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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 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/>.
- *
- */
-
- #include "../../inc/MarlinConfigPre.h"
-
- #if HAS_MARLINUI_U8GLIB
-
- #include "HAL_LCD_com_defines.h"
- #include <U8glib-HAL.h>
-
- #define WIDTH 128
- #define HEIGHT 64
- #define PAGE_HEIGHT 8
-
- // SSD1309 init sequence
- static const uint8_t u8g_dev_ssd1309_128x64_init_seq[] PROGMEM = {
- U8G_ESC_CS(0), // Disable chip
- U8G_ESC_ADR(0), // Instruction mode
- U8G_ESC_RST(1), // Do reset low pulse with (1*16)+2 milliseconds
- U8G_ESC_CS(1), // Enable chip
-
- 0xFD,0x12, // Command Lock
- 0xAE, // Set Display Off
- 0xD5,0xA0, // Set Display Clock Divide Ratio/Oscillator Frequency
- 0xA8,0x3F, // Set Multiplex Ratio
- 0x3D,0x00, // Set Display Offset
- 0x40, // Set Display Start Line
- 0xA1, // Set Segment Re-Map
- 0xC8, // Set COM Output Scan Direction
- 0xDA,0x12, // Set COM Pins Hardware Configuration
- 0x81,0xDF, // Set Current Control
- 0xD9,0x82, // Set Pre-Charge Period
- 0xDB,0x34, // Set VCOMH Deselect Level
- 0xA4, // Set Entire Display On/Off
- 0xA6, // Set Normal/Inverse Display
- U8G_ESC_VCC(1), // Power up VCC & Stabilized
- U8G_ESC_DLY(50),
- 0xAF, // Set Display On
- U8G_ESC_DLY(50),
- U8G_ESC_CS(0), // Disable chip
- U8G_ESC_END // End of sequence
- };
-
- // Select one init sequence here
- #define u8g_dev_ssd1309_128x64_init_seq u8g_dev_ssd1309_128x64_init_seq
-
- static const uint8_t u8g_dev_ssd1309_128x64_data_start[] PROGMEM = {
- U8G_ESC_ADR(0), // Instruction mode
- U8G_ESC_CS(1), // Enable chip
- 0x010, // Set upper 4 bit of the col adr to 0
- 0x000, // Set lower 4 bit of the col adr to 4
- U8G_ESC_END // End of sequence
- };
-
- static const uint8_t u8g_dev_ssd13xx_sleep_on[] PROGMEM = {
- U8G_ESC_ADR(0), // Instruction mode
- U8G_ESC_CS(1), // Enable chip
- 0x0AE, // Display off
- U8G_ESC_CS(0), // Disable chip
- U8G_ESC_END // End of sequence
- };
-
- static const uint8_t u8g_dev_ssd13xx_sleep_off[] PROGMEM = {
- U8G_ESC_ADR(0), // Instruction mode
- U8G_ESC_CS(1), // Enable chip
- 0x0AF, // Display on
- U8G_ESC_DLY(50), // Delay 50 ms
- U8G_ESC_CS(0), // Disable chip
- U8G_ESC_END // End of sequence
- };
-
- uint8_t u8g_dev_ssd1309_128x64_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
- switch (msg) {
- case U8G_DEV_MSG_INIT:
- u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_300NS);
- u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1309_128x64_init_seq);
- break;
- case U8G_DEV_MSG_STOP:
- break;
- case U8G_DEV_MSG_PAGE_NEXT: {
- u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
- u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1309_128x64_data_start);
- u8g_WriteByte(u8g, dev, 0x0B0 | pb->p.page); // Select current page (SSD1306)
- u8g_SetAddress(u8g, dev, 1); // Data mode
- if (u8g_pb_WriteBuffer(pb, u8g, dev) == 0) return 0;
- u8g_SetChipSelect(u8g, dev, 0);
- }
- break;
- case U8G_DEV_MSG_CONTRAST:
- u8g_SetChipSelect(u8g, dev, 1);
- u8g_SetAddress(u8g, dev, 0); // Instruction mode
- u8g_WriteByte(u8g, dev, 0x081);
- u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) ); // 11 Jul 2015: fixed contrast calculation
- u8g_SetChipSelect(u8g, dev, 0);
- return 1;
- case U8G_DEV_MSG_SLEEP_ON:
- u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd13xx_sleep_on);
- return 1;
- case U8G_DEV_MSG_SLEEP_OFF:
- u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd13xx_sleep_off);
- return 1;
- }
- return u8g_dev_pb8v1_base_fn(u8g, dev, msg, arg);
- }
-
- uint8_t u8g_dev_ssd1309_buf[WIDTH*2] U8G_NOCOMMON ;
- u8g_pb_t u8g_dev_ssd1309_pb = { {8, HEIGHT, 0, 0, 0}, WIDTH, u8g_dev_ssd1309_buf};
- u8g_dev_t u8g_dev_ssd1309_sw_spi = { u8g_dev_ssd1309_128x64_fn, &u8g_dev_ssd1309_pb, U8G_COM_HAL_SW_SPI_FN };
-
- #endif // HAS_MARLINUI_U8GLIB
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