From 11d299114fcabb721cb995228797ae069bcf8155 Mon Sep 17 00:00:00 2001
From: mobyfab <mobyfab@free.fr>
Date: Fri, 7 Sep 2012 22:57:35 +0200
Subject: [PATCH] Fixes for the touchpad API.

---
 include/touchpad.h | 1 +
 src/touchpad.c     | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/touchpad.h b/include/touchpad.h
index 55a83a9d..34c00e5d 100644
--- a/include/touchpad.h
+++ b/include/touchpad.h
@@ -73,6 +73,7 @@ extern "C" {
 void tpInit(const TOUCHPADDriver *tp);
 uint16_t tpReadX(void);
 uint16_t tpReadY(void);
+void tpCalibrate(void);
 
 #if TOUCHPAD_HAS_IRQ
 	uint8_t tpIRQ(void);
diff --git a/src/touchpad.c b/src/touchpad.c
index 44d5f426..5e81738b 100644
--- a/src/touchpad.c
+++ b/src/touchpad.c
@@ -196,11 +196,12 @@ uint16_t tpReadY(void) {
 }
 
 void tpCalibrate(void) {
-	uint16_t cross[2][2] = {{40,50}, {200, 280}};
+	const uint16_t h = gdispGetHeight();
+	const uint16_t w = gdispGetWidth();
+	const uint16_t cross[2][2] = {{(w/8), (h/8)}, {(w-(w/8)) , (h-(h/8))}};
 	uint16_t points[2][2];
 	uint8_t i;
 
-    //gdispSetOrientation(portrait);
     gdispClear(Red);
 	gdispFillStringBox(0, 10, gdispGetWidth(), 30, "Calibration", &fontUI2Double,  White, Red, justifyCenter);