crashtest-r0ket/firmware/basic/keyin.c

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#include <sysinit.h>
#include "basic/basic.h"
uint8_t getInputRaw(void) {
uint8_t result = BTN_NONE;
if (gpioGetValue(RB_BTN3)==0) {
result |= BTN_UP;
}
if (gpioGetValue(RB_BTN2)==0) {
result |= BTN_DOWN;
}
if (gpioGetValue(RB_BTN4)==0) {
result |= BTN_ENTER;
}
if (gpioGetValue(RB_BTN0)==0) {
result |= BTN_LEFT;
}
if (gpioGetValue(RB_BTN1)==0) {
result |= BTN_RIGHT;
}
return result;
}
uint8_t getInput(void) {
uint8_t key = BTN_NONE;
key=getInputRaw();
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/* XXX: we should probably debounce the joystick.
Any ideas how to do this properly?
For now wait for any release.
*/
if(key != BTN_NONE)
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while(key==getInputRaw())
work_queue();
return key;
}
uint8_t getInputWait(void) {
uint8_t key;
while ((key=getInputRaw())==BTN_NONE)
work_queue();
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delayms_queue(10); /* Delay a little more to debounce */
return key;
};
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uint8_t getInputWaitTimeout(int timeout) {
uint8_t key;
if(timeout==0)
return getInputWait();
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int end=_timectr+timeout*(1000/SYSTICKSPEED);
while ((key=getInputRaw())==BTN_NONE){
if(_timectr>end)
break;
work_queue();
};
delayms_queue(10); /* Delay a little more to debounce */
return key;
};
uint8_t getInputWaitRepeat(void) {
static uint8_t oldkey=BTN_NONE;
static int repeatctr=0;
uint8_t key=getInputRaw();
if (key != BTN_NONE && key==oldkey){
int dtime;
if(!repeatctr)
dtime=600;
else if(repeatctr<5)
dtime=250;
else if(repeatctr<25)
dtime=150;
else if(repeatctr<50)
dtime=80;
else
dtime=20;
repeatctr++;
int end=_timectr+(dtime/SYSTICKSPEED);
while(_timectr<end && key==getInputRaw())
work_queue();
key=getInputRaw();
if (key==oldkey)
return key;
};
repeatctr=0;
while ((key=getInputRaw())==BTN_NONE){
work_queue();
};
delayms_queue(10); /* Delay a little more to debounce */
oldkey=key;
return key;
};
void getInputWaitRelease(void) {
while (getInputRaw()!=BTN_NONE)
work_queue();
delayms_queue(10); /* Delay a little more to debounce */
};