diff --git a/src/4digitdisplay/tm1637.cxx b/src/4digitdisplay/tm1637.cxx
index 1ddba1ce..c7031938 100644
--- a/src/4digitdisplay/tm1637.cxx
+++ b/src/4digitdisplay/tm1637.cxx
@@ -94,12 +94,12 @@ TM1637::~TM1637() {
     }
 }
 
-maa_result_t 
+maa_result_t
 TM1637::setBrightness (uint8_t level) {
 	m_brightness = level;
 }
 
-maa_result_t 
+maa_result_t
 TM1637::setSegments (const uint8_t segments[], uint8_t length, uint8_t pos) {
 	start();
 	writeByte(TM1637_I2C_COMM1);
@@ -117,7 +117,7 @@ TM1637::setSegments (const uint8_t segments[], uint8_t length, uint8_t pos) {
 	stop();
 }
 
-maa_result_t 
+maa_result_t
 TM1637::write (std::string msg) {
 	char leter = '\0';
 	uint8_t data[] = { 0x0, 0x0, 0x0, 0x0 };
@@ -131,7 +131,7 @@ TM1637::write (std::string msg) {
 	setSegments(data);
 }
 
-maa_result_t 
+maa_result_t
 TM1637::pinMode (maa_gpio_context ctx, gpio_dir_t mode) {
 	maa_result_t error = MAA_SUCCESS;
 	error = maa_gpio_dir(ctx, mode);
@@ -140,13 +140,13 @@ TM1637::pinMode (maa_gpio_context ctx, gpio_dir_t mode) {
     }
 }
 
-maa_result_t 
+maa_result_t
 TM1637::start() {
 	pinMode (m_dataPinCtx, MAA_GPIO_OUT);
 	usleep(PULSE_LENGTH);
 }
 
-maa_result_t 
+maa_result_t
 TM1637::stop() {
 	pinMode (m_dataPinCtx, MAA_GPIO_OUT);
 	usleep(PULSE_LENGTH);
@@ -156,7 +156,7 @@ TM1637::stop() {
 	usleep(PULSE_LENGTH);
 }
 
-maa_result_t 
+maa_result_t
 TM1637::writeByte(uint8_t value) {
 	for (uint8_t idx = 0; idx < 8; idx++) {
 		pinMode(m_clkPinCtx, MAA_GPIO_OUT);
diff --git a/src/hmc5883l/hmc5883l.h b/src/hmc5883l/hmc5883l.h
index fb76da3e..ff1e616b 100644
--- a/src/hmc5883l/hmc5883l.h
+++ b/src/hmc5883l/hmc5883l.h
@@ -48,7 +48,7 @@ public:
 
     /**
      * Updates the values by reading from i2c
-     * 
+     *
      * @return 0 for success
      */
     int update();
diff --git a/src/lcd/iiclcd.cxx b/src/lcd/iiclcd.cxx
index 16e16c75..8eb2c546 100644
--- a/src/lcd/iiclcd.cxx
+++ b/src/lcd/iiclcd.cxx
@@ -41,7 +41,7 @@ IICLcd::IICLcd (int bus, int lcdAddress) {
     }
 }
 
-maa_result_t 
+maa_result_t
 IICLcd::write (int row, int column, std::string msg) {
 	setCursor (row, column);
 	write (msg);
diff --git a/src/lcd/jhd1313m1.cxx b/src/lcd/jhd1313m1.cxx
index cf241598..79dad8b9 100644
--- a/src/lcd/jhd1313m1.cxx
+++ b/src/lcd/jhd1313m1.cxx
@@ -53,8 +53,8 @@ Jhd1313m1::Jhd1313m1 (int bus, int lcdAddress, int rgbAddress) : IICLcd(bus, lcd
 	clear ();
 	usleep(4500);
 	
-    cmd (m_i2c_lcd_control, 	LCD_ENTRYMODESET | 
-							LCD_ENTRYLEFT | 
+    cmd (m_i2c_lcd_control, 	LCD_ENTRYMODESET |
+							LCD_ENTRYLEFT |
 							LCD_ENTRYSHIFTDECREMENT);
 
 	setReg (m_i2c_lcd_rgb, m_rgb_address, 0, 0);
@@ -88,26 +88,26 @@ Jhd1313m1::write (std::string msg) {
 	return error;
 }
 
-maa_result_t 
+maa_result_t
 Jhd1313m1::setCursor (int row, int column) {
 	maa_result_t error = MAA_SUCCESS;
 
 	int row_addr[] = { 0x80, 0xc0, 0x14, 0x54};
 	uint8_t offset = ((column % 16) + row_addr[row]);
 
-	uint8_t data[2] = { 0x80, offset }; 
+	uint8_t data[2] = { 0x80, offset };
 	error = maa_i2c_address (m_i2c_lcd_control, m_lcd_control_address);
 	error = maa_i2c_write (m_i2c_lcd_control, data, 2);
 
 	return error;
 }
 
-maa_result_t 
+maa_result_t
 Jhd1313m1::clear () {
 	return cmd (m_i2c_lcd_control, LCD_CLEARDISPLAY);
 }
 
-maa_result_t 
+maa_result_t
 Jhd1313m1::home () {
 	return cmd (m_i2c_lcd_control, LCD_RETURNHOME);
 }
@@ -117,7 +117,7 @@ Jhd1313m1::home () {
  *  private area
  * **************
  */
-maa_result_t 
+maa_result_t
 Jhd1313m1::setReg (maa_i2c_context ctx, int deviceAdress, int addr, uint8_t value) {
 	maa_result_t error = MAA_SUCCESS;
 
@@ -128,7 +128,7 @@ Jhd1313m1::setReg (maa_i2c_context ctx, int deviceAdress, int addr, uint8_t valu
 	return error;
 }
 
-maa_result_t 
+maa_result_t
 Jhd1313m1::cmd (maa_i2c_context ctx, uint8_t value) {
 	maa_result_t error = MAA_SUCCESS;
 
diff --git a/src/lcd/lcm1602.cxx b/src/lcd/lcm1602.cxx
index cdf351d6..a9f30c86 100644
--- a/src/lcd/lcm1602.cxx
+++ b/src/lcd/lcm1602.cxx
@@ -78,7 +78,7 @@ Lcm1602::write (std::string msg) {
     return error;
 }
 
-maa_result_t 
+maa_result_t
 Lcm1602::setCursor (int row, int column) {
 	maa_result_t error = MAA_SUCCESS;
 
@@ -88,12 +88,12 @@ Lcm1602::setCursor (int row, int column) {
 	return send (LCD_SETDDRAMADDR | offset, 0);
 }
 
-maa_result_t 
+maa_result_t
 Lcm1602::clear () {
 	return send(LCD_CLEARDISPLAY, 0);
 }
 
-maa_result_t 
+maa_result_t
 Lcm1602::home () {
 	return send(LCD_RETURNHOME, 0);
 }
@@ -103,7 +103,7 @@ Lcm1602::home () {
  *  private area
  * **************
  */
-maa_result_t 
+maa_result_t
 Lcm1602::send (uint8_t value, int mode) {
 	maa_result_t ret = MAA_SUCCESS;
     uint8_t h = value & 0xf0;
diff --git a/src/ledbar/my9221.cxx b/src/ledbar/my9221.cxx
index 8575ba7e..054858b0 100644
--- a/src/ledbar/my9221.cxx
+++ b/src/ledbar/my9221.cxx
@@ -71,7 +71,7 @@ MY9221::~MY9221() {
     }
 }
 
-maa_result_t 
+maa_result_t
 MY9221::setBarLevel (uint8_t level) {
 	if (level > 10) {
 		return MAA_ERROR_INVALID_PARAMETER;
@@ -85,7 +85,7 @@ MY9221::setBarLevel (uint8_t level) {
     lockData ();
 }
 
-maa_result_t 
+maa_result_t
 MY9221::lockData () {
 	maa_result_t error = MAA_SUCCESS;
 	error = maa_gpio_write (m_dataPinCtx, LOW);
@@ -97,7 +97,7 @@ MY9221::lockData () {
     }
 }
 
-maa_result_t 
+maa_result_t
 MY9221::send16bitBlock (short data) {
 	maa_result_t error = MAA_SUCCESS;
 	for (uint8_t bit_idx = 0; bit_idx < MAX_BIT_PER_BLOCK; bit_idx++) {
diff --git a/src/nrf24l01/nrf24l01.cxx b/src/nrf24l01/nrf24l01.cxx
index b1f0f2c0..9ad65cbc 100644
--- a/src/nrf24l01/nrf24l01.cxx
+++ b/src/nrf24l01/nrf24l01.cxx
@@ -50,7 +50,7 @@ NRF24l01::~NRF24l01 () {
     }
 }
 
-void 
+void
 NRF24l01::nrfInitModule (uint8_t chip_select, uint8_t chip_enable) {
 	maa_result_t error = MAA_SUCCESS;
 
@@ -84,7 +84,7 @@ NRF24l01::nrfInitModule (uint8_t chip_select, uint8_t chip_enable) {
 	m_spi = maa_spi_init (0);
 }
 
-void 
+void
 NRF24l01::nrfConfigModule() {
 	/* Set RF channel */
 	nrfConfigRegister (RF_CH, m_channel);
@@ -101,7 +101,7 @@ NRF24l01::nrfConfigModule() {
 }
 
 /* Clocks only one byte into the given MiRF register */
-void 
+void
 NRF24l01::nrfConfigRegister(uint8_t reg, uint8_t value) {
 	nrfCSOn ();
 	maa_spi_write (m_spi, W_REGISTER | (REGISTER_MASK & reg));
@@ -109,16 +109,16 @@ NRF24l01::nrfConfigRegister(uint8_t reg, uint8_t value) {
 	nrfCSOff ();
 }
 
-void 
+void
 NRF24l01::nrfPowerUpRX() {
 	m_ptx = 0;
 	nrfCELow();
 	nrfConfigRegister(CONFIG, mirf_CONFIG | ( (1<<PWR_UP) | (1<<PRIM_RX) ) );
 	nrfCEHigh();
-	nrfConfigRegister(STATUS,(1 << TX_DS) | (1 << MAX_RT)); 
+	nrfConfigRegister(STATUS,(1 << TX_DS) | (1 << MAX_RT));
 }
 
-void 
+void
 NRF24l01::nrfFlushRX() {
 	nrfCSOn ();
 	maa_spi_write (m_spi, FLUSH_RX);
@@ -126,7 +126,7 @@ NRF24l01::nrfFlushRX() {
 }
 
 /* Sets the receiving address */
-void 
+void
 NRF24l01::nrfSetRXaddr(uint8_t * addr) {
 	nrfCELow();
 	nrfWriteRegister(RX_ADDR_P1, addr, mirf_ADDR_LEN);
@@ -134,7 +134,7 @@ NRF24l01::nrfSetRXaddr(uint8_t * addr) {
 }
 
 /* Sets the transmitting address */
-void 
+void
 NRF24l01::nrfSetTXaddr(uint8_t * addr)
 {
 	/* RX_ADDR_P0 must be set to the sending addr for auto ack to work. */
@@ -143,20 +143,20 @@ NRF24l01::nrfSetTXaddr(uint8_t * addr)
 }
 
 /* The broadcast address should be 0xFFFFF */
-void 
+void
 NRF24l01::nrfSetBroadcastAddr (uint8_t * addr) {
 	nrfCELow ();
 	nrfWriteRegister (RX_ADDR_P2, addr, mirf_ADDR_LEN);
 	nrfCEHigh ();
 }
 
-void 
+void
 NRF24l01::nrfSetPayload (uint8_t load) {
 	m_payload = load;
 }
 
-void 
-NRF24l01::nrfWriteRegister(uint8_t reg, uint8_t * value, uint8_t len) 
+void
+NRF24l01::nrfWriteRegister(uint8_t reg, uint8_t * value, uint8_t len)
 {
 	nrfCSOn ();
 	maa_spi_write (m_spi, W_REGISTER | (REGISTER_MASK & reg));
@@ -164,7 +164,7 @@ NRF24l01::nrfWriteRegister(uint8_t reg, uint8_t * value, uint8_t len)
 	nrfCSOff ();
 }
 
-void 
+void
 NRF24l01::nrfTransmitSync(uint8_t *dataout, uint8_t len){
 	uint8_t i;
 	for(i = 0; i < len; i++) {
@@ -173,7 +173,7 @@ NRF24l01::nrfTransmitSync(uint8_t *dataout, uint8_t len){
 }
 
 /* Checks if data is available for reading */
-bool 
+bool
 NRF24l01::nrfDataReady() {
 	uint8_t status = nrfGetStatus();
 	if ( status & (1 << RX_DR) ) {
@@ -183,7 +183,7 @@ NRF24l01::nrfDataReady() {
 	return !nrfRXFifoEmpty();
 }
 
-uint8_t 
+uint8_t
 NRF24l01::nrfGetStatus () {
 	uint8_t rv;
 	nrfReadRegister (STATUS, &rv, 1);
@@ -191,7 +191,7 @@ NRF24l01::nrfGetStatus () {
 }
 
 /* Reads an array of bytes from the given start position in the MiRF registers. */
-void 
+void
 NRF24l01::nrfReadRegister (uint8_t reg, uint8_t * value, uint8_t len)
 {
 	nrfCSOn ();
@@ -200,7 +200,7 @@ NRF24l01::nrfReadRegister (uint8_t reg, uint8_t * value, uint8_t len)
 	nrfCSOff ();
 }
 
-void 
+void
 NRF24l01::nrfTransferSync (uint8_t *dataout,uint8_t *datain,uint8_t len) {
 	uint8_t i;
 	for(i = 0;i < len;i++) {
@@ -208,7 +208,7 @@ NRF24l01::nrfTransferSync (uint8_t *dataout,uint8_t *datain,uint8_t len) {
 	}
 }
 
-bool 
+bool
 NRF24l01::nrfRXFifoEmpty () {
 	uint8_t fifo_status;
 	nrfReadRegister (FIFO_STATUS, &fifo_status, sizeof(fifo_status));
@@ -216,8 +216,8 @@ NRF24l01::nrfRXFifoEmpty () {
 }
 
 /* Reads payload bytes into data array */
-void 
-NRF24l01::nrfGetData (uint8_t * data) 
+void
+NRF24l01::nrfGetData (uint8_t * data)
 {
 	nrfCSOn ();
 	/* Send cmd to read rx payload */
@@ -230,7 +230,7 @@ NRF24l01::nrfGetData (uint8_t * data)
 
 /* Sends a data package to the default address. Be sure to send the correct
  * amount of bytes as configured as payload on the receiver. */
-void 
+void
 NRF24l01::nrfSend(uint8_t * value) {
 	uint8_t status;
 	status = nrfGetStatus();
@@ -257,12 +257,12 @@ NRF24l01::nrfSend(uint8_t * value) {
 	nrfCEHigh();							// Start transmission
 }
 
-void 
+void
 NRF24l01::nrfSend () {
 	nrfSend (m_txBuffer);
 }
 
-bool 
+bool
 NRF24l01::nrfIsSending () {
 	uint8_t status;
 	if (m_ptx)	{ // Sending mode.
@@ -270,46 +270,46 @@ NRF24l01::nrfIsSending () {
 		/* if sending successful (TX_DS) or max retries exceded (MAX_RT). */
 		if((status & ((1 << TX_DS)  | (1 << MAX_RT)))){
 			nrfPowerUpRX();
-			return false; 
+			return false;
 		}
 		return true;
 	}
 	return false;
 }
 
-void 
+void
 NRF24l01::nrfPowerUpTX () {
 	m_ptx = 1;
 	nrfConfigRegister (CONFIG, mirf_CONFIG | ( (1<<PWR_UP) | (0<<PRIM_RX) ) );
 }
 
-void 
+void
 NRF24l01::nrfPowerDown () {
 	nrfCELow ();
 	nrfConfigRegister (CONFIG, mirf_CONFIG);
 }
 
-maa_result_t 
+maa_result_t
 NRF24l01::nrfCEHigh () {
 	return maa_gpio_write (m_cePinCtx, HIGH);
 }
 
-maa_result_t 
+maa_result_t
 NRF24l01::nrfCELow () {
 	return maa_gpio_write (m_cePinCtx, LOW);
 }
 
-maa_result_t 
+maa_result_t
 NRF24l01::nrfCSOn () {
 	return maa_gpio_write (m_csnPinCtx, LOW);
 }
 
-maa_result_t 
+maa_result_t
 NRF24l01::nrfCSOff () {
 	return maa_gpio_write (m_csnPinCtx, HIGH);
 }
 
-void 
+void
 NRF24l01::nrfListenForChannel() {
 	if(!nrfIsSending() && nrfDataReady()) {
 		nrfGetData(m_rxBuffer);
diff --git a/src/nrf24l01/nrf24l01.h b/src/nrf24l01/nrf24l01.h
index 223fb311..eb32036e 100644
--- a/src/nrf24l01/nrf24l01.h
+++ b/src/nrf24l01/nrf24l01.h
@@ -80,7 +80,7 @@
 #define PLL_LOCK    		4
 #define RF_DR       		3
 #define RF_PWR      		1
-#define LNA_HCURR   		0        
+#define LNA_HCURR   		0
 #define RX_DR       		6
 #define TX_DS       		5
 #define MAX_RT      		4