#include <stdio.h>
#include "usart.h"
extern "C" FILE mystdout;

Usart::Usart(const uint32_t _baud) noexcept : BaseLayer (), tx_ring () {
  stdout = &mystdout;  
}
void Usart::irq () {
}
void Usart::SetRS485  (const bool polarity) const {
}
void Usart::SetHalfDuplex  (const bool on) const {
}

uint32_t Usart::Down  (const char * data, const uint32_t len) {
  //int n = fwrite (data, 1, len, stdout);
  for (unsigned n=0; n<len; n++) putchar(data[n]);
  return len;
}
extern "C" {
  void __cxa_pure_virtual() { while (1); }
};