nes-proj/arch/platform/jn516x/dev/dongle/leds-arch.c

81 lines
2.6 KiB
C

/*
* Copyright (c) 2015 NXP B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of NXP B.V. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY NXP B.V. AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NXP B.V. OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* Author: Theo van Daele <theo.van.daele@nxp.com>
*
*/
#include "contiki.h"
#include "leds.h"
#include <AppHardwareApi.h>
#define LED_G (1 << 16)
#define LED_R (1 << 17)
static volatile uint8_t leds;
/*---------------------------------------------------------------------------*/
void
leds_arch_init(void)
{
vAHI_DioSetDirection(0, LED_R | LED_G);
vAHI_DioSetOutput(0, LED_R | LED_G); /* Default off */
leds = 0;
}
/*---------------------------------------------------------------------------*/
unsigned char
leds_arch_get(void)
{
return leds;
}
/*---------------------------------------------------------------------------*/
void
leds_arch_set(unsigned char c)
{
uint32 on_mask = 0;
uint32 off_mask = 0;
if(c & LEDS_GREEN) {
on_mask |= LED_G;
} else {
off_mask |= LED_G;
} if(c & LEDS_RED) {
on_mask |= LED_R;
} else {
off_mask |= LED_R;
} vAHI_DioSetOutput(on_mask, off_mask);
/* Both LEDs can not be switched on at the same time.
Will result in both leds being OFF */
if(on_mask == (LED_R | LED_G)) {
leds = 0;
} else {
leds = c;
}
}