osd-contiki/platform/z1/dev/light-ziglet.h

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2012-05-11 13:38:14 +02:00
/*
* Copyright (c) 2010, Swedish Institute of Computer Science.
* 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.
*
*/
/**
* \file
* Device drivers header file for light ziglet sensor in Zolertia Z1 WSN Platform.
* \author
* Antonio Lignan, Zolertia <alinan@zolertia.com>
* Marcus Lundén, SICS <mlunden@sics.se>
*/
#ifndef LIGHT_ZIGLET_H_
#define LIGHT_ZIGLET_H_
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#include <stdio.h>
#include "i2cmaster.h"
/* -------------------------------------------------------------------------- */
/* Init the light ziglet sensor: ports, pins, I2C, interrupts (XXX none so far),
*/
void light_ziglet_init(void);
/* Write to a register.
args:
reg register to write to
val value to write
*/
void tsl2563_write_reg(uint8_t reg, uint16_t val);
/* Read one register.
args:
reg what register to read
returns the value of the read register
*/
uint16_t tsl2563_read_reg(uint8_t reg);
/* Takes a single light reading
args: none
returns a lux value
*/
uint16_t light_ziglet_read();
/* Calculates the lux values from the calibration table
args: raw values from sensor
returns a lux value
*/
uint16_t calculateLux(uint16_t *readRaw);
/* Turns the light ziglet ON and polls the sensor for a light reading */
uint16_t light_ziglet_on(void);
/* -------------------------------------------------------------------------- */
/* Reference definitions */
/* TSL2563 slave address */
#define TSL2563_ADDR 0x39
/* Registers */
#define TSL2563_READ 0xAC
#define TSL2563_PWRN 0x03
/* Calibration settings */
#define K1T 0X0040
#define B1T 0x01f2
#define M1T 0x01b2
#define K2T 0x0080
#define B2T 0x0214
#define M2T 0x02d1
#define K3T 0x00c0
#define B3T 0x023f
#define M3T 0x037b
#define K4T 0x0100
#define B4T 0x0270
#define M4T 0x03fe
#define K5T 0x0138
#define B5T 0x016f
#define M5T 0x01fc
#define K6T 0x019a
#define B6T 0x00d2
#define M6T 0x00fb
#define K7T 0x029a
#define B7T 0x0018
#define M7T 0x0012
#define K8T 0x029a
#define B8T 0x0000
#define M8T 0x0000
/* -------------------------------------------------------------------------- */
#endif /* ifndef LIGHT_ZIGLET_H_ */
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