/**************************************************************************** * 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 #include "imxrt_gpio.h" #include "imxrt_iomuxc.h" #include #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 */