static void kb_irq(void)
{
char buf[2]={0};
char numbuf[6];/*five digit will be enough for a int*/
int i;
byte scancode=inportb(0x60);
//really ineffective
for(i=0;i<sizeof(Scan_Tab);i++)
{
if(scancode==Scan_Tab[i]) break;
}
if(i<sizeof(Scan_Tab) )
{
kprintf("%c", Disp_Tab[i]);
switch (Disp_Tab[i]) {
case 'X': enable_timer();
break;
case 'R': disable_timer();
break;
case 'S': reset_sys();
}
}
outportb(0x20,0x20);
}
void *infrad_ctrl(void *ptr)
{
int ret;
int fd_infrad = -1;
int fd_adc = -1;
int adc_value = -1;
fd_infrad = open(INFRAD_DEV_NAME, O_RDWR);
if(fd_infrad<0){
printf("infrad_ctrl: open device %s failed.\n", INFRAD_DEV_NAME);
goto exit_infrad_ctrl;
}
fd_adc = open(KEY_DEV_NAME, O_RDONLY|O_NONBLOCK);
if(fd_adc<0){
printf("infrad_ctrl: open device %s failed.\n", KEY_DEV_NAME);
goto exit_infrad_ctrl;
}
printf("infrad_ctrl control start....\n");
set_to_Color(fd_infrad);//开始强制关闭
while(1){
switch(getInfradStatue()){
case 1://强制开
set_to_Color(fd_infrad);
break;
case 2://强制关
set_to_White(fd_infrad);
break;
case 0://自动
default:
adc_value = get_adc_value(fd_adc);
if(adc_value<0){
break;
}
if(adc_value>getImgWtoC()){
set_to_Color(fd_infrad);
}else if(adc_value<getImgCtoW()){
set_to_White(fd_infrad);
}
break;
}
if(0==get_reset_value(fd_infrad)){
reset_stat++;
}else{
reset_stat = 0;
}
if(reset_stat>2){
reset_sys();
reset_stat = 0;
}
sleep(2);
}
exit_infrad_ctrl:
if(fd_infrad>0){
close(fd_infrad);
fd_infrad = -1;
}
if(fd_adc>0){
close(fd_adc);
fd_adc = -1;
}
return;
}