113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2019 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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* 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 <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* Based on u8g_com_st7920_hw_spi.c
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*
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* Universal 8bit Graphics Library
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*
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* Copyright (c) 2011, olikraus@gmail.com
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef ARDUINO_ARCH_SAM
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#include "../../inc/MarlinConfigPre.h"
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#if HAS_GRAPHICAL_LCD
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#include "../shared/Delay.h"
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#include <U8glib.h>
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#include "u8g_com_HAL_DUE_sw_spi_shared.h"
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void u8g_SetPIOutput_DUE(u8g_t *u8g, uint8_t pin_index) {
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PIO_Configure(g_APinDescription[u8g->pin_list[pin_index]].pPort, PIO_OUTPUT_1,
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g_APinDescription[u8g->pin_list[pin_index]].ulPin, g_APinDescription[u8g->pin_list[pin_index]].ulPinConfiguration); // OUTPUT
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}
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void u8g_SetPILevel_DUE(u8g_t *u8g, uint8_t pin_index, uint8_t level) {
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volatile Pio* port = g_APinDescription[u8g->pin_list[pin_index]].pPort;
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uint32_t mask = g_APinDescription[u8g->pin_list[pin_index]].ulPin;
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if (level) port->PIO_SODR = mask; else port->PIO_CODR = mask;
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}
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Pio *SCK_pPio, *MOSI_pPio;
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uint32_t SCK_dwMask, MOSI_dwMask;
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void u8g_spiSend_sw_DUE_mode_0(uint8_t val) { // 3MHz
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for (uint8_t i = 0; i < 8; i++) {
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if (val & 0x80)
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MOSI_pPio->PIO_SODR = MOSI_dwMask;
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else
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MOSI_pPio->PIO_CODR = MOSI_dwMask;
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DELAY_NS(48);
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SCK_pPio->PIO_SODR = SCK_dwMask;
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DELAY_NS(125);
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val <<= 1;
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SCK_pPio->PIO_CODR = SCK_dwMask;
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}
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}
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void u8g_spiSend_sw_DUE_mode_3(uint8_t val) { // 3.5MHz
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for (uint8_t i = 0; i < 8; i++) {
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SCK_pPio->PIO_CODR = SCK_dwMask;
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DELAY_NS(50);
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if (val & 0x80)
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MOSI_pPio->PIO_SODR = MOSI_dwMask;
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else
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MOSI_pPio->PIO_CODR = MOSI_dwMask;
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val <<= 1;
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DELAY_NS(10);
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SCK_pPio->PIO_SODR = SCK_dwMask;
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DELAY_NS(70);
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}
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}
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#endif // HAS_GRAPHICAL_LCD
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#endif // ARDUINO_ARCH_SAM
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