From 583f00e0b8efe2832f63efb478a51d3ad35e92ed Mon Sep 17 00:00:00 2001 From: Nicolas Schodet Date: Sun, 7 Oct 2007 22:16:03 +0200 Subject: Included SI2E avr modules. Well, this need more works... --- digital/avr/modules/uart/uart.simu.c | 78 ++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 digital/avr/modules/uart/uart.simu.c (limited to 'digital/avr/modules/uart/uart.simu.c') diff --git a/digital/avr/modules/uart/uart.simu.c b/digital/avr/modules/uart/uart.simu.c new file mode 100644 index 00000000..e8605790 --- /dev/null +++ b/digital/avr/modules/uart/uart.simu.c @@ -0,0 +1,78 @@ +/* uart.simu.c - used for simulavrxx pseudo ports. */ +/* avr.uart - UART AVR module. {{{ + * + * Copyright (C) 2005 Nicolas Schodet + * + * Robot APB Team/Efrei 2006. + * Web: http://assos.efrei.fr/robot/ + * Email: robot AT efrei DOT fr + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 "common.h" +#include "uart.h" + +#include "uart_common.h" + +#if AC_UART (PORT) != -1 + +int uart (eof); + +/** Initialise uart. */ +void +uart_init (void) +{ + uart (eof) = 0; +} + +/** Use this as exit point. */ +void +uart (exit) (void) +{ + uart (eof) = 1; +} + +/** Read a char. */ +uint8_t +uart_getc (void) +{ + uint8_t c; + if (uart (eof)) + return 0xff; + c = *(uint8_t *) 0x20; + if (!c) + { + uart (exit) (); + c = 0xff; + } + return c; +} + +/** Write a char. */ +void +uart_putc (uint8_t c) +{ + *(uint8_t *) 0x22 = c; +} + +/** Retrieve availlable chars. */ +uint8_t +uart_poll (void) +{ + return !uart (eof); +} + +#endif /* AC_UART (PORT) != -1 */ -- cgit v1.2.3