Add CC13xx/CC26xx ADC driver
This commit is contained in:
Atis Elsts
George Oikonomou
parent
43b8bf3d30
commit
487547d8af
|
|
@ -69,7 +69,7 @@ CONTIKI_CPU_DIRS += ../arm/common/dbg-io
|
|||
### CPU-dependent source files
|
||||
CONTIKI_CPU_SOURCEFILES += clock.c rtimer-arch.c soc-rtc.c uart.c
|
||||
CONTIKI_CPU_SOURCEFILES += contiki-watchdog.c aux-ctrl.c
|
||||
CONTIKI_CPU_SOURCEFILES += putchar.c ieee-addr.c batmon-sensor.c
|
||||
CONTIKI_CPU_SOURCEFILES += putchar.c ieee-addr.c batmon-sensor.c adc-sensor.c
|
||||
CONTIKI_CPU_SOURCEFILES += slip-arch.c slip.c cc26xx-uart.c lpm.c
|
||||
CONTIKI_CPU_SOURCEFILES += gpio-interrupt.c oscillators.c
|
||||
CONTIKI_CPU_SOURCEFILES += rf-core.c rf-ble.c ieee-mode.c
|
||||
|
|
|
|||
|
|
@ -0,0 +1,133 @@
|
|||
/*
|
||||
* Copyright (c) 2016, University of Bristol - http://www.bristol.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 cc26xx-adc-sensor
|
||||
* @{
|
||||
*
|
||||
* \file
|
||||
* Driver for the CC13xx/CC26xx ADC
|
||||
*/
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#include "contiki.h"
|
||||
#include "lib/sensors.h"
|
||||
#include "dev/adc-sensor.h"
|
||||
#include "gpio-interrupt.h"
|
||||
#include "sys/timer.h"
|
||||
#include "lpm.h"
|
||||
|
||||
#include "ti-lib.h"
|
||||
#include "driverlib/aux_adc.h"
|
||||
#include "aux-ctrl.h"
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdbool.h>
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static uint8_t channel = ADC_COMPB_IN_AUXIO0;
|
||||
static bool is_active = false;
|
||||
|
||||
static aux_consumer_module_t adc_aux = {
|
||||
.clocks = AUX_WUC_ADI_CLOCK | AUX_WUC_ANAIF_CLOCK | AUX_WUC_SMPH_CLOCK
|
||||
};
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
config(int type, int c)
|
||||
{
|
||||
switch(type) {
|
||||
case SENSORS_ACTIVE:
|
||||
is_active = c;
|
||||
|
||||
if(is_active) {
|
||||
/* Request AUX access, with ADI and SMPH clocks */
|
||||
aux_ctrl_register_consumer(&adc_aux);
|
||||
|
||||
ti_lib_aux_adc_select_input(channel);
|
||||
} else {
|
||||
aux_ctrl_unregister_consumer(&adc_aux);
|
||||
}
|
||||
break;
|
||||
|
||||
case ADC_SENSOR_SET_CHANNEL:
|
||||
channel = c;
|
||||
if(is_active) {
|
||||
ti_lib_aux_adc_select_input(channel);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
status(int type)
|
||||
{
|
||||
switch(type) {
|
||||
case SENSORS_ACTIVE:
|
||||
if(is_active) {
|
||||
return 1;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
value(int type)
|
||||
{
|
||||
if(type == ADC_SENSOR_VALUE) {
|
||||
int val;
|
||||
|
||||
if(!is_active) {
|
||||
puts("ADC not active");
|
||||
return 0;
|
||||
}
|
||||
|
||||
ti_lib_aux_adc_enable_sync(AUXADC_REF_FIXED, 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;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
SENSORS_SENSOR(adc_sensor, ADC_SENSOR, value, config, status);
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @} */
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
/*
|
||||
* Copyright (c) 2016, University of Bristol - http://www.bristol.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 cc26xx
|
||||
* @{
|
||||
*
|
||||
* \defgroup cc26xx-adc-sensor CC13xx/CC26xx ADC Sensor
|
||||
* @{
|
||||
*
|
||||
* \file
|
||||
* Header file for the CC13xx/CC26xx ADC driver
|
||||
*/
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#ifndef ADC_SENSOR_H_
|
||||
#define ADC_SENSOR_H_
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#include "lib/sensors.h"
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#define ADC_SENSOR "ADC"
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#define ADC_SENSOR_VALUE 0
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/* configuration commands */
|
||||
#define ADC_SENSOR_SET_CHANNEL 1 /* takes ADC_COMPB_IN_AUXIxx as parameter */
|
||||
/*---------------------------------------------------------------------------*/
|
||||
extern const struct sensors_sensor adc_sensor;
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#endif /* ADC_SENSOR_H_ */
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/**
|
||||
* @}
|
||||
* @}
|
||||
*/
|
||||
Loading…
Reference in New Issue