marlin/Marlin/src/HAL/HAL_LPC1768/u8g/HAL_LCD_defines.h

/**
 * Marlin 3D Printer Firmware
 * Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
 *
 */

/**
 * LPC1768 LCD-specific defines
 */

// The following are optional depending on the platform.

// definitions of HAL specific com and device drivers.
uint8_t u8g_com_HAL_LPC1768_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
uint8_t u8g_com_HAL_LPC1768_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
uint8_t u8g_com_HAL_LPC1768_ST7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
uint8_t u8g_com_HAL_LPC1768_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
uint8_t u8g_com_HAL_LPC1768_ssd_hw_i2c_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_HW_SPI u8g_com_HAL_LPC1768_hw_spi_fn  // use LPC1768 specific hardware SPI routine
#define U8G_COM_SW_SPI u8g_com_HAL_LPC1768_sw_spi_fn  // use LPC1768 specific software SPI routine
#define U8G_COM_ST7920_HW_SPI u8g_com_HAL_LPC1768_ST7920_hw_spi_fn
#define U8G_COM_ST7920_SW_SPI u8g_com_HAL_LPC1768_ST7920_sw_spi_fn
#define U8G_COM_SSD_I2C u8g_com_HAL_LPC1768_ssd_hw_i2c_fn

// let these default for now
#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