mirror of
https://github.com/MarlinFirmware/Marlin.git
synced 2024-11-24 20:43:32 +00:00
1c95c13224
- 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.
40 lines
1.0 KiB
C
40 lines
1.0 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);
|
|
}
|