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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-26 22:05:53 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-26 22:05:53 +0000 |
commit | 06c5cbbff4968fac4181d2204b1985252f4d5016 (patch) | |
tree | 2132b1007882b28747d2b57d7e2bda95edf6fb32 /nuttx/configs/c5471evm/src/up_leds.c | |
parent | 7f08ecc62c5e5eb9e1cc2ac02fb66869bd3f2054 (diff) | |
download | px4-nuttx-06c5cbbff4968fac4181d2204b1985252f4d5016.tar.gz px4-nuttx-06c5cbbff4968fac4181d2204b1985252f4d5016.tar.bz2 px4-nuttx-06c5cbbff4968fac4181d2204b1985252f4d5016.zip |
Initial Revision
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@148 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/c5471evm/src/up_leds.c')
-rw-r--r-- | nuttx/configs/c5471evm/src/up_leds.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/nuttx/configs/c5471evm/src/up_leds.c b/nuttx/configs/c5471evm/src/up_leds.c new file mode 100644 index 000000000..59ba2464b --- /dev/null +++ b/nuttx/configs/c5471evm/src/up_leds.c @@ -0,0 +1,107 @@ +/************************************************************ + * 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 CS2 *(volatile uint32*)0xffff2e08 +#define LEDS *(volatile uint32*)0x01000000 + +/************************************************************ + * Private Data + ************************************************************/ + +static uint32 g_ledstate; + +/************************************************************ + * Private Functions + ************************************************************/ + +/************************************************************ + * Public Funtions + ************************************************************/ + +/************************************************************ + * Name: up_ledinit + ************************************************************/ + +#ifdef CONFIG_ARCH_LEDS +void up_ledinit(void) +{ + /* Enable access to LEDs */ + + CS2 = 0x000013db; + + /* Turn LED 1-7 off; turn LED 0 on */ + + g_ledstate = 0x000000fe; + LEDS = g_ledstate; +} + +/************************************************************ + * Name: up_ledon + ************************************************************/ + +void up_ledon(int led) +{ + if (led < 8) + { + g_ledstate &= ~(1 << led); + LEDS = g_ledstate; + } +} + +/************************************************************ + * Name: up_ledoff + ************************************************************/ + +void up_ledoff(int led) +{ + if (led < 8) + { + g_ledstate |= (1 << led); + LEDS = g_ledstate; + } +} +#endif /* CONFIG_ARCH_LEDS */ |