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106 lines
2.9 KiB
106 lines
2.9 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2022 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* Copypaste of SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#ifdef ARDUINO_ARCH_ESP32
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#include "../../inc/MarlinConfig.h"
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#if EITHER(MKS_MINI_12864, FYSETC_MINI_12864_2_1)
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#include <U8glib-HAL.h>
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#include "../shared/HAL_SPI.h"
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#include "HAL.h"
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#include "SPI.h"
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#if ENABLED(SDSUPPORT)
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#include "../../sd/cardreader.h"
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#if ENABLED(ESP3D_WIFISUPPORT)
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#include "sd_ESP32.h"
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#endif
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#endif
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static SPISettings spiConfig;
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#ifndef LCD_SPI_SPEED
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#ifdef SD_SPI_SPEED
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#define LCD_SPI_SPEED SD_SPI_SPEED // Assume SPI speed shared with SD
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#else
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#define LCD_SPI_SPEED SPI_FULL_SPEED // Use full speed if SD speed is not supplied
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#endif
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#endif
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uint8_t u8g_eps_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
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static uint8_t msgInitCount = 2; // Ignore all messages until 2nd U8G_COM_MSG_INIT
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#if ENABLED(PAUSE_LCD_FOR_BUSY_SD)
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if (card.flag.saving || card.flag.logging || TERN0(ESP3D_WIFISUPPORT, sd_busy_lock == true)) return 0;
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#endif
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if (msgInitCount) {
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if (msg == U8G_COM_MSG_INIT) msgInitCount--;
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if (msgInitCount) return -1;
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}
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switch (msg) {
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case U8G_COM_MSG_STOP: break;
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case U8G_COM_MSG_INIT:
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OUT_WRITE(DOGLCD_CS, HIGH);
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OUT_WRITE(DOGLCD_A0, HIGH);
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OUT_WRITE(LCD_RESET_PIN, HIGH);
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u8g_Delay(5);
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spiBegin();
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spiInit(LCD_SPI_SPEED);
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break;
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case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
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WRITE(DOGLCD_A0, arg_val ? HIGH : LOW);
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break;
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case U8G_COM_MSG_CHIP_SELECT: /* arg_val == 0 means HIGH level of U8G_PI_CS */
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WRITE(DOGLCD_CS, arg_val ? LOW : HIGH);
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break;
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case U8G_COM_MSG_RESET:
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WRITE(LCD_RESET_PIN, arg_val);
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break;
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case U8G_COM_MSG_WRITE_BYTE:
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spiSend((uint8_t)arg_val);
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break;
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case U8G_COM_MSG_WRITE_SEQ:
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uint8_t *ptr = (uint8_t*) arg_ptr;
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while (arg_val > 0) {
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spiSend(*ptr++);
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arg_val--;
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}
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break;
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}
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return 1;
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}
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#endif // EITHER(MKS_MINI_12864, FYSETC_MINI_12864_2_1)
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#endif // ARDUINO_ARCH_ESP32
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