to_bcd.c getbutton.c
+	 int_to_bcd.c getbutton.c \
+	 getpin.c setpin_lo.c setpin_hi.c setpin.c
 
 LIBOBJ =$(patsubst %.c,%.rel, $(LIBSRC))
 LIBNAME=mc8051fun.lib
diff --git a/getpin.c b/getpin.c
new file mode 100644
index 0000000..40f3275
--- /dev/null
+++ b/getpin.c
@@ -0,0 +1,18 @@
+
+#include "mc8051fun.h"
+
+int getpin(i8051pin_T *pin)
+{
+	switch(pin->port){
+		case 0:
+			return P0 & (1<<(pin->pin)) ? 1:0;
+		case 1:
+			return P1 & (1<<(pin->pin)) ? 1:0;
+		case 2:
+			return P2 & (1<<(pin->pin)) ? 1:0;
+		case 3:
+			return P3 & (1<<(pin->pin)) ? 1:0;
+	}
+
+	return 1;
+}
diff --git a/mc8051fun.h b/mc8051fun.h
index 857a1aa..7338716 100644
--- a/mc8051fun.h
+++ b/mc8051fun.h
@@ -62,6 +62,16 @@ typedef struct {
 } i8051pin_T;
 
 
+void setpin_hi(i8051pin_T *pin);
+void setpin_lo(i8051pin_T *pin);
+int getpin(i8051pin_T *pin);
+void setpin(i8051pin_T *pin, uint8_t val);
+
+
+
+
+
+
 
 
 
diff --git a/setpin.c b/setpin.c
new file mode 100644
index 0000000..1bd49e4
--- /dev/null
+++ b/setpin.c
@@ -0,0 +1,11 @@
+
+#include "mc8051fun.h"
+
+void setpin(i8051pin_T *pin, uint8_t val)
+{
+	if (val)
+		setpin_hi(pin);
+	else
+		setpin_lo(pin);
+
+}
diff --git a/setpin_hi.c b/setpin_hi.c
new file mode 100644
index 0000000..5a973c7
--- /dev/null
+++ b/setpin_hi.c
@@ -0,0 +1,21 @@
+
+#include "mc8051fun.h"
+
+void setpin_hi(i8051pin_T *pin)
+{
+	switch(pin->port){
+		case 0:
+			P0 |= (1<<pin->pin);
+			break;
+		case 1:
+			P1 |= (1<<pin->pin);
+			break;
+		case 2:
+			P2 |= (1<<pin->pin);
+			break;
+		case 3:
+			P3 |= (1<<pin->pin);
+			break;
+	}
+}
+
diff --git a/setpin_lo.c b/setpin_lo.c
new file mode 100644
index 0000000..dd39ce0
--- /dev/null
+++ b/setpin_lo.c
@@ -0,0 +1,20 @@
+#include "mc8051fun.h"
+
+void setpin_lo(i8051pin_T *pin)
+{
+	switch(pin->port){
+		case 0:
+			P0 &= (1<<pin->pin) ^ 0xFF;
+			break;
+		case 1:
+			P1 &= (1<<pin->pin) ^ 0xFF;
+			break;
+		case 2:
+			P2 &= (1<<pin->pin) ^ 0xFF;
+			break;
+		case 3:
+			P3 &= (1<<pin->pin) ^ 0xFF;
+			break;
+	}
+}
+