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Marlin-Artillery-M600/Marlin/src/lcd/dogm/status_screen_lite_ST7920_spi.h
Marcio Teixeira 532bb3aaa1 Lightweight status screen for ST7920
- This status screen uses the ST7920 character generator to greatly
  reduce SPI traffic and MCU load when updating the status screen.

- Has been tested with the RepRapDiscount Full Graphics Smart Controller
  but should work with any LCD that uses an ST7920 or fully compatible
  controller.
2018-02-22 00:10:43 -06:00

39 lines
1 KiB
C

/**
* Lightweight Status Screen for the RepRapDiscount Full
* Graphics Smart Controller (ST7920-based 128x64 LCD)
*
* (c) 2017 Aleph Objects, Inc.
*
* The code in this page is free software: you can
* redistribute it and/or modify it under the terms of the GNU
* General Public License (GNU GPL) as published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version. The code is distributed WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
*
*/
#include "status_screen_lite_ST7920_class.h"
void ST7920_Lite_Status_Screen::cs() {
ST7920_CS();
current_bits.synced = false;
}
void ST7920_Lite_Status_Screen::ncs() {
ST7920_NCS();
current_bits.synced = false;
}
void ST7920_Lite_Status_Screen::sync_cmd() {
ST7920_SET_CMD();
}
void ST7920_Lite_Status_Screen::sync_dat() {
ST7920_SET_DAT();
}
void ST7920_Lite_Status_Screen::write_byte(const uint8_t data) {
ST7920_WRITE_BYTE(data);
}