Diff: touch.h

Revision:

0:c674504a6536

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/touch.h	Mon Jul 02 03:41:36 2012 +0000
@@ -0,0 +1,54 @@
+char ft_read(unsigned char address)
+{
+
+    char tem;
+    i2c.start();
+    wait_ms(1);
+    i2c.write(0x70);
+    i2c.write(address);
+    i2c.stop();
+    wait_ms(1);
+    i2c.start();
+    wait_ms(1);
+    i2c.write(0x71);
+    tem = i2c.read(1);
+    i2c.stop();
+    return tem;
+}
+void ft_read_data()
+{
+    
+    char tem,  i;
+    i2c.start();
+    wait_ms(1);
+    i2c.write(0x70);
+    i2c.write(0);
+    i2c.stop();
+    wait_ms(1);
+    i2c.start();
+    wait_ms(1);
+    i2c.write(0x71);
+    for(i = 0; i < 0x1f; i ++)
+        buffer[i] = i2c.read(1);
+    i2c.stop();
+   
+}
+int ft_write(unsigned char address, char data)
+{
+    i2c.start();
+    wait_ms(1);
+    i2c.write(0x70);
+    i2c.write(address);
+    i2c.write(data);
+    i2c.stop();
+}
+void init_nomal_mode()
+{
+    ft_write(0,0);
+}
+void read_touch_possition()
+{
+    ft_read_data();
+    touch_x = (buffer[3]&0x0f)*256 + buffer[4];
+    touch_y = (buffer[5]&0x0f)*256 + buffer[6];
+}
\ No newline at end of file