Contiki 2.6

n740.h

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00001 /*
00002  * Copyright (c) 2010, Loughborough University - Computer Science
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the Institute nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  *
00029  * This file is part of the Contiki operating system.
00030  */
00031 
00032 /**
00033  * \file
00034  *         Header File for the module which controls the Sensinode N740
00035  *         8-bit serial-in/serial or parallel-out shift register.
00036  *
00037  *         This is where the Accelerometer, Leds, Light and Battery Sensors
00038  *         are connected.
00039  *
00040  * \author
00041  *         George Oikonomou - <oikonomou@users.sourceforge.net>
00042  */
00043 
00044 #ifndef N740SERPAR_H_
00045 #define N740SERPAR_H_
00046 
00047 #include "8051def.h"
00048 
00049 #define N740_SER_PAR_ACC_GSEL    0x01 /* Acceleration Sensor g-Select */
00050 #define N740_SER_PAR_CHIP_SEL    0x02 /* Flash Chip Select */
00051 #define N740_SER_PAR_LIGHT       0x04 /* Light Sensor */
00052 #define N740_SER_PAR_ACC         0x08 /* Acceleration Sensor */
00053 #define N740_SER_PAR_RF_IN_GAIN  0x10 /* Receiver Amplifier, best not set */
00054 #define N740_SER_PAR_U5_ENABLE   0x20 /* U5 analog switch enable */
00055 #define N740_SER_PAR_LED_GREEN   0x40 /* Led 1 */
00056 #define N740_SER_PAR_LED_RED     0x80 /* Led 2 */
00057 
00058 #define N740_ANALOG_SWITCH_USB      0
00059 #define N740_ANALOG_SWITCH_SERIAL   1
00060 
00061 #define N740_PINS 0xE0
00062 #define N740_PINS_GPIO()   {P1SEL &= ~N740_PINS;}
00063 #define N740_PINS_PER_IO() {P1SEL |= N740_PINS;}
00064 
00065 /* Serial/Parallel Shift Register (74HC595D) Functions */
00066 void n740_ser_par_init(void);
00067 void n740_ser_par_set(uint8_t data) ;
00068 uint8_t n740_ser_par_get(void);
00069 
00070 /* Analog Switch (U5 - 74HC4053D) Functions */
00071 void n740_analog_switch(uint8_t state);
00072 void n740_analog_activate();
00073 void n740_analog_deactivate();
00074 
00075 #endif /* N740SERPAR_H_ */