* Basic I/O functions to support SDCC stdio package
*/
+#ifndef USE_SERIAL_0_STDIN
+#define USE_SERIAL_0_STDIN 0
+#endif
+#ifndef USE_SERIAL_1_STDIN
+#define USE_SERIAL_1_STDIN 0
+#endif
+#ifndef USE_SERIAL_2_STDIN
+#define USE_SERIAL_2_STDIN 0
+#endif
+#ifndef USE_SERIAL_3_STDIN
+#define USE_SERIAL_3_STDIN 0
+#endif
+#ifndef USE_SERIAL_4_STDIN
+#define USE_SERIAL_4_STDIN 0
+#endif
+#ifndef USE_SERIAL_5_STDIN
+#define USE_SERIAL_5_STDIN 0
+#endif
+#ifndef USE_SERIAL_6_STDIN
+#define USE_SERIAL_6_STDIN 0
+#endif
+#ifndef USE_SERIAL_7_STDIN
+#define USE_SERIAL_7_STDIN 0
+#endif
+#ifndef USE_SERIAL_8_STDIN
+#define USE_SERIAL_8_STDIN 0
+#endif
+#ifndef USE_SERIAL_9_STDIN
+#define USE_SERIAL_9_STDIN 0
+#endif
+
+#define USE_SERIAL_STDIN (USE_SERIAL_0_STDIN + \
+ USE_SERIAL_1_STDIN + \
+ USE_SERIAL_2_STDIN + \
+ USE_SERIAL_3_STDIN + \
+ USE_SERIAL_4_STDIN + \
+ USE_SERIAL_5_STDIN + \
+ USE_SERIAL_6_STDIN + \
+ USE_SERIAL_7_STDIN + \
+ USE_SERIAL_8_STDIN + \
+ USE_SERIAL_9_STDIN)
+
#define AO_NUM_STDIOS (HAS_USB + PACKET_HAS_SLAVE + USE_SERIAL_STDIN)
__xdata struct ao_stdio ao_stdios[AO_NUM_STDIOS];
void
putchar(char c)
{
+#if LOW_LEVEL_DEBUG
+ if (!ao_cur_task) {
+ extern void ao_debug_out(char c);
+ if (c == '\n')
+ ao_debug_out('\r');
+ ao_debug_out(c);
+ return;
+ }
+#endif
if (c == '\n')
(*ao_stdios[ao_cur_stdio].putchar)('\r');
(*ao_stdios[ao_cur_stdio].putchar)(c);
__xdata uint8_t ao_stdin_ready;
char
-getchar(void) __reentrant __critical
+getchar(void) __reentrant
{
- char c;
- int8_t stdio = ao_cur_stdio;
+ int c;
+ ao_arch_critical(
+ int8_t stdio = ao_cur_stdio;
- for (;;) {
- c = ao_stdios[stdio].pollchar();
- if (c != AO_READ_AGAIN)
- break;
- if (++stdio == ao_num_stdios)
- stdio = 0;
- if (stdio == ao_cur_stdio)
- ao_sleep(&ao_stdin_ready);
- }
- ao_cur_stdio = stdio;
+ for (;;) {
+ c = ao_stdios[stdio].pollchar();
+ if (c != AO_READ_AGAIN)
+ break;
+ if (++stdio == ao_num_stdios)
+ stdio = 0;
+ if (stdio == ao_cur_stdio)
+ ao_sleep(&ao_stdin_ready);
+ }
+ ao_cur_stdio = stdio;
+ );
return c;
}
}
int8_t
-ao_add_stdio(char (*pollchar)(void),
+ao_add_stdio(int (*pollchar)(void),
void (*putchar)(char),
void (*flush)(void)) __reentrant
{