cleanup

glcd.c

@@ -69,16 +69,16 @@ static __inline uint16_t lcdReadReg(uint16_t lcdReg) {
 }
 
 uint16_t lcdGetHeight(void) {
-	if(orientation == portrait || orientation == portraitInv)
+	if(PORTRAIT)
 		return lcd_height;
-	else if(orientation == landscape || orientation == landscapeInv)
+	else if(LANDSCAPE)
 		return lcd_width;
 }
 
 uint16_t lcdGetWidth(void) {
-	if(orientation == portrait || orientation == portraitInv)
+	if(PORTRAIT)
 		return lcd_width;
-	else if(orientation == landscape || orientation == landscapeInv)
+	else if(LANDSCAPE)
 		return lcd_height;
 }
 

glcd.h

@@ -7,6 +7,9 @@
 #define SCREEN_WIDTH	320
 #define SCREEN_HEIGHT	240
 
+#define PORTRAIT	(orientation == portrait || orientation == portraitInv)
+#define LANDSCAPE	(orientation == landscape || orientation == landscapeInv)
+
 /* uncomment if no board.h file used 
 #define LCD_DATA_PORT       GPIOE
 #define LCD_CMD_PORT        GPIOD

lcd.mk

@@ -1,6 +1,7 @@
 # LCD files.
 LCDSRC = 	${CHIBIOS}/ext/lcd/glcd.c \
 			${CHIBIOS}/ext/fonts.c \
+			${CHIBIOS}/ext/touchpad.c \
 			${CHIBIOS}/ext/graph.c 
 
 LCDINC = ${CHIBIOS}/ext/lcd

touchpad.c

@@ -1,4 +1,5 @@
 #include "touchpad.h"
+#include "glcd.h"
 
 static void spicb(SPIDriver *spip);
 static const SPIConfig spicfg = {
@@ -12,18 +13,6 @@ void tpInit(void) {
 	spiStart(&SPID1, &spicfg);	
 }
 
-void tpWriteData(uint8_t data) {
-	uint16_t tx = 0xAA;
-
-	SET_CS(0);
-	spiSend(&SPID1, 1, &tx);
-	SET_CS(1);
-}
-
-uint16_t tpReadData(void) {
-
-}
-
 uint16_t tpReadX(void) {
 	uint8_t txbuf[1];
 	uint8_t rxbuf[2];
@@ -37,6 +26,8 @@ uint16_t tpReadX(void) {
 
 	x = rxbuf[0] << 4;
 	x |= rxbuf[1] >> 4;
+	
+	x = (((lcdGetWidth()-1) * x)/2048);
 
 	return x;
 }
@@ -55,6 +46,8 @@ uint16_t tpReadY(void) {
     y = rxbuf[0] << 4;
     y |= rxbuf[1] >> 4;
 
-    return y;
+    y = (((lcdGetHeight()-1) * y)/2048);
+
+	return y;
 }