int serial_write(char *buf, unsigned short com) {
serial_configure_baud_rate(com, 2);
serial_configure_line(com);
while(*buf != 0) {
if((serial_is_transmit_fifo_empty(com) & 0x20) == 0x00)
continue;
outb(SERIAL_DATA_PORT(com), *buf);
buf++;
}
return currPos;
}
void sprint(uint8_t* buf, uint16_t len){
if(is_configured == 1){
serial_configure_bit_rate(SERIAL_COM1_BASE, 1);
serial_configure_line(SERIAL_COM1_BASE);
serial_configure_fifo(SERIAL_COM1_BASE);
serial_configure_modem(SERIAL_COM1_BASE);
is_configured = 1;
}
for(unsigned int i = 0; i < len; i++){
while(serial_is_transmit_fifo_empty(SERIAL_COM1_BASE) == 0);
outb(SERIAL_DATA_PORT(SERIAL_COM1_BASE), buf[i]);
}
}
void serial_write(char * buf, int len)
{
int burst_length = (len < 14) ? len : 14;
int i = 0;
while (burst_length)
{
while (!serial_is_transmit_fifo_empty(SERIAL_COM1_BASE)) {};
for (i = 0; i < burst_length; ++i)
{
outb(SERIAL_DATA_PORT(SERIAL_COM1_BASE), *(buf + i));
}
buf += burst_length;
len -= burst_length;
burst_length = (len < 14) ? len : 14;
}
}
/* serial_write:
* writes a character to the serial port
* When serial_is_transmit_fifo_empty is true
*/
void serial_write(unsigned int com, char c){
while(serial_is_transmit_fifo_empty(com) == 0);
outb(com, c);
}