mnady
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I have aproblem
i want to read in matlab data that transmetted from Atmel (AT89c51cc01))
code
/////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////
in matlab
the code
but the result in matlab is
Warning: The input buffer was filled before the Terminator was reached.
ss =
''
please help me to solve this problem
i want to read in matlab data that transmetted from Atmel (AT89c51cc01))
code
/////////////////////////////////////////////////////////////////////////////////////////////
Code C - [expand] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 /*------------------------------------------------------------------------------ HELLO.C Copyright 1995-2005 Keil Software, Inc. ------------------------------------------------------------------------------*/ #include <REG52.H> /* special function register declarations */ /* for the intended 8051 derivative */ #include <stdio.h> /* prototype declarations for I/O functions */ #define baudrate 9600 #ifdef MONITOR51 /* Debugging with Monitor-51 needs */ char code reserve [3] _at_ 0x23; /* space for serial interrupt if */ #endif /* Stop Exection with Serial Intr. */ /* is enabled */ /*------------------------------------------------ The main C function. Program execution starts here after stack initialization. ------------------------------------------------*/ void main (void) { /*------------------------------------------------ Setup the serial port for 1200 baud at 16MHz. ------------------------------------------------*/ #ifndef MONITOR51 SCON = 0x50; /* SCON: mode 1, 8-bit UART, enable rcvr */ TMOD |= 0x20; /* TMOD: timer 1, mode 2, 8-bit reload */ TH1 = 221; /* TH1: reload value for 1200 baud @ 16MHz */ TR1 = 1; /* TR1: timer 1 run */ TI = 1; /* TI: set TI to send first char of UART */ #endif /*------------------------------------------------ Note that an embedded program never exits (because there is no operating system to return to). It must loop and execute forever. ------------------------------------------------*/ while (1) { P1 ^= 0x01; /* Toggle P1.0 each time we print */ printf ("Hello World\n"); /* Print "Hello World" */ } }
////////////////////////////////////////////////////////////////
in matlab
the code
Code:
s = serial('COM1','BaudRate',9600);
fopen(s)
ss=fgets(s)
but the result in matlab is
Warning: The input buffer was filled before the Terminator was reached.
ss =
''
please help me to solve this problem
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