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/****************************************************************************
* configs/dk-tm4c129x/src/tm4c_userleds.c
*
* Copyright (C) 2014 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.
*
****************************************************************************/
/* The development board has one tri-color user LED.
*
* --- ------------ -----------------
* Pin Pin Function Jumper
* --- ------------ -----------------
* PN5 Red LED J36 pins 1 and 2
* PQ4 Blue LED J36 pins 3 and 4
* PQ7 Green LED J36 pins 5 and 6
* --- ------------ -----------------
*
* A high output illuminates the LED.
*/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <debug.h>
#include <arch/board/board.h>
#include "tiva_gpio.h"
#include "dk-tm4c129x.h"
#ifndef CONFIG_ARCH_LEDS
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* CONFIG_DEBUG_LEDS enables debug output from this file (needs CONFIG_DEBUG
* with CONFIG_DEBUG_VERBOSE too)
*/
#ifdef CONFIG_DEBUG_LEDS
# define leddbg lldbg
# define ledvdbg llvdbg
#else
# define leddbg(x...)
# define ledvdbg(x...)
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: tiva_ledinit
****************************************************************************/
void tiva_ledinit(void)
{
/* Configure LED PIOs for output */
tiva_configgpio(GPIO_LED_R);
tiva_configgpio(GPIO_LED_G);
tiva_configgpio(GPIO_LED_B);
}
/****************************************************************************
* Name: tiva_setled
****************************************************************************/
void tiva_setled(int led, bool ledon)
{
uint32_t ledcfg;
if (led == BOARD_LED_R)
{
ledcfg = GPIO_LED_R;
}
else if (led == BOARD_LED_B)
{
ledcfg = GPIO_LED_B;
}
else if (led == BOARD_LED_G)
{
ledcfg = GPIO_LED_G;
}
else
{
return;
}
tiva_gpiowrite(ledcfg, ledon);
}
/****************************************************************************
* Name: tiva_setleds
****************************************************************************/
void tiva_setleds(uint8_t ledset)
{
bool ledon;
ledon = ((ledset & BOARD_LED_R_BIT) != 0);
tiva_gpiowrite(GPIO_LED_R, ledon);
ledon = ((ledset & BOARD_LED_G_BIT) != 0);
tiva_gpiowrite(GPIO_LED_G, ledon);
ledon = ((ledset & BOARD_LED_B_BIT) != 0);
tiva_gpiowrite(GPIO_LED_B, ledon);
}
#endif /* !CONFIG_ARCH_LEDS */
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