#include <pc80/mc146818rtc.h>
-static int initialized;
-
/* initialize the console */
void console_init(void)
{
continue;
driver->init();
}
- initialized = 1;
}
static void __console_tx_byte(unsigned char byte)
void console_tx_byte(unsigned char byte)
{
- if (!initialized)
- return;
if (byte == '\n')
__console_tx_byte('\r');
__console_tx_byte(byte);
unsigned char console_rx_byte(void)
{
struct console_driver *driver;
- if (!initialized)
- return 0;
for(driver = console_drivers; driver < econsole_drivers; driver++) {
if (driver->tst_byte)
break;
int console_tst_byte(void)
{
struct console_driver *driver;
- if (!initialized)
- return 0;
for(driver = console_drivers; driver < econsole_drivers; driver++)
if (driver->tst_byte)
return driver->tst_byte();