/** * @file ili9488_spi.c * @brief * * Copyright (c) 2021 Bouffalolab team * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * */ #include "../lcd.h" #if defined(LCD_SPI_ILI9488) #if (LCD_SPI_INTERFACE_TYPE == 1) #include "bl_spi_hard_4.h" #define lcd_spi_init lcd_spi_hard_4_init #define lcd_spi_isbusy lcd_spi_hard_4_is_busy #define lcd_spi_transmit_cmd_para lcd_spi_hard_4_transmit_cmd_para #define lcd_spi_transmit_cmd_pixel_sync lcd_spi_hard_4_transmit_cmd_pixel_sync #define lcd_spi_transmit_cmd_pixel_fill_sync lcd_spi_hard_4_transmit_cmd_pixel_fill_sync #define lcd_spi_sync_callback_enable lcd_spi_hard_4_async_callback_enable #define lcd_spi_async_callback_register lcd_spi_hard_4_async_callback_register #define lcd_spi_transmit_cmd_pixel_async lcd_spi_hard_4_transmit_cmd_pixel_async #define lcd_spi_transmit_cmd_pixel_fill_async lcd_spi_hard_4_transmit_cmd_pixel_fill_async static lcd_spi_hard_4_init_t spi_para = { .clock_freq = 40 * 1000 * 1000, #if (ILI9488_SPI_PIXEL_FORMAT == 1) .pixel_format = LCD_SPI_LCD_PIXEL_FORMAT_RGB565, #elif (ILI9488_SPI_PIXEL_FORMAT == 2) .pixel_format = LCD_SPI_LCD_PIXEL_FORMAT_NRGB8888, #endif }; #else #error "Configuration error" #endif const ili9488_spi_init_cmd_t ili9488_spi_init_cmds[] = { { 0x01, NULL, 0 }, /* software reset */ { 0xFF, NULL, 10 }, /* delay 10ms */ { 0x11, NULL, 0 }, /* Sleep Out */ { 0xFF, NULL, 120 }, /* delay 120ms */ { 0xE0, "\x00\x07\x0F\x0D\x1B\x0A\x3C\x78\x4A\x07\x0E\x09\x1B\x1E\x0F", 15 }, /* PGAMCTRL (Positive Gamma Control) */ { 0xE1, "\x00\x22\x24\x26\x12\x07\x36\x47\x47\x06\x0A\x07\x30\x37\x0F", 15 }, /* NGAMCTRL (Negative Gamma Control) */ { 0xC0, "\x10\x10", 2 }, /* Power Control 1 */ { 0xC1, "\x41", 1 }, /* Power Control 2 */ { 0xC5, "\x00\x2C\x80", 3 }, /* VCOM Control */ { 0x36, "\x08", 1 }, /* Memory Access Control */ { 0x3A, "\x55", 1 }, /* Interface Pixel Format RGB565 */ { 0xB0, "\x00", 1 }, /* Interface Mode Control */ { 0xB1, "\xB0", 1 }, /* Frame rate 70Hz */ { 0xB4, "\x02", 1 }, /* Display Inversion Control */ { 0xB6, "\x02\x22", 2 }, /* Display Function Control */ { 0xE9, "\x00", 1 }, /* Set Image Function */ { 0xF7, "\xA9\x51\x2C\x82", 4 }, /* Adjust Control 3 */ #if ILI9488_SPI_COLOR_REVERSAL { 0x21, NULL, 0 }, /* Color reversal */ #endif { 0x29, NULL, 0 }, /* Display On */ { 0xFF, NULL, 10 }, }; /** * @brief ili9488_spi_async_callback_enable * * @return */ void ili9488_spi_async_callback_enable(bool enable) { lcd_spi_sync_callback_enable(enable); } /** * @brief ili9488_spi_async_callback_register * * @return */ void ili9488_spi_async_callback_register(void (*callback)(void)) { lcd_spi_async_callback_register(callback); } /** * @brief ili9488_spi_draw_is_busy, After the call ili9488_spi_draw_picture_dma must check this, * if ili9488_spi_draw_is_busy() == 1, Don't allow other draw !! * can run in the DMA interrupt callback function. * * @return int 0:draw end; 1:Being draw */ int ili9488_spi_draw_is_busy(void) { return lcd_spi_isbusy(); } /** * @brief ili9488_spi_init * * @return int */ int ili9488_spi_init() { lcd_spi_init(&spi_para); for (uint16_t i = 0; i < (sizeof(ili9488_spi_init_cmds) / sizeof(ili9488_spi_init_cmds[0])); i++) { if (ili9488_spi_init_cmds[i].cmd == 0xFF && ili9488_spi_init_cmds[i].data == NULL && ili9488_spi_init_cmds[i].databytes) { bflb_mtimer_delay_ms(ili9488_spi_init_cmds[i].databytes); } else { lcd_spi_transmit_cmd_para(ili9488_spi_init_cmds[i].cmd, (void *)(ili9488_spi_init_cmds[i].data), ili9488_spi_init_cmds[i].databytes); } } return 0; } /** * @brief * * @param dir * @param mir_flag */ int ili9488_spi_set_dir(uint8_t dir, uint8_t mir_flag) { uint8_t param; switch (dir) { case 0: if (!mir_flag) param = 0x00; else param = 0x01; break; case 1: if (!mir_flag) param = 0x60; else param = 0x20; break; case 2: if (!mir_flag) param = 0xC0; else param = 0x80; break; case 3: if (!mir_flag) param = 0xA0; else param = 0xE0; break; default: return -1; break; } lcd_spi_transmit_cmd_para(0x36, (void *)¶m, 1); return dir; } /** * @brief ili9488_spi_set_draw_window * * @param x1 * @param y1 * @param x2 * @param y2 */ void ili9488_spi_set_draw_window(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2) { #if ILI9488_SPI_OFFSET_X x1 += ILI9488_SPI_OFFSET_X; x2 += ILI9488_SPI_OFFSET_X; #endif #if ILI9488_SPI_OFFSET_Y y1 += ILI9488_SPI_OFFSET_Y; y2 += ILI9488_SPI_OFFSET_Y; #endif int8_t param[4]; param[0] = (x1 >> 8) & 0xFF; param[1] = x1 & 0xFF; param[2] = (x2 >> 8) & 0xFF; param[3] = x2 & 0xFF; lcd_spi_transmit_cmd_para(0x2A, (void *)param, 4); param[0] = (y1 >> 8) & 0xFF; param[1] = y1 & 0xFF; param[2] = (y2 >> 8) & 0xFF; param[3] = y2 & 0xFF; lcd_spi_transmit_cmd_para(0x2B, (void *)param, 4); } /** * @brief ili9488_spi_draw_point * * @param x * @param y * @param color */ void ili9488_spi_draw_point(uint16_t x, uint16_t y, ili9488_spi_color_t color) { /* set window */ ili9488_spi_set_draw_window(x, y, x, y); lcd_spi_transmit_cmd_pixel_sync(0x2C, (void *)&color, 1); } /** * @brief ili9488_draw_area * * @param x1 * @param y1 * @param x2 * @param y2 * @param color */ void ili9488_spi_draw_area(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, ili9488_spi_color_t color) { uint32_t pixel_cnt = (x2 - x1 + 1) * (y2 - y1 + 1); /* set window */ ili9488_spi_set_draw_window(x1, y1, x2, y2); lcd_spi_transmit_cmd_pixel_fill_sync(0x2C, (uint32_t)color, pixel_cnt); } /** * @brief ili9488_draw_picture_dma, Non-blocking! Using DMA acceleration, Not waiting for the draw end * After the call, No other operations are allowed until (ili9488_draw_is_busy()==0) * * @param x1 * @param y1 * @param x2 * @param y2 * @param picture */ void ili9488_spi_draw_picture_nonblocking(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, ili9488_spi_color_t *picture) { size_t pixel_cnt = (x2 - x1 + 1) * (y2 - y1 + 1); /* set window */ ili9488_spi_set_draw_window(x1, y1, x2, y2); lcd_spi_transmit_cmd_pixel_async(0x2C, (void *)picture, pixel_cnt); } /** * @brief ili9488_draw_picture,Blocking,Using DMA acceleration,Waiting for the draw end * * @param x1 * @param y1 * @param x2 * @param y2 * @param picture */ void ili9488_spi_draw_picture_blocking(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, ili9488_spi_color_t *picture) { size_t pixel_cnt = (x2 - x1 + 1) * (y2 - y1 + 1); /* set window */ ili9488_spi_set_draw_window(x1, y1, x2, y2); lcd_spi_transmit_cmd_pixel_sync(0x2C, (void *)picture, pixel_cnt); } #endif