lws-uc8176-spi.h

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/*
 * lws abstract display implementation for epd-acep on spi
 *
 * Copyright (C) 2019 - 2022 Andy Green <andy@warmcat.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */
 
#if !defined(__LWS_DISPLAY_UC8176_SPI_H__)
#define __LWS_DISPLAY_UC8176_SPI_H__
 
typedef struct lws_display_uc8176_spi {
 
        lws_display_t           disp; /* use lws_display_uc8176_ops to set */
        const lws_spi_ops_t     *spi;         /* spi ops */
 
        lws_display_completion_t        cb;
 
        const lws_gpio_ops_t    *gpio;        /* NULL or gpio ops */
        _lws_plat_gpio_t        reset_gpio;   /* if gpio ops, nReset gpio # */
        _lws_plat_gpio_t        busy_gpio;   /* if gpio ops, busy gpio # */
 
        uint8_t                 spi_index; /* cs index starting from 0 */
 
} lws_display_uc8176_spi_t;
 
int
lws_display_uc8176_spi_init(lws_display_state_t *lds);
int
lws_display_uc8176_spi_blit(lws_display_state_t *lds, const uint8_t *src,
                             lws_box_t *box, lws_dll2_owner_t *ids);
int
lws_display_uc8176_spi_power(lws_display_state_t *lds, int state);
 
#define lws_display_uc8176_ops \
        .init = lws_display_uc8176_spi_init, \
        .blit = lws_display_uc8176_spi_blit, \
        .power = lws_display_uc8176_spi_power
#endif