48 lines
2.3 KiB
C
48 lines
2.3 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Lucian Copeland for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_ESP32S2_COMMON_HAL_DISPLAYIO_PARALLELBUS_H
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#define MICROPY_INCLUDED_ESP32S2_COMMON_HAL_DISPLAYIO_PARALLELBUS_H
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#include "common-hal/digitalio/DigitalInOut.h"
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typedef struct {
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mp_obj_base_t base;
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uint32_t *bus; // pointer where 8 bits of data are written to the display
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digitalio_digitalinout_obj_t command;
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digitalio_digitalinout_obj_t chip_select;
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digitalio_digitalinout_obj_t reset;
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digitalio_digitalinout_obj_t write;
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digitalio_digitalinout_obj_t read;
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uint8_t data0_pin; // pin number for the lowest number data pin. Must be 8-bit aligned
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bool data_write_same_register; // if data and write pins are in the sare
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uint32_t *write_set_register; // pointer to the write group for setting the write bit to latch the data on the LCD
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uint32_t *write_clear_register; // pointer to the write group for clearing the write bit to latch the data on the LCD
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uint32_t write_mask; // bit mask for the single bit for the write pin register
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} displayio_parallelbus_obj_t;
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#endif // MICROPY_INCLUDED_ESP32S2_COMMON_HAL_DISPLAYIO_PARALLELBUS_H
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