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/****************************************************************************
* configs/sure-pic32mx/src/pic32mx_leds.c
*
* Copyright (C) 2011, 2013, 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 <nuttx/board.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "up_internal.h"
#include "pic32mx-internal.h"
#include "pic32mx-ioport.h"
#include "sure-pic32mx.h"
#ifdef CONFIG_ARCH_LEDS
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* LED Configuration ********************************************************/
/* The Sure PIC32MX board has five LEDs. One (D4, lablel "Power") is not
* controllable by software. Four are controllable by software:
*
* D7 "USB" Yellow RD7 Low illuminates
* D8 "SD" Yellow RD6 Low illuminates
* D9 "Flash" Yellow RF0 Low illuminates
* D10 "Error" Red RF1 Low illuminates
*
* ON OFF
* USB SD FLASH ERROR USB SD FLASH ERROR
* LED_STARTED 0 OFF OFF OFF OFF --- --- --- ---
* LED_HEAPALLOCATE 1 ON OFF N/C N/C --- --- --- ---
* LED_IRQSENABLED 2 OFF ON N/C N/C --- --- --- ---
* LED_STACKCREATED 3 ON ON N/C N/C --- --- --- ---
* LED_INIRQ 4 N/C N/C ON N/C N/C N/C OFF N/C
* LED_SIGNAL 4 N/C N/C ON N/C N/C N/C OFF N/C
* LED_ASSERTION 4 N/C N/C ON N/C N/C N/C OFF N/C
* LED_PANIC 5 N/C N/C N/C ON N/C N/C N/C OFF
*/
/* LED Management Definitions ***********************************************/
#define LED_OFF 0
#define LED_ON 1
#define LED_NC 2
/* 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 types
****************************************************************************/
struct led_setting_s
{
uint8_t usb : 2;
uint8_t sd : 2;
uint8_t flash : 2;
uint8_t error : 2;
};
/****************************************************************************
* Private Data
****************************************************************************/
static const struct led_setting_s g_ledonvalues[LED_NVALUES] =
{
{LED_OFF, LED_OFF, LED_OFF, LED_OFF},
{LED_ON, LED_OFF, LED_NC, LED_NC},
{LED_OFF, LED_ON, LED_NC, LED_NC},
{LED_ON, LED_ON, LED_NC, LED_NC},
{LED_NC, LED_NC, LED_ON, LED_NC},
{LED_NC, LED_NC, LED_NC, LED_ON},
};
static const struct led_setting_s g_ledoffvalues[LED_NVALUES] =
{
{LED_NC, LED_NC, LED_NC, LED_NC},
{LED_NC, LED_NC, LED_NC, LED_NC},
{LED_NC, LED_NC, LED_NC, LED_NC},
{LED_NC, LED_NC, LED_NC, LED_NC},
{LED_NC, LED_NC, LED_OFF, LED_NC},
{LED_NC, LED_NC, LED_NC, LED_OFF}
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: up_setleds
****************************************************************************/
void up_setleds(FAR const struct led_setting_s *setting)
{
if (setting->usb != LED_NC)
{
pic32mx_gpiowrite(GPIO_USB_LED, setting->usb != LED_ON);
}
if (setting->sd != LED_NC)
{
pic32mx_gpiowrite(GPIO_SD_LED, setting->sd != LED_ON);
}
if (setting->flash != LED_NC)
{
pic32mx_gpiowrite(GPIO_FLASH_LED, setting->flash != LED_ON);
}
if (setting->error != LED_NC)
{
pic32mx_gpiowrite(GPIO_ERROR_LED, setting->error != LED_ON);
}
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: pic32mx_ledinit
****************************************************************************/
void pic32mx_ledinit(void)
{
/* Configure output pins */
pic32mx_configgpio(GPIO_USB_LED);
pic32mx_configgpio(GPIO_SD_LED);
pic32mx_configgpio(GPIO_FLASH_LED);
pic32mx_configgpio(GPIO_ERROR_LED);
}
/****************************************************************************
* Name: board_led_on
****************************************************************************/
void board_led_on(int led)
{
if (led < LED_NVALUES)
{
up_setleds(&g_ledonvalues[led]);
}
}
/****************************************************************************
* Name: board_led_off
****************************************************************************/
void board_led_off(int led)
{
if (led < LED_NVALUES)
{
up_setleds(&g_ledoffvalues[led]);
}
}
#endif /* CONFIG_ARCH_LEDS */
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