/****************************************************************************
* configs/cloudctrl/src/up_relays.c
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
* Darcy Gong <darcy.gong@gmail.com>
*
* 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 NuttX 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 THE COPYRIGHT HOLDERS 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 THE
* COPYRIGHT OWNER 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <unistd.h>
#include <debug.h>
#include <nuttx/arch.h>
#include <arch/board/board.h>
#include "cloudctrl-internal.h"
#ifdef CONFIG_ARCH_RELAYS
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define RELAYS_MIN_RESET_TIME 5
#define RELAYS_RESET_MTIME 5
#define RELAYS_POWER_MTIME 50
/****************************************************************************
* Private Data
****************************************************************************/
static uint32_t g_relays_stat = 0;
static bool g_relays_init = false;
static const uint16_t g_relays[NUM_RELAYS] =
{
GPIO_RELAYS_R00
#ifdef GPIO_RELAYS_R01
, GPIO_RELAYS_R01
#endif
#ifdef GPIO_RELAYS_R02
, GPIO_RELAYS_R02
#endif
#ifdef GPIO_RELAYS_R03
, GPIO_RELAYS_R03
#endif
#ifdef GPIO_RELAYS_R04
, GPIO_RELAYS_R04
#endif
#ifdef GPIO_RELAYS_R05
, GPIO_RELAYS_R05
#endif
#ifdef GPIO_RELAYS_R06
, GPIO_RELAYS_R06
#endif
#ifdef GPIO_RELAYS_R07
, GPIO_RELAYS_R07
#endif
#ifdef GPIO_RELAYS_R08
, GPIO_RELAYS_R08
#endif
#ifdef GPIO_RELAYS_R09
, GPIO_RELAYS_R09
#endif
#ifdef GPIO_RELAYS_R10
, GPIO_RELAYS_R10
#endif
#ifdef GPIO_RELAYS_R11
, GPIO_RELAYS_R11
#endif
#ifdef GPIO_RELAYS_R12
, GPIO_RELAYS_R12
#endif
#ifdef GPIO_RELAYS_R13
, GPIO_RELAYS_R13
#endif
#ifdef GPIO_RELAYS_R14
, GPIO_RELAYS_R14
#endif
#ifdef GPIO_RELAYS_R15
, GPIO_RELAYS_R15
#endif
#ifdef GPIO_RELAYS_R16
, GPIO_RELAYS_R16
#endif
#ifdef GPIO_RELAYS_R17
, GPIO_RELAYS_R17
#endif
#ifdef GPIO_RELAYS_R18
, GPIO_RELAYS_R18
#endif
#ifdef GPIO_RELAYS_R19
, GPIO_RELAYS_R19
#endif
#ifdef GPIO_RELAYS_R20
, GPIO_RELAYS_R20
#endif
#ifdef GPIO_RELAYS_R21
, GPIO_RELAYS_R21
#endif
#ifdef GPIO_RELAYS_R22
, GPIO_RELAYS_R22
#endif
#ifdef GPIO_RELAYS_R23
, GPIO_RELAYS_R23
#endif
#ifdef GPIO_RELAYS_R24
, GPIO_RELAYS_R24
#endif
#ifdef GPIO_RELAYS_R25
, GPIO_RELAYS_R25
#endif
#ifdef GPIO_RELAYS_R26
, GPIO_RELAYS_R26
#endif
#ifdef GPIO_RELAYS_R27
, GPIO_RELAYS_R27
#endif
#ifdef GPIO_RELAYS_R28
, GPIO_RELAYS_R28
#endif
#ifdef GPIO_RELAYS_R29
, GPIO_RELAYS_R29
#endif
#ifdef GPIO_RELAYS_R30
, GPIO_RELAYS_R30
#endif
#ifdef GPIO_RELAYS_R31
, GPIO_RELAYS_R31
#endif
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
void up_relaysinit(void)
{
int i;
if (g_relays_init)
{
return;
}
/* Configure the GPIO pins as inputs. NOTE that EXTI interrupts are
* configured for some pins but NOT used in this file
*/
for (i = 0; i < NUM_RELAYS; i++)
{
stm32_configgpio(g_relays[i]);
stm32_gpiowrite(g_relays[i], false);
}
g_relays_init = true;
}
void relays_setstat(int relays,bool stat)
{
if ((unsigned)relays < NUM_RELAYS)
{
stm32_gpiowrite(g_relays[relays], stat);
if (!stat)
{
g_relays_stat &= ~(1 << relays);
}
else
{
g_relays_stat |= (1 << relays);
}
}
}
bool relays_getstat(int relays)
{
if ((unsigned)relays < NUM_RELAYS)
{
return (g_relays_stat & (1 << relays)) != 0;
}
return false;
}
void relays_setstats(uint32_t relays_stat)
{
int i;
for (i = 0; i < NUM_RELAYS; i++)
{
relays_setstat(i, (relays_stat & (1<<i))!=0);
}
}
uint32_t relays_getstats(void)
{
return (uint32_t)g_relays_stat;
}
void relays_onoff(int relays, uint32_t mdelay)
{
if ((unsigned)relays < NUM_RELAYS)
{
if (mdelay>0)
{
if (relays_getstat(relays))
{
relays_setstat(relays, false);
usleep(RELAYS_MIN_RESET_TIME*1000*1000);
}
relays_setstat(relays,true);
usleep(mdelay*100*1000);
relays_setstat(relays, false);
}
}
}
void relays_onoffs(uint32_t relays_stat, uint32_t mdelay)
{
int i;
for (i = 0; i < NUM_RELAYS; i++)
{
relays_onoff(i, mdelay);
}
}
void relays_resetmode(int relays)
{
relays_onoff(relays, RELAYS_RESET_MTIME);
}
void relays_powermode(int relays)
{
relays_onoff(relays, RELAYS_POWER_MTIME);
}
void relays_resetmodes(uint32_t relays_stat)
{
relays_onoffs(relays_stat, RELAYS_RESET_MTIME);
}
void relays_powermodes(uint32_t relays_stat)
{
relays_onoffs(relays_stat, RELAYS_POWER_MTIME);
}
#endif /* CONFIG_ARCH_BUTTONS */
