From 55a7a31ce3a742feea2ff47f6ec35356ebb0ba06 Mon Sep 17 00:00:00 2001 From: Bertrik Sikken Date: Sat, 23 Apr 2011 08:23:07 +0000 Subject: Split off target-specific parts from firmware/drivers/serial.c git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29768 a1c6a512-1295-4272-9138-f99709370657 --- firmware/target/coldfire/uart-coldfire.c | 60 ++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 firmware/target/coldfire/uart-coldfire.c (limited to 'firmware/target/coldfire') diff --git a/firmware/target/coldfire/uart-coldfire.c b/firmware/target/coldfire/uart-coldfire.c new file mode 100644 index 0000000000..c5992a956c --- /dev/null +++ b/firmware/target/coldfire/uart-coldfire.c @@ -0,0 +1,60 @@ +/*************************************************************************** + * __________ __ ___. + * 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 +#include +#include + +#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; +} + -- cgit v1.2.3