* Basic I/O functions to support SDCC stdio package
*/
-#define AO_NUM_STDIOS 2
+#define AO_NUM_STDIOS (HAS_USB + PACKET_HAS_SLAVE + USE_SERIAL_STDIN)
static __xdata struct ao_stdio stdios[AO_NUM_STDIOS];
-static __data int8_t ao_cur_stdio;
-static __data int8_t ao_num_stdios;
+__data int8_t ao_cur_stdio;
+__data int8_t ao_num_stdios;
void
putchar(char c)