cscg24-guacamole

CSCG 2024 Challenge 'Guacamole Mashup'
git clone https://git.sinitax.com/sinitax/cscg24-guacamole
Log | Files | Refs | sfeed.txt

lws-ssd1306-i2c.h (2480B)

      1/*
      2 * lws abstract display implementation for ssd1306 on i2c
      3 *
      4 * Copyright (C) 2019 - 2020 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_SSD1306_I2C_H__)
     26#define __LWS_DISPLAY_SSD1306_I2C_H__
     27
     28/*
     29 * D/C# pin on SSD1306 sets the I2C device ads
     30 * from these two options (7-bit address)
     31 */
     32
     33#define SSD1306_I2C7_ADS1		0x3c
     34#define SSD1306_I2C7_ADS2		0x3d
     35
     36typedef struct lws_display_ssd1306 {
     37
     38	lws_display_t		disp; /* use lws_display_ssd1306_ops to set ops */
     39	const lws_i2c_ops_t	*i2c;	      /* i2c ops */
     40
     41	const lws_gpio_ops_t	*gpio;	      /* NULL or gpio ops */
     42	_lws_plat_gpio_t	reset_gpio;   /* if gpio ops, nReset gpio # */
     43
     44	uint8_t			i2c7_address; /* one of SSD1306_I2C7_ADS... */
     45
     46} lws_display_ssd1306_t;
     47
     48int
     49lws_display_ssd1306_i2c_init(const struct lws_display *disp);
     50int
     51lws_display_ssd1306_i2c_contrast(const struct lws_display *disp, uint8_t b);
     52int
     53lws_display_ssd1306_i2c_blit(const struct lws_display *disp, const uint8_t *src,
     54                             lws_display_scalar x, lws_display_scalar y,
     55                             lws_display_scalar w, lws_display_scalar h);
     56int
     57lws_display_ssd1306_i2c_power(const struct lws_display *disp, int state);
     58
     59#define lws_display_ssd1306_ops \
     60	.init = lws_display_ssd1306_i2c_init, \
     61	.contrast = lws_display_ssd1306_i2c_contrast, \
     62	.blit = lws_display_ssd1306_i2c_blit, \
     63	.power = lws_display_ssd1306_i2c_power
     64#endif