7a18ebe459
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com> Change-Id: I5701b42ff930998198b1d915316cc4f2d085d4eb
145 lines
4.9 KiB
C
145 lines
4.9 KiB
C
/****************************************************************************
|
|
* boards/arm/lpc43xx/lpc4357-evb/src/lpc43_userleds.c
|
|
*
|
|
* Copyright (C) 2014, 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 "arm_arch.h"
|
|
#include "arm_internal.h"
|
|
|
|
#include "lpc4357-evb.h"
|
|
|
|
#ifndef CONFIG_ARCH_LEDS
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* LED definitions **********************************************************/
|
|
|
|
/* The LPC4357-EVB has one user-controllable LED labelled D6 controlled by
|
|
* the signal LED_3V3:
|
|
*
|
|
* ---- ------- -------------
|
|
* LED SIGNAL MCU
|
|
* ---- ------- -------------
|
|
* D6 LED_3V3 PE_7 GPIO7[7]
|
|
* ---- ------- -------------
|
|
*
|
|
* LED is grounded and a high output illuminates the LED.
|
|
*
|
|
* If CONFIG_ARCH_LEDS is not defined, then the LEDs are completely under
|
|
* control of the application. The following interfaces are then available
|
|
* for application control of the LEDs:
|
|
*
|
|
* uint32_t board_userled_initialize(void);
|
|
* void board_userled(int led, bool ledon);
|
|
* void board_userled_all(uint32_t ledset);
|
|
*/
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: led_dumppins
|
|
****************************************************************************/
|
|
|
|
#ifdef LED_VERBOSE
|
|
static void led_dumppins(FAR const char *msg)
|
|
{
|
|
lpc43_pin_dump(PINCONFIG_LED, msg);
|
|
lpc43_gpio_dump(GPIO_LED, msg);
|
|
}
|
|
#else
|
|
# define led_dumppins(m)
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: board_userled_initialize
|
|
****************************************************************************/
|
|
|
|
uint32_t board_userled_initialize(void)
|
|
{
|
|
/* Configure LED pin as a GPIO outputs */
|
|
|
|
led_dumppins("board_userled_initialize() Entry)");
|
|
|
|
/* Configure LED pin as a GPIO, then configure GPIO as an outputs */
|
|
|
|
lpc43_pin_config(PINCONFIG_LED);
|
|
lpc43_gpio_config(GPIO_LED);
|
|
|
|
led_dumppins("board_userled_initialize() Exit");
|
|
return BOARD_NLEDS;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: board_userled
|
|
****************************************************************************/
|
|
|
|
void board_userled(int led, bool ledon)
|
|
{
|
|
if (led == BOARD_LED)
|
|
{
|
|
lpc43_gpio_write(GPIO_LED, !ledon);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: board_userled_all
|
|
****************************************************************************/
|
|
|
|
void board_userled_all(uint32_t ledset)
|
|
{
|
|
lpc43_gpio_write(GPIO_LED, (ledset & BOARD_LED_BIT) == 0);
|
|
}
|
|
|
|
#endif /* !CONFIG_ARCH_LEDS */
|