optimize sending custom chars, one write operation now

2026-06-14 11:55:14 +02:00
parent 8bea9be551
commit 804e477d50
2 changed files with 11 additions and 4 deletions
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -10,7 +10,8 @@
 struct lcd_t {
 	int fd;
 	uint32_t baud;
-	char writebuf[LCD_LINES * LCD_COLS + 8];
+	char ccharbuf[8][11];                    // 8 custom chars, each 11 bytes (3 byte command + 8 byte glyph)
+	char writebuf[LCD_LINES * LCD_COLS + 8]; // number of chars on the lcd + 2*4 byte set cursor commands
 	char port[96];
 };