libwebsockets
Lightweight C library for HTML5 websockets
lws-uc8176-spi.h
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1/*
2 * lws abstract display implementation for epd-acep on spi
3 *
4 * Copyright (C) 2019 - 2022 Andy Green <andy@warmcat.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25#if !defined(__LWS_DISPLAY_UC8176_SPI_H__)
26#define __LWS_DISPLAY_UC8176_SPI_H__
27
28typedef struct lws_display_uc8176_spi {
29
30 lws_display_t disp; /* use lws_display_uc8176_ops to set */
31 const lws_spi_ops_t *spi; /* spi ops */
32
34
35 const lws_gpio_ops_t *gpio; /* NULL or gpio ops */
36 _lws_plat_gpio_t reset_gpio; /* if gpio ops, nReset gpio # */
37 _lws_plat_gpio_t busy_gpio; /* if gpio ops, busy gpio # */
38
39 uint8_t spi_index; /* cs index starting from 0 */
40
41} lws_display_uc8176_spi_t;
42
43int
44lws_display_uc8176_spi_init(lws_display_state_t *lds);
45int
46lws_display_uc8176_spi_blit(lws_display_state_t *lds, const uint8_t *src,
47 lws_box_t *box, lws_dll2_owner_t *ids);
48int
49lws_display_uc8176_spi_power(lws_display_state_t *lds, int state);
50
51#define lws_display_uc8176_ops
52 .init = lws_display_uc8176_spi_init,
53 .blit = lws_display_uc8176_spi_blit,
54 .power = lws_display_uc8176_spi_power
55#endif
_lws_plat_gpio_t reset_gpio
const lws_spi_ops_t * spi
_lws_plat_gpio_t busy_gpio
int lws_display_uc8176_spi_init(lws_display_state_t *lds)
const lws_gpio_ops_t * gpio
int lws_display_uc8176_spi_power(lws_display_state_t *lds, int state)
int lws_display_uc8176_spi_blit(lws_display_state_t *lds, const uint8_t *src, lws_box_t *box, lws_dll2_owner_t *ids)
lws_display_completion_t cb