int log_putc(int c)
{
if(last_update.trigger_value == 0)
last_update = register_timer(LOG_TIMEOUT);
if(log_buf && buf_size)
{
log_buf[buf_ptr++] = c;
if(buf_ptr >= buf_size)
{
if((log_fp && log_fp->fflush_cb) || (last_update.rollover && compare_timer(last_update)))
{
log_fp->fflush_cb(log_fp);
last_update = register_timer(LOG_TIMEOUT);
}
buf_ptr = 0;
}
return 0;
}
else if(log_fp)
{
// Disable output to the log for the write
rpi_boot_output_state state = output_get_state();
output_disable_log();
// Write one character
fwrite(&c, 1, 1, log_fp);
// Restore saved output state
output_restore_state(state);
return 0;
}
return EOF;
}
void main() {
int x, y, c;
struct timer_wait tw;
int led_status = LOW;
// Default screen resolution (set in config.txt or auto-detected)
//fb_init(0, 0);
// Sets a specific screen resolution
fb_init(32 + 320 + 32, 32 + 200 + 32);
fb_fill_rectangle(0, 0, fb_width - 1, fb_height - 1, BORDER_COLOR);
initscr(40, 25);
cur_fore = WHITE;
cur_back = BACKGROUND_COLOR;
clear();
mvaddstr(1, 9, "**** RASPBERRY-PI ****");
mvaddstr(3, 7, "BARE-METAL SYSTEM TEMPLATE\r\n");
if (mount("sd:") != 0) {
addstrf("\r\nSD CARD NOT MOUNTED (%s)\r\n", strerror(errno));
}
usb_init();
if (keyboard_init() != 0) {
addstr("\r\nNO KEYBOARD DETECTED\r\n");
}
pinMode(16, OUTPUT);
register_timer(&tw, 250000);
addstr("\r\nREADY\r\n");
while(1) {
if ((c = getch()) != -1) {
switch(c) {
case KEY_UP:
getyx(y, x);
move(y - 1, x);
break;
case KEY_DOWN:
getyx(y, x);
move(y + 1, x);
break;
case KEY_LEFT:
getyx(y, x);
x--;
if (x < 0) {
x = 39;
y--;
}
move(y, x);
break;
case KEY_RIGHT:
getyx(y, x);
x++;
if (x >= 40) {
x = 0;
y++;
}
move(y, x);
break;
case KEY_HOME:
getyx(y, x);
move(y, 0);
break;
case KEY_PGUP:
move(0, 0);
break;
case '\r':
addch(c);
addch('\n');
break;
default:
if (c < 0x7F) {
addch(c);
}
break;
}
}
if (compare_timer(&tw)) {
led_status = led_status == LOW ? HIGH : LOW;
digitalWrite(16, led_status);
toggle_cursor();
}
refresh();
}
}