The Internet Power Line Adapter - University of Queensland

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Home Automation, Power Lines and the Internet Quenten Alick } } if(UseWTI) { TransmitPacket(USE_WTI); } else { TransmitPacket(0); } } void ReadCommand( uint8 command, near uint8* rawData, /* O: page 1 data from NIC */ uint8* length ) /* O: length of data from NIC */ { StartErrorTimer(); while((ISRstate!=ISR_IDLE) && (ISRstate!=ISR_ATTN)) { TestErrorTimer(); /* test error timer and restart if expired */ } NIC_CS = LOW; ISRstate = ISR_RCV_LEN; transBfr.buf = rawData; transBfr.index = 0; /* initialize index */ WriteToSPI(command); StartErrorTimer(); while(ISRstate != ISR_IDLE) { TestErrorTimer(); } *length = transBfr.len; NIC_CS = HIGH; } void riteCommand( uint8 command, near uint8* rawData, /* I: page 1 data to NIC */ uint8 length ) /* I: length of data to NIC */ { StartErrorTimer(); while((ISRstate!=ISR_IDLE) && (ISRstate!=ISR_ATTN)) { TestErrorTimer(); } NIC_CS = LOW; ISRstate = ISR_XMIT_LEN; transBfr.buf = rawData; transBfr.len = length; transBfr.index = 0; WriteToSPI(command); StartErrorTimer(); while(ISRstate != ISR_IDLE) { - 60 - TestErrorTimer(); /* test error timer and restart if expired */ } NIC_CS = HIGH; } /* * Original Author: Stan JK * * Modified by: Tony Truong * * File: stamdard.h */ typedef unsigned char uint8; typedef struct { uint8 LSB; uint8 MSB; } uint16; typedef struct /* allows 8 boolean flags to coexist in single uint8 */ { uint8 b0 : 1; uint8 b1 : 1; uint8 b2 : 1; uint8 b3 : 1; uint8 b4 : 1; uint8 b5 : 1; uint8 b6 : 1; uint8 b7 : 1; } booleans; typedef uint8 boolean; #define FALSE 0 #define TRUE 1 #define INVALID 0 #define VALID 1 #define OFF 0 #define ON 1 #define LOW 0 #define HIGH 1 #define NULL 0 #define DisableInterrupts() _asm("\tsei\n") #define EnableInterrupts() _asm("\tcli\n") #define ResetStackPtr() _asm("\trsp\n")
Home Automation, Power Lines and the Internet Quenten Alick References & Bibliography [1] Buffkin E., CEBus, LonWorks heading for ‘homeLAN’, Electronic Engineering Times, May 8, 1995, n847 pp.58-61. [2] Datasheet for the Domosys CEWay PL-One is available from Domosys Corporation Internet page: http://www.domosys.com [3] Evans G, Digital Consumer Electronics Handbook, McGraw-Hill, N.Y., 1997, pp29.1-29.19 [4] Hambley A.R, Electronics: A Top-Down Approach to Computer-Aided Circuit Design, Prentice Hall, Englewood Cliffs New Jersey, 1994, pp525-527 [5] Holst W, Intelligent Homes (and X-10) http://web.cs.ualberta.ca/~wade/HyperHome/top.html [6] Information regarding the Apache Web Server is available from the Apache Internet page: http://www.apache.org/ [7] Information regarding the IT5000 is available from ITRAN Communication Internet page: http://www.itrancomm.com [8] Information regarding embedded Linux is available from the Internet page: http://www.thinlinux.org/ [9] Information regarding Linux serial communications is available from the Internet pages: http://sunsite.unc.edu/LDP/HOWTO/Serial-Programming-HOWTO.html http://sunsite.unc.edu/LDP/HOWTO/Serial-HOWTO.html - 61 -
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The Internet Power Line Adapter - University of Queensland

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