nuttx/configs/pic32mz-starterkit/src/pic32mz_userleds.c

147 lines
5.0 KiB
C

/****************************************************************************
* configs/pic32mz-starterkit/src/pic32mz_userleds.c
*
* Copyright (C) 2015 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 <stdint.h>
#include <stdbool.h>
#include <debug.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "up_internal.h"
#include "pic32mz-gpio.h"
#include "pic32mz-starterkit.h"
#ifndef CONFIG_ARCH_LEDS
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* LED Configuration ********************************************************/
/* The PIC32MZ Ethernet Starter kit has 3 user LEDs labelled LED1-3 on the
* board:
*
* PIN LED Notes
* --- ----- -------------------------
* RH0 LED1 High illuminates (RED)
* RH1 LED3 High illuminates (YELLOW)
* RH2 LED2 High illuminates (GREEN)
*
* If CONFIG_ARCH_LEDS is not defined, then the user is free to control the
* LEDs through the functions provided in this file
*/
/* Debug ********************************************************************/
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_LEDS)
# define leddbg lldbg
# ifdef CONFIG_DEBUG_VERBOSE
# define ledvdbg lldbg
# else
# define ledvdbg(x...)
# endif
#else
# undef CONFIG_DEBUG_LEDS
# undef CONFIG_DEBUG_VERBOSE
# define leddbg(x...)
# define ledvdbg(x...)
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/* The following array simply maps the PIC32MZ_STARTERKIT_LEDn index values
* to the correct LED pin configuration.
*/
static const uint16_t g_ledpincfg[PIC32MZ_STARTERKIT_NLEDS] =
{
GPIO_LED_1, GPIO_LED_2, GPIO_LED_3
};
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_userled_initialize
****************************************************************************/
void board_userled_initialize(void)
{
/* Configure output pins */
pic32mz_configgpio(GPIO_LED_1);
pic32mz_configgpio(GPIO_LED_2);
pic32mz_configgpio(GPIO_LED_3);
}
/****************************************************************************
* Name: board_userled
****************************************************************************/
void board_userled(int led, bool ledon)
{
if ((unsigned)led < PIC32MZ_STARTERKIT_NLEDS)
{
pic32mz_gpiowrite(g_ledpincfg[led], ledon);
}
}
/****************************************************************************
* Name: board_userled_all
****************************************************************************/
void board_userled_all(uint8_t ledset)
{
board_userled(PIC32MZ_STARTERKIT_LED1,
(ledset & PIC32MZ_STARTERKIT_LED1_BIT) != 0);
board_userled(PIC32MZ_STARTERKIT_LED2,
(ledset & PIC32MZ_STARTERKIT_LED2_BIT) != 0);
board_userled(PIC32MZ_STARTERKIT_LED3,
(ledset & PIC32MZ_STARTERKIT_LED3_BIT) != 0);
}
#endif /* !CONFIG_ARCH_LEDS */