Working code of the pic32mx440f256l

[nilesh]

^Hi,

 

          ^{This is the working code of the pic32MX440f256L.}

 

 

 

^{#define FCY     6000000UL}

^{#include <plib.h>}

 

 

^{void Tx2Ch(char Ch)}

^{

    ^{while(U2STAbits.UTXBF);                     // wait while Tx buffer full}

    ^{U2TXREG = Ch;}

^}

 

^{void Tx2Str(char *Str)}

^{

    ^while(*Str){

        ^{Tx2Ch(*Str++);}

    ^}

^}

 ^{void UARTInit()}

 ^{

  ^{TRISFbits.TRISF4 = 1;                               // U2RX pin configured as a input.}

  ^{TRISFbits.TRISF5 = 0;                               // U2TX pin configured as a output.}

  ^{U2BRG=194;                                             //for 19200}

  ^{//  U2MODEbits.ON = 1;  // stop in idel mode bit}

  ^{U2MODEbits.USIDL = 0;  // stop in idel mode bit}

  ^{U2MODEbits.IREN = 0; // encoder and decoder enable bit}

  ^{U2MODEbits.RTSMD = 0; // mode selection for RTS}

  ^{U2MODEbits.UEN = 2;  // UART enabled bit}

  ^{U2MODEbits.WAKE = 0; // wake up on start bit detect during sleep mode enable bit}

  ^{U2MODEbits.LPBACK = 0; // UART loop back mode}

  ^{U2MODEbits.ABAUD = 0; // auto boud enable bit}

  ^{U2MODEbits.RXINV = 0; // receive polarity inversion}

  ^{U2MODEbits.BRGH = 0; // high baud rate enable bit}

  ^{U2MODEbits.PDSEL = 0; // parity and data selection bit}

  ^{U2MODEbits.STSEL = 0; // stop bit selection bit}

  ^{U2STAbits.UTXISEL0 = 0; // transmission interrupt mode selection bits}

  ^{U2STAbits.UTXISEL1 = 1;}

  ^{U2STAbits.UTXINV = 0; // transmit polarity inversion bit}

  ^{U2STAbits.UTXBRK = 0; // transmit break bit}

  ^{U2STAbits.URXISEL = 0; // receiver interrupt mode selection bits}

  ^{U2STAbits.ADDEN = 0; // address character detect bit}

  ^{U2STAbits.UTXEN = 1;    // transmit enable bit}

  //

---

//

   ^{U2STAbits.URXEN = 1;    // receivert enable bit}

   ^{IFS1bits.U2RXIF = 0; // Clear Flag}

   ^{IPC8bits.U2IP = 4; // Set Priority}

   ^{IPC8bits.U2IS = 1; // Set Sub-Priority}

   ^{IEC1bits.U2RXIE = 1; // Enable Interrupt}

 

^{//  IFS1bits.U2RXIF= 0;}

  ^{IFS1bits.U2TXIF= 0;}

  ^{IEC1bits.U2TXIE = 0;                                // U2TX interrupt disabled.}

  ^{//IEC1bits.U2RXIE = 1;                                // U2RX interrupt enabled.}

  ^{IFS1bits.U2EIF=0; //Clears error interrupt flag}

  ^{U2MODEbits.UARTEN = 1; // UART enable bit}

^}

 

 ^{void __ISR(_UART_2_VECTOR, IPL4SOFT)UART2VECTORHandler (void)}

^{

     ^{IFS1bits.U2RXIF=0;}

     ^{char u2_rx;}

     ^{u2_rx = U2RXREG;}

     ^{U2TXREG =  u2_rx;}

 

^}

 

^{void main(void)}

^{

 ^{//Controller working on 60Mhz}

 

   ^UARTInit();

   DelayMs(500);

     while(1)

    {

 

        ^{Tx2Str(“SAMPLE“);}

         ^{DelayMs(500);}

    ^}

^}

[AJISH ALFRED]

what does this code do?

[Author]

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