| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2002 by Alan Korr & Nick Robinson |
| * |
| * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| |
| #include "config.h" |
| #include "cpu.h" |
| #include "system.h" |
| #include "serial.h" |
| |
| void serial_setup (void) |
| { |
| UCR0 = 0x30; /* Reset transmitter */ |
| UCSR0 = 0xdd; /* Timer mode */ |
| |
| UCR0 = 0x10; /* Reset pointer */ |
| UMR0 = 0x13; /* No parity, 8 bits */ |
| UMR0 = 0x07; /* 1 stop bit */ |
| |
| UCR0 = 0x04; /* Tx enable */ |
| } |
| |
| int tx_rdy(void) |
| { |
| if(USR0 & 0x04) |
| return 1; |
| else |
| return 0; |
| } |
| |
| int rx_rdy(void) |
| { |
| /* a dummy */ |
| return 0; |
| } |
| |
| void tx_writec(unsigned char c) |
| { |
| UTB0 = c; |
| } |
| |