59 lines
965 B
C
59 lines
965 B
C
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#include <math.h>
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#include <avr/pgmspace.h>
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#include "serial.h"
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void printString(const char *s)
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{
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while (*s)
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serial_write(*s++);
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}
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// Print a string stored in PGM-memory
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void printPgmString(const char *s)
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{
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char c;
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while ((c = pgm_read_byte_near(s++)))
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serial_write(c);
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}
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void printIntegerInBase(unsigned long n, unsigned long base)
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{
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unsigned char buf[8 * sizeof(long)]; // Assumes 8-bit chars.
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unsigned long i = 0;
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if (n == 0) {
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serial_write('0');
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return;
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}
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while (n > 0) {
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buf[i++] = n % base;
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n /= base;
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}
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for (; i > 0; i--)
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serial_write(buf[i - 1] < 10 ?
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'0' + buf[i - 1] :
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'A' + buf[i - 1] - 10);
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}
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void printInteger(long n)
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{
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if (n < 0) {
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serial_write('-');
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n = -n;
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}
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printIntegerInBase(n, 10);
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}
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void printFloat(double n)
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{
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double integer_part, fractional_part;
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fractional_part = modf(n, &integer_part);
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printInteger(integer_part);
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serial_write('.');
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printInteger(round(fractional_part*1000));
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}
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