40cd67eee6
Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
107 lines
3.7 KiB
C
107 lines
3.7 KiB
C
/****************************************************************************
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* boards/arm/sam34/sam4l-xplained/src/sam_userleds.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/* There are three LEDs on board the SAM4L Xplained Pro board: The EDBG
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* controls two of the LEDs, a power LED and a status LED. There is only
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* one user controllable LED, a yellow LED labeled LED0 near the SAM4L USB
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* connector.
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*
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* This LED is controlled by PC07 and LED0 can be activated by driving the
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* PC07 to GND.
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*
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* When CONFIG_ARCH_LEDS is defined in the NuttX configuration, NuttX will
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* control LED0. Otherwise, LED0 can be controlled from user applications
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* using the logic in this file.
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*/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <debug.h>
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#include <arch/board/board.h>
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#include "sam_gpio.h"
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#include "sam4l-xplained.h"
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#ifndef CONFIG_ARCH_LEDS
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_userled_initialize
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*
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* Description:
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
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* LEDs. If CONFIG_ARCH_LEDS is not defined, then the
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* board_userled_initialize() is available to initialize the LED0 from
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* user application logic.
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*
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****************************************************************************/
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uint32_t board_userled_initialize(void)
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{
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sam_configgpio(GPIO_LED0);
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return BOARD_NLEDS;
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}
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/****************************************************************************
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* Name: board_userled
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*
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* Description:
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
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* LEDs. If CONFIG_ARCH_LEDS is not defined, then the board_userled() is
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* available to control the LED0 from user application logic.
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*
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****************************************************************************/
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void board_userled(int led, bool ledon)
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{
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if (led == BOARD_LED0)
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{
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sam_gpiowrite(GPIO_LED0, !ledon);
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}
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}
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/****************************************************************************
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* Name: board_userled_all
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*
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* Description:
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* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
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* LEDs. If CONFIG_ARCH_LEDS is not defined, then the board_userled_all()
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* is available to control the LED0 from user application logic. NOTE: since
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* there is only a single LED on-board, this is function is not very useful.
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*
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****************************************************************************/
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void board_userled_all(uint32_t ledset)
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{
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board_userled(BOARD_LED0, (ledset & BOARD_LED0_BIT) != 0);
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}
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#endif /* !CONFIG_ARCH_LEDS */
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