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Fix wrong character sent when potentially unused slot is replaced

This commit is contained in:
Alex Voinea 2023-09-30 20:07:38 +02:00
parent 7e88e49b4e
commit d53ba0eba2
1 changed files with 9 additions and 2 deletions
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11
Firmware/lcd.cpp
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@ -886,7 +886,6 @@ static void lcd_print_custom(uint8_t c) {
} else if (lcd_custom_characters[i] == 0x7F) { //found an empty slot. create a new custom character and send it
lcd_custom_characters[i] = c; // mark the custom character as used
slotToUse = i;
charToSend = i;
goto createChar;
} else if (!(lcd_custom_characters[i] & 0x80)) { // found potentially unused slot. Remember it in case it's needed
slotToUse = i;
@ -897,11 +896,19 @@ static void lcd_print_custom(uint8_t c) {
// If there exists any potentially unused slot, then use that one instead.
// Otherwise, use the alternate form of the character.
if (slotToUse < 0) {
#ifdef DEBUG_CUSTOM_CHARACTERS
printf_P(PSTR("used alternate for char %02x\n"), c);
#endif // DEBUG_CUSTOM_CHARACTERS
goto sendChar;
}
#ifdef DEBUG_CUSTOM_CHARACTERS
printf_P(PSTR("replaced char %02x at slot %u\n"), lcd_custom_characters[slotToUse], slotToUse);
#endif // DEBUG_CUSTOM_CHARACTERS
createChar:
lcd_createChar_P(slotToUse, &Font[c - 0x80]);
charToSend = slotToUse;
lcd_createChar_P(slotToUse, &Font[c - 0x80]);
#ifdef DEBUG_CUSTOM_CHARACTERS
printf_P(PSTR("created char %02x at slot %u\n"), c, slotToUse);
#endif // DEBUG_CUSTOM_CHARACTERS