138 lines
4.2 KiB
C
138 lines
4.2 KiB
C
/****************************************************************************
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* configs/tm4c1294-launchpad/src/tm4c_userleds.c
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/* The EK-TM4C1294XL has a four green LEDs.
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*
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* --- ------------
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* Pin Pin Function
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* --- ------------
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* PN1 Green LED D1
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* PN0 Green LED D2
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* PF4 Green LED D3
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* PF0 Green LED D4
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* --- ------------
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*
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* A high output illuminates the LED.
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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 "tiva_gpio.h"
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#include "tm4c1294-launchpad.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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void board_userled_initialize(void)
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{
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/* Configure LED PIOs for output */
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tiva_configgpio(GPIO_LED_D1);
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tiva_configgpio(GPIO_LED_D2);
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tiva_configgpio(GPIO_LED_D3);
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tiva_configgpio(GPIO_LED_D4);
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}
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/****************************************************************************
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* Name: board_userled
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****************************************************************************/
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void board_userled(int led, bool ledon)
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{
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uint32_t ledcfg;
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if (led == BOARD_LED_D1)
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{
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ledcfg = GPIO_LED_D1;
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}
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else if (led == BOARD_LED_D2)
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{
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ledcfg = GPIO_LED_D2;
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}
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else if (led == BOARD_LED_D3)
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{
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ledcfg = GPIO_LED_D3;
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}
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else if (led == BOARD_LED_D4)
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{
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ledcfg = GPIO_LED_D4;
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}
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else
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{
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return;
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}
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tiva_gpiowrite(ledcfg, ledon);
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}
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/****************************************************************************
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* Name: board_userled_all
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****************************************************************************/
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void board_userled_all(uint8_t ledset)
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{
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bool ledon;
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ledon = ((ledset & BOARD_LED_D1_BIT) != 0);
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tiva_gpiowrite(GPIO_LED_D1, ledon);
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ledon = ((ledset & BOARD_LED_D2_BIT) != 0);
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tiva_gpiowrite(GPIO_LED_D2, ledon);
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ledon = ((ledset & BOARD_LED_D3_BIT) != 0);
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tiva_gpiowrite(GPIO_LED_D3, ledon);
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ledon = ((ledset & BOARD_LED_D4_BIT) != 0);
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tiva_gpiowrite(GPIO_LED_D4, ledon);
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}
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#endif /* !CONFIG_ARCH_LEDS */
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