Files
jsix_import/src/kernel/console.cpp
Justin C. Miller dccb136c99 [fb] Change to embedding PSF file
Moved old PSF parsing code from kernel, and switched to embedding whole
PSF instead of just glyph data to make font class the same code paths
for both cases.
2021-01-18 13:48:11 -08:00

87 lines
1.5 KiB
C++

#include "kutil/coord.h"
#include "kutil/guid.h"
#include "kutil/memory.h"
#include "kutil/no_construct.h"
#include "kutil/printf.h"
#include "console.h"
#include "serial.h"
const char digits[] = "0123456789abcdef";
static kutil::no_construct<console> __g_console_storage;
console &g_console = __g_console_storage.value;
console::console() :
m_serial(nullptr)
{
}
console::console(serial_port *serial) :
m_serial(serial)
{
if (m_serial) {
const char *fgseq = "\x1b[2J";
while (*fgseq)
m_serial->write(*fgseq++);
}
}
void
console::echo()
{
putc(m_serial->read());
}
void
console::set_color(uint8_t fg, uint8_t bg)
{
if (m_serial) {
const char *fgseq = "\x1b[38;5;";
while (*fgseq)
m_serial->write(*fgseq++);
if (fg >= 100) m_serial->write('0' + (fg/100));
if (fg >= 10) m_serial->write('0' + (fg/10) % 10);
m_serial->write('0' + fg % 10);
m_serial->write('m');
const char *bgseq = "\x1b[48;5;";
while (*bgseq)
m_serial->write(*bgseq++);
if (bg >= 100) m_serial->write('0' + (bg/100));
if (bg >= 10) m_serial->write('0' + (bg/10) % 10);
m_serial->write('0' + bg % 10);
m_serial->write('m');
}
}
size_t
console::puts(const char *message)
{
size_t n = 0;
while (message && *message) {
n++;
putc(*message++);
}
return n;
}
void
console::putc(char c)
{
if (m_serial) {
if (c == '\n') m_serial->write('\r');
m_serial->write(c);
}
}
void console::vprintf(const char *fmt, va_list args)
{
static const unsigned buf_size = 256;
char buffer[buf_size];
vsnprintf_(buffer, buf_size, fmt, args);
puts(buffer);
}