void testcollisions()
{
int i;
clrscr();
textattr(BACKGROUND+MENUITEM);
gotoxy((78-24)/2,3);
cputs("Test keyboard collisions");
gotoxy((78-61)/2,5);
cputs("Here you can test, if the keys you've choosen do not collide.");
gotoxy((78-43)/2,6);
cputs("(only few keyboards allow all combinations)");
gotoxy((78-18)/2,8);
cputs("Press ESC to exit.");
for (i=0;i<256;i++) pressed[i]=0;
key_init();
do{
showjoy(17,12,0);
showjoy(29,12,1);
showjoy(41,12,2);
showjoy(53,12,3);
while (hi==lo);
pressed[buffer[lo]&0xff]=buffer[lo]<0x100;
lo++;
if (lo==100) lo=0;
}while(!pressed[1]);
/*wait until ESC is depressed*/
do{
while (hi==lo);
pressed[buffer[lo]&0xff]=buffer[lo]<0x100;
lo++;
if (lo==100) lo=0;
}while(pressed[1]);
key_done();
}
int main(void)
{
systick_init();
eep_init(); //读取EEPROM内的数据
lcd_init();
key_init();
io_init();
pwm_init();
ntc_init();
while (1)
{
if (time_1ms_flag == 1)
{
//1ms进入一次
time_1ms_flag = 0;
}
if(time_10ms_flag == 1)
{
//10ms进入一次
time_10ms_flag = 0;
key_scan();
}
if(time_100ms_flag == 1)
{
//100ms进入一次
time_100ms_flag = 0;
key_done();
}
if(time_1s_flag == 1)
{
//1s执行一次
time_1s_flag = 0;
}
}
}
/*------------------------------------------------------------------------*/
int choosekey(char *title,int oldval)
{
char msg[80];
int lastkey;
int newval;
int bad;
clrscr();
sprintf(msg,"Press key for %s",title);
gotoxy((78-strlen(msg))/2,8);
cputs(msg);
gotoxy(34,9);
cputs("(ESC=none)");
sprintf(msg,"Current setting: %s",keynames[oldval]);
gotoxy((78-strlen(msg))/2,11);
cputs(msg);
while (kbhit());
key_init();
do{
while (hi==lo);
lastkey=buffer[lo++];
if (lo==100) lo=0;
/*do not allow F1-F12, Pause, PrintScreen or Scrollock */
bad=(lastkey>=59 && lastkey<=68) || lastkey==87 || lastkey==88 || lastkey==167
|| lastkey==183 || lastkey==70 || lastkey==197;
}while ((lastkey&0xff00) || *keynames[lastkey&0xff]=='?' || *keynames[lastkey&0xff]=='#' || bad);
newval=lastkey&0xff;
if (newval==1) newval=255;
sprintf(msg,"Current setting: %s",keynames[newval]);
gotoxy(1,11);
clreol();
gotoxy((78-strlen(msg))/2,11);
cputs(msg);
/*wait until key is depressed*/
do{
while (hi==lo);
lastkey=buffer[lo++];
if (lo==100) lo=0;
}while(!(lastkey&0xff00));
key_done();
return newval;
}
