mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-08-17 13:29:10 +00:00
185 lines
6.5 KiB
C
185 lines
6.5 KiB
C
/*
|
|
* Copyright (c) 2016, Zolertia <http://www.zolertia.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 Institute 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 INSTITUTE 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 INSTITUTE 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.
|
|
*
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \addtogroup remote-zonik
|
|
* @{
|
|
* Driver for the RE-Mote Zonik sonometer board
|
|
* @{
|
|
* \file
|
|
* Driver for the RE-Mote Zonik sound sensor (ZONIK)
|
|
* \author
|
|
* Aitor Mejias <amejias@zolertia.com>
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
#include <stdio.h>
|
|
#include "contiki.h"
|
|
#include "dev/gpio.h"
|
|
#include "dev/i2c.h"
|
|
#include "zonik.h"
|
|
#include "sys/timer.h"
|
|
#include "sys/etimer.h"
|
|
#include "lib/sensors.h"
|
|
/*---------------------------------------------------------------------------*/
|
|
#define DEBUG 0
|
|
#if DEBUG
|
|
#define PRINTF(...) printf(__VA_ARGS__)
|
|
#else
|
|
#define PRINTF(...)
|
|
#endif
|
|
/*---------------------------------------------------------------------------*/
|
|
#define ZONIK_INT1_PORT_BASE GPIO_PORT_TO_BASE(ZONIK_INT_PORT)
|
|
#define ZONIK_INT1_PIN_MASK GPIO_PIN_MASK(ZONIK_INT_PIN)
|
|
/*---------------------------------------------------------------------------*/
|
|
static uint8_t zonik_buffer[ZONIK_FRAME_SIZE+1];
|
|
static uint16_t zonik_status = ZONIK_DISABLED;
|
|
/*---------------------------------------------------------------------------*/
|
|
static struct etimer et;
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(zonik_stm_process, "Zonik process process handler");
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(zonik_stm_process, ev, data)
|
|
{
|
|
#if DEBUG
|
|
static int i;
|
|
#endif
|
|
PROCESS_EXITHANDLER();
|
|
PROCESS_BEGIN();
|
|
|
|
while(1) {
|
|
/* Wait a process */
|
|
etimer_set(&et, ZONIK_SECOND_INTERVAL);
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
|
|
|
|
/* Control the interrupt for activate the sensor */
|
|
GPIO_SET_OUTPUT(ZONIK_INT1_PORT_BASE, ZONIK_INT1_PIN_MASK);
|
|
GPIO_CLR_PIN(ZONIK_INT1_PORT_BASE, ZONIK_INT1_PIN_MASK);
|
|
clock_delay_usec(ZONIK_INITIAL_WAIT_DELAY);
|
|
i2c_master_enable();
|
|
if(i2c_single_send(ZONIK_ADDR, ZONIK_CMD_READ) != I2C_MASTER_ERR_NONE) {
|
|
zonik_status = ZONIK_ERROR;
|
|
PRINTF("Zonik: Error in I2C Communication\n");
|
|
}
|
|
GPIO_SET_PIN(ZONIK_INT1_PORT_BASE, ZONIK_INT1_PIN_MASK);
|
|
GPIO_SET_INPUT(ZONIK_INT1_PORT_BASE, ZONIK_INT1_PIN_MASK);
|
|
if(zonik_status != ZONIK_ERROR) {
|
|
etimer_set(&et, ZONIK_WAIT_ACQ);
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
|
|
clock_delay_usec(ZONIK_FINAL_WAIT_DELAY);
|
|
i2c_master_enable();
|
|
if(i2c_burst_receive(ZONIK_ADDR, &zonik_buffer[0], ZONIK_FRAME_SIZE) !=
|
|
I2C_MASTER_ERR_NONE) {
|
|
zonik_status = ZONIK_ERROR;
|
|
PRINTF("Zonik: Error in I2C Burst Mode Receive");
|
|
}
|
|
#if DEBUG
|
|
PRINTF("\nZonik: ");
|
|
for(i=0; i<ZONIK_FRAME_SIZE; i++) {
|
|
PRINTF(" 0x%02x ", zonik_buffer[i]);
|
|
}
|
|
PRINTF("\n");
|
|
#endif
|
|
if(zonik_status != ZONIK_ERROR) {
|
|
zonik_status = ZONIK_ACTIVE;
|
|
}
|
|
}
|
|
}
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
status(int type)
|
|
{
|
|
switch(type) {
|
|
case SENSORS_ACTIVE:
|
|
case SENSORS_READY:
|
|
return zonik_status;
|
|
}
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
value(int type)
|
|
{
|
|
/* If the system is enabling the sensor internally. Return the same state */
|
|
if(zonik_status == ZONIK_HW_INIT) {
|
|
return ZONIK_HW_INIT;
|
|
}
|
|
/* If no valid parameter, return error */
|
|
if(zonik_status != ZONIK_ACTIVE) {
|
|
return ZONIK_DISABLED;
|
|
}
|
|
/* Return the dBA received data */
|
|
if(type == ZONIK_DBA_LEQ_VALUE) {
|
|
return ((uint16_t)zonik_buffer[2] << 8) + zonik_buffer[3];
|
|
}
|
|
/* Return the internal counter loop received data */
|
|
if(type == ZONIK_COUNT_VALUE) {
|
|
return ((uint16_t)zonik_buffer[0] << 8) + zonik_buffer[1];
|
|
}
|
|
return ZONIK_ERROR;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
configure(int type, int value)
|
|
{
|
|
if(type == ZONIK_ACTIVE) {
|
|
if(value == ZONIK_VALUE_DEACTIVATE) {
|
|
/* Disable the Zonik Sensor reading process */
|
|
process_exit(&zonik_stm_process);
|
|
zonik_status = ZONIK_DISABLED;
|
|
return zonik_status;
|
|
}
|
|
/* Enable the Zonik Sensor reading process */
|
|
i2c_init(I2C_SDA_PORT, I2C_SDA_PIN, I2C_SCL_PORT, I2C_SCL_PIN,
|
|
I2C_SCL_NORMAL_BUS_SPEED);
|
|
|
|
/* configuration of I2C interrupt control */
|
|
GPIO_SOFTWARE_CONTROL(ZONIK_INT1_PORT_BASE, ZONIK_INT1_PIN_MASK);
|
|
GPIO_SET_INPUT(ZONIK_INT1_PORT_BASE, ZONIK_INT1_PIN_MASK);
|
|
/* Launch the main process */
|
|
process_start(&zonik_stm_process, NULL);
|
|
zonik_status = ZONIK_HW_INIT;
|
|
return zonik_status;
|
|
}
|
|
/* Bad configuration */
|
|
return ZONIK_ERROR;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
SENSORS_SENSOR(zonik, ZONIK_SENSOR, value, configure, status);
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* @}
|
|
* @}
|
|
*/
|
|
|