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31 st  Jan to 1 st  Feb 2008 TECHNOLOGY ROBOTICS SOCIETY Indian Institute of Technology, Kharagpur
Computer Control Parallel & Serial Port Communication
PC Parallel Port - Features ,[object Object],[object Object],[object Object],[object Object],[object Object]
PC Parallel Port – Pin Layout
PC Parallel Port – I/O Registers ,[object Object],[object Object],[object Object],[object Object]
PC Parallel Port – I/O Registers ,[object Object]
Accessing Parallel Port – VC ++ #include <conio.h> #define Data  0x378 // Base address #define Status  0x379 // Base address + 1 #define Control 0x37a // Base address + 2 int main () { unsigned char Bits; Bits = 0b11001010; _outp(Data, Bits);  /* output data */ Bits = _inp(Status);/*  input data */  return (0); }
PC Serial Port - Features ,[object Object],[object Object],[object Object],[object Object]
EIA RS232C Specifications ,[object Object],[object Object],[object Object],[object Object]
Serial Port vs. Parallel Port ,[object Object],[object Object],[object Object],[object Object],[object Object]
Null Modem Configuration ,[object Object],[object Object],[object Object],[object Object],[object Object]
RS-232 Waveforms ,[object Object],[object Object],[object Object],[object Object]
RS-232 Level Converters ,[object Object],[object Object]
RS-232 frame decoding ,[object Object],[object Object],[object Object]
Accessing Serial Port - VB ,[object Object]
MSComm Control Properties
MSComm Control Properties ,[object Object],[object Object],[object Object]
MSComm Control Properties
MSComm Control Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
MSComm Control Properties
MSComm Control Properties ,[object Object],[object Object],[object Object],[object Object]
Example Code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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