1 /* 2 * lws abstract display implementation for ili9341 on spi 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_ILI9341_SPI_H__) 26 #define __LWS_DISPLAY_ILI9341_SPI_H__ 27 28 29 typedef struct lws_display_ili9341 { 30 31 lws_display_t disp; /* use lws_display_ili9341_ops to set */ 32 const lws_spi_ops_t *spi; /* spi ops */ 33 34 const lws_gpio_ops_t *gpio; /* NULL or gpio ops */ 35 _lws_plat_gpio_t reset_gpio; /* if gpio ops, nReset gpio # */ 36 37 uint8_t spi_index; /* cs index starting from 0 */ 38 39 } lws_display_ili9341_t; 40 41 int 42 lws_display_ili9341_spi_init(const struct lws_display *disp); 43 int 44 lws_display_ili9341_spi_blit(const struct lws_display *disp, const uint8_t *src, 45 lws_display_scalar x, lws_display_scalar y, 46 lws_display_scalar w, lws_display_scalar h); 47 int 48 lws_display_ili9341_spi_power(const struct lws_display *disp, int state); 49 50 #define lws_display_ili9341_ops \ 51 .init = lws_display_ili9341_spi_init, \ 52 .blit = lws_display_ili9341_spi_blit, \ 53 .power = lws_display_ili9341_spi_power 54 #endif 55