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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
- #pragma once
-
- void usleep(uint64_t microsec);
- // The following are optional depending on the platform.
-
- // definitions of HAL specific com and device drivers.
- uint8_t u8g_com_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
- uint8_t u8g_com_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
-
- // connect U8g com generic com names to the desired driver
- #define U8G_COM_SW_SPI u8g_com_sw_spi_fn
- #define U8G_COM_ST7920_SW_SPI u8g_com_ST7920_sw_spi_fn
-
- // let these default for now
- #define U8G_COM_HW_SPI u8g_com_null_fn
- #define U8G_COM_ST7920_HW_SPI u8g_com_null_fn
- #define U8G_COM_SSD_I2C u8g_com_null_fn
- #define U8G_COM_PARALLEL u8g_com_null_fn
- #define U8G_COM_T6963 u8g_com_null_fn
- #define U8G_COM_FAST_PARALLEL u8g_com_null_fn
- #define U8G_COM_UC_I2C u8g_com_null_fn
-
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