/* ----------------------------------------------------
* Function: scrn_puts
*
* Prints a string on the screen.
* --------------------------------------------------*/
void scrn_puts(char *str){
unsigned char *stru = (unsigned char *) str;
while(*stru != 0){
scrn_putc(*stru);
stru++;
}
}
/* ----------------------------------------------------
* Function: kb_handler
* --------------------------------------------------*/
void kb_handler(void *r){
unsigned char c = kb_read();
if(c & 0x80){
/* key release */
c &= 0x7F; /* get rid of the key release bit */
/* Shift */
if(c == 42 || c == 54){
kb_flags &= ~KBF_SHIFT;
}
/* CTL */
else if(c == 29 || c == 128+29){
kb_flags &= ~KBF_CTL;
}
/* ALT */
else if(c == 56 || c == 128+56){
kb_flags &= ~KBF_ALT;
/* TODO: separate Alt and AltGr
* */
}
/* CAPSLOCK */
else if(c == 58){
kb_flags &= ~KBF_CAPS;
}
/* TODO: SUP (Logo Key) */
}
/* key press */
/* Shift */
else if(c == 42 || c == 54){
kb_flags |= KBF_SHIFT;
}
/* CTL */
else if(c == 29 || c == 128+29){
kb_flags |= KBF_CTL;
}
/* ALT */
else if(c == 56 || c == 128+56){
kb_flags |= KBF_ALT;
}
/* CAPSLOCK */
else if(c == 58){
kb_flags |= KBF_CAPS;
}
/* TODO: SUP (Logo Key) */
else{
if(kb_flags & KBF_SHIFT){
c = kb_layout_sh[c];
}
else{
c = kb_layout[c];
}
unsigned char i;
if(kb_print_to_screen){
for( i=0 ; i<buffer_pos ; i++){
scrn_putc(kb_buffer[i]);
kb_buffer[i] = 0;
}
buffer_pos = 0;
scrn_putc((char) c);
}
else{
if(buffer_pos >= KB_BUFFER_SIZE){
strcpy(kb_err, "Keyboard buffer full.");
}
else{
kb_buffer[buffer_pos] = (char) c;
buffer_pos++;
}
}
}
}
