103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
/*
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* Copyright (c) 2018, Texas Instruments Incorporated - http://www.ti.com/
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* All rights reserved.
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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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* 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 the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software 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 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup simplelink-platform
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* @{
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*
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* \file
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* Driver for LaunchPad LEDs
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*/
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/*---------------------------------------------------------------------------*/
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/* Contiki API */
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#include <contiki.h>
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#include <dev/leds.h>
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/*---------------------------------------------------------------------------*/
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/* Simplelink SDK API */
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#include <Board.h>
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#include <ti/drivers/PIN.h>
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/*---------------------------------------------------------------------------*/
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/* Standard library */
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#include <stdbool.h>
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#include <stdint.h>
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/*---------------------------------------------------------------------------*/
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static const PIN_Config pin_table[] = {
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Board_PIN_LED0 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
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Board_PIN_LED1 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
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PIN_TERMINATE
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};
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static PIN_State pin_state;
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static PIN_Handle pin_handle;
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static volatile unsigned char c;
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/*---------------------------------------------------------------------------*/
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void
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leds_arch_init(void)
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{
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static bool bHasInit = false;
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if(bHasInit) {
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return;
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}
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// PIN_init() called from Board_initGeneral()
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pin_handle = PIN_open(&pin_state, pin_table);
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if (!pin_handle) {
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return;
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}
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bHasInit = true;
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}
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/*---------------------------------------------------------------------------*/
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unsigned char
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leds_arch_get(void)
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{
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return c;
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}
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/*---------------------------------------------------------------------------*/
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void
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leds_arch_set(unsigned char leds)
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{
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c = leds;
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PIN_setPortOutputValue(pin_handle, 0);
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if (leds & LEDS_RED) {
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PIN_setOutputValue(pin_handle, Board_PIN_LED0, 1);
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}
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if (leds & LEDS_GREEN) {
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PIN_setOutputValue(pin_handle, Board_PIN_LED1, 1);
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}
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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