Курсовая работа: Система съема данных с оптопар

U0IIR; // clear interrupt ID

U0RBR; // clear receive register

U0LSR; // clear line status register

// set the baudrate

U0LCR = ULCR_DLAB_ENABLE; // select divisor latches

U0DLL = (uint8_t)baud; // set for baud low byte

U0DLM = (uint8_t)(baud >> 8); // set for baud high byte

// set the number of characters and other

// user specified operating parameters

U0LCR = (mode & ~ULCR_DLAB_ENABLE);

U0FCR = fifomode;

}

int uart0SendByte(int data)

{

while(!(U0LSR & ULSR_THRE)) // wait for TX buffer to empty

continue; // also either WDOG() or swap()

U0THR = (uint8_t)data;

return (uint8_t)data;

}

int uart0GetByte(void)

{

if(U0LSR & ULSR_RDR) // check if character is available

return U0RBR; // return character

return -1;

}

void uart1Init(uint16_t baud, uint8_t mode, uint8_t fifomode)

{

// set port pins for UART1

PINSEL0 = (PINSEL0 & ~U1_PINMASK) | U1_PINSEL;