diff options
Diffstat (limited to 'nuttx/configs/zkit-arm-1769/src/up_leds.c')
-rw-r--r-- | nuttx/configs/zkit-arm-1769/src/up_leds.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/nuttx/configs/zkit-arm-1769/src/up_leds.c b/nuttx/configs/zkit-arm-1769/src/up_leds.c new file mode 100644 index 000000000..f0d8730d5 --- /dev/null +++ b/nuttx/configs/zkit-arm-1769/src/up_leds.c @@ -0,0 +1,161 @@ +/**************************************************************************** + * configs/zkit-arm-1769/src/up_leds.c + * arch/arm/src/board/up_leds.c + * + * Copyright (C) 2013 Zilogic Systems. All rights reserved. + * Author: BabuSubashChandar <code@zilogic.com> + * + * Based on configs/lpcxpresso-lpc1768/src/up_leds.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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 <nuttx/config.h> + +#include <stdbool.h> +#include <debug.h> + +#include "up_arch.h" +#include "up_internal.h" + +#include "lpc17_internal.h" +#include "zkitarm_internal.h" + +#ifdef CONFIG_ARCH_LEDS + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/* CONFIG_DEBUG_LED enables debug output from this file (needs CONFIG_DEBUG + * and pherhaps CONFIG_DEBUG_VERBOSE too) + */ + +#ifdef CONFIG_DEBUG_LED +# define leddbg lldbg +# ifdef CONFIG_DEBUG_VERBOSE +# define ledvdbg lldbg +# else +# define ledvdbg(x...) +# endif +#else +# define leddbg(x...) +# define ledvdbg(x...) +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static bool g_ncstate; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_ledinit + ****************************************************************************/ + +void up_ledinit(void) +{ + /* Configure all LED GPIO lines */ + + lpc17_configgpio(ZKITARM_LED1); + lpc17_configgpio(ZKITARM_LED2); + g_ncstate = true; +} + +/**************************************************************************** + * Name: up_ledon + ****************************************************************************/ + +void up_ledon(int led) +{ + bool off; + + switch (led) + { + case 0: + case 2: + off = true; + break; + + case 1: + off = false; + g_ncstate = false; + break; + + default: + return; + } + + lpc17_gpiowrite(ZKITARM_LED1, off); + lpc17_gpiowrite(ZKITARM_LED2, off); +} + +/**************************************************************************** + * Name: up_ledoff + ****************************************************************************/ + +void up_ledoff(int led) +{ + bool off; + + switch (led) + { + case 0: + case 1: + off = false; + break; + + case 2: + off = g_ncstate; + break; + + default: + return; + } + + lpc17_gpiowrite(ZKITARM_LED1, off); + lpc17_gpiowrite(ZKITARM_LED2, off); +} + +#endif /* CONFIG_ARCH_LEDS */ |