Firmware2/Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.h

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/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 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/>.
*
*/
// NOTE - the HAL version of the rrd device uses a generic ST7920 device. See the
// file u8g_dev_st7920_128x64_HAL.cpp for the HAL version.
#include "../../inc/MarlinConfig.h"
#if ENABLED(U8GLIB_ST7920) && !defined(U8G_HAL_LINKS) && !defined(__SAM3X8E__)
#include "../../HAL/shared/Delay.h"
#define ST7920_CLK_PIN LCD_PINS_D4
#define ST7920_DAT_PIN LCD_PINS_ENABLE
#define ST7920_CS_PIN LCD_PINS_RS
//#define PAGE_HEIGHT 8 //128 byte framebuffer
#define PAGE_HEIGHT 16 //256 byte framebuffer
//#define PAGE_HEIGHT 32 //512 byte framebuffer
#define LCD_PIXEL_WIDTH 128
#define LCD_PIXEL_HEIGHT 64
#include <U8glib.h>
// If you want you can define your own set of delays in Configuration.h
//#define ST7920_DELAY_1 DELAY_NS(0)
//#define ST7920_DELAY_2 DELAY_NS(0)
//#define ST7920_DELAY_3 DELAY_NS(0)
#if F_CPU >= 20000000
#define CPU_ST7920_DELAY_1 DELAY_NS(0)
#define CPU_ST7920_DELAY_2 DELAY_NS(0)
#define CPU_ST7920_DELAY_3 DELAY_NS(50)
#elif MB(3DRAG) || MB(K8200) || MB(K8400) || MB(SILVER_GATE)
#define CPU_ST7920_DELAY_1 DELAY_NS(0)
#define CPU_ST7920_DELAY_2 DELAY_NS(188)
#define CPU_ST7920_DELAY_3 DELAY_NS(0)
#elif MB(MINIRAMBO) || MB(EINSY_RAMBO) || MB(EINSY_RETRO)
#define CPU_ST7920_DELAY_1 DELAY_NS(0)
#define CPU_ST7920_DELAY_2 DELAY_NS(250)
#define CPU_ST7920_DELAY_3 DELAY_NS(0)
#elif MB(RAMBO)
#define CPU_ST7920_DELAY_1 DELAY_NS(0)
#define CPU_ST7920_DELAY_2 DELAY_NS(0)
#define CPU_ST7920_DELAY_3 DELAY_NS(0)
#elif MB(BQ_ZUM_MEGA_3D)
#define CPU_ST7920_DELAY_1 DELAY_NS(0)
#define CPU_ST7920_DELAY_2 DELAY_NS(0)
#define CPU_ST7920_DELAY_3 DELAY_NS(189)
#elif defined(ARDUINO_ARCH_STM32)
#define CPU_ST7920_DELAY_1 DELAY_NS(300)
#define CPU_ST7920_DELAY_2 DELAY_NS(40)
#define CPU_ST7920_DELAY_3 DELAY_NS(340)
#elif F_CPU == 16000000
#define CPU_ST7920_DELAY_1 DELAY_NS(0)
#define CPU_ST7920_DELAY_2 DELAY_NS(0)
#define CPU_ST7920_DELAY_3 DELAY_NS(63)
#else
#error "No valid condition for delays in 'ultralcd_st7920_u8glib_rrd_AVR.h'"
#endif
void ST7920_SWSPI_SND_8BIT(uint8_t val);
#if DOGM_SPI_DELAY_US > 0
#define U8G_DELAY() DELAY_US(DOGM_SPI_DELAY_US)
#else
#define U8G_DELAY() DELAY_US(10)
#endif
#define ST7920_CS() { WRITE(ST7920_CS_PIN,1); U8G_DELAY(); }
#define ST7920_NCS() { WRITE(ST7920_CS_PIN,0); }
#define ST7920_SET_CMD() { ST7920_SWSPI_SND_8BIT(0xF8); U8G_DELAY(); }
#define ST7920_SET_DAT() { ST7920_SWSPI_SND_8BIT(0xFA); U8G_DELAY(); }
#define ST7920_WRITE_BYTE(a) { ST7920_SWSPI_SND_8BIT((uint8_t)((a)&0xF0u)); ST7920_SWSPI_SND_8BIT((uint8_t)((a)<<4u)); U8G_DELAY(); }
#define ST7920_WRITE_BYTES(p,l) { for (uint8_t i = l + 1; --i;) { ST7920_SWSPI_SND_8BIT(*p&0xF0); ST7920_SWSPI_SND_8BIT(*p<<4); p++; } U8G_DELAY(); }
#endif // U8GLIB_ST7920 && !U8G_HAL_LINKS && !__SAM3X8E__