pic16f1936

[hhhluck]

my project is for mplabx , file is bootloader


and my app use 485 code with C(piece code)

Code:

#define RE LATA1   
#define DE LATC5

for Receive

Code:

void ur_init(void) {
    INTCON = 0b00000000; //GIE and PEIE disable;TO and INT enable;IntFlag cleared
    SPBRG = 25; // 19200  8M  HIGH 25
    BRGH = 1;
    RCSTA = 0x90;
    // RCSTA: SPEN RX9 SREN CREN ADDEN FERR OERR RX9D 
    //           1   0    0    1    0     0    0    0  
    TXSTA = 0x06;
    // TXSTA : CSRC TX9 TXEN SYNC -- BRGH TRMT TX9D 
    //          0    0   0     0       1    1    0   
    rclenth = 0;
    txlenth = 0;
    TRISC7 = 1;
    RE = 1;
    DE = 0;
    CREN = 1;
    RCIE = 1;
    INTCON = 0b11000000;
}

Send

Code:

DE = 1;
    RE = 0;
    TXEN = 1;
    TXIE = 1;