todo upd

src/LCDDisplay.cpp

@@ -94,6 +94,7 @@ void LCDDisplay::setCursor(uint8_t row, uint8_t col) {
     this->write(cmdbuf, sizeof(cmdbuf));
 }
 
+/* reconsider so im not writing every time. prepend custom chars to the write buffer? */
 void LCDDisplay::setCustomChar(uint8_t index, std::array<uint8_t, 8> cchar) {
     uint8_t cmdbuf[] = {254, 78, index, 0, 0, 0, 0, 0, 0, 0, 0};
     std::memcpy(&cmdbuf[3], &cchar, sizeof(cchar));