?? touchpad.c
字號:
#include "touchpad.h"
#include "EP73121.h"
void init_touchpad(void)
{
unsigned long temp;
int j;
SYSCON3 &= 0xffffffee;
SYSCON3 |= 0x00000000;
SYSCON1 &= 0xfffcffff;
SYSCON1 |= 0x00030000;
INTMR1 |= 0x20;
SYNCIO = 0x0000488c;
for(j=0;j<5000;j++)
{
;
}
SYNCIO = 0x00004800;
for(j=0;j<5000;j++)
{
;
}
temp = SYNCIO ;
return;
}
unsigned long ReadX()
{
unsigned long valx;
int j;
while (SYSFLG1 & (1<<26))
{
;
}
valx = SYNCIO ;
SYSCON3 &= 0xffffffee;
SYSCON3 |= 0x00000000;
SYNCIO = PENX;
for(j=0;j<3500;j++)
{
;
}
if(INTSR1 & 0x00008000)
{
while (SYSFLG1 & (1<<26))
{
;
}
valx = SYNCIO ;
}
return (unsigned long)valx;
}
unsigned long ReadY()
{
unsigned long valy;
int j;
while (SYSFLG1 & (1<<26))
{
;
}
valy = SYNCIO ;
SYSCON3 &= 0xffffffee;
SYSCON3 |= 0x00000000;
SYNCIO = PENY;
for(j=0;j<3500;j++)
{
;
}
if(INTSR1 & 0x00008000)
{
while (SYSFLG1 & (1<<26))
{
;
}
valy = SYNCIO ;
}
return (unsigned long)valy;
}
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