uart_print.c

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/*--------------------------------------------------------------------------*
* Formatted serial output functions
*---------------------------------------------------------------------------*
* 14-Apr-2014 ShaneG
*
* Provides some simple formatted output functions for serial communications.
*--------------------------------------------------------------------------*/
#include "../hardware.h"
#include "softuart.h"
#include "utility.h"

// Only if enabled
#ifdef UART_ENABLED

void uartPrint(const char *cszString) {
  while(*cszString) {
    uartSend(*cszString);
    cszString++;
    }
  }

void uartPrintP(const char *cszString) {
  uint8_t ch;
  while((ch = pgm_read_byte_near(cszString))!='\0') {
    uartSend(ch);
    cszString++;
    }
  }

void uartInt(uint16_t value) {
  bool emit = false;
  // Special case for 0
  if(value==0) {
    uartSend('0');
    return;
    }
  // Emit the value, skip leading zeros
  for(uint16_t divisor = 10000; divisor > 0; divisor = divisor / 10) {
    uint8_t digit = value / divisor;
    value = value % divisor;
    if((digit>0)||emit) {
      uartSend('0' + digit);
      emit = true;
      }
    }
  }

void uartHex(uint16_t value) {
  uartSend(hexChar(value >> 12));
  uartSend(hexChar(value >> 8));
  uartSend(hexChar(value >> 4));
  uartSend(hexChar(value));
  }

#endif /* UART_ENABLED */