From 9ee5cfaffa313949563fb37f7cd39a2b7620a4dd Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Mon, 1 Sep 2014 12:27:17 -0600 Subject: Obsolete support for the 8051 family. Trying to maintain compatibility with this family is too much effort and there has never really been a successful NuttX impplementation on these parts --- misc/Obsoleted/arch/8051/src/up_delay.c | 93 +++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 misc/Obsoleted/arch/8051/src/up_delay.c (limited to 'misc/Obsoleted/arch/8051/src/up_delay.c') diff --git a/misc/Obsoleted/arch/8051/src/up_delay.c b/misc/Obsoleted/arch/8051/src/up_delay.c new file mode 100644 index 000000000..ad8950e86 --- /dev/null +++ b/misc/Obsoleted/arch/8051/src/up_delay.c @@ -0,0 +1,93 @@ +/************************************************************************ + * up_delay.c + * + * Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************/ + +/************************************************************************ + * Included Files + ************************************************************************/ + +#include +#include +#include "up_internal.h" + +/************************************************************************ + * Definitions + ************************************************************************/ + +/************************************************************************ + * Private Types + ************************************************************************/ + +/************************************************************************ + * Private Function Prototypes + ************************************************************************/ + +/************************************************************************ + * Private Variables + ************************************************************************/ + +/************************************************************************ + * Private Functions + ************************************************************************/ + + +/************************************************************************ + * Public Funtions + ************************************************************************/ + +/************************************************************************ + * Name: up_delay + * + * Description: + * Delay inline for the requested number of milliseconds. + * NOT multi-tasking friendly. + * + ************************************************************************/ + +void up_delay(uint8_t milliseconds) __naked +{ + _asm + mov r0, dpl +00001$: mov r1, #230 +00002$: nop + nop + nop + nop + nop + nop + djnz r1, 00002$ + djnz r0, 00001$ + ret + _endasm; +} -- cgit v1.2.3