No need to loop if there's only one
Signed-off-by: Keith Packard <keithp@keithp.com>
int
stdio_put(char c, FILE *stream)
{
int
stdio_put(char c, FILE *stream)
{
- if (ao_cur_task && ao_num_stdios)
- putchar(c);
- else
- {
- if (c == '\n')
- stdio_put('\r', stream);
- loop_until_bit_is_set(UCSR1A, UDRE1);
- UDR1 = c;
- }
-
#define AO_NUM_STDIOS (HAS_USB + PACKET_HAS_SLAVE + USE_SERIAL_STDIN)
__xdata struct ao_stdio ao_stdios[AO_NUM_STDIOS];
#define AO_NUM_STDIOS (HAS_USB + PACKET_HAS_SLAVE + USE_SERIAL_STDIN)
__xdata struct ao_stdio ao_stdios[AO_NUM_STDIOS];
__pdata int8_t ao_cur_stdio;
__pdata int8_t ao_num_stdios;
__pdata int8_t ao_cur_stdio;
__pdata int8_t ao_num_stdios;
+#else
+__pdata int8_t ao_cur_stdio;
+#define ao_cur_stdio 0
+#define ao_num_stdios 0
+#endif
c = ao_stdios[stdio]._pollchar();
if (c != AO_READ_AGAIN)
break;
c = ao_stdios[stdio]._pollchar();
if (c != AO_READ_AGAIN)
break;
if (++stdio == ao_num_stdios)
stdio = 0;
if (stdio == ao_cur_stdio)
if (++stdio == ao_num_stdios)
stdio = 0;
if (stdio == ao_cur_stdio)
ao_sleep(&ao_stdin_ready);
}
ao_sleep(&ao_stdin_ready);
}
ao_arch_release_interrupts();
return c;
}
ao_arch_release_interrupts();
return c;
}
void (*putchar)(char),
void (*flush)(void)) __reentrant
{
void (*putchar)(char),
void (*flush)(void)) __reentrant
{
if (ao_num_stdios == AO_NUM_STDIOS)
ao_panic(AO_PANIC_STDIO);
if (ao_num_stdios == AO_NUM_STDIOS)
ao_panic(AO_PANIC_STDIO);
ao_stdios[ao_num_stdios]._pollchar = _pollchar;
ao_stdios[ao_num_stdios].putchar = putchar;
ao_stdios[ao_num_stdios].flush = flush;
ao_stdios[ao_num_stdios].echo = 1;
ao_stdios[ao_num_stdios]._pollchar = _pollchar;
ao_stdios[ao_num_stdios].putchar = putchar;
ao_stdios[ao_num_stdios].flush = flush;
ao_stdios[ao_num_stdios].echo = 1;
+#else
+ return 0;
+#endif