D-Link DSL-G684T Manual de usuario descargar pdf (Pagina 74)

SPI_Uart_WriteByte(LCR, 0xBF); // access EFR register

SPI_Uart_WriteByte(EFR, SPI_Uart_config.Flow); // enable

enhanced registers

SPI_Uart_WriteByte(LCR, SPI_Uart_config.DataFormat); // 8

data bit, 1 stop bit, no parity

SPI_Uart_WriteByte(FCR, 0x06); // reset TXFIFO, reset

RXFIFO, non FIFO mode

SPI_Uart_WriteByte(FCR, 0x01); // enable FIFO mode

// Perform read/write test to check if UART is working

SPI_Uart_WriteByte(SPR,'H');

data = SPI_Uart_ReadByte(SPR);

if(data == 'H'){

return 1;

}

else{

return 0;

}

void SPI_Uart_WriteByte(char address, char data)

// Write <data> to SC16IS750 register at <address>

{

long int length;

char senddata[2];

senddata[0] = address;

senddata[1] = data;

select();

length = SPI_Write(senddata, 2);

deselect();

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D-Link DSL-G684T Manual de usuario Pagina 74