105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
/*
|
|
* Copyright (c) 2016, University of Bristol - http://www.bris.ac.uk/
|
|
* 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 srf06-common-peripherals
|
|
* @{
|
|
*
|
|
* \file
|
|
* Driver for the SmartRF06EB ALS when a CC13xx/CC26xxEM is mounted on it
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
#include "contiki.h"
|
|
#include "lib/sensors.h"
|
|
#include "srf06/als-sensor.h"
|
|
#include "sys/timer.h"
|
|
#include "dev/adc-sensor.h"
|
|
#include "dev/aux-ctrl.h"
|
|
|
|
#include "ti-lib.h"
|
|
|
|
#include <stdint.h>
|
|
/*---------------------------------------------------------------------------*/
|
|
static aux_consumer_module_t als_aux = {
|
|
.clocks = AUX_WUC_ADI_CLOCK | AUX_WUC_ANAIF_CLOCK | AUX_WUC_SMPH_CLOCK
|
|
};
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
config(int type, int enable)
|
|
{
|
|
switch(type) {
|
|
case SENSORS_HW_INIT:
|
|
ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_ALS_PWR);
|
|
break;
|
|
case SENSORS_ACTIVE:
|
|
ti_lib_ioc_pin_type_gpio_output(BOARD_IOID_ALS_PWR);
|
|
ti_lib_ioc_port_configure_set(BOARD_IOID_ALS_OUT, IOC_PORT_GPIO,
|
|
IOC_STD_OUTPUT);
|
|
ti_lib_gpio_dir_mode_set(BOARD_ALS_OUT, GPIO_DIR_MODE_IN);
|
|
|
|
if(enable) {
|
|
ti_lib_gpio_pin_write(BOARD_ALS_PWR, 1);
|
|
aux_ctrl_register_consumer(&als_aux);
|
|
ti_lib_aux_adc_select_input(ADC_COMPB_IN_AUXIO7);
|
|
clock_delay_usec(2000);
|
|
} else {
|
|
ti_lib_gpio_pin_write(BOARD_ALS_PWR, 0);
|
|
aux_ctrl_unregister_consumer(&als_aux);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
value(int type)
|
|
{
|
|
int val;
|
|
|
|
ti_lib_aux_adc_enable_sync(AUXADC_REF_VDDS_REL, AUXADC_SAMPLE_TIME_2P7_US,
|
|
AUXADC_TRIGGER_MANUAL);
|
|
ti_lib_aux_adc_gen_manual_trigger();
|
|
val = ti_lib_aux_adc_read_fifo();
|
|
ti_lib_aux_adc_disable();
|
|
|
|
return val;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
status(int type)
|
|
{
|
|
return 1;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
SENSORS_SENSOR(als_sensor, ALS_SENSOR, value, config, status);
|
|
/*---------------------------------------------------------------------------*/
|
|
/** @} */
|