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allow printing unknown characters in lcd emulator

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This commit is contained in:
Jeff Wang 2019-04-05 00:47:21 -04:00
parent ee917a71e5
commit 66c611795e
1 changed files with 20 additions and 17 deletions
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37
src/lcd_emulator.c
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@ -92,26 +92,29 @@ short TERMIO_PutChar(unsigned char letter) {
} else {
to_row(0);
}
} else if (is_valid_character(letter)) {
if (letter == CGRAM_EXP){
lcd_buf[lcd_row][lcd_col] = 'E';
} else if (letter == CGRAM_EXP_NEG) {
lcd_buf[lcd_row][lcd_col] = '-';
} else {
lcd_buf[lcd_row][lcd_col] = letter;
}
lcd_col++;
if (lcd_col >= MAX_CHARS_PER_LINE) {
if (lcd_row == 0) {
to_row(1);
} else {
to_row(0);
}
}
} else {
}
//warn if unknown character
if (!is_valid_character(letter)) {
printf("\nerror @%d,%d, invalid character %d\n",
lcd_row, lcd_col, letter);
}
//add character to buf
if (letter == CGRAM_EXP){
lcd_buf[lcd_row][lcd_col] = 'E';
} else if (letter == CGRAM_EXP_NEG) {
lcd_buf[lcd_row][lcd_col] = '-';
} else {
lcd_buf[lcd_row][lcd_col] = letter;
}
lcd_col++;
//check if new line
if (lcd_col >= MAX_CHARS_PER_LINE) {
if (lcd_row == 0) {
to_row(1);
} else {
to_row(0);
}
}
return 1;
}