diff options
Diffstat (limited to 'src/core/ao_stdio.c')
| -rw-r--r-- | src/core/ao_stdio.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/src/core/ao_stdio.c b/src/core/ao_stdio.c deleted file mode 100644 index 99118137..00000000 --- a/src/core/ao_stdio.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * Copyright © 2009 Keith Packard <keithp@keithp.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ - -#include "ao.h" - -/* - * 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 -#ifndef PACKET_HAS_SLAVE -#define PACKET_HAS_SLAVE 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]; - -#if AO_NUM_STDIOS > 1 -__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 - -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); -} - -void -flush(void) -{ - if (ao_stdios[ao_cur_stdio].flush) - ao_stdios[ao_cur_stdio].flush(); -} - -__xdata uint8_t ao_stdin_ready; - -char -getchar(void) __reentrant -{ - int c; - int8_t stdio; - - ao_arch_block_interrupts(); - stdio = ao_cur_stdio; - for (;;) { - c = ao_stdios[stdio]._pollchar(); - if (c != AO_READ_AGAIN) - break; -#if AO_NUM_STDIOS > 1 - if (++stdio == ao_num_stdios) - stdio = 0; - if (stdio == ao_cur_stdio) -#endif - ao_sleep(&ao_stdin_ready); - } -#if AO_NUM_STDIOS > 1 - ao_cur_stdio = stdio; -#endif - ao_arch_release_interrupts(); - return c; -} - -uint8_t -ao_echo(void) -{ - return ao_stdios[ao_cur_stdio].echo; -} - -int8_t -ao_add_stdio(int (*_pollchar)(void), - void (*putchar)(char), - void (*flush)(void)) __reentrant -{ -#if AO_NUM_STDIOS > 1 - if (ao_num_stdios == AO_NUM_STDIOS) - ao_panic(AO_PANIC_STDIO); -#endif - 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; -#if AO_NUM_STDIOS > 1 - return ao_num_stdios++; -#else - return 0; -#endif -} |