1168 lines
29 KiB
C
1168 lines
29 KiB
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-08-10 zylx first version
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* 2022-02-01 Rudy Lo add lcd_fill_array function
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*/
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#include <board.h>
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#ifdef BSP_USING_SPI_LCD_ILI9488
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#include <rtdevice.h>
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#include "drv_spi.h"
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#include "drv_spi_ili9488.h"
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#include <lcd_spi_port.h>
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#include "drv_lcd_font.h"
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#include <rttlogo.h>
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#include <string.h>
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#if defined(PKG_USING_GUIENGINE)
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#include <rtgui/driver.h>
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#endif
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#define DRV_DEBUG
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#define LOG_TAG "drv.spi_lcd"
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#include <drv_log.h>
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#define LCD_DC_PIN GET_PIN(C, 7)
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#define LCD_DEVICE(dev) (struct drv_lcd_device*)(dev)
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#define LCD_CLEAR_SEND_NUMBER (LCD_H * LCD_W *3)
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static rt_uint32_t BACK_COLOR = WHITE, FORE_COLOR = BLACK;
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static struct rt_spi_device *spi_dev_lcd;
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static int rt_hw_lcd_config(void)
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{
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spi_dev_lcd = (struct rt_spi_device *)rt_device_find("spi20");
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/* config spi */
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{
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struct rt_spi_configuration cfg;
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cfg.data_width = 8;
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cfg.mode = RT_SPI_MASTER | RT_SPI_MODE_0 | RT_SPI_MSB;
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cfg.max_hz = 50 * 1000 * 1000;
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rt_spi_configure(spi_dev_lcd, &cfg);
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}
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return RT_EOK;
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}
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static rt_err_t lcd_write_cmd(const rt_uint8_t cmd)
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{
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rt_size_t len;
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rt_pin_write(LCD_DC_PIN, PIN_LOW);
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len = rt_spi_send(spi_dev_lcd, &cmd, 1);
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if (len != 1)
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{
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LOG_I("lcd_write_cmd error. %d", len);
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return -RT_ERROR;
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}
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else
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{
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return RT_EOK;
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}
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}
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static rt_err_t lcd_write_data(const rt_uint8_t data)
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{
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rt_size_t len;
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rt_pin_write(LCD_DC_PIN, PIN_HIGH);
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len = rt_spi_send(spi_dev_lcd, &data, 1);
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if (len != 1)
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{
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LOG_I("lcd_write_data error. %d", len);
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return -RT_ERROR;
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}
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else
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{
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return RT_EOK;
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}
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}
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static rt_err_t lcd_write_half_word(const rt_uint16_t da)
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{
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rt_size_t len;
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char data[2] = {0};
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data[0] = da >> 8;
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data[1] = da;
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rt_pin_write(LCD_DC_PIN, PIN_HIGH);
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len = rt_spi_send(spi_dev_lcd, data, 2);
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if (len != 2)
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{
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LOG_I("lcd_write_half_word error. %d", len);
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return -RT_ERROR;
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}
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else
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{
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return RT_EOK;
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}
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}
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static rt_err_t lcd_write_three_bytes(const rt_uint32_t da)
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{
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rt_size_t len;
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char data[3] = {0};
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data[0] = da >> 16;
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data[1] = da >> 8;
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data[2] = da;
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rt_pin_write(LCD_DC_PIN, PIN_HIGH);
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len = rt_spi_send(spi_dev_lcd, data, 3);
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if (len != 3)
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{
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LOG_I("lcd_write_half_word error. %d", len);
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return -RT_ERROR;
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}
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else
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{
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return RT_EOK;
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}
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}
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static void lcd_gpio_init(void)
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{
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rt_hw_lcd_config();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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rt_pin_mode(LCD_DC_PIN, PIN_MODE_OUTPUT);
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rt_pin_mode(LCD_BL_PIN, PIN_MODE_OUTPUT);
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rt_pin_mode(LCD_RES_PIN, PIN_MODE_OUTPUT);
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rt_pin_write(LCD_BL_PIN, PIN_LOW);
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}
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int rt_hw_spi_lcd_init(void)
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{
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__HAL_RCC_GPIOI_CLK_ENABLE();
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rt_hw_spi_device_attach("spi2", "spi20", GPIOI, GPIO_PIN_0);
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lcd_gpio_init();
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rt_pin_write(LCD_RES_PIN, PIN_HIGH);
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rt_thread_mdelay(10);
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rt_pin_write(LCD_RES_PIN, PIN_LOW);
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rt_thread_mdelay(50);
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rt_pin_write(LCD_RES_PIN, PIN_HIGH);
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rt_thread_mdelay(200);
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//************* Start Initial Sequence **********//
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lcd_write_cmd(0xE0);
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lcd_write_data(0x00);
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lcd_write_data(0x07);
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lcd_write_data(0x0f);
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lcd_write_data(0x0D);
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lcd_write_data(0x1B);
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lcd_write_data(0x0A);
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lcd_write_data(0x3c);
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lcd_write_data(0x78);
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lcd_write_data(0x4A);
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lcd_write_data(0x07);
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lcd_write_data(0x0E);
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lcd_write_data(0x09);
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lcd_write_data(0x1B);
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lcd_write_data(0x1e);
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lcd_write_data(0x0f);
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lcd_write_cmd(0xE1);
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lcd_write_data(0x00);
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lcd_write_data(0x22);
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lcd_write_data(0x24);
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lcd_write_data(0x06);
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lcd_write_data(0x12);
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lcd_write_data(0x07);
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lcd_write_data(0x36);
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lcd_write_data(0x47);
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lcd_write_data(0x47);
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lcd_write_data(0x06);
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lcd_write_data(0x0a);
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lcd_write_data(0x07);
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lcd_write_data(0x30);
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lcd_write_data(0x37);
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lcd_write_data(0x0f);
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lcd_write_cmd(0xC0);
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lcd_write_data(0x10);
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lcd_write_data(0x10);
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lcd_write_cmd(0xC1);
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lcd_write_data(0x41);
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lcd_write_cmd(0xC5);
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lcd_write_data(0x00);
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lcd_write_data(0x22);
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lcd_write_data(0x80);
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lcd_write_cmd(0x36);
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#ifndef LCD_HOR_SCREEN
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lcd_write_data(0x48);
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#else
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lcd_write_data(0x28);
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#endif
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lcd_write_cmd(0x3A); //Interface Mode Control
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lcd_write_data(0x66);
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lcd_write_cmd(0XB0); //Interface Mode Control
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lcd_write_data(0x00);
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lcd_write_cmd(0xB1); //Frame rate 70HZ
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lcd_write_data(0xB0);
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lcd_write_data(0x11);
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lcd_write_cmd(0xB4);
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lcd_write_data(0x02);
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lcd_write_cmd(0xB6); //RGB/MCU Interface Control
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lcd_write_data(0x02);
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lcd_write_data(0x02);
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lcd_write_cmd(0xB7);
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lcd_write_data(0xC6);
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lcd_write_cmd(0xE9);
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lcd_write_data(0x00);
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lcd_write_cmd(0XF7);
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lcd_write_data(0xA9);
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lcd_write_data(0x51);
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lcd_write_data(0x2C);
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lcd_write_data(0x82);
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lcd_fill(0, 0, LCD_WIDTH, LCD_HEIGHT, LCD_FULL_COLOR);
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lcd_write_cmd(0x11);
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rt_thread_mdelay(120);
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lcd_write_cmd(0x29);
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rt_thread_mdelay(50); //delay screen update to prevent screen appears white when the default color is black
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return RT_EOK;
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}
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/**
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* Set background color and foreground color
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*
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* @param back background color
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* @param fore fore color
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*
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* @return void
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*/
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void lcd_set_color(rt_uint32_t back, rt_uint32_t fore)
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{
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BACK_COLOR = back;
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FORE_COLOR = fore;
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}
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void lcd_display_on(void)
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{
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rt_pin_write(LCD_BL_PIN, PIN_HIGH);
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}
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void lcd_display_off(void)
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{
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rt_pin_write(LCD_BL_PIN, PIN_LOW);
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}
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/* lcd enter the minimum power consumption mode and backlight off. */
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void lcd_enter_sleep(void)
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{
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lcd_display_off();
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rt_thread_mdelay(5);
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lcd_write_cmd(0x28);
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rt_thread_mdelay(10);
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lcd_write_cmd(0x10);
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rt_thread_mdelay(120);
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}
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/* lcd turn off sleep mode and backlight on. */
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void lcd_exit_sleep(void)
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{
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lcd_display_on();
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rt_thread_mdelay(5);
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lcd_write_cmd(0x11);
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rt_thread_mdelay(120);
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lcd_write_cmd(0x29);
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}
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/**
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* Set drawing area
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*
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* @param x1 start of x position
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* @param y1 start of y position
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* @param x2 end of x position
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* @param y2 end of y position
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*
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* @return void
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*/
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void lcd_address_set(rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y2)
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{
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lcd_write_cmd(0x2a);
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lcd_write_data(x1 >> 8);
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lcd_write_data(x1);
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lcd_write_data(x2 >> 8);
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lcd_write_data(x2);
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lcd_write_cmd(0x2b);
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lcd_write_data(y1 >> 8);
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lcd_write_data(y1);
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lcd_write_data(y2 >> 8);
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lcd_write_data(y2);
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lcd_write_cmd(0x2C);
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}
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/**
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* clear the lcd.
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*
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* @param color Fill color
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*
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* @return void
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*/
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void lcd_clear(rt_uint32_t color)
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{
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rt_uint32_t i, j;
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rt_uint8_t data[3] = {0};
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rt_uint8_t *buf = RT_NULL;
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data[0] = color >> 16;
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data[1] = color >> 8;
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data[2] = color;
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lcd_address_set(0, 0, LCD_WIDTH - 1, LCD_HEIGHT - 1);
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buf = rt_malloc(LCD_BUF_SIZE);
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if (buf)
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{
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/* color is 16 bit */
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for (j = 0; j < LCD_BUF_SIZE / 3; j++)
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{
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buf[j * 3] = data[0];
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buf[j * 3 + 1] = data[1];
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buf[j * 3 + 2] = data[2];
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}
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rt_pin_write(LCD_DC_PIN, PIN_HIGH);
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rt_spi_send(spi_dev_lcd, buf, LCD_BUF_SIZE);
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rt_free(buf);
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}
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else
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{
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rt_pin_write(LCD_DC_PIN, PIN_HIGH);
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for (i = 0; i < LCD_WIDTH; i++)
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{
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for (j = 0; j < LCD_HEIGHT; j++)
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{
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rt_spi_send(spi_dev_lcd, data, 3);
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}
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}
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}
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}
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/**
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* display a point on the lcd using the given colour.
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*
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* @param x x position
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* @param y y position
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* @param color color of point
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*
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* @return void
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*/
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void lcd_draw_point_color(rt_uint16_t x, rt_uint16_t y, rt_uint32_t color)
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{
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lcd_address_set(x, y, x, y);
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lcd_write_three_bytes(color);
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}
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/**
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* display a point on the lcd.
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*
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* @param x x position
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* @param y y position
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*
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* @return void
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*/
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void lcd_draw_point(rt_uint16_t x, rt_uint16_t y)
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{
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lcd_draw_point_color(x, y, FORE_COLOR);
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}
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/**
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* full color on the lcd.
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*
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* @param x_start start of x position
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* @param y_start start of y position
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* @param x_end end of x position
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* @param y_end end of y position
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* @param color Fill color
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*
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* @return void
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*/
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void lcd_fill(rt_uint16_t x_start, rt_uint16_t y_start, rt_uint16_t x_end, rt_uint16_t y_end, rt_uint32_t color)
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{
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rt_uint32_t i = 0, j = 0;
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rt_uint32_t size = 0, size_remain = 0;
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rt_uint8_t *fill_buf = RT_NULL;
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size = (x_end - x_start) * (y_end - y_start) * 3;
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if (size > LCD_CLEAR_SEND_NUMBER)
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{
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/* the number of remaining to be filled */
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size_remain = size - LCD_CLEAR_SEND_NUMBER;
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size = LCD_CLEAR_SEND_NUMBER;
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}
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lcd_address_set(x_start, y_start, x_end, y_end);
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fill_buf = (rt_uint8_t *)rt_malloc(LCD_CLEAR_SEND_NUMBER);
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if (fill_buf)
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{
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/* fast fill */
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while (1)
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{
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for (i = 0; i < size / 3; i++)
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{
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fill_buf[3 * i] = color >> 16;
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fill_buf[3 * i + 1] = color >> 8;
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fill_buf[3 * i + 2] = color;
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}
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rt_pin_write(LCD_DC_PIN, PIN_HIGH);
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rt_spi_send(spi_dev_lcd, fill_buf, size);
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/* Fill completed */
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if (size_remain == 0)
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break;
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/* calculate the number of fill next time */
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if (size_remain > LCD_CLEAR_SEND_NUMBER)
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{
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size_remain = size_remain - LCD_CLEAR_SEND_NUMBER;
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}
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else
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{
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size = size_remain;
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size_remain = 0;
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}
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}
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rt_free(fill_buf);
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}
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else
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{
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for (i = y_start; i <= y_end; i++)
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{
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for (j = x_start; j <= x_end; j++)lcd_write_three_bytes(color);
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}
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}
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}
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/**
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* full color array on the lcd.
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*
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* @param x_start start of x position
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* @param y_start start of y position
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* @param x_end end of x position
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* @param y_end end of y position
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* @param pcolor Fill color array's pointer
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*
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* @return void
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*/
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void lcd_fill_array(rt_uint16_t x_start, rt_uint16_t y_start, rt_uint16_t x_end, rt_uint16_t y_end, void *pcolor)
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{
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rt_uint32_t size = 0;
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rt_uint8_t *array = RT_NULL;
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size = (x_end - x_start + 1) * (y_end - y_start + 1) * 3 /* 24bit */;
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array = (rt_uint8_t *)rt_malloc(size);
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if (!array) {
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LOG_E("not enough memory");
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return ;
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}
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rt_uint32_t *color_p = (rt_uint32_t *)pcolor;
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for (rt_uint16_t i = 0; i < size / 3; i++)
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{
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array[3 * i] = *color_p >> 16;
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array[3 * i + 1] = *color_p >> 8;
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array[3 * i + 2] = *color_p;
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color_p++;
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}
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lcd_address_set(x_start, y_start, x_end, y_end);
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rt_pin_write(LCD_DC_PIN, PIN_HIGH);
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rt_spi_send(spi_dev_lcd, array, size);
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rt_free(array);
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}
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/**
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* display a line on the lcd.
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*
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* @param x1 x1 position
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* @param y1 y1 position
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* @param x2 x2 position
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* @param y2 y2 position
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*
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* @return void
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*/
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void lcd_draw_line(rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y2)
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{
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rt_uint16_t t;
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rt_uint32_t i = 0;
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int xerr = 0, yerr = 0, delta_x, delta_y, distance;
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int incx, incy, row, col;
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if (y1 == y2)
|
|
{
|
|
/* fast draw transverse line */
|
|
lcd_address_set(x1, y1, x2, y2);
|
|
|
|
rt_uint8_t line_buf[960] = {0};
|
|
|
|
for (i = 0; i < x2 - x1; i++)
|
|
{
|
|
line_buf[3 * i] = FORE_COLOR >> 16;
|
|
line_buf[3 * i + 1] = FORE_COLOR >> 8;
|
|
line_buf[3 * i + 2] = FORE_COLOR;
|
|
}
|
|
|
|
rt_pin_write(LCD_DC_PIN, PIN_HIGH);
|
|
rt_spi_send(spi_dev_lcd, line_buf, (x2 - x1) * 3);
|
|
|
|
return ;
|
|
}
|
|
|
|
delta_x = x2 - x1;
|
|
delta_y = y2 - y1;
|
|
row = x1;
|
|
col = y1;
|
|
if (delta_x > 0)incx = 1;
|
|
else if (delta_x == 0)incx = 0;
|
|
else
|
|
{
|
|
incx = -1;
|
|
delta_x = -delta_x;
|
|
}
|
|
if (delta_y > 0)incy = 1;
|
|
else if (delta_y == 0)incy = 0;
|
|
else
|
|
{
|
|
incy = -1;
|
|
delta_y = -delta_y;
|
|
}
|
|
if (delta_x > delta_y)distance = delta_x;
|
|
else distance = delta_y;
|
|
for (t = 0; t <= distance + 1; t++)
|
|
{
|
|
lcd_draw_point(row, col);
|
|
xerr += delta_x ;
|
|
yerr += delta_y ;
|
|
if (xerr > distance)
|
|
{
|
|
xerr -= distance;
|
|
row += incx;
|
|
}
|
|
if (yerr > distance)
|
|
{
|
|
yerr -= distance;
|
|
col += incy;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* display a rectangle on the lcd.
|
|
*
|
|
* @param x1 x1 position
|
|
* @param y1 y1 position
|
|
* @param x2 x2 position
|
|
* @param y2 y2 position
|
|
*
|
|
* @return void
|
|
*/
|
|
void lcd_draw_rectangle(rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y2)
|
|
{
|
|
lcd_draw_line(x1, y1, x2, y1);
|
|
lcd_draw_line(x1, y1, x1, y2);
|
|
lcd_draw_line(x1, y2, x2, y2);
|
|
lcd_draw_line(x2, y1, x2, y2);
|
|
}
|
|
|
|
/**
|
|
* display a circle on the lcd.
|
|
*
|
|
* @param x x position of Center
|
|
* @param y y position of Center
|
|
* @param r radius
|
|
*
|
|
* @return void
|
|
*/
|
|
void lcd_draw_circle(rt_uint16_t x0, rt_uint16_t y0, rt_uint8_t r)
|
|
{
|
|
int a, b;
|
|
int di;
|
|
a = 0;
|
|
b = r;
|
|
di = 3 - (r << 1);
|
|
while (a <= b)
|
|
{
|
|
lcd_draw_point(x0 - b, y0 - a);
|
|
lcd_draw_point(x0 + b, y0 - a);
|
|
lcd_draw_point(x0 - a, y0 + b);
|
|
lcd_draw_point(x0 - b, y0 - a);
|
|
lcd_draw_point(x0 - a, y0 - b);
|
|
lcd_draw_point(x0 + b, y0 + a);
|
|
lcd_draw_point(x0 + a, y0 - b);
|
|
lcd_draw_point(x0 + a, y0 + b);
|
|
lcd_draw_point(x0 - b, y0 + a);
|
|
a++;
|
|
//Bresenham
|
|
if (di < 0)di += 4 * a + 6;
|
|
else
|
|
{
|
|
di += 10 + 4 * (a - b);
|
|
b--;
|
|
}
|
|
lcd_draw_point(x0 + a, y0 + b);
|
|
}
|
|
}
|
|
|
|
static void lcd_show_char(rt_uint16_t x, rt_uint16_t y, rt_uint8_t data, rt_uint32_t size)
|
|
{
|
|
rt_uint8_t temp;
|
|
rt_uint8_t num = 0;;
|
|
rt_uint8_t pos, t;
|
|
rt_uint32_t colortemp = FORE_COLOR;
|
|
rt_uint8_t *font_buf = RT_NULL;
|
|
|
|
if (x > LCD_WIDTH - size / 2 || y > LCD_HEIGHT - size)return;
|
|
|
|
data = data - ' ';
|
|
#ifdef ASC2_1608
|
|
if (size == 16)
|
|
{
|
|
lcd_address_set(x, y, x + size / 2 - 1, y + size - 1);//(x,y,x+8-1,y+16-1)
|
|
|
|
font_buf = (rt_uint8_t *)rt_malloc(size * size / 2 * 3);
|
|
if (!font_buf)
|
|
{
|
|
/* fast show char */
|
|
for (pos = 0; pos < size * (size / 2) / 8; pos++)
|
|
{
|
|
temp = asc2_1608[(rt_uint16_t)data * size * (size / 2) / 8 + pos];
|
|
for (t = 0; t < 8; t++)
|
|
{
|
|
if (temp & 0x80)colortemp = FORE_COLOR;
|
|
else colortemp = BACK_COLOR;
|
|
lcd_write_three_bytes(colortemp);
|
|
temp <<= 1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (pos = 0; pos < size * (size / 2) / 8; pos++)
|
|
{
|
|
temp = asc2_1608[(rt_uint16_t)data * size * (size / 2) / 8 + pos];
|
|
for (t = 0; t < 8; t++)
|
|
{
|
|
if (temp & 0x80)colortemp = FORE_COLOR;
|
|
else colortemp = BACK_COLOR;
|
|
font_buf[3 * (8 * pos + t)] = colortemp >> 16;
|
|
font_buf[3 * (8 * pos + t) + 1] = colortemp >> 8;
|
|
font_buf[3 * (8 * pos + t) + 2] = colortemp;
|
|
temp <<= 1;
|
|
}
|
|
}
|
|
rt_pin_write(LCD_DC_PIN, PIN_HIGH);
|
|
rt_spi_send(spi_dev_lcd, font_buf, size * size / 2 * 3);
|
|
rt_free(font_buf);
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
|
|
#ifdef ASC2_2412
|
|
if (size == 24)
|
|
{
|
|
lcd_address_set(x, y, x + size / 2 - 1, y + size - 1);
|
|
|
|
font_buf = (rt_uint8_t *)rt_malloc(size * size / 2 * 3);
|
|
if (!font_buf)
|
|
{
|
|
/* fast show char */
|
|
for (pos = 0; pos < (size * 16) / 8; pos++)
|
|
{
|
|
temp = asc2_2412[(rt_uint16_t)data * (size * 16) / 8 + pos];
|
|
if (pos % 2 == 0)
|
|
{
|
|
num = 8;
|
|
}
|
|
else
|
|
{
|
|
num = 4;
|
|
}
|
|
|
|
for (t = 0; t < num; t++)
|
|
{
|
|
if (temp & 0x80)colortemp = FORE_COLOR;
|
|
else colortemp = BACK_COLOR;
|
|
lcd_write_three_bytes(colortemp);
|
|
temp <<= 1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (pos = 0; pos < (size * 16) / 8; pos++)
|
|
{
|
|
temp = asc2_2412[(rt_uint16_t)data * (size * 16) / 8 + pos];
|
|
if (pos % 2 == 0)
|
|
{
|
|
num = 8;
|
|
}
|
|
else
|
|
{
|
|
num = 4;
|
|
}
|
|
|
|
for (t = 0; t < num; t++)
|
|
{
|
|
if (temp & 0x80)colortemp = FORE_COLOR;
|
|
else colortemp = BACK_COLOR;
|
|
if (num == 8)
|
|
{
|
|
font_buf[3 * (12 * (pos / 2) + t)] = colortemp >> 16;
|
|
font_buf[3 * (12 * (pos / 2) + t) + 1] = colortemp >> 8;
|
|
font_buf[3 * (12 * (pos / 2) + t) + 2] = colortemp;
|
|
}
|
|
else
|
|
{
|
|
font_buf[3 * (8 + 12 * (pos / 2) + t)] = colortemp >> 16;
|
|
font_buf[3 * (8 + 12 * (pos / 2) + t) + 1] = colortemp >> 8;
|
|
font_buf[3 * (8 + 12 * (pos / 2) + t) + 2] = colortemp;
|
|
}
|
|
temp <<= 1;
|
|
}
|
|
}
|
|
rt_pin_write(LCD_DC_PIN, PIN_HIGH);
|
|
rt_spi_send(spi_dev_lcd, font_buf, size * size / 2 * 3);
|
|
rt_free(font_buf);
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
|
|
#ifdef ASC2_3216
|
|
if (size == 32)
|
|
{
|
|
lcd_address_set(x, y, x + size / 2 - 1, y + size - 1);
|
|
|
|
font_buf = (rt_uint8_t *)rt_malloc(size * size / 2 * 3);
|
|
if (!font_buf)
|
|
{
|
|
/* fast show char */
|
|
for (pos = 0; pos < size * (size / 2) / 8; pos++)
|
|
{
|
|
temp = asc2_3216[(rt_uint16_t)data * size * (size / 2) / 8 + pos];
|
|
for (t = 0; t < 8; t++)
|
|
{
|
|
if (temp & 0x80)colortemp = FORE_COLOR;
|
|
else colortemp = BACK_COLOR;
|
|
lcd_write_three_bytes(colortemp);
|
|
temp <<= 1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (pos = 0; pos < size * (size / 2) / 8; pos++)
|
|
{
|
|
temp = asc2_3216[(rt_uint16_t)data * size * (size / 2) / 8 + pos];
|
|
for (t = 0; t < 8; t++)
|
|
{
|
|
if (temp & 0x80)colortemp = FORE_COLOR;
|
|
else colortemp = BACK_COLOR;
|
|
font_buf[3 * (8 * pos + t)] = colortemp >> 16;
|
|
font_buf[3 * (8 * pos + t) + 1] = colortemp >> 8;
|
|
font_buf[3 * (8 * pos + t) + 2] = colortemp;
|
|
temp <<= 1;
|
|
}
|
|
}
|
|
rt_pin_write(LCD_DC_PIN, PIN_HIGH);
|
|
rt_spi_send(spi_dev_lcd, font_buf, size * size / 2 * 3);
|
|
rt_free(font_buf);
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
LOG_E("There is no any define ASC2_1208 && ASC2_2412 && ASC2_2416 && ASC2_3216 !");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* display the number on the lcd.
|
|
*
|
|
* @param x x position
|
|
* @param y y position
|
|
* @param num number
|
|
* @param len length of number
|
|
* @param size size of font
|
|
*
|
|
* @return void
|
|
*/
|
|
void lcd_show_num(rt_uint16_t x, rt_uint16_t y, rt_uint32_t num, rt_uint8_t len, rt_uint32_t size)
|
|
{
|
|
lcd_show_string(x, y, size, "%d", num);
|
|
}
|
|
|
|
/**
|
|
* display the string on the lcd.
|
|
*
|
|
* @param x x position
|
|
* @param y y position
|
|
* @param size size of font
|
|
* @param p the string to be display
|
|
*
|
|
* @return 0: display success
|
|
* -1: size of font is not support
|
|
*/
|
|
rt_err_t lcd_show_string(rt_uint16_t x, rt_uint16_t y, rt_uint32_t size, const char *fmt, ...)
|
|
{
|
|
#define LCD_STRING_BUF_LEN 128
|
|
|
|
va_list args;
|
|
rt_uint8_t buf[LCD_STRING_BUF_LEN] = {0};
|
|
rt_uint8_t *p = RT_NULL;
|
|
|
|
if (size != 16 && size != 24 && size != 32)
|
|
{
|
|
LOG_E("font size(%d) is not support!", size);
|
|
return -RT_ERROR;
|
|
}
|
|
|
|
va_start(args, fmt);
|
|
rt_vsnprintf((char *)buf, 100, (const char *)fmt, args);
|
|
va_end(args);
|
|
|
|
p = buf;
|
|
while (*p != '\0')
|
|
{
|
|
if (x > LCD_WIDTH - size / 2)
|
|
{
|
|
x = 0;
|
|
y += size;
|
|
}
|
|
if (y > LCD_HEIGHT - size)
|
|
{
|
|
y = x = 0;
|
|
lcd_clear(RED);
|
|
}
|
|
lcd_show_char(x, y, *p, size);
|
|
x += size / 2;
|
|
p++;
|
|
}
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
/**
|
|
* display the image on the lcd.
|
|
*
|
|
* @param x x position
|
|
* @param y y position
|
|
* @param length length of image
|
|
* @param wide wide of image
|
|
* @param p image
|
|
*
|
|
* @return 0: display success
|
|
* -1: the image is too large
|
|
*/
|
|
rt_err_t lcd_show_image(rt_uint16_t x, rt_uint16_t y, rt_uint16_t length, rt_uint16_t wide, const rt_uint8_t *p)
|
|
{
|
|
RT_ASSERT(p);
|
|
|
|
if (x + length > LCD_WIDTH || y + wide > LCD_HEIGHT)
|
|
{
|
|
return -RT_ERROR;
|
|
}
|
|
|
|
lcd_address_set(x, y, x + length - 1, y + wide - 1);
|
|
|
|
rt_pin_write(LCD_DC_PIN, PIN_HIGH);
|
|
rt_spi_send(spi_dev_lcd, p, length * wide * 3);
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
struct drv_lcd_device
|
|
{
|
|
struct rt_device parent;
|
|
|
|
struct rt_device_graphic_info lcd_info;
|
|
|
|
struct rt_semaphore lcd_lock;
|
|
|
|
/* 0:front_buf is being used 1: back_buf is being used*/
|
|
rt_uint8_t cur_buf;
|
|
rt_uint8_t *front_buf;
|
|
rt_uint8_t *back_buf;
|
|
};
|
|
|
|
struct drv_lcd_device _lcd;
|
|
|
|
static rt_err_t drv_lcd_init(struct rt_device *device)
|
|
{
|
|
struct drv_lcd_device *lcd = LCD_DEVICE(device);
|
|
/* nothing, right now */
|
|
lcd = lcd;
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t drv_lcd_control(struct rt_device *device, int cmd, void *args)
|
|
{
|
|
struct drv_lcd_device *lcd = LCD_DEVICE(device);
|
|
struct rt_device_rect_info *rect_info = RT_NULL;
|
|
uint32_t data_start_addr = 0;
|
|
uint32_t i = 0;
|
|
|
|
switch (cmd)
|
|
{
|
|
case RTGRAPHIC_CTRL_RECT_UPDATE:
|
|
{
|
|
/* update */
|
|
rect_info = (struct rt_device_rect_info *)args;
|
|
if(rect_info != NULL)
|
|
{
|
|
data_start_addr = rect_info->y * LCD_BYTES_PER_PIXEL * LCD_WIDTH + rect_info->x * LCD_BYTES_PER_PIXEL;
|
|
for(i = 0; i < rect_info->height; i++)
|
|
{
|
|
memcpy(&_lcd.front_buf[i * LCD_BYTES_PER_PIXEL * rect_info->width], &_lcd.lcd_info.framebuffer[data_start_addr + i * LCD_BYTES_PER_PIXEL * LCD_WIDTH], rect_info->width * LCD_BYTES_PER_PIXEL);
|
|
}
|
|
lcd_show_image(rect_info->x, rect_info->y, rect_info->width, rect_info->height, _lcd.front_buf);
|
|
}
|
|
else
|
|
{
|
|
memcpy(_lcd.front_buf, _lcd.lcd_info.framebuffer, LCD_BUF_SIZE);
|
|
lcd_show_image(0, 0, LCD_WIDTH, LCD_HEIGHT, _lcd.front_buf);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case RTGRAPHIC_CTRL_GET_INFO:
|
|
{
|
|
struct rt_device_graphic_info *info = (struct rt_device_graphic_info *)args;
|
|
|
|
RT_ASSERT(info != RT_NULL);
|
|
info->pixel_format = lcd->lcd_info.pixel_format;
|
|
info->bits_per_pixel = lcd->lcd_info.bits_per_pixel;
|
|
info->width = lcd->lcd_info.width;
|
|
info->height = lcd->lcd_info.height;
|
|
info->framebuffer = lcd->lcd_info.framebuffer;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
#if defined(LCD_BACKLIGHT_USING_GPIO)
|
|
void turn_on_lcd_backlight(void)
|
|
{
|
|
rt_pin_mode(LCD_BL_PIN, PIN_MODE_OUTPUT);
|
|
rt_pin_write(LCD_BL_PIN, PIN_HIGH);
|
|
}
|
|
#else
|
|
void turn_on_lcd_backlight(void)
|
|
{
|
|
|
|
}
|
|
#endif
|
|
|
|
#ifdef RT_USING_DEVICE_OPS
|
|
const static struct rt_device_ops lcd_ops =
|
|
{
|
|
drv_lcd_init,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
drv_lcd_control
|
|
};
|
|
#endif
|
|
|
|
int drv_lcd_ili9488_hw_init(void)
|
|
{
|
|
rt_err_t result = RT_EOK;
|
|
struct rt_device *device = &_lcd.parent;
|
|
|
|
/* memset _lcd to zero */
|
|
memset(&_lcd, 0x00, sizeof(_lcd));
|
|
|
|
/* init lcd_lock semaphore */
|
|
result = rt_sem_init(&_lcd.lcd_lock, "lcd_lock", 0, RT_IPC_FLAG_FIFO);
|
|
if (result != RT_EOK)
|
|
{
|
|
LOG_E("init semaphore failed!\n");
|
|
result = -RT_ENOMEM;
|
|
goto __exit;
|
|
}
|
|
|
|
/* config LCD dev info */
|
|
_lcd.lcd_info.height = LCD_HEIGHT;
|
|
_lcd.lcd_info.width = LCD_WIDTH;
|
|
_lcd.lcd_info.bits_per_pixel = LCD_BITS_PER_PIXEL;
|
|
_lcd.lcd_info.pixel_format = LCD_PIXEL_FORMAT;
|
|
|
|
/* malloc memory for double Buffering */
|
|
_lcd.lcd_info.framebuffer = rt_malloc(LCD_BUF_SIZE);
|
|
_lcd.front_buf = rt_malloc(LCD_BUF_SIZE);
|
|
if (_lcd.lcd_info.framebuffer == RT_NULL || _lcd.front_buf == RT_NULL)
|
|
{
|
|
LOG_E("init frame buffer failed!\n");
|
|
result = -RT_ENOMEM;
|
|
goto __exit;
|
|
}
|
|
|
|
/* memset buff to 0xFF */
|
|
memset(_lcd.lcd_info.framebuffer, 0xFF, LCD_BUF_SIZE);
|
|
memset(_lcd.front_buf, 0xFF, LCD_BUF_SIZE);
|
|
|
|
device->type = RT_Device_Class_Graphic;
|
|
#ifdef RT_USING_DEVICE_OPS
|
|
device->ops = &lcd_ops;
|
|
#else
|
|
device->init = drv_lcd_init;
|
|
device->control = drv_lcd_control;
|
|
#endif
|
|
|
|
/* register lcd device */
|
|
rt_device_register(device, "lcd", RT_DEVICE_FLAG_RDWR);
|
|
|
|
/* init spi lcd */
|
|
if (rt_hw_spi_lcd_init() != RT_EOK)
|
|
{
|
|
result = -RT_ERROR;
|
|
goto __exit;
|
|
}
|
|
else
|
|
{
|
|
turn_on_lcd_backlight();
|
|
}
|
|
|
|
#if defined(PKG_USING_GUIENGINE)
|
|
rtgui_graphic_set_device(device);
|
|
#endif
|
|
|
|
__exit:
|
|
if (result != RT_EOK)
|
|
{
|
|
rt_sem_detach(&_lcd.lcd_lock);
|
|
|
|
if (_lcd.lcd_info.framebuffer)
|
|
{
|
|
rt_free(_lcd.lcd_info.framebuffer);
|
|
}
|
|
|
|
if (_lcd.back_buf)
|
|
{
|
|
rt_free(_lcd.back_buf);
|
|
}
|
|
|
|
if (_lcd.front_buf)
|
|
{
|
|
rt_free(_lcd.front_buf);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
INIT_COMPONENT_EXPORT(drv_lcd_ili9488_hw_init);
|
|
|
|
#ifdef DRV_DEBUG
|
|
#ifdef FINSH_USING_MSH
|
|
int ili9488_test()
|
|
{
|
|
struct drv_lcd_device *lcd;
|
|
lcd = (struct drv_lcd_device *)rt_device_find("lcd");
|
|
struct rt_device_rect_info rect_info = {0, 0, LCD_WIDTH, LCD_HEIGHT};
|
|
uint32_t i = 0;
|
|
|
|
lcd_clear(WHITE);
|
|
|
|
lcd_show_image(0, 0, 240, 69, image_rttlogo);
|
|
|
|
lcd_set_color(WHITE, BLACK);
|
|
|
|
lcd_show_string(10, 69, 16, "Hello, RT-Thread!");
|
|
lcd_show_string(10, 69+16, 24, "RT-Thread");
|
|
lcd_show_string(10, 69+16+24, 32, "RT-Thread");
|
|
|
|
lcd_draw_line(0, 69+16+24+32, LCD_H, 69+16+24+32);
|
|
|
|
lcd_draw_point(160, 310);
|
|
for (int i = 0; i < 150; i += 4)
|
|
{
|
|
lcd_draw_circle(160, 310, i);
|
|
}
|
|
|
|
rt_thread_mdelay(2000);
|
|
|
|
while (1)
|
|
{
|
|
i += 10;
|
|
if(i >= 120)
|
|
{
|
|
i = 0;
|
|
}
|
|
|
|
rect_info.x = i;
|
|
rect_info.y = i;
|
|
rect_info.width =LCD_WIDTH - 2 * i;
|
|
rect_info.height =LCD_HEIGHT - 2 * i;
|
|
|
|
/* red */
|
|
for (int i = 0; i < LCD_BUF_SIZE / 3; i++)
|
|
{
|
|
lcd->lcd_info.framebuffer[3 * i] = 0xFF;
|
|
lcd->lcd_info.framebuffer[3 * i + 1] = 0x00;
|
|
lcd->lcd_info.framebuffer[3 * i + 2] = 0x00;
|
|
}
|
|
lcd->parent.control(&lcd->parent, RTGRAPHIC_CTRL_RECT_UPDATE, &rect_info);
|
|
rt_thread_mdelay(1000);
|
|
/* green */
|
|
for (int i = 0; i < LCD_BUF_SIZE / 3; i++)
|
|
{
|
|
lcd->lcd_info.framebuffer[3 * i] = 0x00;
|
|
lcd->lcd_info.framebuffer[3 * i + 1] = 0xFF;
|
|
lcd->lcd_info.framebuffer[3 * i + 2] = 0x00;
|
|
}
|
|
lcd->parent.control(&lcd->parent, RTGRAPHIC_CTRL_RECT_UPDATE, &rect_info);
|
|
rt_thread_mdelay(1000);
|
|
/* blue */
|
|
for (int i = 0; i < LCD_BUF_SIZE / 3; i++)
|
|
{
|
|
lcd->lcd_info.framebuffer[3 * i] = 0x00;
|
|
lcd->lcd_info.framebuffer[3 * i + 1] = 0x00;
|
|
lcd->lcd_info.framebuffer[3 * i + 2] = 0xFF;
|
|
}
|
|
lcd->parent.control(&lcd->parent, RTGRAPHIC_CTRL_RECT_UPDATE, &rect_info);
|
|
rt_thread_mdelay(1000);
|
|
}
|
|
}
|
|
MSH_CMD_EXPORT(ili9488_test, test ili9488 driver);
|
|
#endif /* FINSH_USING_MSH */
|
|
#endif /* DRV_DEBUG */
|
|
#endif /* BSP_USING_SPI_LCD_ILI9488 */
|