Board-specific LED logic moved to board-specific directory

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@161 42af7a65-404d-4744-a932-0658087f49c3

arch/pjrc-8051/src/up_leds.c

-/************************************************************
- * up_leds.c
- *
- *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
- *
- * 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 Gregory Nutt 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 <nuttx/config.h>
-#include <sys/types.h>
-#include "up_internal.h"
-
-/************************************************************
- * Definitions
- ************************************************************/
-
-#define RESET_KLUDGE_NEEDED 1
-
-/************************************************************
- * Private Data
- ************************************************************/
-
-static ubyte g_ledstate;
-
-/************************************************************
- * Private Functions
- ************************************************************/
-
-#if defined(CONFIG_LED_DEBUG) && defined(CONFIG_ARCH_LEDS)
-static void _up_puthex(ubyte hex) __naked
-{
-  hex; /* To avoid unreferenced argument warning */
-  _asm
-        mov     a, dpl
-        ljmp    PM2_ENTRY_PHEX
-  _endasm;
-}
-
-static void _up_putch(ubyte ch) __naked
-{
-  _asm
-        mov     a, dpl
-        ljmp	PM2_ENTRY_COUT
-  _endasm;
-}
-
-static void _up_putnl(void) __naked
-{
-  _asm
-	ljmp	PM2_ENTRY_NEWLINE
-  _endasm;
-}
-
-# define _up_showledinit() \
-  _up_putch('I'); \
-  _up_puthex(g_ledstate); _up_putch(':'); \
-  _up_puthex(p82c55_port_e); _up_putnl();
-
-# define _up_showledreset() \
-  _up_putch('R'); \
-  _up_puthex(led); _up_putch(':'); \
-  _up_puthex(g_ledstate); _up_putch(':'); \
-  _up_puthex(p82c55_port_e); _up_putnl();
-
-# define _up_showledon() \
-  _up_putch('+'); \
-  _up_puthex(led); _up_putch(':'); \
-  _up_puthex(g_ledstate); _up_putch(':'); \
-  _up_puthex(p82c55_port_e); _up_putnl();
-
-# define _up_showledoff() \
-  _up_putch('-'); \
-  _up_puthex(led); _up_putch(':'); \
-  _up_puthex(g_ledstate); _up_putch(':'); \
-  _up_puthex(p82c55_port_e); _up_putnl();
-
-#else
-
-# define _up_showledinit()
-# define _up_showledreset()
-# define _up_showledon()
-# define _up_showledoff()
-
-#endif
-
-/************************************************************
- * Public Funtions
- ************************************************************/
-
-/************************************************************
- * Name: up_ledinit
- ************************************************************/
-
-#ifdef CONFIG_ARCH_LEDS
-void up_ledinit(void)
-{
-  /* Set all ports as outputs */
-
-  p82c55_def_config = 128;
-
-  /* Turn LED 1-7 off; turn LED 0 on */
-
-  g_ledstate    = 0xfe;
-  p82c55_port_e = g_ledstate;
-
-  _up_showledinit();
-}
-
-/************************************************************
- * Name: up_ledon
- ************************************************************/
-
-void up_ledon(ubyte led)
-{
-  /* This may be called from an interrupt handler */
-
-  irqstate_t flags = irqsave();
-
-#ifdef RESET_KLUDGE_NEEDED
-  /* I don't understand why this happens yet, but sometimes
-   * it is necessary to reconfigure port E.
-   */
-
-  if (g_ledstate != p82c55_port_e)
-    {
-      _up_showledreset();
-      p82c55_def_config = 128;
-    }
-#endif
-
-  /* Clear the bit in port E corresponding to LED to turn it on */
-
-  if (led < 8)
-    {
-      g_ledstate   &= ~(g_ntobit[led]);
-      p82c55_port_e = g_ledstate;
-    }
-
-  _up_showledon();
-  irqrestore(flags);
-}
-
-/************************************************************
- * Name: up_ledoff
- ************************************************************/
-
-void up_ledoff(ubyte led)
-{
-  /* This may be called from an interrupt handler */
-
-  irqstate_t flags = irqsave();
-
-#ifdef RESET_KLUDGE_NEEDED
-  /* I don't understand why this happens yet, but sometimes
-   * it is necessary to reconfigure port E.
-   */
-
-  if (g_ledstate != p82c55_port_e)
-    {
-      _up_showledreset();
-      p82c55_def_config = 128;
-    }
-#endif
-
-  /* Set the bit in port E corresponding to LED to turn it off */
-
-  if (led < 8)
-    {
-      g_ledstate   |= g_ntobit[led];
-      p82c55_port_e = g_ledstate;
-    }
-
-  _up_showledoff();
-  irqrestore(flags);
-}
-#endif /* CONFIG_ARCH_LEDS */