drashna/qmk_firmware
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switch debug on/off by pressing 4 keys on booting time

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This commit is contained in:
tmk 2010-10-24 03:27:43 +09:00
parent bf92bdd7fa
commit 4acc38751e
6 changed files with 61 additions and 14 deletions
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9
print.c
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@ -27,8 +27,12 @@
#include <avr/pgmspace.h>
#include "print.h"
bool print_enable = false;
void print_P(const char *s)
{
if (!print_enable) return;
char c;
while (1) {
@ -41,17 +45,20 @@ void print_P(const char *s)
void phex1(unsigned char c)
{
if (!print_enable) return;
usb_debug_putchar(c + ((c < 10) ? '0' : 'A' - 10));
}
void phex(unsigned char c)
{
if (!print_enable) return;
phex1(c >> 4);
phex1(c & 15);
}
void phex16(unsigned int i)
{
if (!print_enable) return;
phex(i >> 8);
phex(i);
}
@ -59,6 +66,7 @@ void phex16(unsigned int i)
void pbin(unsigned char c)
{
if (!print_enable) return;
for (int i = 7; i >= 0; i--) {
usb_debug_putchar((c & (1<<i)) ? '1' : '0');
}
@ -66,6 +74,7 @@ void pbin(unsigned char c)
void pbin_reverse(unsigned char c)
{
if (!print_enable) return;
for (int i = 0; i < 8; i++) {
usb_debug_putchar((c & (1<<i)) ? '1' : '0');
}