47 lines
984 B
C
47 lines
984 B
C
#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include "display.h"
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extern void (*_putchar)(int c);
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static char display_buf[11];
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void putchar_to_display(int c);
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void init_display_putchar(void)
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{
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memset(display_buf, '\0', 11);
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_putchar = putchar_to_display;
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}
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void putchar_to_display(int c)
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{
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if (c == '\n') {
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display_buf[4] = 1;
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return;
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}
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if (display_buf[4]) {
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memset(display_buf, '\0', 11);
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}
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else {
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display_buf[0] = display_buf[1];
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display_buf[1] = display_buf[2];
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display_buf[2] = display_buf[3];
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display_buf[3] = display_buf[5];
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display_buf[5] = display_buf[6];
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display_buf[6] = display_buf[7];
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display_buf[7] = display_buf[8];
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display_buf[8] = display_buf[9];
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}
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display_buf[9] = toupper(c);
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clear_display_all();
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display_chars(LCD_SEG_L1_3_0, display_buf, SEG_ON);
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display_chars(LCD_SEG_L2_5_0, display_buf + 4, SEG_ON);
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}
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