Suppressed declaration of not required variables and functions

67 files changed, 145 insertions, 178 deletions

diff --git a/src/c/hardware/avr/adc/u8AVRADCSetups.c b/src/c/hardware/avr/adc/u8AVRADCSetups.c
index 620f80f..f9d310b 100644
--- a/src/c/hardware/avr/adc/u8AVRADCSetups.c
+++ b/src/c/hardware/avr/adc/u8AVRADCSetups.c
@@ -26,7 +26,7 @@
 #include "AVRPeripheralADC.h"
 
 
-uint8 u8AVRADCSetups(uint8 prescalar, uint8 adc_ref)
+void u8AVRADCSetups(uint8 prescalar, uint8 adc_ref)
 {
     /*Set the prescalar value*/
     ADCSRA |= (prescalar & 0x07);
@@ -37,6 +37,5 @@ uint8 u8AVRADCSetups(uint8 prescalar, uint8 adc_ref)
     /*Enable ADC hardware. Set ADEN bit*/
     ADCSRA |= (1<<7); 	
 
-    return 0;
 }
 
diff --git a/src/c/hardware/avr/gpio/u8AVRDigitalOuts.c b/src/c/hardware/avr/gpio/u8AVRDigitalOuts.c
index 5ee84a8..118da54 100644
--- a/src/c/hardware/avr/gpio/u8AVRDigitalOuts.c
+++ b/src/c/hardware/avr/gpio/u8AVRDigitalOuts.c
@@ -25,7 +25,7 @@
 
 #include "AVRPeripheralGPIO.h"
 
-uint8 u8AVRDigitalOuts(uint8 port,uint8 pin,uint8 state)
+void u8AVRDigitalOuts(uint8 port,uint8 pin,uint8 state)
 {
     if(state == LOW)
     {/*Make output pin high*/
@@ -65,5 +65,4 @@ uint8 u8AVRDigitalOuts(uint8 port,uint8 pin,uint8 state)
 	    PORTD = PORTD | (1<<pin);
 	}
     }
-return 0;
 }
diff --git a/src/c/hardware/avr/gpio/u8AVRDigitalSetups.c b/src/c/hardware/avr/gpio/u8AVRDigitalSetups.c
index 46697f7..e28c468 100644
--- a/src/c/hardware/avr/gpio/u8AVRDigitalSetups.c
+++ b/src/c/hardware/avr/gpio/u8AVRDigitalSetups.c
@@ -25,7 +25,7 @@
 #include "AVRPeripheralGPIO.h"
 
 
-uint8 u8AVRDigitalSetups(uint8 port,uint8 pin,uint8 direction)
+void u8AVRDigitalSetups(uint8 port,uint8 pin,uint8 direction)
 {
     
     if (direction == INPUT)
@@ -66,6 +66,5 @@ uint8 u8AVRDigitalSetups(uint8 port,uint8 pin,uint8 direction)
 	    DDRD = DDRD | (1<<pin);
    	}
     }
-return 0;
 }
 
diff --git a/src/c/hardware/avr/includes/AVRPeripheralADC.h b/src/c/hardware/avr/includes/AVRPeripheralADC.h
index e343de6..736c340 100644
--- a/src/c/hardware/avr/includes/AVRPeripheralADC.h
+++ b/src/c/hardware/avr/includes/AVRPeripheralADC.h
@@ -15,7 +15,7 @@ extern "C" {
 #endif
 
 //Function prototypes
-uint8 u8AVRADCSetups(uint8 prescalar, uint8 adc_ref);
+void u8AVRADCSetups(uint8 prescalar, uint8 adc_ref);
 
 uint16 u8AVRReadADCs(uint8 channel);
 
diff --git a/src/c/hardware/avr/includes/AVRPeripheralGPIO.h b/src/c/hardware/avr/includes/AVRPeripheralGPIO.h
index ddbeb2d..37f2377 100644
--- a/src/c/hardware/avr/includes/AVRPeripheralGPIO.h
+++ b/src/c/hardware/avr/includes/AVRPeripheralGPIO.h
@@ -32,11 +32,11 @@ extern "C" {
 #define HIGH 1
 
 //Function prototypes
-uint8 u8AVRDigitalSetups(uint8 port,uint8 pin,uint8 direction);
+void u8AVRDigitalSetups(uint8 port,uint8 pin,uint8 direction);
 
 uint8 u8AVRDigitalIns(uint8 port,uint8 pin);
 
-uint8 u8AVRDigitalOuts(uint8 port,uint8 pin,uint8 state);
+void u8AVRDigitalOuts(uint8 port,uint8 pin,uint8 state);
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/src/c/hardware/avr/includes/AVRPeripheralPWM.h b/src/c/hardware/avr/includes/AVRPeripheralPWM.h
index 7371dd7..2e41db6 100644
--- a/src/c/hardware/avr/includes/AVRPeripheralPWM.h
+++ b/src/c/hardware/avr/includes/AVRPeripheralPWM.h
@@ -15,9 +15,9 @@ extern "C" {
 #endif
 
 //Function prototypes
-uint8 u8AVRPWMSetups(uint8 timer, uint8 prescalar, uint8 waveform_mode, uint8 output_mode);
+void u8AVRPWMSetups(uint8 timer, uint8 prescalar, uint8 waveform_mode, uint8 output_mode);
 
-uint8 u8AVRPWMSetDutys(uint8 timer, uint8 duty);
+void u8AVRPWMSetDutys(uint8 timer, uint8 duty);
 
 
 #ifdef  __cplusplus
diff --git a/src/c/hardware/avr/pwm/u8AVRPWMSetDutys.c b/src/c/hardware/avr/pwm/u8AVRPWMSetDutys.c
index adb186a..0f358fc 100644
--- a/src/c/hardware/avr/pwm/u8AVRPWMSetDutys.c
+++ b/src/c/hardware/avr/pwm/u8AVRPWMSetDutys.c
@@ -19,7 +19,7 @@
 
 #include "AVRPeripheralPWM.h"
 
-uint8 u8AVRPWMSetDutys(uint8 timer, uint8 duty)
+void u8AVRPWMSetDutys(uint8 timer, uint8 duty)
 {
 	uint8 duty_value=0;
 
diff --git a/src/c/hardware/avr/pwm/u8AVRPWMSetups.c b/src/c/hardware/avr/pwm/u8AVRPWMSetups.c
index 5110d81..945f231 100644
--- a/src/c/hardware/avr/pwm/u8AVRPWMSetups.c
+++ b/src/c/hardware/avr/pwm/u8AVRPWMSetups.c
@@ -33,7 +33,7 @@
 #include "AVRPeripheralPWM.h"
 
 
-uint8 u8AVRPWMSetups(uint8 timer, uint8 prescalar, uint8 waveform_mode, uint8 output_mode)
+void u8AVRPWMSetups(uint8 timer, uint8 prescalar, uint8 waveform_mode, uint8 output_mode)
 {
 	switch(timer)
 	{
@@ -56,7 +56,5 @@ uint8 u8AVRPWMSetups(uint8 timer, uint8 prescalar, uint8 waveform_mode, uint8 ou
 				TCCR2 |= ((output_mode & 0x02) << 6);  //WGM1
 				break;
 	}	    
-
-	return 0;
 }
 
diff --git a/src/c/hardware/rasberrypi/gpio/u8RPIDigitalOuts.c b/src/c/hardware/rasberrypi/gpio/u8RPIDigitalOuts.c
index a5f80e5..f828f77 100644
--- a/src/c/hardware/rasberrypi/gpio/u8RPIDigitalOuts.c
+++ b/src/c/hardware/rasberrypi/gpio/u8RPIDigitalOuts.c
@@ -17,12 +17,10 @@
 #include "RPIPeripheralDigital.h"
 
 /*pin is reduced by one as array index starts from 0 and pin no starts from 1*/
-uint8 u8RPIDigitalOuts(uint8 pin, uint8 state)
+void u8RPIDigitalOuts(uint8 pin, uint8 state)
 {
 	if (state == 0)  /*low output*/
 		digitalWrite(phy_pin[pin-1], LOW);
 	if (state == 1)  /*high output*/
 		digitalWrite(phy_pin[pin-1], HIGH);
-
-	return 0;
 }
diff --git a/src/c/hardware/rasberrypi/gpio/u8RPIDigitalSetups.c b/src/c/hardware/rasberrypi/gpio/u8RPIDigitalSetups.c
index 37cfc03..fa86025 100644
--- a/src/c/hardware/rasberrypi/gpio/u8RPIDigitalSetups.c
+++ b/src/c/hardware/rasberrypi/gpio/u8RPIDigitalSetups.c
@@ -26,7 +26,7 @@ int phy_pin[] = {17, 17, 8, 17, 9, 17, 7, 15, 17, 16,  	/*Pin 1 to 10*/
 				13, 6, 14, 10, 17, 11 };				/*Pin 21 to 26*/
 
 /*pin is reduced by one as arrayiindex starts from 0 and pin no starts from 1*/
-uint8 u8RPIDigitalSetups(uint8 pin, uint8 direction)
+void u8RPIDigitalSetups(uint8 pin, uint8 direction)
 {
 	if(direction == 1) /*Pin to be used as output*/
 	   	pinMode(phy_pin[pin-1], OUTPUT);
@@ -35,6 +35,4 @@ uint8 u8RPIDigitalSetups(uint8 pin, uint8 direction)
 	else
 	    pinMode(phy_pin[pin-1], INPUT);
 	
-
-	return 0;
 }
diff --git a/src/c/hardware/rasberrypi/includes/RPIPeripheralDigital.h b/src/c/hardware/rasberrypi/includes/RPIPeripheralDigital.h
index 60561cc..2f40ffb 100644
--- a/src/c/hardware/rasberrypi/includes/RPIPeripheralDigital.h
+++ b/src/c/hardware/rasberrypi/includes/RPIPeripheralDigital.h
@@ -25,8 +25,8 @@ extern "C" {
 
 extern int phy_pin[];
 
-uint8 u8RPIDigitalSetups(uint8 pin, uint8 direction);
-uint8 u8RPIDigitalOuts(uint8 pin, uint8 state);
+void u8RPIDigitalSetups(uint8 pin, uint8 direction);
+void u8RPIDigitalOuts(uint8 pin, uint8 state);
 uint8 u8RPIDigitalIns(uint8 pin);
 
 #ifdef  __cplusplus
diff --git a/src/c/hardware/rasberrypi/includes/RPIPeripheralPWM.h b/src/c/hardware/rasberrypi/includes/RPIPeripheralPWM.h
index 47634d0..d463d9c 100644
--- a/src/c/hardware/rasberrypi/includes/RPIPeripheralPWM.h
+++ b/src/c/hardware/rasberrypi/includes/RPIPeripheralPWM.h
@@ -19,10 +19,10 @@
 extern "C" {
 #endif
 
-uint8 u8RPIHardPWMWrites(uint8 pin, uint16 value);
-uint8 u8RPIHardPWMSetRanges(uint16 value);
-uint8 u8RPIHardPWMSetModes(uint8 mode);
-uint8 u8RPIHardPWMSetClocks(uint16 clk_divisor);
+void u8RPIHardPWMWrites(uint8 pin, uint16 value);
+void u8RPIHardPWMSetRanges(uint16 value);
+void u8RPIHardPWMSetModes(uint8 mode);
+void u8RPIHardPWMSetClocks(uint16 clk_divisor);
 
 #ifdef  __cplusplus 
 } /* extern "C" */
diff --git a/src/c/hardware/rasberrypi/includes/RPIPeripheralSerial.h b/src/c/hardware/rasberrypi/includes/RPIPeripheralSerial.h
index 199caf9..76a229e 100644
--- a/src/c/hardware/rasberrypi/includes/RPIPeripheralSerial.h
+++ b/src/c/hardware/rasberrypi/includes/RPIPeripheralSerial.h
@@ -20,27 +20,27 @@ extern "C" {
 #endif
 
 int u8RPISerialSetups(char* port, int baudrate);
-uint8 u8RPISerialCloses(int fd);
-
-uint8 u8RPISerialSendChars(int fd, uint8 data);
-uint8 u8RPISerialSendDatas(int fd, uint8 data);
-uint8 i8RPISerialSendDatas(int fd, int8 data);
-uint8 u16RPISerialSendDatas(int fd, uint16 data);
-uint8 i16RPISerialSendDatas(int fd, int16 data);
-uint8 sRPISerialSendDatas(int fd, float data);
-uint8 dRPISerialSendDatas(int fd, double data);
-uint8 u8RPISerialSendDataa(int fd, uint8* data, int size);
-uint8 i8RPISerialSendDataa(int fd, int8* data, int size);
-uint8 u16RPISerialSendDataa(int fd, uint16* data, int size);
-uint8 i16RPISerialSendDataa(int fd, int16* data, int size);
-uint8 sRPISerialSendDataa(int fd, float* data, int size);
-uint8 dRPISerialSendDataa(int fd, double* data, int size);
-uint8 gRPISerialSendDatas(int fd, uint8* data, int size);
+void u8RPISerialCloses(int fd);
+
+void u8RPISerialSendChars(int fd, uint8 data);
+void u8RPISerialSendDatas(int fd, uint8 data);
+void i8RPISerialSendDatas(int fd, int8 data);
+void u16RPISerialSendDatas(int fd, uint16 data);
+void i16RPISerialSendDatas(int fd, int16 data);
+void sRPISerialSendDatas(int fd, float data);
+void dRPISerialSendDatas(int fd, double data);
+void u8RPISerialSendDataa(int fd, void* data, int size);
+void i8RPISerialSendDataa(int fd, int8* data, int size);
+void u16RPISerialSendDataa(int fd, uint16* data, int size);
+void i16RPISerialSendDataa(int fd, int16* data, int size);
+void sRPISerialSendDataa(int fd, float* data, int size);
+void dRPISerialSendDataa(int fd, double* data, int size);
+void gRPISerialSendDatas(int fd, void* data, int size);
 
 int16 i16RPISerialDataAvails(int fd);
 int16 i16RPISerialGetChars(int fd);
 
-uint8 u8RPISerialFlushs(int fd);
+void u8RPISerialFlushs(int fd);
 
 #ifdef  __cplusplus 
 } /* extern "C" */
diff --git a/src/c/hardware/rasberrypi/includes/RPIPeripheralTiming.h b/src/c/hardware/rasberrypi/includes/RPIPeripheralTiming.h
index d1ca027..854073f 100644
--- a/src/c/hardware/rasberrypi/includes/RPIPeripheralTiming.h
+++ b/src/c/hardware/rasberrypi/includes/RPIPeripheralTiming.h
@@ -22,8 +22,8 @@ extern "C" {
 #include "types.h"
 #include "wiringPi.h"
 
-uint8 u16RPIDelayMillis(uint16 time);
-uint8 u16RPIDelayMicros(uint16 time);
+void u16RPIDelayMillis(uint16 time);
+void u16RPIDelayMicros(uint16 time);
 uint32 u32RPIGetMillis();
 uint32 u32RPIGetMicros();
 
diff --git a/src/c/hardware/rasberrypi/interfaces/int_RPIPeripheralSerial.h b/src/c/hardware/rasberrypi/interfaces/int_RPIPeripheralSerial.h
index 570e944..5d53b98 100644
--- a/src/c/hardware/rasberrypi/interfaces/int_RPIPeripheralSerial.h
+++ b/src/c/hardware/rasberrypi/interfaces/int_RPIPeripheralSerial.h
@@ -18,23 +18,23 @@
 extern "C" {
 #endif
 
-#define RPI_SerialSetup(port,size,baudrate)	u8RPISerialSetups(port,baudrate)
+#define RPI_SerialSetup(port,size,baudrate)	u16RPISerialSetups(port,baudrate)
 #define RPI_SerialClose(fd) 				u8RPISerialCloses(fd)
 
-#define u80u80RPI_SerialSendDatau80(fd,data)	u8RPISerialSendDatas(fd,data)
-#define u80i80RPI_SerialSendDatau80(fd,data)	i8RPISerialSendDatas(fd,data)	
-#define u80u160RPI_SerialSendDatau80(fd,data)	u16RPISerialSendDatas(fd,data)
-#define u80i160RPI_SerialSendDatau80(fd,data)	i16RPISerialSendDatas(fd,data)	
-#define u80s0RPI_SerialSendDatau80(fd,data)		sRPISerialSendDatas(fd,data)
-#define u80d0RPI_SerialSendDatau80(fd,data)		dRPISerialSendDatas(fd,data)	
-
-#define u80u82RPI_SerialSendDatau80(fd,data,size) 	u8RPISerialSendDataa(fd,data,size[0]*size[1]);
-#define u80i82RPI_SerialSendDatau80(fd,data,size) 	i8RPISerialSendDataa(fd,data,size[0]*size[1]);
-#define u80u162RPI_SerialSendDatau80(fd,data,size)	u16RPISerialSendDataa(fd,data,size[0]*size[1]);
-#define u80i162RPI_SerialSendDatau80(fd,data,size)	i16RPISerialSendDataa(fd,data,size[0]*size[1]);
-#define u80s2RPI_SerialSendDatau80(fd,data,size) 	sRPISerialSendDataa(fd,data,size[0]*size[1]);
-#define u80d2RPI_SerialSendDatau80(fd,data,size) 	dRPISerialSendDataa(fd,data,size[0]*size[1]);
-#define u80g2RPI_SerialSendDatau80(fd,data,size)	gRPISerialSendDatas(fd,data,size[0]*size[1]);
+#define u80u80RPI_SerialSendData(fd,data)	u8RPISerialSendDatas(fd,data)
+#define u80i80RPI_SerialSendData(fd,data)	i8RPISerialSendDatas(fd,data)	
+#define u80u160RPI_SerialSendData(fd,data)	u16RPISerialSendDatas(fd,data)
+#define u80i160RPI_SerialSendData(fd,data)	i16RPISerialSendDatas(fd,data)	
+#define u80s0RPI_SerialSendData(fd,data)		sRPISerialSendDatas(fd,data)
+#define u80d0RPI_SerialSendData(fd,data)		dRPISerialSendDatas(fd,data)	
+
+#define u80u82RPI_SerialSendData(fd,data,size) 	u8RPISerialSendDataa(fd,data,size[0]*size[1]);
+#define u80i82RPI_SerialSendData(fd,data,size) 	i8RPISerialSendDataa(fd,data,size[0]*size[1]);
+#define u80u162RPI_SerialSendData(fd,data,size)	u16RPISerialSendDataa(fd,data,size[0]*size[1]);
+#define u80i162RPI_SerialSendData(fd,data,size)	i16RPISerialSendDataa(fd,data,size[0]*size[1]);
+#define u80s2RPI_SerialSendData(fd,data,size) 	sRPISerialSendDataa(fd,data,size[0]*size[1]);
+#define u80d2RPI_SerialSendData(fd,data,size) 	dRPISerialSendDataa(fd,data,size[0]*size[1]);
+#define u80g2RPI_SerialSendData(fd,data,size)	gRPISerialSendDatas(fd,data,size[0]*size[1]);
 
 #define RPI_SerialDataAvail(fd)			i16RPISerialDataAvails(fd)
 #define RPI_SerialGetChar(fd)			i16RPISerialGetChars(fd)
diff --git a/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetClocks.c b/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetClocks.c
index 883f3fa..d06b135 100644
--- a/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetClocks.c
+++ b/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetClocks.c
@@ -19,9 +19,9 @@
 #include "types.h"
 #include "RPIPeripheralPWM.h"
 
-uint8 u8RPIHardPWMSetClocks(uint16 clk_divisor) 
+void u8RPIHardPWMSetClocks(uint16 clk_divisor) 
 {
 	pwmSetClock(clk_divisor);
 	
-	return 0;
+	
 } 
diff --git a/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetModes.c b/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetModes.c
index 5a7ccd1..0cca7a7 100644
--- a/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetModes.c
+++ b/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetModes.c
@@ -18,11 +18,11 @@
 #include "types.h"
 #include "RPIPeripheralPWM.h"
 
-uint8 u8RPIHardPWMSetModes(uint8 mode)
+void u8RPIHardPWMSetModes(uint8 mode)
 {
 	if (mode == 1)  /*mark/space mode*/
 		pwmSetMode(PWM_MODE_MS);
 	else
 		pwmSetMode(PWM_MODE_BAL);
-	return 0;
+	
 } 
diff --git a/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetRanges.c b/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetRanges.c
index e3cda77..b2489f5 100644
--- a/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetRanges.c
+++ b/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMSetRanges.c
@@ -18,8 +18,8 @@
 #include "types.h"
 #include "RPIPeripheralPWM.h"
 
-uint8 u8RPIHardPWMSetRanges(uint16 value)
+void u8RPIHardPWMSetRanges(uint16 value)
 {
 	pwmSetRange(value);
-	return 0;
+	
 } 
diff --git a/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMWrites.c b/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMWrites.c
index 546cfd5..ae02bf0 100644
--- a/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMWrites.c
+++ b/src/c/hardware/rasberrypi/pwm/u8RPIHardPWMWrites.c
@@ -19,8 +19,8 @@
 #include "RPIPeripheralPWM.h"
 #include "RPIPeripheralDigital.h"
 
-uint8 u8RPIHardPWMWrites(uint8 pin, uint16 value)
+void u8RPIHardPWMWrites(uint8 pin, uint16 value)
 {
 	pwmWrite((int)phy_pin[pin-1], value);
-	return 0;
+	
 } 
diff --git a/src/c/hardware/rasberrypi/serial/dRPISerialSendDataa.c b/src/c/hardware/rasberrypi/serial/dRPISerialSendDataa.c
index 271a6b1..f990255 100644
--- a/src/c/hardware/rasberrypi/serial/dRPISerialSendDataa.c
+++ b/src/c/hardware/rasberrypi/serial/dRPISerialSendDataa.c
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 dRPISerialSendDataa(int fd, double* data, int size)
+void dRPISerialSendDataa(int fd, double* data, int size)
 {
 	int count = 0;
 	
@@ -24,5 +24,4 @@ uint8 dRPISerialSendDataa(int fd, double* data, int size)
 		dRPISerialSendDatas(fd, data[count]);
 	}
 
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/dRPISerialSendDatas.c b/src/c/hardware/rasberrypi/serial/dRPISerialSendDatas.c
index c1553f7..39112fc 100644
--- a/src/c/hardware/rasberrypi/serial/dRPISerialSendDatas.c
+++ b/src/c/hardware/rasberrypi/serial/dRPISerialSendDatas.c
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 dRPISerialSendDatas(int fd, double data)
+void dRPISerialSendDatas(int fd, double data)
 {
 	uint8 count;
 
@@ -32,5 +32,4 @@ uint8 dRPISerialSendDatas(int fd, double data)
 		serialPutchar(fd, (uint8) in_data.bytes[count]);	
 	}
 	
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/gRPISerialSendDatas.c b/src/c/hardware/rasberrypi/serial/gRPISerialSendDatas.c
index 4ad671a..f4ec8a8 100644
--- a/src/c/hardware/rasberrypi/serial/gRPISerialSendDatas.c
+++ b/src/c/hardware/rasberrypi/serial/gRPISerialSendDatas.c
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 gRPISerialSendDatas(int fd, uint8* data, int size)
+void gRPISerialSendDatas(int fd, uint8* data, int size)
 {
 	int count = 0;
 
@@ -24,5 +24,4 @@ uint8 gRPISerialSendDatas(int fd, uint8* data, int size)
 		serialPutchar(fd, data[count]);	
 	}
 	
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/i16RPISerialSendDataa.c b/src/c/hardware/rasberrypi/serial/i16RPISerialSendDataa.c
index f5b7d71..24180f4 100644
--- a/src/c/hardware/rasberrypi/serial/i16RPISerialSendDataa.c
+++ b/src/c/hardware/rasberrypi/serial/i16RPISerialSendDataa.c
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 i16RPISerialSendDataa(int fd, int16* data, int size)
+void i16RPISerialSendDataa(int fd, int16* data, int size)
 {
 	int count = 0;
 
@@ -24,6 +24,4 @@ uint8 i16RPISerialSendDataa(int fd, int16* data, int size)
 		i16RPISerialSendDatas(fd, data[count]);
 	}
 	
-
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/i16RPISerialSendDatas.c b/src/c/hardware/rasberrypi/serial/i16RPISerialSendDatas.c
index ff6edff..fe6fe6f 100644
--- a/src/c/hardware/rasberrypi/serial/i16RPISerialSendDatas.c
+++ b/src/c/hardware/rasberrypi/serial/i16RPISerialSendDatas.c
@@ -15,11 +15,10 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 i16RPISerialSendDatas(int fd, int16 data)
+void i16RPISerialSendDatas(int fd, int16 data)
 {
 	/*Send lsb first*/
 	serialPutchar(fd, (uint8) data);
 	serialPutchar(fd, (uint8) (data>>8));
 
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/i8RPISerialSendDataa.c b/src/c/hardware/rasberrypi/serial/i8RPISerialSendDataa.c
index d208a01..c4dd199 100644
--- a/src/c/hardware/rasberrypi/serial/i8RPISerialSendDataa.c
+++ b/src/c/hardware/rasberrypi/serial/i8RPISerialSendDataa.c
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 i8RPISerialSendDataa(int fd, int8* data, int size)
+void i8RPISerialSendDataa(int fd, int8* data, int size)
 {
 	int count = 0;
 
@@ -23,6 +23,4 @@ uint8 i8RPISerialSendDataa(int fd, int8* data, int size)
 	{
 		i8RPISerialSendDatas(fd, data[count]);
 	}
-	
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/i8RPISerialSendDatas.c b/src/c/hardware/rasberrypi/serial/i8RPISerialSendDatas.c
index 0d130d1..e637871 100644
--- a/src/c/hardware/rasberrypi/serial/i8RPISerialSendDatas.c
+++ b/src/c/hardware/rasberrypi/serial/i8RPISerialSendDatas.c
@@ -15,9 +15,8 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 i8RPISerialSendDatas(int fd, int8 data)
+void i8RPISerialSendDatas(int fd, int8 data)
 {
 	serialPutchar(fd, (uint8) data);
 
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/sRPISerialSendDataa.c b/src/c/hardware/rasberrypi/serial/sRPISerialSendDataa.c
index 92fa5a7..14c0bc7 100644
--- a/src/c/hardware/rasberrypi/serial/sRPISerialSendDataa.c
+++ b/src/c/hardware/rasberrypi/serial/sRPISerialSendDataa.c
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 sRPISerialSendDataa(int fd, float* data, int size)
+void sRPISerialSendDataa(int fd, float* data, int size)
 {
 	int count = 0;
 
@@ -24,6 +24,4 @@ uint8 sRPISerialSendDataa(int fd, float* data, int size)
 		sRPISerialSendDatas(fd, data[count]);	
 	}
 	
-
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/sRPISerialSendDatas.c b/src/c/hardware/rasberrypi/serial/sRPISerialSendDatas.c
index bd0cd94..ff78dd1 100644
--- a/src/c/hardware/rasberrypi/serial/sRPISerialSendDatas.c
+++ b/src/c/hardware/rasberrypi/serial/sRPISerialSendDatas.c
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 sRPISerialSendDatas(int fd, float data)
+void sRPISerialSendDatas(int fd, float data)
 {
 	uint8 count;
 
@@ -31,5 +31,4 @@ uint8 sRPISerialSendDatas(int fd, float data)
 		serialPutchar(fd, (uint8) in_data.bytes[count]);	
 	}
 	
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/u16RPISerialSendDataa.c b/src/c/hardware/rasberrypi/serial/u16RPISerialSendDataa.c
index e979882..b444047 100644
--- a/src/c/hardware/rasberrypi/serial/u16RPISerialSendDataa.c
+++ b/src/c/hardware/rasberrypi/serial/u16RPISerialSendDataa.c
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 u16RPISerialSendDataa(int fd, uint16* data, int size)
+void u16RPISerialSendDataa(int fd, uint16* data, int size)
 {
 	int count = 0;
 
@@ -25,5 +25,4 @@ uint8 u16RPISerialSendDataa(int fd, uint16* data, int size)
 	}
 	
 
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/u16RPISerialSendDatas.c b/src/c/hardware/rasberrypi/serial/u16RPISerialSendDatas.c
index 2f0536c..b4a90c2 100644
--- a/src/c/hardware/rasberrypi/serial/u16RPISerialSendDatas.c
+++ b/src/c/hardware/rasberrypi/serial/u16RPISerialSendDatas.c
@@ -15,11 +15,9 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 u16RPISerialSendDatas(int fd, uint16 data)
+void u16RPISerialSendDatas(int fd, uint16 data)
 {
 	/*Send lsb first*/
 	serialPutchar(fd, (uint8) data);
 	serialPutchar(fd, (uint8) (data>>8));
-
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/u8RPISerialCloses.c b/src/c/hardware/rasberrypi/serial/u8RPISerialCloses.c
index d5d4e37..5162d15 100644
--- a/src/c/hardware/rasberrypi/serial/u8RPISerialCloses.c
+++ b/src/c/hardware/rasberrypi/serial/u8RPISerialCloses.c
@@ -15,9 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 u8RPISerialCloses(int fd)
+void u8RPISerialCloses(int fd)
 {
 	serialClose (fd);
-
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/u8RPISerialFlushs.c b/src/c/hardware/rasberrypi/serial/u8RPISerialFlushs.c
index 2df1f37..c80a92c 100644
--- a/src/c/hardware/rasberrypi/serial/u8RPISerialFlushs.c
+++ b/src/c/hardware/rasberrypi/serial/u8RPISerialFlushs.c
@@ -15,9 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 u8RPISerialFlushs(int fd)
+void u8RPISerialFlushs(int fd)
 {
 	serialFlush(fd);
-
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/u8RPISerialSendChars.c b/src/c/hardware/rasberrypi/serial/u8RPISerialSendChars.c
index ca15b21..e381351 100644
--- a/src/c/hardware/rasberrypi/serial/u8RPISerialSendChars.c
+++ b/src/c/hardware/rasberrypi/serial/u8RPISerialSendChars.c
@@ -15,9 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 u8RPISerialSendChars(int fd, uint8 data)
+void u8RPISerialSendChars(int fd, uint8 data)
 {
 	serialPutchar(fd, data);
-
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/u8RPISerialSendDataa.c b/src/c/hardware/rasberrypi/serial/u8RPISerialSendDataa.c
index e2fe32f..9d09714 100644
--- a/src/c/hardware/rasberrypi/serial/u8RPISerialSendDataa.c
+++ b/src/c/hardware/rasberrypi/serial/u8RPISerialSendDataa.c
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 u8RPISerialSendDataa(int fd, uint8* data, int size)
+void u8RPISerialSendDataa(int fd, uint8* data, int size)
 {
 	int count = 0;
 
@@ -24,6 +24,4 @@ uint8 u8RPISerialSendDataa(int fd, uint8* data, int size)
 		u8RPISerialSendDatas(fd, data[count]);
 	}
 	
-
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/u8RPISerialSendDatas.c b/src/c/hardware/rasberrypi/serial/u8RPISerialSendDatas.c
index 86d2be5..9edb439 100644
--- a/src/c/hardware/rasberrypi/serial/u8RPISerialSendDatas.c
+++ b/src/c/hardware/rasberrypi/serial/u8RPISerialSendDatas.c
@@ -15,9 +15,8 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-uint8 u8RPISerialSendDatas(int fd, uint8 data)
+void u8RPISerialSendDatas(int fd, uint8 data)
 {
 	serialPutchar(fd, data);
 
-	return 0;
 } 
diff --git a/src/c/hardware/rasberrypi/serial/u8RPISerialSetups.c b/src/c/hardware/rasberrypi/serial/u8RPISerialSetups.c
index 6912279..cde4cba 100644
--- a/src/c/hardware/rasberrypi/serial/u8RPISerialSetups.c
+++ b/src/c/hardware/rasberrypi/serial/u8RPISerialSetups.c
@@ -15,7 +15,7 @@
 #include "types.h"
 #include "RPIPeripheralSerial.h"
 
-int u8RPISerialSetups(char* port, int baudrate)
+int u16RPISerialSetups(char* port, int baudrate)
 {
 	int fd; 
 
diff --git a/src/c/hardware/rasberrypi/timing/u16RPIDelayMicros.c b/src/c/hardware/rasberrypi/timing/u16RPIDelayMicros.c
index fe756c9..9aeeab7 100644
--- a/src/c/hardware/rasberrypi/timing/u16RPIDelayMicros.c
+++ b/src/c/hardware/rasberrypi/timing/u16RPIDelayMicros.c
@@ -15,9 +15,8 @@
 #include "types.h"
 #include "RPIPeripheralTiming.h"
 
-uint8 u16RPIDelayMicros(uint16 time)
+void u16RPIDelayMicros(uint16 time)
 {
 	delayMicroseconds(time);
-	return 0;
 }
 
diff --git a/src/c/hardware/rasberrypi/timing/u16RPIDelayMillis.c b/src/c/hardware/rasberrypi/timing/u16RPIDelayMillis.c
index d7be3f8..2679086 100644
--- a/src/c/hardware/rasberrypi/timing/u16RPIDelayMillis.c
+++ b/src/c/hardware/rasberrypi/timing/u16RPIDelayMillis.c
@@ -17,9 +17,9 @@
 #include "types.h"
 #include "RPIPeripheralTiming.h"
 
-uint8 u16RPIDelayMillis(uint16 time)
+void u16RPIDelayMillis(uint16 time)
 {
 	delay(time);
-	return 0;
+	
 }
 
diff --git a/src/c/imageProcessing/interfaces/int_cvhighgui.hpp b/src/c/imageProcessing/interfaces/int_cvhighgui.hpp
index 8e1a989..60d6ffd 100644
--- a/src/c/imageProcessing/interfaces/int_cvhighgui.hpp
+++ b/src/c/imageProcessing/interfaces/int_cvhighgui.hpp
@@ -20,9 +20,16 @@
 
 //#define g2d0CV_LoadImageim0(filename,name_size,loadtype) imcvLoadImages(filename,loadtype)
 #define g2d0CV_LoadImagemt0(filename,name_size,loadtype) imread(filename,loadtype)
-#define g2mt0CV_ShowImageu80(winname,win_size,img) imcvShowImages(winname,img)
-#define mt0CV_ShowImageu80(img) imcvShowImages("",img) 
-#define d0CV_WaitKeyu80(delay) cvWaitKey(delay)
-#define g2mt0CV_SaveImageu80(filename,name_size,img) imwrite(filename,img)	
+#define g2mt0CV_ShowImageu80(winname,win_size,img) imshow(winname,img)
+#define mt0CV_ShowImage(img) imshow("",img)
+
+#define d0CV_WaitKey(delay) waitKey((int)delay)
+#define s80CV_WaitKey(delay) waitKey((int)delay)
+#define u80CV_WaitKey(delay) waitKey((int)delay)
+#define i80CV_WaitKey(delay) waitKey((int)delay)
+#define u160CV_WaitKey(delay) waitKey((int)delay)
+#define i160CV_WaitKey(delay) waitKey((int)delay)
+
+#define g2mt0CV_SaveImage(filename,name_size,img) imwrite(filename,img)	
 
 #endif  /*__INT_CVHIGHGUI_H__*/
diff --git a/src/c/matrixOperations/tril/dtrila.c b/src/c/matrixOperations/tril/dtrila.c
index b16d7e5..b45c85f 100644
--- a/src/c/matrixOperations/tril/dtrila.c
+++ b/src/c/matrixOperations/tril/dtrila.c
@@ -12,7 +12,7 @@
  
 /*Function to extract lower triagular entries from given matrix*/
  
-#include "triu.h"
+#include "tril.h"
 
 void dtrila (double *in, int row, int column, double diag, double *out)
 {
diff --git a/src/c/matrixOperations/tril/i16trila.c b/src/c/matrixOperations/tril/i16trila.c
index 5253647..98174d9 100644
--- a/src/c/matrixOperations/tril/i16trila.c
+++ b/src/c/matrixOperations/tril/i16trila.c
@@ -12,7 +12,7 @@
  
 /*Function to extract lower triagular entries from given matrix*/
 
-#include "triu.h"
+#include "tril.h"
 
 void i16trila (int16 *in, int row, int column, double diag, int16 *out)
 {
diff --git a/src/c/matrixOperations/tril/i8trila.c b/src/c/matrixOperations/tril/i8trila.c
index f361c64..d06b2aa 100644
--- a/src/c/matrixOperations/tril/i8trila.c
+++ b/src/c/matrixOperations/tril/i8trila.c
@@ -12,7 +12,7 @@
  
 /*Function to extract lower triagular entries from given matrix*/
 
-#include "triu.h"
+#include "tril.h"
 
 void i8trila (int8 *in, int row, int column, double diag, int8 *out)
 {
diff --git a/src/c/matrixOperations/tril/strila.c b/src/c/matrixOperations/tril/strila.c
index d086936..bc7f1f2 100644
--- a/src/c/matrixOperations/tril/strila.c
+++ b/src/c/matrixOperations/tril/strila.c
@@ -12,7 +12,7 @@
  
 /*Function to extract lower triagular entries from given matrix*/
 
-#include "triu.h"
+#include "tril.h"
 
 void strila (float *in, int row, int column, double diag, float *out)
 {
diff --git a/src/c/matrixOperations/tril/u16trila.c b/src/c/matrixOperations/tril/u16trila.c
index 23d86cd..418a595 100644
--- a/src/c/matrixOperations/tril/u16trila.c
+++ b/src/c/matrixOperations/tril/u16trila.c
@@ -12,7 +12,7 @@
  
 /*Function to extract lower triagular entries from given matrix*/
  
-#include "triu.h"
+#include "tril.h"
 
 void u16trila (uint16 *in, int row, int column, double diag, uint16 *out)
 {
diff --git a/src/c/matrixOperations/tril/u8trila.c b/src/c/matrixOperations/tril/u8trila.c
index e80c05c..5c21d88 100644
--- a/src/c/matrixOperations/tril/u8trila.c
+++ b/src/c/matrixOperations/tril/u8trila.c
@@ -12,7 +12,7 @@
  
 /*Function to extract lower triagular entries from given matrix*/
 
-#include "triu.h"
+#include "tril.h"
 
 void u8trila (uint8 *in, int row, int column, double diag, uint8 *out)
 {
diff --git a/src/c/scilab-arduino/cmd_analog_out/u8cmd_analog_outs.c b/src/c/scilab-arduino/cmd_analog_out/u8cmd_analog_outs.c
index aa7dac0..07e1805 100644
--- a/src/c/scilab-arduino/cmd_analog_out/u8cmd_analog_outs.c
+++ b/src/c/scilab-arduino/cmd_analog_out/u8cmd_analog_outs.c
@@ -13,9 +13,9 @@
 #include "cmd_analog_out.h"
 #include "Arduino.h"
 
-uint8 u8cmd_analog_outs(uint8 board_no, uint8 pin, uint8 value)
+void u8cmd_analog_outs(uint8 board_no, uint8 pin, uint8 value)
 {
     analogWrite(pin,value);
-    return 0;
+    
 }
 
diff --git a/src/c/scilab-arduino/cmd_dcmotor_run/u8cmd_dcmotor_runs.c b/src/c/scilab-arduino/cmd_dcmotor_run/u8cmd_dcmotor_runs.c
index 07798ab..ff2f6e5 100644
--- a/src/c/scilab-arduino/cmd_dcmotor_run/u8cmd_dcmotor_runs.c
+++ b/src/c/scilab-arduino/cmd_dcmotor_run/u8cmd_dcmotor_runs.c
@@ -13,7 +13,7 @@
 #include "cmd_dcmotor_run.h"
 #include "Arduino.h"
 
-uint8 u8cmd_dcmotor_runs(uint8 board_no, uint8 motor_no, int16 duty)
+void u8cmd_dcmotor_runs(uint8 board_no, uint8 motor_no, int16 duty)
 {
 	uint8 direction = 1;
     if(duty >= 0) 
@@ -55,6 +55,5 @@ uint8 u8cmd_dcmotor_runs(uint8 board_no, uint8 motor_no, int16 duty)
 		}
 	}
 
-    return 0;
 }
 
diff --git a/src/c/scilab-arduino/cmd_dcmotor_setup/u8cmd_dcmotor_setups.c b/src/c/scilab-arduino/cmd_dcmotor_setup/u8cmd_dcmotor_setups.c
index d1d0fea..194074e 100644
--- a/src/c/scilab-arduino/cmd_dcmotor_setup/u8cmd_dcmotor_setups.c
+++ b/src/c/scilab-arduino/cmd_dcmotor_setup/u8cmd_dcmotor_setups.c
@@ -15,7 +15,7 @@
 
 uint8 dcm_pin_1[4], dcm_pin_2[4], dcm_mode[4];
 
-uint8 u8cmd_dcmotor_setups(uint8 board_no, uint8 driver_type, uint8 motor_no,\
+void u8cmd_dcmotor_setups(uint8 board_no, uint8 driver_type, uint8 motor_no,\
 							uint8 pin_1, uint8 pin_2)
 {
     dcm_pin_1[motor_no] = pin_1;
@@ -38,6 +38,5 @@ uint8 u8cmd_dcmotor_setups(uint8 board_no, uint8 driver_type, uint8 motor_no,\
 		digitalWrite(pin_2,LOW);
 	}
 
-    return 0;
 }
 
diff --git a/src/c/scilab-arduino/cmd_digital_out/u8cmd_digital_outs.c b/src/c/scilab-arduino/cmd_digital_out/u8cmd_digital_outs.c
index 2e5c90d..58e7a85 100644
--- a/src/c/scilab-arduino/cmd_digital_out/u8cmd_digital_outs.c
+++ b/src/c/scilab-arduino/cmd_digital_out/u8cmd_digital_outs.c
@@ -14,9 +14,9 @@
 #include "Arduino.h"
 
 
-uint8 u8cmd_digital_outs(uint8 board_no, uint8 pin, uint8 value)
+void u8cmd_digital_outs(uint8 board_no, uint8 pin, uint8 value)
 {
     digitalWrite(pin,value);
-    return 0;
+    
 }
 
diff --git a/src/c/scilab-arduino/cmd_servo_attach/u8cmd_servo_attach.cpp b/src/c/scilab-arduino/cmd_servo_attach/u8cmd_servo_attachs.cpp
index a89363b..ae2c68c 100644
--- a/src/c/scilab-arduino/cmd_servo_attach/u8cmd_servo_attach.cpp
+++ b/src/c/scilab-arduino/cmd_servo_attach/u8cmd_servo_attachs.cpp
@@ -6,7 +6,7 @@
 #include "Arduino.h"
 #include<Servo.h>
 Servo servo1,servo2;
-uint8 u8cmd_servo_attach(uint8 h,uint8 servo_no)
+void u8cmd_servo_attach(uint8 h,uint8 servo_no)
 {
     // h -> Board no. reserve for future use
     // servo_no -> pin no.(9 and 10).
@@ -21,6 +21,5 @@ uint8 u8cmd_servo_attach(uint8 h,uint8 servo_no)
         servo2.write(0);    
        }
     
-    return 0;
 }
 
diff --git a/src/c/scilab-arduino/cmd_servo_detach/u8cmd_servo_detach.cpp b/src/c/scilab-arduino/cmd_servo_detach/u8cmd_servo_detachs.cpp
index 95faf4c..c8c5beb 100644
--- a/src/c/scilab-arduino/cmd_servo_detach/u8cmd_servo_detach.cpp
+++ b/src/c/scilab-arduino/cmd_servo_detach/u8cmd_servo_detachs.cpp
@@ -5,7 +5,7 @@
 #include "Arduino.h"
 #include<Servo.h>
 Servo servo1,servo2;
-uint8 u8cmd_servo_detach(uint8 h,uint8 servo_no)
+void u8cmd_servo_detach(uint8 h,uint8 servo_no)
 {
     // h -> Board no. reserve for future use
     // servo_no -> pin no.(9 and 10).
@@ -18,7 +18,6 @@ uint8 u8cmd_servo_detach(uint8 h,uint8 servo_no)
        {
         servo2.detach(); 
        }
-       
-    return 0;
+    
 }
 
diff --git a/src/c/scilab-arduino/cmd_servo_move/u8cmd_servo_move.cpp b/src/c/scilab-arduino/cmd_servo_move/u8cmd_servo_moves.cpp
index e887476..94f3563 100644
--- a/src/c/scilab-arduino/cmd_servo_move/u8cmd_servo_move.cpp
+++ b/src/c/scilab-arduino/cmd_servo_move/u8cmd_servo_moves.cpp
@@ -6,7 +6,7 @@
 #include "Arduino.h"
 #include<Servo.h>
 Servo servo1,servo2;
-uint8 u8cmd_servo_move(uint8 h,uint8 servo_no,uint8 val)
+void u8cmd_servo_move(uint8 h,uint8 servo_no,uint8 val)
 {
     // h -> Board no. reserve for future use
     // servo_no -> pin no.(9 and 10).
@@ -22,6 +22,5 @@ uint8 u8cmd_servo_move(uint8 h,uint8 servo_no,uint8 val)
                servo2.write(val);
             } 
     }
-    return 0;
 }
 
diff --git a/src/c/scilab-arduino/includes/cmd_analog_out.h b/src/c/scilab-arduino/includes/cmd_analog_out.h
index a0da68e..5f9e527 100644
--- a/src/c/scilab-arduino/includes/cmd_analog_out.h
+++ b/src/c/scilab-arduino/includes/cmd_analog_out.h
@@ -19,7 +19,7 @@
 extern "C" {
 #endif
 	
-uint8 u8cmd_analog_outs(uint8 board_no, uint8 pin, uint8 value);
+void u8cmd_analog_outs(uint8 board_no, uint8 pin, uint8 value);
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/src/c/scilab-arduino/includes/cmd_dcmotor_run.h b/src/c/scilab-arduino/includes/cmd_dcmotor_run.h
index 82df60a..4bc1ccc 100644
--- a/src/c/scilab-arduino/includes/cmd_dcmotor_run.h
+++ b/src/c/scilab-arduino/includes/cmd_dcmotor_run.h
@@ -22,7 +22,7 @@ extern "C" {
 
 extern uint8 dcm_pin_1[4], dcm_pin_2[4], dcm_mode[4];
 	
-uint8 u8cmd_dc_motor_runs(uint8 board_no, uint8 motor_no, int16 duty);
+void u8cmd_dc_motor_runs(uint8 board_no, uint8 motor_no, int16 duty);
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/src/c/scilab-arduino/includes/cmd_dcmotor_setup.h b/src/c/scilab-arduino/includes/cmd_dcmotor_setup.h
index 66fa04e..e7de474 100644
--- a/src/c/scilab-arduino/includes/cmd_dcmotor_setup.h
+++ b/src/c/scilab-arduino/includes/cmd_dcmotor_setup.h
@@ -22,7 +22,7 @@ extern "C" {
 
 extern uint8 dcm_pin_1[4], dcm_pin_2[4], dcm_mode[4];
 	
-uint8 u8cmd_dc_motor_setups(uint8 board_no, uint8 driver_type, uint8 motor_no,\
+void u8cmd_dc_motor_setups(uint8 board_no, uint8 driver_type, uint8 motor_no,\
 							uint8 pin_1, uint8 pin_2);
 
 #ifdef  __cplusplus
diff --git a/src/c/scilab-arduino/includes/cmd_digital_out.h b/src/c/scilab-arduino/includes/cmd_digital_out.h
index ee459d1..a0150ce 100644
--- a/src/c/scilab-arduino/includes/cmd_digital_out.h
+++ b/src/c/scilab-arduino/includes/cmd_digital_out.h
@@ -20,7 +20,7 @@
 extern "C" {
 #endif
 	
-uint8 u8cmd_digital_outs(uint8 board_no, uint8 pin, uint8 value);
+void u8cmd_digital_outs(uint8 board_no, uint8 pin, uint8 value);
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/src/c/scilab-arduino/includes/cmd_servo_attach.h b/src/c/scilab-arduino/includes/cmd_servo_attach.h
index 5dd3ed6..8707833 100644
--- a/src/c/scilab-arduino/includes/cmd_servo_attach.h
+++ b/src/c/scilab-arduino/includes/cmd_servo_attach.h
@@ -14,7 +14,7 @@ extern "C" {
 
 extern Servo servo1,servo2;
 	
-uint8 u8cmd_servo_attach(uint8 h, uint8 servo_no );
+void u8cmd_servo_attach(uint8 h, uint8 servo_no );
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/src/c/scilab-arduino/includes/cmd_servo_detach.h b/src/c/scilab-arduino/includes/cmd_servo_detach.h
index ce74d62..6ac5e2b 100644
--- a/src/c/scilab-arduino/includes/cmd_servo_detach.h
+++ b/src/c/scilab-arduino/includes/cmd_servo_detach.h
@@ -15,7 +15,7 @@ extern "C" {
 
 extern Servo servo1,servo2;
 	
-uint8 u8cmd_servo_detach(uint8 h, uint8 servo_no );
+void u8cmd_servo_detach(uint8 h, uint8 servo_no );
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/src/c/scilab-arduino/includes/cmd_servo_move.h b/src/c/scilab-arduino/includes/cmd_servo_move.h
index 9013d3c..7f9bc0d 100644
--- a/src/c/scilab-arduino/includes/cmd_servo_move.h
+++ b/src/c/scilab-arduino/includes/cmd_servo_move.h
@@ -15,7 +15,7 @@ extern "C" {
 
 extern Servo servo1,servo2;
 	
-uint8 u8cmd_servo_move(uint8 h, uint8 servo_no,uint8 val);
+void u8cmd_servo_move(uint8 h, uint8 servo_no,uint8 val);
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/src/c/scilab-arduino/includes/sleep.h b/src/c/scilab-arduino/includes/sleep.h
index 4c8cbc2..8daab69 100644
--- a/src/c/scilab-arduino/includes/sleep.h
+++ b/src/c/scilab-arduino/includes/sleep.h
@@ -19,7 +19,7 @@
 extern "C" {
 #endif
 	
-uint8 u16sleeps(uint16 delay_ms);
+void u16sleeps(uint16 delay_ms);
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/src/c/scilab-arduino/interfaces/int_cmd_analog_out.h b/src/c/scilab-arduino/interfaces/int_cmd_analog_out.h
index ead26ac..2410523 100644
--- a/src/c/scilab-arduino/interfaces/int_cmd_analog_out.h
+++ b/src/c/scilab-arduino/interfaces/int_cmd_analog_out.h
@@ -20,10 +20,10 @@
 extern "C" {
 #endif
 
-#define d0d0d0cmd_analog_outu80(in1,in2,in3) u8cmd_analog_outs((uint8)in1,\
+#define d0d0d0cmd_analog_out(in1,in2,in3) u8cmd_analog_outs((uint8)in1,\
 						(uint8)in2,(uint8)in3)	
 
-#define d0d0u80cmd_analog_outu80(in1,in2,in3) u8cmd_analog_outs((uint8)in1,\
+#define d0d0u80cmd_analog_out(in1,in2,in3) u8cmd_analog_outs((uint8)in1,\
 						(uint8)in2,(uint8)in3)	
 
 #ifdef  __cplusplus
diff --git a/src/c/scilab-arduino/interfaces/int_cmd_dcmotor.h b/src/c/scilab-arduino/interfaces/int_cmd_dcmotor.h
index b35583d..7f8db41 100644
--- a/src/c/scilab-arduino/interfaces/int_cmd_dcmotor.h
+++ b/src/c/scilab-arduino/interfaces/int_cmd_dcmotor.h
@@ -20,15 +20,15 @@
 extern "C" {
 #endif
 
-#define d0d0d0d0d0cmd_dcmotor_setupu80(in1,in2,in3,in4,in5)\
+#define d0d0d0d0d0cmd_dcmotor_setup(in1,in2,in3,in4,in5)\
 			u8cmd_dcmotor_setups((uint8)in1,(uint8)in2,(uint8)in3,\
 			(uint8)in4,(uint8)in5)
 
-#define d0d0d0cmd_dcmotor_runu80(in1,in2,in3) u8cmd_dcmotor_runs((uint8)in1,\
+#define d0d0d0cmd_dcmotor_run(in1,in2,in3) u8cmd_dcmotor_runs((uint8)in1,\
 				(uint8)in2, (int16)in3);	
 
 
-#define d0d0u160cmd_dcmotor_runu80(in1,in2,in3) u8cmd_dcmotor_runs((uint8)in1,\
+#define d0d0u160cmd_dcmotor_run(in1,in2,in3) u8cmd_dcmotor_runs((uint8)in1,\
 				(uint8)in2, (int16)in3);	
 
 
diff --git a/src/c/scilab-arduino/interfaces/int_cmd_digital_out.h b/src/c/scilab-arduino/interfaces/int_cmd_digital_out.h
index 4585f12..009ff7d 100644
--- a/src/c/scilab-arduino/interfaces/int_cmd_digital_out.h
+++ b/src/c/scilab-arduino/interfaces/int_cmd_digital_out.h
@@ -20,11 +20,11 @@
 extern "C" {
 #endif
 
-#define d0d0d0cmd_digital_outu80(in1,in2,in3) u8cmd_digital_outs((uint8)in1,\
+#define d0d0d0cmd_digital_out(in1,in2,in3) u8cmd_digital_outs((uint8)in1,\
 						(uint8)in2,(uint8)in3)	
 
 //Required when input from one pin is directed to other output pin.
-#define d0d0u80cmd_digital_outu80(in1,in2,in3) u8cmd_digital_outs((uint8)in1,\
+#define d0d0u80cmd_digital_out(in1,in2,in3) u8cmd_digital_outs((uint8)in1,\
 						(uint8)in2, (uint8)in3)	
 
 
diff --git a/src/c/scilab-arduino/interfaces/int_cmd_servo.h b/src/c/scilab-arduino/interfaces/int_cmd_servo.h
index d99a044..3b48273 100644
--- a/src/c/scilab-arduino/interfaces/int_cmd_servo.h
+++ b/src/c/scilab-arduino/interfaces/int_cmd_servo.h
@@ -13,11 +13,11 @@ extern "C" {
 #endif
 
 
-#define d0d0cmd_servo_attachu80(in1,in2)  u8cmd_servo_attach((uint8)in1,(uint8)in2);
+#define d0d0cmd_servo_attach(in1,in2)  u8cmd_servo_attach((uint8)in1,(uint8)in2);
 
-#define d0d0cmd_servo_detachu80(in1,in2)  u8cmd_servo_detach((uint8)in1,(uint8)in2);
+#define d0d0cmd_servo_detach(in1,in2)  u8cmd_servo_detach((uint8)in1,(uint8)in2);
 
-#define d0d0d0cmd_servo_moveu80(in1,in2,in3) u8cmd_servo_move((uint8)in1,(uint8)in2,(uint8)in3);	
+#define d0d0d0cmd_servo_move(in1,in2,in3) u8cmd_servo_move((uint8)in1,(uint8)in2,(uint8)in3);	
 
 
 #ifdef  __cplusplus
diff --git a/src/c/scilab-arduino/interfaces/int_sleep.h b/src/c/scilab-arduino/interfaces/int_sleep.h
index 8e2d082..a0d3545 100644
--- a/src/c/scilab-arduino/interfaces/int_sleep.h
+++ b/src/c/scilab-arduino/interfaces/int_sleep.h
@@ -20,7 +20,7 @@
 extern "C" {
 #endif
 
-#define d0sleepu80(in1) u16sleeps((uint16)in1)	
+#define d0sleep(in1) u16sleeps((uint16)in1)	
 
 #ifdef  __cplusplus
 } /* extern "C" */
diff --git a/src/c/scilab-arduino/sleep/u16sleeps.c b/src/c/scilab-arduino/sleep/u16sleeps.c
index 14da0ba..fc59ca8 100644
--- a/src/c/scilab-arduino/sleep/u16sleeps.c
+++ b/src/c/scilab-arduino/sleep/u16sleeps.c
@@ -12,9 +12,8 @@
 
 #include "sleep.h"
 
-uint8 u16sleeps(uint16 delay_ms)
+void u16sleeps(uint16 delay_ms)
 {
     delay(delay_ms);
-    return 0;
 }
 
diff --git a/src/c/string/interfaces/int_disp.h b/src/c/string/interfaces/int_disp.h
index 4b6f896..3bb7852 100644
--- a/src/c/string/interfaces/int_disp.h
+++ b/src/c/string/interfaces/int_disp.h
@@ -17,41 +17,41 @@
 
 #include <stdio.h>
 
-#define s0dispd0(in)			sdisps(in)
+#define s0disp(in)			sdisps(in)
 
-#define d0dispd0(in)			ddisps(in)
+#define d0disp(in)			ddisps(in)
 
-#define c0dispd0(in)			cdisps(in)
+#define c0disp(in)			cdisps(in)
 
-#define z0dispd0(in)			zdisps(in)
+#define z0disp(in)			zdisps(in)
 
-#define u80dispd0(in)			u8disps(in)
+#define u80disp(in)			u8disps(in)
 
-#define i80dispd0(in)			i8disps(in)
+#define i80disp(in)			i8disps(in)
 
-#define u160dispd0(in)			u16disps(in)
+#define u160disp(in)			u16disps(in)
 
-#define i160dispd0(in)			i16disps(in)
+#define i160disp(in)			i16disps(in)
 
-#define s2dispd0(in,size)		sdispa(in,size[0],size[1])
+#define s2disp(in,size)		sdispa(in,size[0],size[1])
 
-#define d2dispd0(in,size)		ddispa(in,size[0],size[1])
+#define d2disp(in,size)		ddispa(in,size[0],size[1])
 
-#define c2dispd0(in,size)		cdispa(in,size[0],size[1])
+#define c2disp(in,size)		cdispa(in,size[0],size[1])
 
-#define z2dispd0(in,size)		zdispa(in,size[0],size[1])
+#define z2disp(in,size)		zdispa(in,size[0],size[1])
 
-#define u82dispd0(in,size)		u8dispa(in,size[0],size[1])
+#define u82disp(in,size)		u8dispa(in,size[0],size[1])
 
-#define i82dispd0(in,size)		i8dispa(in,size[0],size[1])
+#define i82disp(in,size)		i8dispa(in,size[0],size[1])
 
-#define u162dispd0(in,size)		u16dispa(in,size[0],size[1])
+#define u162disp(in,size)		u16dispa(in,size[0],size[1])
 
-#define i162dispd0(in,size)		i16dispa(in,size[0],size[1])
+#define i162disp(in,size)		i16dispa(in,size[0],size[1])
 
-#define d3dispd0(in,size)       ddisph(in,size[0],size[1],size[2])
+#define d3disp(in,size)       ddisph(in,size[0],size[1],size[2])
 
-#define g2dispd0(in, size)		printf("%s\n",in)
+#define g2disp(in, size)		printf("%s\n",in)
 
 #endif /* __INT_DISP_H__ */