diff --git a/lcd/display.c b/lcd/display.c
index 70fa872..75b2a36 100644
--- a/lcd/display.c
+++ b/lcd/display.c
@@ -3,7 +3,6 @@
 #include "lpc134x.h"
 #include "gpio/gpio.h"
 
-
 /**************************************************************************/
 /*! 
     Approximates a 1 millisecond delay using "nop".  This is less
@@ -30,14 +29,22 @@ void delayms(uint32_t ms)
 /* Utility routines to manage nokia display */
 /**************************************************************************/
 
-uint8_t buffer[RESX*RESY_B];
+uint8_t lcdBuffer[RESX*RESY_B];
+
+/*
+//TODO FIXME why doenst that work ?
+#define CS 	RB_LCD_CS
+#define SCK 	RB_SPI_SCK
+#define SDA 	RB_SPI_MOSI
+#define RST 	RB_LCD_RST
+*/
 
 #define CS 2,1
 #define SCK 0,10
 #define SDA 0,9
 #define RST 2,2
 
-void write(uint8_t cd, uint8_t data)
+void lcdWrite(uint8_t cd, uint8_t data)
 {
     uint8_t i;
 
@@ -67,7 +74,7 @@ void write(uint8_t cd, uint8_t data)
     //delayms(0);
 }
 
-void read(uint8_t data)
+void lcdRead(uint8_t data)
 {
     uint8_t i;
 
@@ -106,7 +113,7 @@ void read(uint8_t data)
     delayms(1);
 }
 
-void init(void)
+void lcdInit(void)
 {
     IOCON_SWCLK_PIO0_10 = 0x51;
 
@@ -124,34 +131,36 @@ void init(void)
     gpioSetValue(RST, 1); 
     delayms(100);
 
-    write(0,0xE2);
+    lcdWrite(0,0xE2);
     delayms(5);
-    write(0,0xAF);
-    write(0,0xA4);
-    write(0,0x2F);
-    write(0,0xB0);
-    write(0,0x10);
-    write(0,0x00);
+    lcdWrite(0,0xAF);
+    lcdWrite(0,0xA4);
+    lcdWrite(0,0x2F);
+    lcdWrite(0,0xB0);
+    lcdWrite(0,0x10);
+    lcdWrite(0,0x00);
 
     uint16_t i;
     for(i=0; i<100; i++)
-        write(1,0x00);
+        lcdWrite(1,0x00);
 }
 
-void fill(char f){
+void lcdFill(char f){
 	int x;
-	for(x=0;x<RESX*RESY_B;x++)
-		buffer[x]=f;
+	for(x=0;x<RESX*RESY_B;x++) {
+		lcdBuffer[x]=f;
+	}
 };
 
-void display(uint32_t shift)
+void lcdDisplay(uint32_t shift)
 {
-    write(0,0xB0);
-    write(0,0x10);
-    write(0,0x00);
+    lcdWrite(0,0xB0);
+    lcdWrite(0,0x10);
+    lcdWrite(0,0x00);
     uint16_t i,page;
-    for(page=0; page<RESY_B;page++)
-        for(i=0; i<RESX; i++)
-            write(1,buffer[page*RESX+((i+shift)%RESX)]);
+    for(page=0; page<RESY_B;page++) {
+        for(i=0; i<RESX; i++) {
+            lcdWrite(1,lcdBuffer[page*RESX+((i+shift)%RESX)]);
+        }
+    }
 }
-
diff --git a/lcd/display.h b/lcd/display.h
index 5648a4a..a76c733 100644
--- a/lcd/display.h
+++ b/lcd/display.h
@@ -15,12 +15,12 @@
 
 
 /* Display buffer */
-extern uint8_t buffer[RESX*RESY_B];
+extern uint8_t lcdBuffer[RESX*RESY_B];
 
-void write(uint8_t cd, uint8_t data);
-void read(uint8_t data);
-void init(void);
-void fill(char f);
-void display(uint32_t shift);
+void lcdWrite(uint8_t cd, uint8_t data);
+void lcdRead(uint8_t data);
+void lcdInit(void);
+void lcdFill(char f);
+void lcdDisplay(uint32_t shift);
 
 #endif
diff --git a/lcd/render.c b/lcd/render.c
index beb5556..74004d9 100644
--- a/lcd/render.c
+++ b/lcd/render.c
@@ -100,7 +100,7 @@ int DoChar(int sx, int sy, char c){
 			flip(mask);
 
 		for(int m=1;m<=preblank;m++){
-			buffer[(rx-dmul*(m))+(yidx+y)*RESX]&=~mask;
+			lcdBuffer[(rx-dmul*(m))+(yidx+y)*RESX]&=~mask;
 		};
 		for(x=0;x<width;x++){
 			unsigned char b1,b2;
@@ -117,11 +117,11 @@ int DoChar(int sx, int sy, char c){
 			if(font_direction==FONT_DIR_LTR)
 				flip(byte);
 
-			buffer[(rx+dmul*x)+(yidx+y)*RESX]&=~mask;
-			buffer[(rx+dmul*x)+(yidx+y)*RESX]|=byte;
+			lcdBuffer[(rx+dmul*x)+(yidx+y)*RESX]&=~mask;
+			lcdBuffer[(rx+dmul*x)+(yidx+y)*RESX]|=byte;
 		};
 		for(int m=0;m<blank;m++){
-			buffer[(rx+dmul*(x+m))+(yidx+y)*RESX]&=~mask;
+			lcdBuffer[(rx+dmul*(x+m))+(yidx+y)*RESX]&=~mask;
 		};
 	};
 	return sx-dmul*(x+preblank+blank);
diff --git a/main.c b/main.c
index c0420d0..e29d671 100644
--- a/main.c
+++ b/main.c
@@ -1,12 +1,13 @@
 #include <sysinit.h>
 
+#include "basic/basic.h"
+
 #include "lcd/render.h"
 #include "lcd/smallfonts.h"
 #include "lcd/ubuntu18.h"
 
 #include "pmu/pmu.h"
 #include "eeprom/eeprom.h"
-#include "basic/basic.h"
 
 void ReinvokeISP(void);
 
@@ -22,7 +23,7 @@ int main(void) {
     // initialise basic badge functions
     rbInit();
   
-    init(); // display
+    lcdInit(); // display
   
     //Make PIO1_11 an analog input
     gpioSetDir(RB_LED3, gpioDirection_Input);
@@ -30,8 +31,8 @@ int main(void) {
 
     adcInit();
 
-    fill(255);
-    display(0);
+    lcdFill(255);
+    lcdDisplay(0);
     uint32_t j=0;
 
     //disable the JTAG on PIO3_3
@@ -56,7 +57,7 @@ int main(void) {
     uint8_t eeprom_val = 0;
 
     while (1) {
-	display(j);
+	lcdDisplay(j);
 	delayms(10);
 
 	font=fonts[fontctr];
@@ -93,7 +94,7 @@ int main(void) {
 		while(gpioGetValue(RB_LED3) == 0){
 		};
 		gpioSetValue (RB_LED3, 1); 
-		fill(255);
+		lcdFill(255);
 		fontctr++;
 		if(fontctr > 2) {
 		    fontctr = 0;