blob: accce262db7f86cf7e2a3763624bf6724f9045b9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// This is free and unencumbered software released into the public domain.
//
// Anyone is free to copy, modify, publish, use, compile, sell, or
// distribute this software, either in source code form or as a compiled
// binary, for any purpose, commercial or non-commercial, and by any
// means.
#include "firmware.h"
#define OUTPORT 0x10000000
void print_chr(char ch)
{
*((volatile uint32_t*)OUTPORT) = ch;
}
void print_str(const char *p)
{
while (*p != 0)
*((volatile uint32_t*)OUTPORT) = *(p++);
}
void print_dec(unsigned int val)
{
char buffer[10];
char *p = buffer;
while (val || p == buffer) {
*(p++) = val % 10;
val = val / 10;
}
while (p != buffer) {
*((volatile uint32_t*)OUTPORT) = '0' + *(--p);
}
}
void print_hex(unsigned int val, int digits)
{
for (int i = (4*digits)-4; i >= 0; i -= 4)
*((volatile uint32_t*)OUTPORT) = "0123456789ABCDEF"[(val >> i) % 16];
}
|
