40 lines
806 B
C
40 lines
806 B
C
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#ifndef __KERNEL_DEVICES_EARLYTERM_H__
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# define __KERNEL_DEVICES_EARLYTERM_H__
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#include <stddef.h>
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#include <stdint.h>
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#include <lib/display.h>
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// Wait for debug (dirty)
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// TODO: use earlyterm_read() to wait key event ?
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#define DBG_WAIT for(int i = 0 ; i < 3000000 ; i++)
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// Internal earlyterm device struc
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struct earlyterm
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{
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// Internal object used by the
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// drawing lib
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display_t display;
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// Cursor part, we use only the X
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// axis because we scroll the vram when
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// the line overflow or new line char
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// involved.
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struct {
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uint8_t x;
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uint8_t y;
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struct {
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uint8_t x;
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uint8_t y;
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} max;
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} cursor;
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};
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// Primitives
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extern int earlyterm_init(void);
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extern void earlyterm_clear(void);
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extern void earlyterm_write(const char *format, ...);
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#endif /*__KERNEL_DEVICES_EARLYTERM_H__*/
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