2015-02-25 12:11:09 +00:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
|
|
|
|
* 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 the copyright holder 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 HOLDER 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.
|
|
|
|
*/
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
/**
|
|
|
|
* \addtogroup sensortag-cc26xx-reed-relay
|
|
|
|
* @{
|
|
|
|
*
|
|
|
|
* \file
|
2016-07-17 00:56:35 +00:00
|
|
|
* Driver for the Sensortag Reed Relay
|
2015-02-25 12:11:09 +00:00
|
|
|
*/
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
#include "contiki.h"
|
|
|
|
#include "sys/clock.h"
|
|
|
|
#include "sys/timer.h"
|
|
|
|
#include "lib/sensors.h"
|
|
|
|
#include "sensortag/reed-relay.h"
|
|
|
|
#include "gpio-interrupt.h"
|
|
|
|
#include "sys/timer.h"
|
|
|
|
|
|
|
|
#include "ti-lib.h"
|
|
|
|
|
|
|
|
#include <stdint.h>
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
static struct timer debouncetimer;
|
|
|
|
/*---------------------------------------------------------------------------*/
|
2015-05-01 14:48:00 +00:00
|
|
|
#define REED_IO_CFG (IOC_CURRENT_2MA | IOC_STRENGTH_AUTO | \
|
2015-02-25 12:11:09 +00:00
|
|
|
IOC_IOPULL_DOWN | IOC_SLEW_DISABLE | \
|
|
|
|
IOC_HYST_DISABLE | IOC_BOTH_EDGES | \
|
|
|
|
IOC_INT_DISABLE | IOC_IOMODE_NORMAL | \
|
2015-04-20 07:31:38 +00:00
|
|
|
IOC_NO_WAKE_UP | IOC_INPUT_ENABLE)
|
2015-02-25 12:11:09 +00:00
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
/**
|
|
|
|
* \brief Handler for Sensortag-CC26XX reed interrupts
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
reed_interrupt_handler(uint8_t ioid)
|
|
|
|
{
|
|
|
|
if(!timer_expired(&debouncetimer)) {
|
|
|
|
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
sensors_changed(&reed_relay_sensor);
|
|
|
|
timer_set(&debouncetimer, CLOCK_SECOND / 2);
|
|
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
static int
|
|
|
|
value(int type)
|
|
|
|
{
|
2016-06-11 18:42:32 +00:00
|
|
|
return (int)ti_lib_gpio_read_dio(BOARD_IOID_REED_RELAY);
|
2015-02-25 12:11:09 +00:00
|
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
/**
|
|
|
|
* \brief Configuration function for the button sensor for all buttons.
|
|
|
|
*
|
|
|
|
* \param type SENSORS_HW_INIT: Initialise. SENSORS_ACTIVE: Enables/Disables
|
|
|
|
* depending on 'value'
|
|
|
|
* \param value 0: disable, non-zero: enable
|
|
|
|
* \return Always returns 1
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
configure(int type, int value)
|
|
|
|
{
|
|
|
|
switch(type) {
|
|
|
|
case SENSORS_HW_INIT:
|
|
|
|
ti_lib_ioc_int_disable(BOARD_IOID_REED_RELAY);
|
2016-06-11 18:42:32 +00:00
|
|
|
ti_lib_gpio_clear_event_dio(BOARD_IOID_REED_RELAY);
|
2015-02-25 12:11:09 +00:00
|
|
|
|
2015-05-01 14:48:00 +00:00
|
|
|
/* Enable the GPIO clock when the CM3 is running */
|
2015-02-25 12:11:09 +00:00
|
|
|
ti_lib_prcm_peripheral_run_enable(PRCM_PERIPH_GPIO);
|
2015-05-01 14:48:00 +00:00
|
|
|
|
|
|
|
/* S/W control, input, pull-down */
|
2015-02-25 12:11:09 +00:00
|
|
|
ti_lib_ioc_port_configure_set(BOARD_IOID_REED_RELAY, IOC_PORT_GPIO,
|
2015-05-01 14:48:00 +00:00
|
|
|
REED_IO_CFG);
|
2015-02-25 12:11:09 +00:00
|
|
|
|
|
|
|
gpio_interrupt_register_handler(BOARD_IOID_REED_RELAY,
|
|
|
|
reed_interrupt_handler);
|
|
|
|
break;
|
|
|
|
case SENSORS_ACTIVE:
|
|
|
|
if(value) {
|
|
|
|
ti_lib_ioc_int_enable(BOARD_IOID_REED_RELAY);
|
|
|
|
} else {
|
|
|
|
ti_lib_ioc_int_disable(BOARD_IOID_REED_RELAY);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
/**
|
|
|
|
* \brief Status function for the reed
|
|
|
|
* \param type SENSORS_ACTIVE or SENSORS_READY
|
|
|
|
* \return 1 Interrupt enabled, 0: Disabled
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
status(int type)
|
|
|
|
{
|
|
|
|
switch(type) {
|
|
|
|
case SENSORS_ACTIVE:
|
|
|
|
case SENSORS_READY:
|
|
|
|
return (ti_lib_ioc_port_configure_get(BOARD_IOID_REED_RELAY)
|
|
|
|
& IOC_INT_ENABLE) == IOC_INT_ENABLE;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
SENSORS_SENSOR(reed_relay_sensor, "REED", value, configure, status);
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
/** @} */
|