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Fixing putc and puts to use pointers correctly

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This commit is contained in:
Jarkko Toivanen 2023-09-24 20:46:39 +03:00
parent f0243cb45e
commit 2c6826e293
Signed by: jt
GPG key ID: 9151B109B73ECAD5
2 changed files with 17 additions and 11 deletions
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18
src/framebuffer.c
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@ -1,6 +1,7 @@
#include "framebuffer.h" #include "framebuffer.h"
#include "font8x8_basic.h" #include "font8x8_basic.h"
#include "serial.h" #include "serial.h"
#include "xtoa.h"
static unsigned long fb_address; static unsigned long fb_address;
static unsigned long fb_pitch; static unsigned long fb_pitch;
@ -48,8 +49,8 @@ void putpixel(
} }
} }
static void putc( void putc(
const unsigned char character, const unsigned char *character,
unsigned short x, unsigned short x,
unsigned short y, unsigned short y,
unsigned char r, unsigned char r,
@ -57,16 +58,13 @@ static void putc(
unsigned char b unsigned char b
){ ){
// Limit to ASCII printable // Limit to ASCII printable
if (character < 0x20) { if (*character < 0x20 || *character > 0x7e) {
serial_write_string("\nASCII too low"); serial_write_string("\nputc ASCII out of range: ");
return; serial_write_string(uitoa(*character, 16));
}
if (character > 0x7e) {
serial_write_string("\nASCII too hihg");
return; return;
} }
unsigned char *rowdata = font8x8_basic[character]; unsigned char *rowdata = font8x8_basic[*character];
unsigned char charx, chary, iy, ix; unsigned char charx, chary, iy, ix;
unsigned char sizex=1; unsigned char sizex=1;
unsigned char sizey=1; unsigned char sizey=1;
@ -94,7 +92,7 @@ void puts(
){ ){
unsigned char i = 0; unsigned char i = 0;
while (text[i]) { while (text[i]) {
putc(text[i], x+i*8, y, r, g, b); putc(text+i, x+i*8, y, r, g, b);
i++; i++;
} }
} }

8
src/framebuffer.h
View file

@ -18,6 +18,14 @@ void putpixel(
unsigned char g, unsigned char g,
unsigned char b unsigned char b
); );
void putc(
const unsigned char *character,
unsigned short x,
unsigned short y,
unsigned char r,
unsigned char g,
unsigned char b
);
void puts( void puts(
const unsigned char *text, const unsigned char *text,
unsigned short x, unsigned short x,