nuttx/boards/arm/imxrt/teensy-4.x/src/imxrt_userleds.c
2022-03-05 02:08:52 +08:00

81 lines
2.7 KiB
C

/****************************************************************************
* boards/arm/imxrt/teensy-4.x/src/imxrt_userleds.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/* There are two LED status indicators located on Teensy-4.x Board. The
* functions of these LEDs include:
*
* - RED LED (loading status)
* - dim: ready
* - bright: writing
* - blink: no USB
* - USER LED (D3)
*
* Only a single LED, D3, is under software control.
*/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "imxrt_gpio.h"
#include "imxrt_iomuxc.h"
#include <arch/board/board.h>
#include "teensy-4.h"
#ifndef CONFIG_ARCH_LEDS
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_userled_initialize
****************************************************************************/
uint32_t board_userled_initialize(void)
{
/* Configure LED GPIO for output */
imxrt_config_gpio(GPIO_LED);
return BOARD_NLEDS;
}
/****************************************************************************
* Name: board_userled
****************************************************************************/
void board_userled(int led, bool ledon)
{
imxrt_gpio_write(GPIO_LED, ledon);
}
/****************************************************************************
* Name: board_userled_all
****************************************************************************/
void board_userled_all(uint32_t ledset)
{
imxrt_gpio_write(GPIO_LED, (ledset & BOARD_USERLED_BIT));
}
#endif /* !CONFIG_ARCH_LEDS */